● Analyzing the Nonlinear System by Designing an Optimum Digital Filter named Hermitian-Wiener Filter
https://ojs.bilpublishing.com/index.php/jcsr/article/view/2135
● Image Segmentation Based on Intuitionistic Type-2 FCM Algorithm
https://ojs.bilpublishing.com/index.php/jcsr/article/view/2118
● Research on the Computer Software Testing Method Based on Multiple Platforms
https://ojs.bilpublishing.com/index.php/jcsr/article/view/2115
● Spatial Management of Distributed Social Systems
https://ojs.bilpublishing.com/index.php/jcsr/article/view/2077
● Vector Control of Three-Phase Solar Farm Converters Based on Fictive-Axis Emulation
https://ojs.bilpublishing.com/index.php/jcsr/article/view/2117
Measurement for Phase Difference Rate without Phase Ambiguity
Development of IoT Based Mobile Robot for Automated Guided Vehicle Application
A Novel Image Encryption Scheme Based on Reversible Cellular Automata
Computation Offloading and Scheduling in Edge-Fog Cloud Computing
A Foreword from the Editor-in-Chief
Delta-Screening: A Fast and Efficient Technique to Update Communities in Dyna...Subhajit Sahu
Highlighted notes during research with Prof. Dip Sankar Banerjee, Prof. Kishore Kothapalli:
Delta-Screening: A Fast and Efficient Technique to Update Communities in Dynamic Graphs.
https://ieeexplore.ieee.org/document/9384277
There are 3 types of community detection methods:
Divisive, Agglomerative, and Multi-level (usually better).
In this paper, heuristics for skipping out most likely unaffected vertices for a modularity-based community detection method like Louvain and SLM (Smart Local Moving) is given. All edge batches are undirected, and sorted by source vertex id. For edge additions, source vertex i, highest modularity changing edge vertex j*, i's neighbors, and j*'s community are marked as affected. For edge deletions, where i and j must be in the same community, i, j, i's neighbors, and i's community are marked as affected. Performance is compared with static, dynamic baseline (incremental), and this method (both Louvain and SLM). Comparison is also done with "DynaMo" and "Batch" community detection methods.
● Application of LSTM and CONV1D LSTM Network in Stock Forecasting Model
● Development of a Novel Media-independent Communication Theology for Accessing Local & Web-based Data: Case Study with Robotic Subsystems
● Defect Detection in CK45 Steel Structures through C-scan Images Using Deep Learning Method
● Ransomware Attack: Rescue-checklist Cyber Security Awareness Program
● Machine Learning Meets the Semantic Web
● Fuzzy Logic Based Perceptual Image Hashing Algorithm in Malaysian Banknotes Detection System for the Visually Impaired
Intelligent robust control of redun-dant smart robotic arm Pt II: Quantum computing KB optimizer
Intelligent control of mobile robot with redundant manipulator & stereovision: quantum / soft computing toolkit
Robotic Smart Prosthesis Arm with BCI and Kansei / Kawaii / Affective Engineering Approach. Pt I: Quantum Soft Computing Supremacy
Research and Analysis of Machine Learning Algorithm in Artificial Intelligence
With the surge in modern research focus towards Pervasive Computing, lot of techniques and challenges
needs to be addressed so as to effectively create smart spaces and achieve miniaturization. In the process of
scaling down to compact devices, the real things to ponder upon are the Information Retrieval challenges.
In this work, we discuss the aspects of multimedia which makes information access challenging. An
Example Pattern Recognition scenario is presented and the mathematical techniques that can be used to
model uncertainty are also presented for developing a system that can sense, compute and communicate in
a way that can make human life easy with smart objects assisting from around his surroundings.
TOWARD ORGANIC COMPUTING APPROACH FOR CYBERNETIC RESPONSIVE ENVIRONMENTijasa
The developpment of the Internet of Things (IoT) concept revives Responsive Environments (RE) technologies. Nowadays, the idea of a permanent connection between physical and digital world is technologically possible. The capillar Internet relates to the Internet extension into daily appliances such as they become actors of Internet like any hu-man. The parallel development of Machine-to-Machine
communications and Arti cial Intelligence (AI) technics start a new area of cybernetic. This paper presents an approach for Cybernetic Organism (Cyborg) for RE based on Organic Computing (OC). In such approach, each appli-ance is a part of an autonomic system in order to control a physical environment.The underlying idea is that such systems must have self-x properties in order to adapt their behavior to
external disturbances with a high-degree of autonomy.
Measurement for Phase Difference Rate without Phase Ambiguity
Development of IoT Based Mobile Robot for Automated Guided Vehicle Application
A Novel Image Encryption Scheme Based on Reversible Cellular Automata
Computation Offloading and Scheduling in Edge-Fog Cloud Computing
A Foreword from the Editor-in-Chief
Delta-Screening: A Fast and Efficient Technique to Update Communities in Dyna...Subhajit Sahu
Highlighted notes during research with Prof. Dip Sankar Banerjee, Prof. Kishore Kothapalli:
Delta-Screening: A Fast and Efficient Technique to Update Communities in Dynamic Graphs.
https://ieeexplore.ieee.org/document/9384277
There are 3 types of community detection methods:
Divisive, Agglomerative, and Multi-level (usually better).
In this paper, heuristics for skipping out most likely unaffected vertices for a modularity-based community detection method like Louvain and SLM (Smart Local Moving) is given. All edge batches are undirected, and sorted by source vertex id. For edge additions, source vertex i, highest modularity changing edge vertex j*, i's neighbors, and j*'s community are marked as affected. For edge deletions, where i and j must be in the same community, i, j, i's neighbors, and i's community are marked as affected. Performance is compared with static, dynamic baseline (incremental), and this method (both Louvain and SLM). Comparison is also done with "DynaMo" and "Batch" community detection methods.
● Application of LSTM and CONV1D LSTM Network in Stock Forecasting Model
● Development of a Novel Media-independent Communication Theology for Accessing Local & Web-based Data: Case Study with Robotic Subsystems
● Defect Detection in CK45 Steel Structures through C-scan Images Using Deep Learning Method
● Ransomware Attack: Rescue-checklist Cyber Security Awareness Program
● Machine Learning Meets the Semantic Web
● Fuzzy Logic Based Perceptual Image Hashing Algorithm in Malaysian Banknotes Detection System for the Visually Impaired
Intelligent robust control of redun-dant smart robotic arm Pt II: Quantum computing KB optimizer
Intelligent control of mobile robot with redundant manipulator & stereovision: quantum / soft computing toolkit
Robotic Smart Prosthesis Arm with BCI and Kansei / Kawaii / Affective Engineering Approach. Pt I: Quantum Soft Computing Supremacy
Research and Analysis of Machine Learning Algorithm in Artificial Intelligence
With the surge in modern research focus towards Pervasive Computing, lot of techniques and challenges
needs to be addressed so as to effectively create smart spaces and achieve miniaturization. In the process of
scaling down to compact devices, the real things to ponder upon are the Information Retrieval challenges.
In this work, we discuss the aspects of multimedia which makes information access challenging. An
Example Pattern Recognition scenario is presented and the mathematical techniques that can be used to
model uncertainty are also presented for developing a system that can sense, compute and communicate in
a way that can make human life easy with smart objects assisting from around his surroundings.
TOWARD ORGANIC COMPUTING APPROACH FOR CYBERNETIC RESPONSIVE ENVIRONMENTijasa
The developpment of the Internet of Things (IoT) concept revives Responsive Environments (RE) technologies. Nowadays, the idea of a permanent connection between physical and digital world is technologically possible. The capillar Internet relates to the Internet extension into daily appliances such as they become actors of Internet like any hu-man. The parallel development of Machine-to-Machine
communications and Arti cial Intelligence (AI) technics start a new area of cybernetic. This paper presents an approach for Cybernetic Organism (Cyborg) for RE based on Organic Computing (OC). In such approach, each appli-ance is a part of an autonomic system in order to control a physical environment.The underlying idea is that such systems must have self-x properties in order to adapt their behavior to
external disturbances with a high-degree of autonomy.
Incremental Community Mining in Location-based Social NetworkIJAEMSJORNAL
A social network can be defined as a set of social entities connected by a set of social relations. These relations often change and differ in time. Thus, the fundamental structure of these networks is dynamic and increasingly developing. Investigating how the structure of these networks evolves over the observation time affords visions into their evolution structure, elements that initiate the changes, and finally foresee the future structure of these networks. One of the most relevant properties of networks is their community structure – set of vertices highly connected between each other and loosely connected with the rest of the network. Subsequently networks are dynamic, their underlying community structure changes over time as well, i.e they have social entities that appear and disappear which make their communities shrinking and growing over time. The goal of this paper is to study community detection in dynamic social network in the context of location-based social network. In this respect, we extend the static Louvain method to incrementally detect communities in a dynamic scenario following the direct method and considering both overlapping and non-overlapping setting. Finally, extensive experiments on real datasets and comparison with two previous methods demonstrate the effectiveness and potential of our suggested method.
Proactive Intelligent Home System Using Contextual Information and Neural Net...IJERA Editor
Nowadays, cities around the world intend to use information technology to improve the lives of their citizens.
Future smart cities will incorporate digital data and technology to interact differently with their human
inhabitants.
Among the key component of a smart city, we find the smart home component. It is an autonomic environment
that can provide various smart services by considering the user’s context information. Several methods are used
in context-aware system to provide such services. In this paper, we propose an approach to offer the most
relevant services to the user according to any significant change of his context environment. The proposed
approach is based on the use of context history information together with user profiling and machine learning
techniques. Experimentations show that the proposed solution can efficiently provide the most useful services to
the user in an intelligent home environment.
DYNAMIC AND REALTIME MODELLING OF UBIQUITOUS INTERACTIONcscpconf
Ubiquitous systems require user to be dynamically and realtime informed in order to make his current activity increasingly easy. First, this paper presents and discusses a method to model the realtime interaction of the user with a ubiquitous system based on Petri-nets modelling technology. The goal deals with investigating dynamically the appropriate form of interaction depending on the context of the user. Thus, the interaction model structure should be dynamically improved with respect to the current and particular activity or goal of the user to better cope with his runtime requirements. This mechanism has been characterized as “models mutation”. Secondly, this paper proves the dynamic construction of models while basing on the dynamic composition of services. The ultimate purpose is to take advantage of the ontology of service written in OWL-S in order to describe the dynamic aspect of Petri-nets based models, especially, the realtime and automatic composition of such models. Simulation work has been conducted to validate the proposed approach.
Running head Multi-actor modelling system 1Multi-actor mod.docxtodd581
Running head: Multi-actor modelling system 1
Multi-actor modelling system3
Multi-actor modelling system
Yogesh Dagwale
University of the Cumberland’s
Ligtenberg, A., Wachowicz, M., Bregt, A. K., Beulens, A., & Kettenis, D. L. (2004). A design and application of a multi-agent system for simulation of multi-actor spatial planning. Journal of environmental management, 72(1-2), 43-55.
They talk about the potential and restrictions of the MAS to manufacture models that empower spatial organizers to incorporate the 'actor factor' in their examination. Their structure system contemplates actors who assume a functioning job in the spatial planning. They included actors who can watch and see a spatial domain. Using these perceptions and discernment they produce an inclination for a preferred spatial situation. Actors at that point present and discuss their inclinations amid their exchanges with different actors.
The inclinations of the actor fill in as inputs for an official choice making. Finally, ultimate conclusions are actualized in the spatial framework. They found that MAS can produce space utilization designs in light of a portrayal of a multi-actor planning process. It additionally can clear up the impacts of actors under the administration of various planning styles on the space utilization and prove how the relations between actors change amid a planning process and under different orders of coming up with decisions. Unlike the work by Parker, Manson, Janssen, Hoffman & Deadman,2003, cited below, this paper did not include the various challenges associated with the use of MAS.
Parker, D. C., Manson, S. M., Janssen, M. A., Hoffmann, M. J., & Deadman, P. (2003). Multi-agent systems for the simulation of land-use and land-cover change: a review. Annals of the association of American Geographers, 93(2), 314-337.
In this paper, they studied different models. These models, however, were not thorough enough and therefore they took into account the multi-actor system, dynamic spatial Simulation, which has two components, that is, a cellular model that speaks to biogeophysical and biological parts of a demonstrated framework and an actor-based model to speak to human conclusion making. Because of its nature and ability to model complex situations, they highlighted some of the areas that MAS can be applied where other models cannot be able to deliver. Such areas are modeling of emergent phenomena whereby MAS can model landscape plans, due to its flexibility, MAS can represent complex land use/ cover systems, and they can be used to model dynamic paths. They also outlined the various challenges to Multi-actor systems. Such challenges include an understanding of complexity, individual decision making, empirical parameterization and model validation, and communication.
Faber, N. R., & Jorna, R. J. (2011, June). The use of multi-actor systems for studying social sustainability: Theoretical backgrounds and pseudo-specifications. In Com.
Running head Multi-actor modelling system 1Multi-actor mod.docxglendar3
Running head: Multi-actor modelling system 1
Multi-actor modelling system3
Multi-actor modelling system
Yogesh Dagwale
University of the Cumberland’s
Ligtenberg, A., Wachowicz, M., Bregt, A. K., Beulens, A., & Kettenis, D. L. (2004). A design and application of a multi-agent system for simulation of multi-actor spatial planning. Journal of environmental management, 72(1-2), 43-55.
They talk about the potential and restrictions of the MAS to manufacture models that empower spatial organizers to incorporate the 'actor factor' in their examination. Their structure system contemplates actors who assume a functioning job in the spatial planning. They included actors who can watch and see a spatial domain. Using these perceptions and discernment they produce an inclination for a preferred spatial situation. Actors at that point present and discuss their inclinations amid their exchanges with different actors.
The inclinations of the actor fill in as inputs for an official choice making. Finally, ultimate conclusions are actualized in the spatial framework. They found that MAS can produce space utilization designs in light of a portrayal of a multi-actor planning process. It additionally can clear up the impacts of actors under the administration of various planning styles on the space utilization and prove how the relations between actors change amid a planning process and under different orders of coming up with decisions. Unlike the work by Parker, Manson, Janssen, Hoffman & Deadman,2003, cited below, this paper did not include the various challenges associated with the use of MAS.
Parker, D. C., Manson, S. M., Janssen, M. A., Hoffmann, M. J., & Deadman, P. (2003). Multi-agent systems for the simulation of land-use and land-cover change: a review. Annals of the association of American Geographers, 93(2), 314-337.
In this paper, they studied different models. These models, however, were not thorough enough and therefore they took into account the multi-actor system, dynamic spatial Simulation, which has two components, that is, a cellular model that speaks to biogeophysical and biological parts of a demonstrated framework and an actor-based model to speak to human conclusion making. Because of its nature and ability to model complex situations, they highlighted some of the areas that MAS can be applied where other models cannot be able to deliver. Such areas are modeling of emergent phenomena whereby MAS can model landscape plans, due to its flexibility, MAS can represent complex land use/ cover systems, and they can be used to model dynamic paths. They also outlined the various challenges to Multi-actor systems. Such challenges include an understanding of complexity, individual decision making, empirical parameterization and model validation, and communication.
Faber, N. R., & Jorna, R. J. (2011, June). The use of multi-actor systems for studying social sustainability: Theoretical backgrounds and pseudo-specifications. In Com.
An ontology for semantic modelling of virtual worldijaia
This article presents a new representation of semantic virtual environments. We propose to use the ontology as a tool for implementation. Our model, called SVHsIEVs1 provides a consistent representation of the following aspects: the simulated environment, its structure, and the knowledge items using ontology, interactions and tasks that virtual humans can perform in the environment. In SVHsIEVs, we find two type of ontology: the global ontology and the local ontology for Virtual Human. Our architecture has been successfully tested in 3D dynamic environments.
Assessment of the main features of the model of dissemination of information ...IJECEIAES
Social networks provide a fairly wide range of data that allows one way or another to evaluate the effect of the dissemination of information. This article presents the results of a study that describes methods for determining the key parameters of the model needed to analyze and predict the dissemination of information in social networks. An approach based on the analysis of statistical data on user behavior in social networks is proposed. The process of evaluating the main features of the model is described, including the mathematical methods used for data analysis and information dissemination modeling. The study aims to understand the processes of information dissemination in social networks and develop recommendations for the effective use of social networks as a communication and brand promotion tool, as well as to consider the analytical properties of the classical susceptible-infected-removed (SIR) model and evaluate its applicability to the problem of information dissemination. The results of the study can be used to create algorithms and techniques that will effectively manage the process of information dissemination in social networks.
Multi-objective NSGA-II based community detection using dynamical evolution s...IJECEIAES
Community detection is becoming a highly demanded topic in social networking-based applications. It involves finding the maximum intraconnected and minimum inter-connected sub-graphs in given social networks. Many approaches have been developed for community’s detection and less of them have focused on the dynamical aspect of the social network. The decision of the community has to consider the pattern of changes in the social network and to be smooth enough. This is to enable smooth operation for other community detection dependent application. Unlike dynamical community detection Algorithms, this article presents a non-dominated aware searching Algorithm designated as non-dominated sorting based community detection with dynamical awareness (NDS-CD-DA). The Algorithm uses a non-dominated sorting genetic algorithm NSGA-II with two objectives: modularity and normalized mutual information (NMI). Experimental results on synthetic networks and real-world social network datasets have been compared with classical genetic with a single objective and has been shown to provide superiority in terms of the domination as well as the convergence. NDS-CD-DA has accomplished a domination percentage of 100% over dynamic evolutionary community searching DECS for almost all iterations.
Develop a mobility model for MANETs networks based on fuzzy Logiciosrjce
The study and research in the field of networks MANETs depends alleged understand the protocols
well of the simulation process before they are applied in the real world, so that we create an environment
similar to these networks. The problem of a set of nodes connected with each other wirelessly, this requires the
development of a comprehensive model and full and real emulator for the movement of the contract on behalf of
stochastic models. Many models came to address the problems of random models that restricted the movement
of decade barriers as well as the signals exchanged between them, but these models were not receiving a lot of
light on the movement of the contract, such as direction, speed and path that is going by the node. The main
goal is to get a comprehensive model and simulator for all parts of the environment of the barriers and
obstacles to the movement of the nodes and the mobile signal between them as well as to focus on the movement
transactions for the node of the direction, speed, and best way. . This research aims to provide a realistic
mobility model for MANET networks. It also addresses the problem of imprecision in social relationships and
the location where we apply Fuzzy logic.
A HUMAN-CENTRIC APPROACH TO GROUP-BASED CONTEXT-AWARENESSIJNSA Journal
The emerging need for qualitative approaches in context-aware information processing calls for proper modelling of context information and efficient handling of its inherent uncertainty resulted from human interpretation and usage. Many of the current approaches to context-awareness either lack a solid theoretical basis for modelling or ignore important requirements such as modularity, high-order uncertainty management and group-based context-awareness. Therefore, their real-world application and extendibility remains limited. In this paper, we present f-Context as a service-based contextawareness framework, based on language-action perspective (LAP) theory for modelling. Then we identify some of the complex, informational parts of context which contain high-order uncertainties due to differences between members of the group in defining them. An agent-based perceptual computer architecture is proposed for implementing f-Context that uses computing with words (CWW) for handling uncertainty. The feasibility of f-Context is analyzed using a realistic scenario involving a group of mobile users. We believe that the proposed approach can open the door to future research on context-awareness by offering a theoretical foundation based on human communication, and a service-based layered architecture which exploits CWW for context-aware, group-based and platform-independent access to information systems.
LEARNING OF ROBOT NAVIGATION TASKS BY PROBABILISTIC NEURAL NETWORKcscpconf
This paper reports results of artificial neural network for robot navigation tasks. Machine learning methods have proven usability in many complex problems concerning mobile robots
control. In particular we deal with the well-known strategy of navigating by “wall-following”. In this study, probabilistic neural network (PNN) structure was used for robot navigation tasks.
The PNN result was compared with the results of the Logistic Perceptron, Multilayer Perceptron, Mixture of Experts and Elman neural networks and the results of the previous
studies reported focusing on robot navigation tasks and using same dataset. It was observed the PNN is the best classification accuracy with 99,635% accuracy using same dataset.
This paper reports results of artificial neural network for robot navigation tasks. Machine
learning methods have proven usability in many complex problems concerning mobile robots
control. In particular we deal with the well-known strategy of navigating by “wall-following”.
In this study, probabilistic neural network (PNN) structure was used for robot navigation tasks.
The PNN result was compared with the results of the Logistic Perceptron, Multilayer
Perceptron, Mixture of Experts and Elman neural networks and the results of the previous
studies reported focusing on robot navigation tasks and using same dataset. It was observed the
PNN is the best classification accuracy with 99,635% accuracy using same dataset.
LEARNING OF ROBOT NAVIGATION TASKS BY PROBABILISTIC NEURAL NETWORKcsandit
This paper reports results of artificial neural network for robot navigation tasks. Machine
learning methods have proven usability in many complex problems concerning mobile robots
control. In particular we deal with the well-known strategy of navigating by “wall-following”.
In this study, probabilistic neural network (PNN) structure was used for robot navigation tasks.
The PNN result was compared with the results of the Logistic Perceptron, Multilayer
Perceptron, Mixture of Experts and Elman neural networks and the results of the previous
studies reported focusing on robot navigation tasks and using same dataset. It was observed the
PNN is the best classification accuracy with 99,635% accuracy using same dataset.
Stressed Coral Reef Identification Using Deep Learning CNN Techniques
The Application of Information Systems to Improve Ambulance Response Times in the UK
Practical Considerations for Implementing Adaptive Acoustic Noise Cancellation in Commercial Earbuds
Development of Technology and Equipment for Non-destructive Testing of Defects in Sewing Mandrels of a Three-roll Screw Mill 30-80
Control and Treatment of Bone Cancer: A Novel Theoretical Study
Enhancing Semantic Segmentation through Reinforced Active Learning: Combating Dataset Imbalances and Bolstering Annotation Efficiency
Snowfall Shift and Precipitation Variability over Sikkim Himalaya Attributed to Elevation-Dependent Warming
Spatial and Temporal Variation of Particulate Matter (PM10 and PM2.5) and Its Health Effects during the Haze Event in Malaysia
Problems and opportunities for biometeorological assessment of conditions cold season
Case Study of Coastal Fog Events in Senegal Using LIDAR Ceilometer
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A social network can be defined as a set of social entities connected by a set of social relations. These relations often change and differ in time. Thus, the fundamental structure of these networks is dynamic and increasingly developing. Investigating how the structure of these networks evolves over the observation time affords visions into their evolution structure, elements that initiate the changes, and finally foresee the future structure of these networks. One of the most relevant properties of networks is their community structure – set of vertices highly connected between each other and loosely connected with the rest of the network. Subsequently networks are dynamic, their underlying community structure changes over time as well, i.e they have social entities that appear and disappear which make their communities shrinking and growing over time. The goal of this paper is to study community detection in dynamic social network in the context of location-based social network. In this respect, we extend the static Louvain method to incrementally detect communities in a dynamic scenario following the direct method and considering both overlapping and non-overlapping setting. Finally, extensive experiments on real datasets and comparison with two previous methods demonstrate the effectiveness and potential of our suggested method.
Proactive Intelligent Home System Using Contextual Information and Neural Net...IJERA Editor
Nowadays, cities around the world intend to use information technology to improve the lives of their citizens.
Future smart cities will incorporate digital data and technology to interact differently with their human
inhabitants.
Among the key component of a smart city, we find the smart home component. It is an autonomic environment
that can provide various smart services by considering the user’s context information. Several methods are used
in context-aware system to provide such services. In this paper, we propose an approach to offer the most
relevant services to the user according to any significant change of his context environment. The proposed
approach is based on the use of context history information together with user profiling and machine learning
techniques. Experimentations show that the proposed solution can efficiently provide the most useful services to
the user in an intelligent home environment.
DYNAMIC AND REALTIME MODELLING OF UBIQUITOUS INTERACTIONcscpconf
Ubiquitous systems require user to be dynamically and realtime informed in order to make his current activity increasingly easy. First, this paper presents and discusses a method to model the realtime interaction of the user with a ubiquitous system based on Petri-nets modelling technology. The goal deals with investigating dynamically the appropriate form of interaction depending on the context of the user. Thus, the interaction model structure should be dynamically improved with respect to the current and particular activity or goal of the user to better cope with his runtime requirements. This mechanism has been characterized as “models mutation”. Secondly, this paper proves the dynamic construction of models while basing on the dynamic composition of services. The ultimate purpose is to take advantage of the ontology of service written in OWL-S in order to describe the dynamic aspect of Petri-nets based models, especially, the realtime and automatic composition of such models. Simulation work has been conducted to validate the proposed approach.
Running head Multi-actor modelling system 1Multi-actor mod.docxtodd581
Running head: Multi-actor modelling system 1
Multi-actor modelling system3
Multi-actor modelling system
Yogesh Dagwale
University of the Cumberland’s
Ligtenberg, A., Wachowicz, M., Bregt, A. K., Beulens, A., & Kettenis, D. L. (2004). A design and application of a multi-agent system for simulation of multi-actor spatial planning. Journal of environmental management, 72(1-2), 43-55.
They talk about the potential and restrictions of the MAS to manufacture models that empower spatial organizers to incorporate the 'actor factor' in their examination. Their structure system contemplates actors who assume a functioning job in the spatial planning. They included actors who can watch and see a spatial domain. Using these perceptions and discernment they produce an inclination for a preferred spatial situation. Actors at that point present and discuss their inclinations amid their exchanges with different actors.
The inclinations of the actor fill in as inputs for an official choice making. Finally, ultimate conclusions are actualized in the spatial framework. They found that MAS can produce space utilization designs in light of a portrayal of a multi-actor planning process. It additionally can clear up the impacts of actors under the administration of various planning styles on the space utilization and prove how the relations between actors change amid a planning process and under different orders of coming up with decisions. Unlike the work by Parker, Manson, Janssen, Hoffman & Deadman,2003, cited below, this paper did not include the various challenges associated with the use of MAS.
Parker, D. C., Manson, S. M., Janssen, M. A., Hoffmann, M. J., & Deadman, P. (2003). Multi-agent systems for the simulation of land-use and land-cover change: a review. Annals of the association of American Geographers, 93(2), 314-337.
In this paper, they studied different models. These models, however, were not thorough enough and therefore they took into account the multi-actor system, dynamic spatial Simulation, which has two components, that is, a cellular model that speaks to biogeophysical and biological parts of a demonstrated framework and an actor-based model to speak to human conclusion making. Because of its nature and ability to model complex situations, they highlighted some of the areas that MAS can be applied where other models cannot be able to deliver. Such areas are modeling of emergent phenomena whereby MAS can model landscape plans, due to its flexibility, MAS can represent complex land use/ cover systems, and they can be used to model dynamic paths. They also outlined the various challenges to Multi-actor systems. Such challenges include an understanding of complexity, individual decision making, empirical parameterization and model validation, and communication.
Faber, N. R., & Jorna, R. J. (2011, June). The use of multi-actor systems for studying social sustainability: Theoretical backgrounds and pseudo-specifications. In Com.
Running head Multi-actor modelling system 1Multi-actor mod.docxglendar3
Running head: Multi-actor modelling system 1
Multi-actor modelling system3
Multi-actor modelling system
Yogesh Dagwale
University of the Cumberland’s
Ligtenberg, A., Wachowicz, M., Bregt, A. K., Beulens, A., & Kettenis, D. L. (2004). A design and application of a multi-agent system for simulation of multi-actor spatial planning. Journal of environmental management, 72(1-2), 43-55.
They talk about the potential and restrictions of the MAS to manufacture models that empower spatial organizers to incorporate the 'actor factor' in their examination. Their structure system contemplates actors who assume a functioning job in the spatial planning. They included actors who can watch and see a spatial domain. Using these perceptions and discernment they produce an inclination for a preferred spatial situation. Actors at that point present and discuss their inclinations amid their exchanges with different actors.
The inclinations of the actor fill in as inputs for an official choice making. Finally, ultimate conclusions are actualized in the spatial framework. They found that MAS can produce space utilization designs in light of a portrayal of a multi-actor planning process. It additionally can clear up the impacts of actors under the administration of various planning styles on the space utilization and prove how the relations between actors change amid a planning process and under different orders of coming up with decisions. Unlike the work by Parker, Manson, Janssen, Hoffman & Deadman,2003, cited below, this paper did not include the various challenges associated with the use of MAS.
Parker, D. C., Manson, S. M., Janssen, M. A., Hoffmann, M. J., & Deadman, P. (2003). Multi-agent systems for the simulation of land-use and land-cover change: a review. Annals of the association of American Geographers, 93(2), 314-337.
In this paper, they studied different models. These models, however, were not thorough enough and therefore they took into account the multi-actor system, dynamic spatial Simulation, which has two components, that is, a cellular model that speaks to biogeophysical and biological parts of a demonstrated framework and an actor-based model to speak to human conclusion making. Because of its nature and ability to model complex situations, they highlighted some of the areas that MAS can be applied where other models cannot be able to deliver. Such areas are modeling of emergent phenomena whereby MAS can model landscape plans, due to its flexibility, MAS can represent complex land use/ cover systems, and they can be used to model dynamic paths. They also outlined the various challenges to Multi-actor systems. Such challenges include an understanding of complexity, individual decision making, empirical parameterization and model validation, and communication.
Faber, N. R., & Jorna, R. J. (2011, June). The use of multi-actor systems for studying social sustainability: Theoretical backgrounds and pseudo-specifications. In Com.
An ontology for semantic modelling of virtual worldijaia
This article presents a new representation of semantic virtual environments. We propose to use the ontology as a tool for implementation. Our model, called SVHsIEVs1 provides a consistent representation of the following aspects: the simulated environment, its structure, and the knowledge items using ontology, interactions and tasks that virtual humans can perform in the environment. In SVHsIEVs, we find two type of ontology: the global ontology and the local ontology for Virtual Human. Our architecture has been successfully tested in 3D dynamic environments.
Assessment of the main features of the model of dissemination of information ...IJECEIAES
Social networks provide a fairly wide range of data that allows one way or another to evaluate the effect of the dissemination of information. This article presents the results of a study that describes methods for determining the key parameters of the model needed to analyze and predict the dissemination of information in social networks. An approach based on the analysis of statistical data on user behavior in social networks is proposed. The process of evaluating the main features of the model is described, including the mathematical methods used for data analysis and information dissemination modeling. The study aims to understand the processes of information dissemination in social networks and develop recommendations for the effective use of social networks as a communication and brand promotion tool, as well as to consider the analytical properties of the classical susceptible-infected-removed (SIR) model and evaluate its applicability to the problem of information dissemination. The results of the study can be used to create algorithms and techniques that will effectively manage the process of information dissemination in social networks.
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Develop a mobility model for MANETs networks based on fuzzy Logiciosrjce
The study and research in the field of networks MANETs depends alleged understand the protocols
well of the simulation process before they are applied in the real world, so that we create an environment
similar to these networks. The problem of a set of nodes connected with each other wirelessly, this requires the
development of a comprehensive model and full and real emulator for the movement of the contract on behalf of
stochastic models. Many models came to address the problems of random models that restricted the movement
of decade barriers as well as the signals exchanged between them, but these models were not receiving a lot of
light on the movement of the contract, such as direction, speed and path that is going by the node. The main
goal is to get a comprehensive model and simulator for all parts of the environment of the barriers and
obstacles to the movement of the nodes and the mobile signal between them as well as to focus on the movement
transactions for the node of the direction, speed, and best way. . This research aims to provide a realistic
mobility model for MANET networks. It also addresses the problem of imprecision in social relationships and
the location where we apply Fuzzy logic.
A HUMAN-CENTRIC APPROACH TO GROUP-BASED CONTEXT-AWARENESSIJNSA Journal
The emerging need for qualitative approaches in context-aware information processing calls for proper modelling of context information and efficient handling of its inherent uncertainty resulted from human interpretation and usage. Many of the current approaches to context-awareness either lack a solid theoretical basis for modelling or ignore important requirements such as modularity, high-order uncertainty management and group-based context-awareness. Therefore, their real-world application and extendibility remains limited. In this paper, we present f-Context as a service-based contextawareness framework, based on language-action perspective (LAP) theory for modelling. Then we identify some of the complex, informational parts of context which contain high-order uncertainties due to differences between members of the group in defining them. An agent-based perceptual computer architecture is proposed for implementing f-Context that uses computing with words (CWW) for handling uncertainty. The feasibility of f-Context is analyzed using a realistic scenario involving a group of mobile users. We believe that the proposed approach can open the door to future research on context-awareness by offering a theoretical foundation based on human communication, and a service-based layered architecture which exploits CWW for context-aware, group-based and platform-independent access to information systems.
LEARNING OF ROBOT NAVIGATION TASKS BY PROBABILISTIC NEURAL NETWORKcscpconf
This paper reports results of artificial neural network for robot navigation tasks. Machine learning methods have proven usability in many complex problems concerning mobile robots
control. In particular we deal with the well-known strategy of navigating by “wall-following”. In this study, probabilistic neural network (PNN) structure was used for robot navigation tasks.
The PNN result was compared with the results of the Logistic Perceptron, Multilayer Perceptron, Mixture of Experts and Elman neural networks and the results of the previous
studies reported focusing on robot navigation tasks and using same dataset. It was observed the PNN is the best classification accuracy with 99,635% accuracy using same dataset.
This paper reports results of artificial neural network for robot navigation tasks. Machine
learning methods have proven usability in many complex problems concerning mobile robots
control. In particular we deal with the well-known strategy of navigating by “wall-following”.
In this study, probabilistic neural network (PNN) structure was used for robot navigation tasks.
The PNN result was compared with the results of the Logistic Perceptron, Multilayer
Perceptron, Mixture of Experts and Elman neural networks and the results of the previous
studies reported focusing on robot navigation tasks and using same dataset. It was observed the
PNN is the best classification accuracy with 99,635% accuracy using same dataset.
LEARNING OF ROBOT NAVIGATION TASKS BY PROBABILISTIC NEURAL NETWORKcsandit
This paper reports results of artificial neural network for robot navigation tasks. Machine
learning methods have proven usability in many complex problems concerning mobile robots
control. In particular we deal with the well-known strategy of navigating by “wall-following”.
In this study, probabilistic neural network (PNN) structure was used for robot navigation tasks.
The PNN result was compared with the results of the Logistic Perceptron, Multilayer
Perceptron, Mixture of Experts and Elman neural networks and the results of the previous
studies reported focusing on robot navigation tasks and using same dataset. It was observed the
PNN is the best classification accuracy with 99,635% accuracy using same dataset.
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The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
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• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...
Journal of Computer Science Research | Vol.2, Iss.3 July 2020
1.
2. Editor-in-Chief
Dr.Lixin Tao
Editorial Board Members
Pace University, United States
Yuan Liang,China
Chunqing Li,China
Roshan Chitrakar,Nepal
Nagesh Narayan Jadhav,India
Adnan Mohamad Abuassba, Palestinian
NageswaraRao Sirisala, India
Dong Li, China
Omar Abed Elkareem Abu Arqub, Jordan
Lian Li, China
Shitharth S, India
Buddhadeb Pradhan, India
Suyel Namasudra, India
Bohui Wang, Singapore
Zhanar Akhmetova, Kazakhstan
Hashiroh Hussain, Malaysia
Imran Memon, China
Aylin Alin, Turkey
Xiqiang Zheng, United States
Manoj Kumar, India
Awanis Romli, Malaysia
Manuel José Cabral dos Santos Reis, Portugal
Zeljen Trpovski, Serbia
Milan Kubiatko, Slovakia
Zhihong Yao, China
Monjul Saikia, India
Lei Yang, United States
Alireza Bahramian, Iran
Degan Zhang, China
Shijie Jia, China
Moumita Chatterjee, India
Marbe Benioug, China
Hakan Acikgoz, Turkey
Jingjing Wang, China
Kamal Ali Alezabi, Malaysia
Petre Anghelescu, Romania
Liu Liu, China
Ahmad Mansour Alhawarat, Malaysia
Christy Persya Appadurai, United States
Neha Verma, India
Viktor Manahov, United Kingdom
Nur Sukinah Aziz, Malaysia
Shumao Ou, United Kingdom
Jiehan Zhou, Finland
Ammar Soukkou, Algeria
Hazzaa Naif Alshareef, Saudi Arabia
Xiaokan Wang,China
Rodney Alexander,United States
Hla Myo Tun,Myanmar
Xiaofeng Yuan,China
Michalis Pavlidis, United Kingdom
Girish Babu Moolath, India
Dileep M R, India
Velumani Thiyagarajan, India
Jie Xu, China
Malik Bader Alazzam, Jordan
Resul Coteli, Turkey
Muhammad Arif, China
Qian Yu, Canada
Jerry Chun-Wei Lin, Norway
Hamed Taherdoost, Malaysia
Teobaldo Ricardo Cuya, Brazil
Asif Khan, India
Paula Maria Escudeiro, Portugal
Mustafa Çağatay Korkmaz, Turkey
Mingjian Cui, United States
Beşir Dandil, Turkey
Jose Miguel Canino-Rodríguez, Spain
Yousef Awwad Daraghmi, Palestinian
Lisitsyna Liubov, Russian Federation
Chen-Yuan Kuo, United States
Antonio Jesus Munoz Gallego, Spain
Ting-Hua Yi, China
Norfadilah Kamaruddin, Malaysia
Bala Murali Gunji, India
Lanhua Zhang, China
Ala Bassam Hamarsheh, Palestinian
Samer Al-khateeb, United States
Erhu Du, China
Francesco Caputo, Italy
Serpil Gumustekin Aydin, Turkey
Sudhir Babu Alapathi, India
Mohsen Maleki, Iran
Gamze Ozel Kadilar, Turkey
Ronald Javier Martin, United States
Ebba S I Ossiannilsson, Sweden
Stephen Sloan, United States
Koteswara Rao K, India
Prasert Aengchuan, Thailand
Changjin Xu, China
3. Volume 2 Issue 3 · July 2020 · ISSN 2630-5151
Journal of
Computer Science
Research
Editor-in-Chief
Dr. Lixin Tao
5. 1
Journal of Computer Science Research | Volume 02 | Issue 03 | July 2020
Distributed under creative commons license 4.0 DOI: https://doi.org/10.30564/jcsr.v2i3.2077
Journal of Computer Science Research
https://ojs.bilpublishing.com/index.php/jcs
ARTICLE INFO ABSTRACT
Article history
Received: 29 June 2020
Accepted: 16 July 2020
Published Online: 30 July 2020
The paper describes the use of invented, developed, and tested in different
countries of the high-level spatial grasp model and technology capable
of solving important problems in large social systems, which may be
represented as dynamic, self-evolving and distributed social networks. The
approach allows us to find important solutions on a holistic level by spatial
navigation and parallel pattern matching of social networks with active
self-propagating scenarios represented in a special recursive language. This
approach effectively hides inside the distributed and networked language
implementation traditional system management routines, often providing
hundreds of times shorter and simpler high-level solution code. The paper
highlights the demands to efficient simulation of social systems, briefs the
technology used, and provides some programming examples for solutions
of practical problems.
Keywords:
Social systems
Social networks
Parallel and distributed computing
Spatial Grasp Technology
Spatial Grasp Language
Holistic solutions
ARTICLE
Spatial Management of Distributed Social Systems
Peter Simon Sapaty*
Institute of Mathematical Machines and Systems, National Academy of Sciences, Glushkova Ave 42, 03187, Kiev
Ukraine
1. Introduction
S
ocial systems and social networks expressing
them may be large and complex [1-4]
. Consisting
of numerous nodes and links between them and
constantly changing their volume and structure, they may
cover separate countries and the whole world. Proper
dealing with such systems is crucial for the world’s secu-
rity and prosperity. This needs their detailed simulation
and integration with live control and management within
united concepts of virtual, physical and executive worlds.
The current paper, based on previous publications [5-11]
,
provides advanced approach for analysis of large social
systems, which may have effective implementation on dif-
ferent platforms, also with the use of existing media sys-
tems and channels. The rest of this paper is organized as
follows. In section 2, main demands to the simulation and
support of distributed social systems are listed. Section 3
briefs the developed Spatial Grasp Technology allowing
us to effectively deal with very large social networks,
which may have worldwide distribution, including its
high-level recursive Spatial Grasp Language (SGL) and
organization of its networked interpreter. Section 4 pro-
vides examples of using SGL for describing very practical
social problems, and Section 5 concludes the paper.
2. Demands to Social Systems Simulation and
Support
Traditional centralized access, copying, and visualization
*Corresponding Author:
Peter Simon Sapaty,
Institute of Mathematical Machines and Systems, National Academy of Sciences, Glushkova Ave 42, 03187, Kiev Ukraine;
Email: peter.sapaty@gmail.com
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of social networks may not satisfy the needs as requiring
unacceptable amount of time, storage, and computing re-
sources, and the obtained network snapshots of these high-
ly dynamic worlds are rapidly becoming outdated. The
really suitable solutions may be achieved by massive and
parallel and runtime dealing with social networks directly
in points where the original information occurs. Within
this context, we will be using the patented high-level Spa-
tial Grasp Technology (SGT) already tested on different
networked applications and described in Wiley, Springer
and Emerald books [5-7, 9, 10]
, which allows us to find holis-
tic solutions in large social systems by treating the whole
distributed world as an integral spatial brain.
3. Spatial Grasp Technology Basics
3.1 General SGT Idea
Within SGT, a high-level scenario for any task to be
performed in a distributed world is represented as
an active self-evolving pattern rather than traditional
sequential or parallel program. This pattern, expressing
direct world vision, perception and top semantics of the
problem to be solved, is written in a high-level Spatial
Grasp Language (SGL). Starting from any world point
(which may be multiple and arbitrarily distributed) it
spatially self-propagates, self-replicates, self-modifies,
self-covers and self-matches the distributed world in
parallel wavelike mode. If needed, it also echoes back the
reached control states and data discovered or obtained
(which may happen to be arbitrarily remote, say, half-
world away) for making decisions at higher levels and
further space navigation from the reached positions,
which may include the starting and any previous ones
(see Figure 1,a). The self-spreading & self-matching SGL
patterns-scenarios can dynamically create and leave any
knowledge infrastructures arbitrarily distributed between
system components which may cover any regions, the
whole world including, as in Figure 1,b.
a
b
Figure 1. Controlled navigation of distributed spaces with
creation of distributed infrastructures
Arbitrary number of spatial processes in SGL can start
any time and in any places, cooperating or competing
with each other, and these spatial processes can be
organized on certain agreements (as in the past for the
previous technology version, WAVE, installed at different
universities of Germany, UK, US, and Canada [9-10]
), or
represent specific stealth solutions for particular purposes,
depending on applications. The created infrastructures,
which may remain active and capable of evolving further
at any time (including self-launching new spatial SGL
scenarios) can effectively support or express distributed
databases, advanced command and control, situation
awareness, autonomous and collective decisions. They
can express or mimic any existing or hypothetical
computational and/or control models, effectively integrate
distributed simulation and real control with runtime
changing watershed in between, and even provide a sort
of self-consciousness for highly intelligent and arbitrarily
distributed systems.
3.2 Spatial Grasp Language
General SGL organization is as follows (with full syntax
just on a single page, see [5-7]
), where syntactic categories
are shown in italics, vertical bar separates alternatives,
parts in braces indicate zero or more repetitions with
a delimiter at the right, if multiple, and constructs in
brackets may be optional:
grasp → constant | variable | [ rule ] [({ grasp,})]
constant → information | matter | custom | special |
grasp
variable → global | heritable | frontal | nodal |
environmental
rule → type | usage | movement | creation | echoing |
verification | assignment | advancement |
branching | transference | exchange | timing |
qualifying | grasp
An SGL scenario, called grasp, applied in some
DOI: https://doi.org/10.30564/jcsr.v2i3.2077
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point (or points) of the distributed space, can just be a
constant, a variable, and can also be a rule (expressing
certain action, control, description or context) optionally
accompanied with operands separated by comma (if
multiple) and embraced in parentheses. These operands
can be of any nature and complexity (including arbitrary
scenarios themselves) and defined recursively as grasp, i.e.
can be constants, variables or any rules with operands (i.e.
as grasps again), and so on. Rules, starting in some world
point, can organize navigation of the world sequentially,
in parallel, or any combinations. They can result in
staying in the same application point (which can also
serve as starting point for further navigation) or can cause
movement to other world points with obtained results to
be left there, as in the rule’s final points, form which to
proceed further. Such results can also be returned to the
rule’s starting point, from which the rest of the scenario,
if any, can develop. The rules, due to recursive language
organization, can form arbitrary operational and control
infrastructures covering any spaces and environments
and expressing any sequential, parallel, hierarchical,
centralized, localized, mixed, and up to fully decentralized
and distributed algorithms. SGL may be considered as
pursuing a quite different philosophy, methodology, and
programming styles, serving as language and tool for
directly dealing with distributed dynamic spaces, both
virtual and physical, and not being the language for
programming computers and networks, as usual, which is
totally shifted to its automatic implementation.
3.3 SGL Interpreter
The SGL interpreter [7-12]
consists of a number of spe-
cialized functional processors working with and sharing
specific data structures. SGL interpretation network gen-
erally serves multiple scenarios or their parallel branches
simultaneously navigating the distributed world. Each
interpreter can support and process multiple SGL scenario
code which appears in its responsibility at different mo-
ments of time. Implanted into any distributed systems and
integrated with them, the interpretation network (having
potentially millions to billions of communicating inter-
preter copies) allows us to form dynamic and ubiquitous
world computer (actually as “spatial brain”) with unlimit-
ed power for simulation and management of the world it-
self. Different interpreter copies appear to be dynamically
interlinked by spatial hierarchical track system which is
the result of wavelike navigation of distributed environ-
ments in SGL, and this track system effectively supports
the overall management and control of highly parallel and
fully distributed solutions. This internal system, working
in alternating top-down and bottom-up modes, also serves
as automatically created and hidden from the user power-
ful spatial computational, decision-making and distributed
knowledge transferring, supporting, and cleaning engine.
This allows us to write global SGL scenarios expressing
only top semantics of the tasks to be solved, which are
often hundreds of times shorter and simpler than under
any other approaches for solving similar problems. SGL
interpreter can have both software and hardware efficient
implementations, with new patent being prepared on it. It
can also be deeply integrated with any other existing net-
working systems and engines, thus deeply penetrating into
the distributed social tissue and becoming an inseparable
and intelligent part of it.
4. Some Programming Examples
We will consider two very simple programming examples
in SGL related to this paper, as follows.
(1) Finding distance between averaged centers of dif-
ferent communities
This example is shown in Figure 2, where different
communities in a social network are defined by different
type of semantic links between their nodes (like c1 and
c2), and such communities may semantically and spatially
intersect. After finding topographical centers of commu-
nities by the following SGL scenario, if communities are
located too close to each other, an “alarm” is issued (say,
in case they may be antagonistic to each other).
Figure 2. Finding topographical centers and distance
between them in a distributed social network
nodal(Center1, Center2, Threshold = …);
Center1 = average(hop(all); if(hop_link(c1), WHERE));
Center2 = average(hop(all); if(hop_link(c2), WHERE));
If (distance(Center1, Center2) > Threshold, out-
put(“alarm”)
The nodes of social network may not be stationary and
can change their positions in time, with accounting this
by extending the scenario above as follows, with regular
finding migrating topological centers and issuing corre-
sponding alarms.
DOI: https://doi.org/10.30564/jcsr.v2i3.2077
8. 4
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nodal(Center1, Center2, Shift, Threshold = …);
parallel(
(hop(all); repeat(Shift = random(dX, dY); WHERE +
Shift); sleep(delay1))),
repeat(Center1 = average(hop(all); if(hop_link(c1),
WHERE))
Center2 = average(hop(all); if(hop_link(c2), WHERE));
if(distance(Center1, Center2) > Threshold, out-
put(“alarm”)); sleep(delay2))
In a further extension of this scenario we may allow
nodes to create new links with other nodes at runtime, also
lose the existing ones.
(2) Human-robotic teaming
This is symbolically depicted in Figure 3, where com-
municating humans and robots (all treated as “units) are
randomly swarming and supposedly eliminating the dis-
covered unwanted objects (as “targets”), also informing
close neighbors (humans or robots) about the targets seen,
thus prompting collective actions.
Figure 3. United human-robotic collectives
hop(all_units); repeat(
Shift = random(dx_dy);
if(empty(WHERE + Shift), shift(Shift));
append((own, direct_neighbors); Targets), seen(tar-
gets));
impact(targets); sleep(delaytime)))
This scenario can also have different extensions similar
to the previous one, where human-robotic collectives may
dynamically organize runtime hierarchies (with higher
levels potentially occupied by robots too) improving their
collective vision and cooperative fight with unwanted
objects. Such human-robotic collectives can have
holistic qualities and capabilities in SGL (see possible
formalization of gestalt theory laws under SGT [6-7]
), they
can even have a sort of distributed consciousness for very
complex and important applications, especially for crises
management and defense.
5. Conclusion
The main advantage of the philosophy, methodology and
technology developed is that it operates in both simulated
and actual worlds, with feeling of direct presence and free
movement in them. And all this can be expressed within
the same formalism and very high level language enabling
us to hide most of traditional systems management
routines inside its fully distributed, parallel and intelligent
implementation. This paradigm, known as WAVE in
the past [9,10]
has some relation to mobile agents (having
appeared well before them), but it navigates and grasps
distributed spaces holistically and globally, also leaving
active spatial infrastructures which may cover the whole
world. This is quite different from traditional agents-
based and interoperability philosophies which consider
the system as consisting from well defined autonomous
parts which need to be interlinked and integrated by some
additional means, which often does not work properly.
The technology developed can also be symbolically
considered as unlimitedly powerful world super-virus,
which has enormous power not only to kill but also
create, restructure, improve, and rule the world. One of its
currently investigated applications is simulation of global
pandemics and spatial methods of fighting them. Another
considered application—global missile defence systems,
both terrestrial and celestial, especially for withstanding
very high speed dangerous objects which may have tricky
routes. Concerning social networks, the tech offered can
effectively combine distributed interactive simulation of
large social systems with their effective management,
with watershed between the two regulated at runtime
within the symbiotic simulation-control SGL scenarios.
Other investigated applications include advanced mosaic-
type operations in distributed systems, simulation of
such complex features as awareness and consciousness,
also technological support of space conquest and
advanced terrestrial and celestial missions. SGL can be
quickly implemented even within standard university
environments, similar to its previous versions in different
countries under the author’s supervision.
References
[1] Baraldi, C., Corsi, G.. Social Systems Theory. in: N.
Luhmann. Springer Briefs in Education. Springer,
Cham, 2017.
[2] Ghoshal, G., Mangioni, G., Menezes R. et al. Social
System as Complex Networks. Social Network Analy-
sis and Mining, 2014, 4: 238.
[3] Denny, M. Social Network Analysis, Institute for So-
cial Science Research, University of Massachusetts
DOI: https://doi.org/10.30564/jcsr.v2i3.2077
9. 5
Journal of Computer Science Research | Volume 02 | Issue 03 | July 2020
Distributed under creative commons license 4.0
Amherst, 2014.
[4] Mangal, V., Gadh, V. Systems Theory and Social Net-
working: Investigation of Systems Theory principles
in Web 2.0 Social Network Systems. International
Journal of Business and Commerce, 2013, 3.
[5] Sapaty, P. Complexity in International Security: A Ho-
listic Spatial Approach, Emerald Publishing, 2019.
[6] Sapaty, P. Holistic Analysis and Management of Dis-
tributed Social Systems, Springer, 2018.
[7] Sapaty, P. Managing Distributed Dynamic Systems
with Spatial Grasp Technology, Springer, 2017.
[8] Sapaty, P. Distributed Human Terrain Operations for
Solving National and International Problems”, Interna-
tional Relations and Diplomacy, 2014, 2(9).
[9] Sapaty, P. Ruling Distributed Dynamic Worlds. John
Wiley & Sons, New York, 2005.
[10] Sapaty, P. Mobile Processing in Distributed and Open
Environments, John Wiley & Sons, New York, 1999.
[11] Sapaty, P. A distributed processing system, European
Patent No. 0389655, Publ. 10.11.93, European Patent
Office, 1993.
DOI: https://doi.org/10.30564/jcsr.v2i3.2077
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Journal of Computer Science Research | Volume 02 | Issue 03 | July 2020
Distributed under creative commons license 4.0 DOI: https://doi.org/10.30564/jcsr.v2i3.2115
Journal of Computer Science Research
https://ojs.bilpublishing.com/index.php/jcsr
ARTICLE INFO ABSTRACT
Article history
Received: 6 July 2020
Accepted: 6 July 2020
Published Online: 30 July 2020
Informationization plays an important role in modern life and production.
And various software is one of the bases for it. Before it goes into service,
software needs to go through many steps, including software development,
design, etc. In software development, test is the key to identify and control
bugs and errors in the software. Therefore, software companies often test
the software to ensure that it is qualified. In recent years, more attention
has been paid to a multi-platform computer software testing method,
which can make up for defects in traditional testing methods to improve
test accuracy. Firstly, this paper illustrates the connotation and features of
software testing. Secondly, common software testing platforms and their
requirements are analyzed. Finally, this paper proposes software testing
method based on multiple platforms.
[Chinese Library Classification Number] TP311.53
[Document Code] A
Keywords:
Multiple platforms
Computer software
Testing method
ARTICLE
Research on the Computer Software Testing Method Based on
Multiple Platforms
Yongfang Sun1*
Jianjun Li2
1. Rizhao Polytechnic, Rizhao, Shandong, 276826, China
2. Rizhao Administration for Market Regulation, Rizhao, Shandong, 276826, China
1. Introduction
C
omputer as well as Internet is one of the essential
conditions in the operation of modern society.
When people use them, many application
software will be installed in computers. Hence, software
development and testing industry emerges accordingly.
To improve the quality of software, software development
companies routinely test the software after designing
process so as to identify bugs in it. However, due to its
particularity, perfect software does not exist in reality.
The more complex the software is, the more likely bugs
exist. In this case, the purpose of software testing is not
to eliminate all bugs, but to fix the identified problems.
In order to identify more bugs, it is common to choose
multiple platforms for software testing. At present, there
are many platforms used in software testing, so the
optimal platform should be selected according to features
of software. Only in this way can we ensure that as
many bugs as possible will be identified to guarantee the
security of software applications.
2. The Concept and Features of Software
Testing
2.1 The Concept of Software Testing
Software testing appears as software development industry
develops. At the initial stage of software development,
software features small scale and less complexity [1]
.
*Corresponding Author:
Yongfang Sun, Rizhao Polytechnic, Donggang District,,
Rizhao, Shandong, 276826, China;
Email: 1181163368 @qq.com
11. 7
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There are many problems such as disordered process and
randomness in the development while the corresponding
test connotation is relatively narrow. Developers directly
consider the testing as debugging, whose purpose is to
correct the identified bugs in the software, and most
developers complete the work by themselves. In this
stage, software companies lack necessary attention to the
testing. Meanwhile, the testing, which is relatively late,
is carried out when the code is formed and the product is
basically completed in most cases [2]
.
With further development of software industry,
the software is gradually promoted to large-scale
and complex development. In this stage, some basic
theories and techniques of software testing are gradually
formed, and people began to design a lot of flow tables
and management plans for software development. The
software has evolved from disordered development to
structured development, mainly featuring structured
analysis and design, structured review and so on. At this
stage, the concept of quality is incorporated into software
development and testing, so the definition of software
testing changes accordingly. Testing is not simply a
behavior of identifying errors, but also the main part
of software quality assurance, covering the content of
software quality evaluation [3]
.
Software testing was defined in software engineering
terminology proposed by IEEE in 1983. Specifically, the
process of a certain software system should be operated
or measured manually or automatically. The function
of software measurement is to find out whether the
software meets the design requirements or to ascertain the
differences between expected results and actual results [4]
.
This definition further clarifies the purpose of software
testing. It’s no longer a one-time event, but an integral
part of the development process.
2.2 Features of Software Testing
During software testing conducted by software testing
platforms, relevant workers need to build a good operating
environment to ensure that no trouble will appear during
the process [5]
. Meanwhile, software test platforms’
accuracy of results and rate of process will be improved. In
addition, hidden bugs in the software can also be identified
and fixed in time. Workers should be aware that the
operating environment has an important impact on smooth
implementation of software testing. All software should be
tested before actual application [6]
. However, with the rapid
development of modern information technology, software
updates at a very fast speed and software functions
become increasingly complex. These facts greatly
increase the difficulty of software testing and put forward
higher requirements for software testing platforms.
During software testing, for one thing, relevant workers
need to compare and access the test setting for a function.
For another, they also need to avoid interfering with other
functions of the software. The above specifications aim to
continuously improve efficiency and quality of software
test platforms. With the rapid development of information
technology, software testing will be applied to various
testing platforms. Then the increase of platforms can
improve efficiency and accuracy of software testing. It
can also perform unified tests on all functions of software
to maximize the value of identifying software bugs[7]
.
Testing principles, specifically the incomplete principle,
should be followed before software testing. The incomplete
principle means that if the test is not complete and there
are many parts with immunity principle in the testing, it
can play a positive role in the software testing [8]
. Owing
to immunity of such factors in software testing, there is
a positive correlation between testing content performed
by testers and software testing immunity. If people want
to make software testing smoother and more accurate,
these principles must be followed and be integrated into
the whole software development process to achieve
continuous testing rather than one-time whole-process
testing.
3. Analysis of Software Testing Platforms
3.1 Common Software Testing Platforms
In order to meet the demands of software testing in the
maximum degree, the number of platforms applied in
the testing process keeps increasing. In recent years,
during software testing, software testing platforms such
as PARASOFT ALM RUAN, Test Center and so on are
commonly used. At the early stage of software testing
industry development, PARASOFT carried out various
software testings and obtained remarkable fruits[9]
.
PARASOFT ALM RUAN, successfully developed by
the company, is recognized by people among integrated
software test platforms. It is mainly because of its
comprehensive software testing and the application of
this platform by some internationally renowned software
testing companies. Test Center, as a general test platform,
can perform testing for various types of software. Test
Center has the advantages of strong stability and high
efficiency during the application, so it is mostly used in
software development. Using Test Center can greatly
shorten the time of software development, thus improving
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the efficiency of software development and attracting
more attention in software testing industry[10]
.
3.2 Requirements of the Test Based on Multiple
Platforms
Based on different characteristics of software, if it is
only tested by a specific platform, the obtained test
results are bound to lack comprehensiveness. As the
software development become more diversified and
complex, software testing based on multiple platforms can
better meet the development requirements of the whole
industry. Software testing based on multiple platforms
can effectively detect existing defects that affect user
experience in application process on a single platform.
During software testing based on multiple platforms,
developers need to divide the software operation into
various steps in advance, and gradually complete the
testing on different platforms. Hence, bugs in various
aspects such as functionality and logic can be identified
with higher efficiency and accuracy.
4. Specific Methods of Software Testing Based
on Multiple Platforms
4.1 Steps of Software Testing Based on Multiple
Platforms
The first step is designing and planning, during which
appropriate test methods should be chosen according
to computer software requirements. The second step is
building the model. The required testing model should
be built by applying existing computer software testing
methods. Based on the logic characteristics of computer
software itself, the model building in this period should
pay attention to compatibility of software operation from
the perspective of logic operation, and build relevant
framework to ensure that all testing methods are carried
out normally. The third step is managing applications.
After model building, the test tasks should be refined
in combination with differences among test methods.
The differences of test software should be referenced
in order to detail the test methods and corresponding
tasks, ensuring that all test tasks can run smoothly. The
fourth step is practicing. During the operation, attention
should paid to the collection of all kinds of information.
Combining with the obtained information of errors, people
should provide reference for subsequent adjustment of the
software.
4.2 Software Testing Standards Based on Multiple
Platforms
First, the balance between different platforms should be
paid attention to. Given that different test platforms have
different developers, it is inevitable that differences of
test environments exist, which will lead to problems of
software operation adaptability between people during
software testing. During testing, coordination between
platforms should be ensured in order to choose the best
way for testing. Second, due to the complexity of the
software, key monitoring points should be selected in
advance to improve the efficiency during the test, and the
core functions of the software should be defined, based
on which the most suitable platform can be selected.
In environment of testing with the help of a network
platform, the identified problems should be fixed in time,
then subsequent inspection should be carried out. All the
testing work can be completed only when all problems are
solved. Third, during the normal operation of software,
its fluency will be affected by the system environment
to some extent. Software can vary on different system
environments during operation. In view of this, one of the
premises for software testing based on multiple platforms
should be a good network configuration environment.
5. Conclusion
Modern software updates quickly. Testing, as the key
step of its development, requires high efficiency and
accuracy. In the past, the software testing on a single
platform may incompletely identify bugs or operate
with relatively low efficiency. Consequently, this paper
proposes software testing patterns based on multiple
platforms. It can be seen from the above analysis that
software testing based on multiple platforms works
more efficiently and comprehensively, being able to get
involved in software development in the early stage.
Additionally, computer software testing method based on
multiple platforms can further improve software stability
if it is applied to appropriate software testing platform,
thus having great significance for ensuring that the
designed software meets requirements.
References
[1] Fei Li, Jun Yang, Yang Cao, et al. Research on the
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for Multiprocessor Embedded Softwar[J]. Aerospace
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[3] Medina-Bulo I, Merayo M G, Hierons R. [Lecture
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[10] Medina-Bulo I, Merayo M G, Hierons R. [Lecture
Notes in Computer Science] Testing Software and
Systems Volume 11146 (30th IFIP WG 6.1 Interna-
tional Conference, ICTSS 2018, Cádiz, Spain, Octo-
ber 1-3, 2018, Proceedings) || An Energy Aware Test-
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DOI: https://doi.org/10.30564/jcsr.v2i3.2115
14. 10
Journal of Computer Science Research | Volume 02 | Issue 03 | July 2020
Distributed under creative commons license 4.0 DOI: https://doi.org/10.30564/jcsr.v2i3.2117
Journal of Computer Science Research
https://ojs.bilpublishing.com/index.php/jcsr
ARTICLE INFO ABSTRACT
Article history
Received: 6 July 2020
Accepted: 6 July 2020
Published Online: 30 July 2020
In this paper, a new method for adjusting the current of three-phase voltage
source DC-AC converter in orthogonal (DQ) reference frame is presented.
In the DQ reference system, AC variable appears in the constant form of
DC, making the controller design the same as the DC-DC converter [1].
It provides controllable gain benefits at the steady-state operating point,
and finally realizes zero steady-state error [2]. In addition, the creative
analytical model is dedicated to building up a series of virtual quantities
orthogonal to the actual single-phase system. In general, orthogonal
imaginary numbers get the reference signal by delaying the real quantity by
a quarter period. However, the introduction of such time delay makes the
dynamic response of the system worse. In this paper, orthogonal quantities
are generated from a virtual axis system parallel to the real axis, which
can effectively improve the dynamic performance of traditional methods
without increasing the complexity of controller structure. Through PSCAD
simulation, the ideal experimental results are obtained.
Keywords:
Current Controller
Fictive-axis Emulation (FAE)
Three-phase voltage-source converters (VSCs)
Vector controller
ARTICLE
Vector Control of Three-Phase Solar Farm Converters Based on
Fictive-Axis Emulation
Kai Kang1*
Qiaoyu Wang1
Jiayi Meng2
1. Electrical and Computer Systems Engineering Department, Monash University, Melbourne, Victoria, Australia
2. Faculty of Arts, Melbourne University, Melbourne, Victoria, Australia
1. Introduction
I
n the past few years, many researches have been
done on VSC control regulation and various methods
have been proposed, such as hysteresis, no difference
frequency, prediction, proportional integral (PI) and
proportional resonance (PR) based control strategies. In
general, these methods can be divided into two categories:
fixed frame controllers and synchronous frame controllers.
Among static frame controllers, the linear PI controller
is used intensively in numerous industries. However,
since well-known shortcomings such as non-zero steady-
state error, other methods have been proposed, such as
a PR controller, to track the AC reference signal in the
static coordinate system with zero steady-state error [3]
.
In addition, the PR control is one of the most popular
classical control theories that is to implement for single
and three-phase applications while providing satisfactory
and controllable performance. This part we analyze the
controller strategies based on the solar farm system [4]
.
Secondly, DQ transformation projects the three-phase
current of stator a, b and c into the direct axis (D axis),
the quadrature axis (Q axis) and the zero axis (0 axis)
perpendicular to the DQ plane as the rotor rotates. Thus, it
realizes the diagonalization of the stator inductance matrix
and simplifying the operation analysis of synchronous
*Corresponding Author:
Kai Kang,
Electrical and Computer Systems Engineering Department, Monash University, Melbourne, Victoria, Australia;
Email: 1643360071@qq.com
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motor [5]
. The transformation from ABC coordinates to
DQ coordinates. For the convenience of research, this
paper adopts the method of combining DQ transformation
and PI control to analyze [6]
.
The next part gives the control strategy based on virtual
axis simulation (FAE). Finally, we evaluate the sensitivity
of the proposed method to changes in system parameters
and summarizes the paper.
2. Designed System Description
2.1Three-Phase VSC
Figure 1. The topology of three-phase VSC
The integrated circuit design of Figure 1 illustrates a
three-line diagram of the solar plant application system
where the VSC is connected to the utility grid through
the combination of line reactor filter that is made of by
Damper and LCL filter and a coupling model transformer.
Mainly using steady and high-efficiency control
strategy for three-phase VSCs that could be realised
according to the innovation of vector control of three-
phase electrical systems. Previous vector control methods
are pretty popular, where a series of flexible strategies are
used to define and change the control system parameters
in order to assure predefined dynamic performance and
decoupled axes. One of the most convenient methods
is simple PI controllers. In the next section, the control
structure is briefly introduced [7]
.
2.2 Current Control Loop
Figure 2. The technological process of dq current
controller
Firstly, assuming the variables of single-phase systems
are replaced by those of three-phase systems. In this way
the dynamics process of the ac-side of solar plant system
can be described as
V,abc=Ri,abc+L
di,abc
dt
+ui,abc (1)
In the αβ coordinate system, it can become
V,aαβ=Ri,αβ+L
di,aβ
dt
+ui,αβ (2)
Transforming this equation into the new Laplace
domain, a flow diagram of the control strategy in the
stationary logical structure is drawn (Figure 3).
Figure 3. Reference parameter setting frame
The detailed changes of the ac-side variables in the
logical frame (dq frame) is derived as
Uad=Ucd-Lωiq+Uid;
Uaq=Ucd+Lωiq+Uiq; (3)
id and iq are respond to ucd and ucq through the first-
order integration function, the control strategy is realized
through redefining the parameters of closed-loops and
using basic first-order PI controllers [8]
.
Therefore, the integration function of the control
strategy is derived as follows, where the time variable Ts
is equal to L/R, and Ks is equal to 1/R:
Hs =
Kc
1+sTs
; (4)
And then the transfer function Ho can be defined
according to the open-loop structure:
Ho(s) = HR(s)*Hpe(s)*Hs(s); (5)
DOI: https://doi.org/10.30564/jcsr.v2i3.2117
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Where HR(s) =
sTi
1+sTn
, and Hpe(s) =
Kcm
1+sTpe
; (6)
2.3 Changing the Basic Current Controller into
PQ Controller
Figure 4. Vector controller with active and reactive power
This section, changing the method of defining reference
parameters by using active and reactive power values. It
is pretty convenient to control the output power through
applying the property of active power whose final power
in the DC and AC side is always equal [9]
.
2.4 Performance Evaluation
The original method of current controlling will produce
some inevitable errors. In the climbing process of the
preparation stage, the oscillating harmonic generated
by the secondary current will have a great influence
on the power, which will continue to affect the steady-
state output, resulting in a large steady-state error. And
from the graphic results, it is obvious that there are large
oscillations in the preparation phase.
Figure 5. Conventional result of PQ control
In this test, compared with the conventional
method, the advanced vector current controller has
better performance. The results of testing application
demonstrate the innovation strategy of controller has the
following advanced properties [10]
:
(1) It is realizable to track all reference signals with
zero steady-state error within few milliseconds.
(2) It would not impose excessive disruption and
strange oscillation to the solar plant application.
(3) It contraries to the traditional method, and it would
not be impacted by unregular oscillatory dynamics.
During the steady process, the controller can monitor
and correct the current with zero steady-state error
by reading continues feedback from loops. And total
harmonic distortion (THD) value of the current during
this state is 4.5%, which is beneficial for the solar plant to
store and deliver current.
Figure 6. Simulation Results of reference signals (a)
Figure 7. Simulation Results of DC voltage and dq
reference values (b)
Figure 8. Simulation Results of active and reactive power
on the middle position (c)
DOI: https://doi.org/10.30564/jcsr.v2i3.2117
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Figure 6 Simulation results of the advanced dq current
controller: (a) changing values of Q and iq. (b) changing
values of P and id. (c) the grid active and reactive power
corresponding to the converter current.
3. Conclusion
This paper introduces a new design of vector
controller for the current and voltage regulation of three-
phase VSCs. Compared with the traditional method,
the orthogonal components of voltage and current
are generated to meet the needs of a stationary and
synchronous controlling frame by the SOGI based on
phase locked loop. In addition, conventional methods
use phase shifting to generate orthogonal current, which
results in poor transient response. However, the controller
can produce the expected orthogonal current and physical
system and has a higher kinetic advantage. Finally, the
performance of the proposed control strategy is evaluated
by simulation and experiment compared with the
traditional control strategy [11]
.
The research shows that the proposed method has the
following characteristics:
(1) Maintain system stability, track reference value,
stability error is zero.
(2) It is much faster than the traditional method.
(3) Compared with traditional methods, it has better
dynamic response.
(4) It is robust to inconsistencies between physical axis
and virtual axis parameters.
References
[1] Padhee, S., Pati, U. C., Mahapatra, K. Closed-loop
parametric identification of DC-DC converter. Pro-
ceedings of the Institution of Mechanical Engineers,
Part I: Journal of Systems and Control Engineer-
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[2] Chung, K., Hong, S.-K., Kwon, O.-K. A fully integrat-
ed switched-capacitor DC-DC converter with hybrid
output regulation. Analog Integrated Circuits and Sig-
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[3] Serra, F. M., De Angelo, C. H., Forchetti, D. G. IDA-
PBC control of a DC-AC converter for sinusoidal
three-phase voltage generation. International Journal
of Electronics, 2017, 104(1): 93-110.
[4] Zhou, X., Xu, J., Zhong, S. Single-Stage Soft-Switch-
ing Low-Distortion Bipolar PWM Modulation
High-Frequency-Link DC-AC Converter With Clamp-
ing Circuits. IEEE Transactions on Industrial Electron-
ics, 2018, 65(10): 7719-7729.
[5] Xie, M., Wen, H., Zhu, C., Yang, Y. A method to im-
prove the transient response of dq-frame cascaded
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tems Research, 2018, 155: 121-130.
[6] Burgos-Mellado, C., Costabeber, A., Sumner, M.,
Cárdenas-Dobson, R., Sáez, D. Small-Signal Model-
ling and Stability Assessment of Phase-Locked Loops
in Weak Grids. Energies, 2019, 12(7).
[7] Khan, P. F., Sengottuvel, S., Patel, R., Gireesan, K.,
Baskaran, R., Mani, A. Design and Implementation of
a Discrete-Time Proportional Integral (PI) Controller
for the Temperature Control of a Heating Pad. SLAS
Technology, 2018, 23(6): 614-623.
[8] Jigang, H., Hui, F., Jie, W. A PI controller optimized
with modified differential evolution algorithm for
speed control of BLDC motor. Automatika, 2019,
60(2): 135-148.
[9] Sivaraman, P., Prem. PR controller design and stability
analysis of single stage T-source inverter based solar
PV system. Journal of the Chinese Institute of Engi-
neers, 2017, 40(3): 235-245.
[10] You, W. X., Zhou, Z. H., Chang, J. X., Sun, G. Com-
parative Study on Several PQ and V/f Controller
Models in Micro-Grid. Advanced Materials Re-
search, 2014, 1044: 738-742.
[11] Singh, K. S., Lavanya, K., Rao, M. U. M. BATS
echolocation algorithm tuned PI controller for PQ
improvement in a grid connected wind energy sys-
tem. 2016 International Conference on Electrical,
Electronics, and Optimization Techniques (ICEEOT),
2016, 4101-4105.
DOI: https://doi.org/10.30564/jcsr.v2i3.2117
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Journal of Computer Science Research
https://ojs.bilpublishing.com/index.php/jcsr
ARTICLE INFO ABSTRACT
Article history
Received: 6 July 2020
Accepted: 6 July 2020
Published Online: 30 July 2020
Due to using the fuzzy clustering algorithm, the accuracy of image
segmentation is not high enough. So one hybrid clustering algorithm
combined with intuitionistic fuzzy factor and local spatial information
is proposed. Experimental results show that the proposed algorithm is
superior to other methods in image segmentation accuracy and improves
the robustness of the algorithm.
Keywords:
Image segmentation
Rough sets
Intuitionistic type-2 fuzzy c-means clustering
ARTICLE
Image Segmentation Based on Intuitionistic Type-2 FCM Algorithm
Zhongqiang Pan Xiangjian Chen*
Jiangsu University of Science and Technology, School of Computer Science and Engineering, ZhenJiang, 212003, China
1. Introduction
I
mage segmentation [1,2]
is based on dividing the image
into regions with different features. Common Image
segmentation methods include threshold selection
based on region characteristics [3]
, edge detection [4]
based
on specific theory. With the development of science and
technology in recent years, many researchers combine
the special theory with the existing image segmentation
technology and propose many new segmentation
algorithms [5,6,7]
. Mingwu Ren [8]
et al used edge pattern
histogram to reduce the noise and the threshold effect of
Edge on image segmentation.
The structure of this paper is organized as: Part 2
described the proposed method; Part 3 provides the
experimental results; Finally, the conclusion is given in
the Part 4.
2. Rough Intuitionistic Type-2 Fuzzy c-means
Clustering Algorithm
In this paper, a hybrid clustering algorithm combined
with a new intuitionistic fuzzy factor and local spatial
information is proposed. The proposed algorithm is listed
in the following three subsections:
3. Initialization of Cluster Centroids by IT2F
Roughness
If the upper and lower approximation of an image I (m,
n) can be described as Qi (k) and qi (k) , then the IT2F
roughness at the kth intensity can be given by:
Where the qi (k) and Qi (k) can be given as following
equation:
where means
*Corresponding Author:
Xiangjian Chen,
Jiangsu University of Science and Technology, School of Computer Science and Engineering, ZhenJiang, 212003, China;
Email: ironming_qiang@qq.com
DOI: https://doi.org/10.30564/jcsr.v2i3.2118
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the the Gaussian MF used as type-2 fuzzy memberships,
so the total distance of all the pixels can be given as:
4. The Intuitionistic Fuzzy Factor
The proposed novel IT2FCM algorithm includes one
important factor, this factor is composed of similarity and
local spatial information, the defination of the local spatial
information can be described as:
Where uik is the membership degree between the
pixels, sik represents the similarity between the pixel and
cluster center, information.
5. Experimental Results
In order to compare the rough intuitionistic type 2 fuzzy
clustering algorithm with the other methods, one synthetic
test image has been given in Fig.1a. From the comparison
results, we can see that the proposed method is better than
the other four ones but slower than the other methods.
Figure 1. Comparison approaches on a synthetic image:
(a) original synthetic image, (b) RIT2FCM (c) RFCM, (d)
IIFCM, (e) T2FCM, (f) ASFIC, and (g) RIT2FCM
Table 1. SA values of five methods for the synthetic
image
Noise levels RFCM IIFCM T2FCM ASIFC RIT2FCM
(%) (%) (%) (%) (%) (%)
Gaussian 5 0.05 0.03 0.02 0.02 0.02
Gaussian 10 0.31 0.02 0.22 0.22 0.21
Gaussian 20 6.18 0.85 0.73 0.64 0.62
Table 2. Average computational time for five methods
Noise levels RFCM IIFCM T2FCM ASIFC RIT2FCM
(%) (s) (s) (s) (s) (s)
Gaussian 5 0.4672 0.3132 2.4823 1.3463 1.3672
Gaussian 10 0.5672 0.3125 2.5371 1.6491 1.6236
Gaussian 20 0.8672 0.3835 3.5172 2.5276 2.3512
6. Conclusion
One hybrid cluster algorithm is proposed to handle the
uncertaity in image segmentation, which combined the
adavantages of rough sets theory, type-2 fuzzy sets theory,
and intuitionistic fuzzy sets theory. From the simulation
results, we can see that the proposed method could handle
the randomness, vagueness, and external noises better
than other methods.
References
[1] Wang, L., Shi, F., Gao, et.al. Integration of sparse
multi-modality representation and anatomical con-
straint for isointense infant brain MR image segmenta-
DOI: https://doi.org/10.30564/jcsr.v2i3.2118
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tion. NeuroImage, 2014, 89: 152-164.
[2] C. Panagiotakis, H. Papadakis, E. Grinias, et.al. Inter-
active Image Segmentation Based on Synthetic Graph
Coordinates, Pattern Recognition, 2013, 46(11): 2940-
2952.
[3] P. Liu, L. D. Wu. Comparison of I value selection
methods in image segmentation. Pattern recognition
and artificial intelligence, 1997, 3:271-277.
[4] X. L. Zhang. A survey of image edge detection tech-
nology. High Energy density physics, 2007, 1:37- 40.
[5] K. J. Cheng. Nice ride. Research on Modulus and clus-
tering algorithm based on kernel function. University
of Electronic Science and Technology, 2009.
[6] Zadeh L A. Fuzzy sets, information and control. Infor-
mation Control, 1965, 8(3):338-353.
[7] Ruspini E H. A new approach to clustering. Informa-
tion Control, 1969, 15(1):22-32.
[8] Q. Yan, X. Q. Ye, J. L. Liu, etc. Maximum entropy
threshold processing algorithm based on quantized
image histogram. Pattern recognition and artificial in-
telligence, 1998, 3:352-358.
[9] Yu, P. F. Shi, L. C. Zhao. Image segmentation method
based on minimum energy. Infrared and laser engi-
neering, 1999, 284:21-24.
DOI: https://doi.org/10.30564/jcsr.v2i3.2118
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Journal of Computer Science Research | Volume 02 | Issue 03 | July 2020
Distributed under creative commons license 4.0 DOI: https://doi.org/10.30564/jcsr.v2i3.2135
Journal of Computer Science Research
https://ojs.bilpublishing.com/index.php/jcs
ARTICLE INFO ABSTRACT
Article history
Received: 6 July 2020
Accepted: 6 July 2020
Published Online: 30 July 2020
The classical Wiener filter was engaged into identifying the linear
structures, resulting in clear and incredible drawbacks in working with
nonlinear integrated system. Currently, the Hermitian-Wiener system are
suitable for unpredicted sub-system that consists of numerous and complex
inputs. The system introduces a two-stage to analyze the subintervals where
the output nonlinearities are noninvertible, through using the unknown
orders and parameters. Finally, a practical strategy would be discussed to
analyze the nonlinear parameters.
Keywords:
Hermitian-Wiener filter
Nonlinearity subsystems
Frequency domain
Wiener systems
ARTICLE
Analyzing the nonlinear system by designing an optimum digital filter
named Hermitian-Wiener filter
Qiaoyu Wang1*
Kai Kang1
Jiayi Meng2
1. Electrical and Computer Systems Engineering Department, Monash University, Melbourne, Victoria, Australia
2. Faculty of Arts, Melbourne University, Melbourne, Victoria, Australia
1. Introduction
T
he Hermitian-Wiener filter is mainly made of two
different nonlinear subsystems that are connected
in series. The original Wiener model is the basic
structure of this advanced system so that it can build
up and analyze the complex models, such as power
amplifiers, ocean detection, advanced dynamics, and other
meaningful applications [1]
.
The estimation of one unknown signal from another
is one of the difficult problems in signal processing. In
many applications, the desired signal is not available or
observed directly and it would be noisy and distorted by
unpredictable noise signals. In some simple environments
it may design a classical filter with lowpass, high pass, or
bandpass function[12]
.
However, the Hermitian-Wiener methods are hard to
recognize the parameters than classical Wiener filters in
practical application. More specifically, the complexity of
Hermitian-Wiener filter has two different stages to process
unknown signals. It means that the former has more
processing steps to get desired signals [3]
.
In this paper, we apply the Hermitian-Wiener filter
which is aimed to solve the nonlinear problems in
nonlinear subsystems. Also, it is noticeable that the
nonlinearities are not invertible in their own processing
intervals. Thus, the purposes of this method expand the
analyzing of frequency domain. In addition, the system
can observe a series of constant signals that are estimated
by controllers. In the first stage, estimate the input signals
*Corresponding Author:
Qiaoyu Wang,
Electrical and Computer Systems Engineering Department, Monash University, Melbourne, Victoria, Australia;
Email: 1643360071@qq.com
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that will transfer to the output nonlinearity and identify
the parameters of the later orders. When the linear
identification is determined, the subsystem frequency
benefits can be available after backlash inversion.
In the next section, the primary problems will be
demonstrated. Also, the main details of the advanced
methods would be given in section 2. The results of linear
and nonlinear would be showed in section 3.
2. Problem Statements about Nonlinearity
The basic formula can be derived as Hermitian-Wiener
model with input nonlinearity by this equation.
y(t)=x(t)+δ(t)=h(w)+δ(t)
w(t)=g(t)*v(t);wherev=f(u),g(t)=L-1
The noise δ(t) is ergodic and it is a stationary sequence
with zero-mean. Particularly, the input nonlinearity is an
unknown model outside the frequency intervals [4]
.
On the other hand, output also has nonlinearity within
frequency working subintervals. Also, this property is not
invertible. To be more specifically, the orders p and other
parameters would change during all subintervals. The key
step is to identify the accurate prediction of the nonlinear
intervals and the linear frequency domain [5]
.
3. Working Stage of the Hermitian-Wiener
filter
3.1 For the First Experiment
I derived the Weiner-Hopff equations used for calculating
the FIR Weiner filter coefficients w based on the formula.
Rv2w=rv1v2
This formula is the equation in its current form useful
for calculating the Weiner Filter. Also, it turns out that the
RHS of the above equation is rxv2.
x(n)=d(n)+v1(n)
v1(n)=0.7v1(n-1)+g(n)
v2(n)=-0.5v2(n-1)+g(n)
In Matlab, we generated 500 samples of the desired
signal d(n) (for φ use the random phase distributed
between [−π π]) and generate by filtering g(n) with filter
parameters a1= 0.7 and a2= −0.5, respectively. Also, we
generated the AR processes v1(n) and v2(n) and the se-
quence x(n) from d(n) and v1(n). Then, we generate the
correlation matrix Rv2 from v2(n) use the covar.m Matlab
function. Next, we generate the vector rxv2 from x(n) and
v2(n) using the Matlab built-in function xcorr.m by the
unbiased version of xcorr. Finally, we solved the linear
equations in Matlab to calculate the coefficient vector w,
for the FIR Weiner filter of orders p = 4, 10, 12 [6]
.
Figure 1. FIR Weiner Filter Matlab Results
3.2 For the Second Experiment
I found the autocorrelation sequence rd(k) of d(n) and
then plot the power spectrum (PSD) of d(n) from rd(k).
Also, I used PSD = fft ( xcorr( d(n),’unbiased’), 1024 ).
In addition, I plot the magnitude of the frequency
response of this Wiener filter. Also, comparing the
frequency response with the power spectrum of d(n)
and comment on the relation between the two frequency
responses based on using ‘freqz’ to find the magnitude
spectrum from filter coefficients[7]
.
Figure 2. FIR Weiner filter Frequency responses
Figure 3. FIR Weiner filter Magnitude
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It can be seen from the experimental results that the
upline cut-off frequency and downlink cut-off frequency
of the filter are about 0.2 and 0.8 respectively. When the
frequency response is 0.2-0.8, the filter is in a normal
filtering state with strong anti-interference ability and
noise reduction ability, and the power spectrum conforms
to the working state of the filter. When the frequency
response is 0-0.2 and 0.8-1, the filter is in a divergent
state with too much interference and noise and weak anti-
interference and noise reduction ability, which conforms
to the experimental results of power spectrum.
4. Analyzing Linear system
The problem of analyzing the linear subsystem is identify
the specific details of subintervals. First of all, an ideal
controller is designed that focus on compensating for
input nonlinearity. This system is utilized to transformed
to deal with the unpredictable internal signals v(t) and
w(t).
According to this point, the nonlinearity of input and
output are unpredictable, the system can just estimate this
changeable property. It is simple for users to assume that
the estimated points have been determined.
However, if we know the input nonlinearity is
polynomial function, introduce a controller to monitor the
input of the system, which would result in the inverse at
the system output. And theoretically, the outcome of the
system would be equivalent to a linear subsystem with
transfer function, where the frequency analyzing method
is a better way to identify the parameters for continues
processing[8]
.
5. Conclusion
Wiener filter has the advantages of a wide range of
adaptability. It can be applied whether stationary random
process is continuous or discrete, scalar or vector. The
experimental results show that the waveform is stable,
the predicted value fluctuates great and the error value is
large. Therefore, the disadvantage of wiener filter is that
it is difficult to meet the requirement of obtaining all the
observed data, and it cannot be used in the case of non-
stationary random processes with noise, and it is not
convenient to apply it in the case of vector. In addition,
the use of a linear shift-invariant Wiener filter will not be
optimum. In the future, we will use adaptive Wiener filter
to get ideal waveform
References
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Amdouri, O. Identification of hammerstein-wiener
systems with backlash input nonlinearity bordered
by straight lines. IFAC Proceedings Volumes, 2014,
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[2] Wills, A., Schön, T. B., Ljung, L., Ninness, B. Iden-
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[3] Brouri, A., Kadi, L., Slassi, S. Frequency identifica-
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[4] Hsu, Y. L., Wang, J. S. A Wiener-type recurrent neu-
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[5] Lacy, S. L., Erwin, R. S., Bernstein, D. S.. Identifi-
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[7] Zhou, L., Li, X., Pan, F. Least-squares-based iterative
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DOI: https://doi.org/10.30564/jcsr.v2i3.2135
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results and implications. Kindly ensure the abstract is self-contained and remains readable to a wider audience. The
abstract should also be kept to a maximum of 200 words.
Authors should also include 5-8 keywords after the abstract, separated by a semi-colon, avoiding the words already used
in the title of the article.
Abstract and keywords should be reflected as font size 14.
Ⅳ. Title
The title should not exceed 50 words. Authors are encouraged to keep their titles succinct and relevant.
Titles should be reflected as font size 26, and in bold type.
Ⅳ. Section Headings
Section headings, sub-headings, and sub-subheadings should be differentiated by font size.
Section Headings: Font size 22, bold type
Sub-Headings: Font size 16, bold type
Sub-Subheadings: Font size 14, bold type
Main Manuscript Outline
Ⅴ. Introduction
The introduction should highlight the significance of the research conducted, in particular, in relation to current state of
research in the field. A clear research objective should be conveyed within a single sentence.
Ⅵ. Methodology/Methods
In this section, the methods used to obtain the results in the paper should be clearly elucidated. This allows readers to be
able to replicate the study in the future. Authors should ensure that any references made to other research or experiments
should be clearly cited.
Ⅶ. Results
In this section, the results of experiments conducted should be detailed. The results should not be discussed at length in
26. this section. Alternatively, Results and Discussion can also be combined to a single section.
Ⅷ. Discussion
In this section, the results of the experiments conducted can be discussed in detail. Authors should discuss the direct and
indirect implications of their findings, and also discuss if the results obtain reflect the current state of research in the field.
Applications for the research should be discussed in this section. Suggestions for future research can also be discussed in
this section.
Ⅸ. Conclusion
This section offers closure for the paper. An effective conclusion will need to sum up the principal findings of the papers,
and its implications for further research.
Ⅹ. References
References should be included as a separate page from the main manuscript. For parts of the manuscript that have
referenced a particular source, a superscript (ie. [x]) should be included next to the referenced text.
[x] refers to the allocated number of the source under the Reference List (eg. [1], [2], [3])
In the References section, the corresponding source should be referenced as:
[x] Author(s). Article Title [Publication Type]. Journal Name, Vol. No., Issue No.: Page numbers. (DOI number)
Ⅺ. Glossary of Publication Type
J = Journal/Magazine
M = Monograph/Book
C = (Article) Collection
D = Dissertation/Thesis
P = Patent
S = Standards
N = Newspapers
R = Reports
Kindly note that the order of appearance of the referenced source should follow its order of appearance in the main manu-
script.
Graphs, Figures, Tables, and Equations
Graphs, figures and tables should be labelled closely below it and aligned to the center. Each data presentation type
should be labelled as Graph, Figure, or Table, and its sequence should be in running order, separate from each other.
Equations should be aligned to the left, and numbered with in running order with its number in parenthesis (aligned
right).
Ⅻ. Others
Conflicts of interest, acknowledgements, and publication ethics should also be declared in the final version of the manu-
script. Instructions have been provided as its counterpart under Cover Letter.
27. Bilingual Publishing Co. (BPC) is an international publisher of online, open access and scholarly peer-reviewed
journals covering a wide range of academic disciplines including science, technology, medicine, engineering,educa-
tion and social science. Reflecting the latest research from a broad sweep of subjects, our content is accessible world-
wide – both in print and online.
BPC aims to provide an analytics as well as platform for information exchange and discussion that help organizations
and professionals in advancing society for the betterment of mankind. BPC hopes to be indexed by well-known
databases in order to expand its reach to the science community, and eventually grow to be a reputable publisher
recognized by scholars and researchers around the world.
BPC adopts the Open Journal Systems, see on http://ojs.bilpublishing.com
Database Inclusion
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Infrastructure
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Citation Index
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