Various parameters in the industries can be monitored and controlled using CAN bus network integrated with Bluetooth Communication. Monitoring and controlling the industrial parameters involve a large amount of man power and time consumption. To overcome the need of huge man power and time consumption this technology was developed which makes use of single person for monitoring and controlling the entire network. This method has been implemented in order to reduce the usage of wires used for communication purpose and also to reduce the errors relating to the data transfer. In this project sensors are used to sense the variable industrial parameters and the CAN protocols are used for error free data transmission and data reception purpose along with Bluetooth, pic micro controllers are used for programming the CAN controller. The data transmission rate will be higher than other wireless systems. This application is user friendly and it can be achieved at a very low cost.
International Journal of Engineering Research and Applications (IJERA) aims to cover the latest outstanding developments in the field of all Engineering Technologies & science.
International Journal of Engineering Research and Applications (IJERA) is a team of researchers not publication services or private publications running the journals for monetary benefits, we are association of scientists and academia who focus only on supporting authors who want to publish their work. The articles published in our journal can be accessed online, all the articles will be archived for real time access.
Our journal system primarily aims to bring out the research talent and the works done by sciaentists, academia, engineers, practitioners, scholars, post graduate students of engineering and science. This journal aims to cover the scientific research in a broader sense and not publishing a niche area of research facilitating researchers from various verticals to publish their papers. It is also aimed to provide a platform for the researchers to publish in a shorter of time, enabling them to continue further All articles published are freely available to scientific researchers in the Government agencies,educators and the general public. We are taking serious efforts to promote our journal across the globe in various ways, we are sure that our journal will act as a scientific platform for all researchers to publish their works online.
Real time tracking based on gsm and ir module for running traineSAT Journals
Abstract
The manual process of filling and submission of the Outdoor Duty Forms is very common today. Also there are many alternatives available for automated process of remote attendance and data analysis. But there is no solution yet that provides the integrated solution for automation of all these process. We therefore came with the concept of an application that provides these services. This application is about automated process of Outdoor duty forms, remote attendance, submission of sales and marketing data and its analysis. The application will be designed for corporate usage. A database system will be maintained regarding the submission of data and this data will be used for further analysis and intelligent results.
Keywords: ODForms (Outdoor Duty Forms), BI (Business Intelligence), RFID (Radio Frequency Identification), RTO (Regional Transport Office), KPI (Key Point Indicators).
Various parameters in the industries can be monitored and controlled using CAN bus network integrated with Bluetooth Communication. Monitoring and controlling the industrial parameters involve a large amount of man power and time consumption. To overcome the need of huge man power and time consumption this technology was developed which makes use of single person for monitoring and controlling the entire network. This method has been implemented in order to reduce the usage of wires used for communication purpose and also to reduce the errors relating to the data transfer. In this project sensors are used to sense the variable industrial parameters and the CAN protocols are used for error free data transmission and data reception purpose along with Bluetooth, pic micro controllers are used for programming the CAN controller. The data transmission rate will be higher than other wireless systems. This application is user friendly and it can be achieved at a very low cost.
International Journal of Engineering Research and Applications (IJERA) aims to cover the latest outstanding developments in the field of all Engineering Technologies & science.
International Journal of Engineering Research and Applications (IJERA) is a team of researchers not publication services or private publications running the journals for monetary benefits, we are association of scientists and academia who focus only on supporting authors who want to publish their work. The articles published in our journal can be accessed online, all the articles will be archived for real time access.
Our journal system primarily aims to bring out the research talent and the works done by sciaentists, academia, engineers, practitioners, scholars, post graduate students of engineering and science. This journal aims to cover the scientific research in a broader sense and not publishing a niche area of research facilitating researchers from various verticals to publish their papers. It is also aimed to provide a platform for the researchers to publish in a shorter of time, enabling them to continue further All articles published are freely available to scientific researchers in the Government agencies,educators and the general public. We are taking serious efforts to promote our journal across the globe in various ways, we are sure that our journal will act as a scientific platform for all researchers to publish their works online.
Real time tracking based on gsm and ir module for running traineSAT Journals
Abstract
The manual process of filling and submission of the Outdoor Duty Forms is very common today. Also there are many alternatives available for automated process of remote attendance and data analysis. But there is no solution yet that provides the integrated solution for automation of all these process. We therefore came with the concept of an application that provides these services. This application is about automated process of Outdoor duty forms, remote attendance, submission of sales and marketing data and its analysis. The application will be designed for corporate usage. A database system will be maintained regarding the submission of data and this data will be used for further analysis and intelligent results.
Keywords: ODForms (Outdoor Duty Forms), BI (Business Intelligence), RFID (Radio Frequency Identification), RTO (Regional Transport Office), KPI (Key Point Indicators).
Development of Distributed Mains Monitoring and Switching System for Indus Co...iosrjce
Indus Complex at Raja Ramanna Centre for Advanced Technology (RRCAT) has two synchrotron
radiation sources, Indus-1 and Indus-2. Microtron is injector to both the machines which sends electron pulses
to the Booster. A new, microcontroller based, distributed mains monitoring and switching system is developed
for Indus complex. It facilitates remote monitoring and switching of AC power switches to various subsystems. It
includes interfacing with power switches/Miniature Circuit Breakers (MCBs) of Indus machine subsystems. This
work involves development of hardware, firmware for microcontroller, implementation of communication
protocol; LabVIEW based server and client application. The developed system allows remote monitoring and
switching of MCBs from main control room.
A remote monitoring system for a three phase 10-kva switchable distribution t...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
A remote monitoring system for a three phase 10-kva switchable distribution t...eSAT Journals
Abstract A Remote Monitoring System plays an important role in many applications. This paper proposes an innovative design about the development of remote monitoring system for a three-phase 10-kVA Switchable Distribution transformer with the help of a PIC microcontroller and Zigbee-based Wireless device. The PIC microcontroller from microchip helps in controlling the switching devices and monitoring the current, voltage and temperature of the transformer. The Zigbee-based wireless device is used as long range wireless communication between the modules. The information is transmitted point by point using Zigbee transmitter and receiver and is sent to the server module to check the state of the transformer. It has a data rate speed of 250 Kbps with minimum power consumption and has a transmission distances range from 10 to 100m. The data transmission rate is higher than other wireless systems. This is user friendly and can be achieved at low cost. This handles the transfer of parameters such as voltage, current and temperature as digital data from current transducers, voltage transformers and from temperature sensors to the server module through wireless communication. This system helps in reading sensor, controlling switches, monitoring and data protection. Key Words: Switchable Transformer, PIC Microcontroller and Zigbee
FPGA based synchronous multi-channel PWM generator for humanoid robot IJECEIAES
In this paper, synchronous multi-channel pulse width modulation (PWM) generator for driving servo motors of humanoid robot was proposed. In an application, the humanoid robot requires smooth and beautiful movement, therefore the PWM signal for each servo motor must be synchronized. Since microcontroller (slave) has no enough channels to generate synchronous PWMs for 32 servo motors, field programmable gate array (FPGA) was used as slave for the humanoid robot. The FPGA was controlled by microcontroller (master) using serial communication. Simulation results show the system can perform serial communication, synchronize, and convert data well. The system can also generate PWM simultaneously with accurate duty cycle and fix period of 20ms.
This presentation describes about UMTS major components Key features, NodeB, RNC, GGSN,MSC, SGSN,VLR,HLR, Charging function, UMTS base stations and info about UMTS number allocated for MS.
Nowadays every system is automated in order to face new challenges. In the present days, Automated systems have less manual operations, flexibility, reliability and accurate. Due to this demand, every field prefers automated control systems. Especially in the field of electronics automated systems are giving good performance in industries and on roads. The mechanical arrangement is arranged to the robot as a robotic car using solar energy. This project handles with two operations. One hand Autonomous, based on sensor application robotic car moves itself by avoiding an obstacle and to move in its paths. It explains the method of interfacing solar panel, relay circuit board, IR sensor to the car and how to send the command to the microcontroller to drive the car autonomously. On the other hand, it controls using BLUETOOTH modem, in order to control the robotic car using BLUETOOTH, the user has to send the predefined messages to the modem. When the modem receives these predefined messages, it intimates the same to the microcontroller. The microcontroller upon receiving the information from the modem acts in accordance with the message, making it a highly automated application.
Internet enebled data acquisition and device controleSAT Journals
Abstract This paper presents very simple and economical way to monitor and control boilers process used in chemical, pharmaceutical companies remotely with the help of internet. Microcontroller ATmega128 is used to which all sensors and devices are interfaced at its I/O pins. A Stand-Alone Ethernet Controller IC which handles most of the network protocol requirements ENC28J60 is interfaced to the microcontroller using SPI interface and acts as a communication media between microcontroller ATmega128 and remote user. The TCP/IP stack, application source code, and dynamic web page is stored in microcontroller ATmega128. Dynamic webpage is the key element which eliminates physical presence of user in the field and thus saves the labour time and money. Keywords: ATmega128, ENC28J60, TCP/IP, SPI interface, Dynamic webpage.
The Reyrolle 7SR157 Argus is a combined check and system synchronising relay designed to carry out controlled closing of a circuit breaker using measurements of the line and bus voltages. The relay will prevent closure of the circuit breaker if the differences in phase angle, slip frequency or magnitude of the voltages fall outside prescribed Limits.
It is a seminar presentation on GSM controlled wireless notice board, if facing any problem main me at rajneeshkumarsalgotra@gmail.com with subject GSM Wirelessnotice Board PPT _ Your Name
Development of Distributed Mains Monitoring and Switching System for Indus Co...iosrjce
Indus Complex at Raja Ramanna Centre for Advanced Technology (RRCAT) has two synchrotron
radiation sources, Indus-1 and Indus-2. Microtron is injector to both the machines which sends electron pulses
to the Booster. A new, microcontroller based, distributed mains monitoring and switching system is developed
for Indus complex. It facilitates remote monitoring and switching of AC power switches to various subsystems. It
includes interfacing with power switches/Miniature Circuit Breakers (MCBs) of Indus machine subsystems. This
work involves development of hardware, firmware for microcontroller, implementation of communication
protocol; LabVIEW based server and client application. The developed system allows remote monitoring and
switching of MCBs from main control room.
A remote monitoring system for a three phase 10-kva switchable distribution t...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
A remote monitoring system for a three phase 10-kva switchable distribution t...eSAT Journals
Abstract A Remote Monitoring System plays an important role in many applications. This paper proposes an innovative design about the development of remote monitoring system for a three-phase 10-kVA Switchable Distribution transformer with the help of a PIC microcontroller and Zigbee-based Wireless device. The PIC microcontroller from microchip helps in controlling the switching devices and monitoring the current, voltage and temperature of the transformer. The Zigbee-based wireless device is used as long range wireless communication between the modules. The information is transmitted point by point using Zigbee transmitter and receiver and is sent to the server module to check the state of the transformer. It has a data rate speed of 250 Kbps with minimum power consumption and has a transmission distances range from 10 to 100m. The data transmission rate is higher than other wireless systems. This is user friendly and can be achieved at low cost. This handles the transfer of parameters such as voltage, current and temperature as digital data from current transducers, voltage transformers and from temperature sensors to the server module through wireless communication. This system helps in reading sensor, controlling switches, monitoring and data protection. Key Words: Switchable Transformer, PIC Microcontroller and Zigbee
FPGA based synchronous multi-channel PWM generator for humanoid robot IJECEIAES
In this paper, synchronous multi-channel pulse width modulation (PWM) generator for driving servo motors of humanoid robot was proposed. In an application, the humanoid robot requires smooth and beautiful movement, therefore the PWM signal for each servo motor must be synchronized. Since microcontroller (slave) has no enough channels to generate synchronous PWMs for 32 servo motors, field programmable gate array (FPGA) was used as slave for the humanoid robot. The FPGA was controlled by microcontroller (master) using serial communication. Simulation results show the system can perform serial communication, synchronize, and convert data well. The system can also generate PWM simultaneously with accurate duty cycle and fix period of 20ms.
This presentation describes about UMTS major components Key features, NodeB, RNC, GGSN,MSC, SGSN,VLR,HLR, Charging function, UMTS base stations and info about UMTS number allocated for MS.
Nowadays every system is automated in order to face new challenges. In the present days, Automated systems have less manual operations, flexibility, reliability and accurate. Due to this demand, every field prefers automated control systems. Especially in the field of electronics automated systems are giving good performance in industries and on roads. The mechanical arrangement is arranged to the robot as a robotic car using solar energy. This project handles with two operations. One hand Autonomous, based on sensor application robotic car moves itself by avoiding an obstacle and to move in its paths. It explains the method of interfacing solar panel, relay circuit board, IR sensor to the car and how to send the command to the microcontroller to drive the car autonomously. On the other hand, it controls using BLUETOOTH modem, in order to control the robotic car using BLUETOOTH, the user has to send the predefined messages to the modem. When the modem receives these predefined messages, it intimates the same to the microcontroller. The microcontroller upon receiving the information from the modem acts in accordance with the message, making it a highly automated application.
Internet enebled data acquisition and device controleSAT Journals
Abstract This paper presents very simple and economical way to monitor and control boilers process used in chemical, pharmaceutical companies remotely with the help of internet. Microcontroller ATmega128 is used to which all sensors and devices are interfaced at its I/O pins. A Stand-Alone Ethernet Controller IC which handles most of the network protocol requirements ENC28J60 is interfaced to the microcontroller using SPI interface and acts as a communication media between microcontroller ATmega128 and remote user. The TCP/IP stack, application source code, and dynamic web page is stored in microcontroller ATmega128. Dynamic webpage is the key element which eliminates physical presence of user in the field and thus saves the labour time and money. Keywords: ATmega128, ENC28J60, TCP/IP, SPI interface, Dynamic webpage.
The Reyrolle 7SR157 Argus is a combined check and system synchronising relay designed to carry out controlled closing of a circuit breaker using measurements of the line and bus voltages. The relay will prevent closure of the circuit breaker if the differences in phase angle, slip frequency or magnitude of the voltages fall outside prescribed Limits.
It is a seminar presentation on GSM controlled wireless notice board, if facing any problem main me at rajneeshkumarsalgotra@gmail.com with subject GSM Wirelessnotice Board PPT _ Your Name
Notice Board is primary thing in any institution or organization or public utility places like bus stations, railway stations and parks. But sticking various notices day-to-day is a difficult process.
Due to increasing technology Automotive Electronics sector is now becoming more in demand. Most of luxurious vehicles consist of automatic controls of different parameters present in the car surrounding. As more and more latest applications are available on vehicle information system, therefore connection between the vehicle bus network and information system is now becoming a trend. Basically in automobile industries for communication, the CAN protocol is used. The proposed system presents the development and implementation of the digital driving system for a semi-autonomous vehicle for improving the driver vehicle interface and CAN provide technological development for future applications in vehicle’s information system. The proposed system is use to monitor driver’s behaviour, Drowsiness and Alcohol with the help of sensors. System contains controller block designed using ARM Cortex M-3, alcohol and sensors, CAN controller, GPS and GSM modules.
In recent years, rapid growth in the field of electronics and computer technology which makes the life simpler and faster. This development hits the automobile sector, which makes increases the systems in vehicle like infotainment system, safety system and security system. These systems are integrated to know the status of the vehicle for each and every second, this is done by means of different networking protocols. In this paper, the different network architecture and protocols are discussed and which is best suited for automobile in the current scenario.
Response time analysis of mixed messages in CANIJERA Editor
Controller Area Network (CAN) is a network protocol that allows multiple processors in a system to
communicate efficiently with each other. Microprocessors became small enough and powerful enough to start
appearing everywhere, not just inside personal computers. A CAN system sends messages using a serial bus
network, with the individual nodes (processors) in the network linked together in a daisy chain. Every node in
the system is equal to every other node. Any processor can send a message to any other processor, and if any
processor fails, the other systems in the machine will continue to work properly and communicate with each
other.In modern vehicle technology CAN is used to reduce point to point wiring harness for vehicle automation
and for data communication. To overcome the drawbacks of analog vehicle driving interface, this paper presents
the development and implementation of a digital driving system for a semi-autonomous vehicle to improve the
driver-vehicle interface. This offers increased flexibility and expandability. This system uses sensors to
measure temperature, distance from the other car, presence of alcohol in car, position monitoring, theft
monitoring and etc., and sends a warning signal to the driver if any of the parameter goes out of range to avoid
accidents. In addition to this if accident occurs in any remote area then using vibration sensor, accident is
detected and SMS is send immediately using GSM and preventing him from potentially getting into a serious
problems.
Design and Implementing Novel Independent Real-Time Software Programmable DAQ...Editor IJCATR
The crucial features of many demanding applications like industry and aerospace are data acquisition and telemetry. It is
vital to observe and analyse the real time performance, in launch vehicle systems,so that designs can be certified and tuneablefactors
could be regulated to intensification the act and competence. At present used DAQ structures are of augmented size, weight and turn out
to be exorbitant and power hungry. This article introduce a new mission-independent real time software programmable DAQ system
using multipurpose MCU and sigma delta ADCs are planned,taking into account size, weight, costand act without compromiseon
precision, firmness and drift act. Additional digital filtering steps are also added to progress the system act. This system isproficientfor
directconnectionswithdiverse pressure and temperature sensors whichinterfaces 32 low frequency channel and two high frequency
channels. The system planned operates in two modes; one is data acquisition mode and another is program mode. Operativepower
lesseningmethods and wireless interface protocol between diverse data acquisition modules is also affected upon as avenues for future
work.
Controller Area Network (CAN) Different TypesFebinShaji9
Controller Area Network (or CAN) is the latest communication system within the automotive world. At its simplest level, it can be thought of as a means of linking all the electronic systems within a vehicle together to allow them to communicate with each other
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Bus Data Acquisition and Remote Monitoring System Using Gsm & Can
1. IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
e-ISSN: 2278-1676,p-ISSN: 2320-3331, Volume 8, Issue 3 (Nov. - Dec. 2013), PP 88-92
www.iosrjournals.org
www.iosrjournals.org 88 | Page
Bus Data Acquisition and Remote Monitoring System Using Gsm
& Can
Narisetty Mallikarjuna Rao1
, H. Raghunatha Rao 2
1
PG Student (M. Tech), Dept. of ECE, Chirala Engineering College, Chirala , A.P, India
2
Associate Professor, Dept. of ECE, Chirala Engineering College, Chirala , A.P, India.
Abstract: Automotive industry uses CAN as the in-vehicle network (IVN) for the engine management, the body
electronics like door and roof control, air conditioning, and lightning, as well as for the entertainment control.
The American and the Far East passenger car manufacturers have also started implementing CAN-based car
automation. CAN networks used in engine management connect several electronic control units (ECUs). Most
of the passengers cars are equipped with CAN-based multiplex systems connecting body electronic ECUs. These
multiplex networks link door and roof control units as well as lighting control units and seat control units. The
different CAN-based IVNs are connected via gateways1. In many system designs, the gateway functionality is
implemented in the dashboard. The dashboard itself may equipped with a local CAN network connecting the
different displays and instruments.
Keywords: GSM, CAN, Adhoc Network; data acquisition; transmission network, Temperature monitoring.
I. Introduction
Many data acquisition systems are prerequisites to realizing equipment control, status monitoring and
fault diagnosis. The traditional signal acquisition systems are mostly by wire, i.e., the sensor connected
acquisition system by cable, when measuring point is dispersed and hidden, especially when we control and
monitor large complex equipment, it needs a large number of cumbersome cabling work, and each measurement
can only be concentrated in one area, otherwise, it has a very long connection cable, and a long connection cable
will introduce a large number of noise and interference [3-7].For the traditional wiring methods not only affect
the reliable operation of equipment, but also extend signal acquisition time, so it is difficult to meet safety
requirements. However, the signal acquisition system based on wireless transmission will be able to overcome
these shortcomings. The signal acquisition system based on wireless transmission is that the signals which
acquired from the sensor have A/D conversion and then transmitted to PC for processing through wireless
transmission. So we designed a signal acquisition system based on wireless transmission. Next, the system's
structure and principle, hardware and software are introduced.
This paper presents the design proposal of hardware and software of information terminal (a machine)
and wireless receiver module of multi-point short-range wireless data collection and transmission network as
shown in fig.1, which provides a low-powered and high-performance wireless data communication system.
Figure 1 An Example of Data Acquisition System
The intention behind the design of short-range wireless communication network is to provide short-distance
broadband wireless access to mobile environment or formulation of temporary network; it is the further
development of internet in mobile environment. The main advantage of short-range wireless communication
network is lower cost and more flexible use.
The signal acquisition system based on wireless transmission consists of a number of wireless
data acquisition units and a wireless data receiver unit, which can realize single path and multi-path signal
acquisition. The system's overall structure is shown in Fig 1.
2. Bus Data Acquisition And Remote Monitoring System Using Gsm & Can
www.iosrjournals.org 89 | Page
The wireless data acquisition unit includes data acquisition module and wireless transmission module. It
connects an external signal acquisition sensor. This unit acquires signals according to user's given sampling
frequency and points, and then transmits signal data to the receiver unit by wireless way.
In actual operation, the wireless data acquisition unit fixes near measured area through magnet or other
fixed ways, thus it can reduce the length of connecting cable between sensors and the acquisition system,
reduces the difficulty of cabling work, and increases the reliability of signal. All of the data transmitted by the
nodes will be collect by the central server and is displayed in a user friendly format. The Software is much
intelligent and generates signals on occurrence of fault to make the user attention. The wireless data receiver
unit mainly consists of a microcontroller and a wireless transmission module, which connects to the receiver
through zigbee, and communicates with wireless data acquisition units through wireless transmission. It receives
the data from other modules through CAN bus and transmits to receiver. The receiver then sends the status as
SMS through GSM modem.
II. Implementation of the Design
The wireless data acquisition unit includes several things like wireless transmission module and data
acquisition module. The data acquisition module consists of sensor power supply circuit, a micro controller,
A/D conversion chip, extended SRAM, watchdog circuit and power circuit.
Using wireless transmission module can realize Wireless communication. In order to shorten the
development cycle, we adopt single-chip radio frequency integrated circuit and a single ARM Controller. Zig-
bee is a specification for a suite of high level communication protocols using small, low-power digital radios
based on the IEEE 802.15.4,2006 standard for wireless personal area networks (WPANs),such as wireless
headphones connecting with cell phones via short-range radio
During the data acquisition module Circuit designing, taking into account the board size and power
consumption, we try to use low power and small package device. So we use The LPC2148 consists of an
ARM7TDMI-S CPU with emulation support, the ARM7 Local Bus for interface to on-chip memory controllers,
the AMBA Advanced High-performance Bus (AHB) for interface to the interrupt controller, and the VLSI
Peripheral Bus (VPB, a compatible superset of ARM’s AMBA Advanced Peripheral Bus) for connection to on-
chip peripheral functions. The LPC2148 configures the ARM7TDMI-S processor in little-endian byte order.
AHB peripherals are allocated a 2 megabyte range of addresses at the very top of the 4 gigabyte ARM memory
space. Each AHB peripheral is allocated a 16kB address space within the AHB address space.
Figure 2 The Design Scheme
As Shown in Figure 2, bus vehicle interior network structure can use topology bus network, all the electrical
systems nodes inside the bus vehicle are attached to the CAN bus through their own respective CAN
communication module. CAN / GSM Wireless Gateway not only be used to organize and coordinate all the
interior electrical systems nodes, but also can be used as internal and external communications data interface. It
gathered up the information from all the interior electrical systems nodes sent to the remote monitoring service
center via GSM wireless module.
Topology bus network structure can be used within bus vehicle interior network. The network use two
cables as a transmission medium. All the electrical system nodes connected directly to the CAN bus through the
corresponding hardware interface. All nodes share the same data channel. The message a node send out can be
received multiple nodes on the CAN bus. The bus vehicle interior topology network is as shown in Figure 3.
Taking CAN nodes’ performance and cost into account, using ST's STM32F103RBT6 chip, its internal
integrated CAN module, support CAN protocol 2.0A and 2.0B active mode, baud rate up to 1 Mbit / sec.
3. Bus Data Acquisition And Remote Monitoring System Using Gsm & Can
www.iosrjournals.org 90 | Page
Figure 3 Interior Topology Network
It has been designed to manage high number of incoming messages efficiently with a minimum CPU load. It
also meets the priority requirements for transmit messages. In today’s CAN applications, the number of nodes in
a network is increasing and often several networks are linked together via gateways. Typically the number of
messages in the system (and thus to be handled by each node) has significantly increased. the diagram of CAN
node hardware circuit is as shown in Figure 4.
Figure 4 Hardware Circuit
The block diagram of the implemented system is shown in Fig.5. CAN node can send and receive data on CAN
bus, through drivers program, so that multimedia information systems can be used on bus as possible. CAN
node can receive control commands from other nodes, as well as send useful information to the CAN bus.
Initialization: To enter Initialization mode the software sets the INRQ bit in the CAN_MCR register and waits
until the hardware has confirmed the request by setting the INAK bit in the CAN_MSR register. To leave
Initialization mode, the software clears the INQR bit. beCAN has left Initialization mode once the INAK bit has
been cleared by hardware. However the Rx line has to be in recessive state to leave this mode. While in
Initialization mode, all message transfers to and from the CAN bus are stopped and the status of the CAN bus
output CANTX is recessive (high).Entering Initialization Mode does not change any of theconfiguration
registers.To initialize the CAN Controller,software has to set up the Bit Timing registers and the filter banks. If
a filter bank is not used, it is recommended to leave it non active (leave the corresponding FACT bit in the
CAN_FCRx register cleared).
Transmission handling:
a) In order to transmit a message, the application must select one empty transmit mailbox, set up the identifier,
the data length code (DLC) and the data before requesting the transmission by setting the corresponding TXRQ
bit in the CAN_MCSR register. Once the mailbox has left empty state, the software no longer has write access
to the mailbox registers. Immediately after the TXRQ bit has been set, the mailbox enters pending state and
waits to become the highest priority mailbox, see Transmit Priority. As soon as the mailbox has the highest
priority it will be scheduled for transmission. The transmission of the message of the scheduled mailbox will
start (enter transmit state) when the CAN bus becomes idle. Once the mailbox has been successfully transmitted,
it will become empty again. The hardware indicates a successful transmission by setting the RQCP and TXOK
bits in the CAN_MCSR and CAN_TSR registers.
b) If the transmission fails, the cause is indicated by the ALST bit in the CAN_MCSR register in case of an
Arbitration Lost, and/or the TERR bit, in case of transmission error detection.
c) A transmission request can be aborted by the user setting the ABRQ bit in the CAN_MCSR register. In
pending or scheduled state, the mailbox is aborted immediately. An abort request while the mailbox is in
transmit state can have two results. If the mailbox is transmitted successfully the mailbox becomes empty with
the TXOK bit set in the CAN_MCSR and CAN_TSR registers. If the transmission fails, the mailbox becomes
scheduled, the transmission is aborted and becomes empty with TXOK cleared. In all cases the mailbox will
become empty again at least at the end of the current transmission.
4. Bus Data Acquisition And Remote Monitoring System Using Gsm & Can
www.iosrjournals.org 91 | Page
Figure 5 Block diagram of the system
The same Procedure is followed for reception of the signals. It is explained in the following lines.
a) For the reception of CAN messages, three mailboxes organized as a FIFO are provided. In order to save CPU
load, simplify the software and guarantee data consistency, the FIFO is managed completely by hardware. The
application accesses the messages stored in the FIFO through the FIFO output mailbox.
b) A received message is considered as valid when it has been received correctly according to the CAN protocol
(no error until the last but one bit of the EOF field) and It passed through the identifier filtering successfully.
c) On the storage of the first message in the FIFO - FMP[1:0] bits change from 0b00 to 0b01 -an interrupt is
generated if the FMPIE bit in the CAN_IER register is set. When the FIFO becomes full (i.e. a third message is
stored) the FULL bit in the CAN_RFR register is set and an interrupt is generated if the FFIE bit in the
CAN_IER register is set. On overrun condition, the FOVR bit is set and an interrupt is generated if the FOVIE
bit in the CAN_IER register is set.
III. Results & Conclusions
In this paper the design and development of A low-powered and high-performance wireless data
communication system was designed with the principle of CAN-GSM and ARM7 series of single-chip
computer as the core hardware are demonstrated. An available solution to the wireless data communications was
put forward, and this solution was good at stronger real-time response, higher reliability requirement and smaller
data amount, which is widely applied various fields such as data communications, environmental monitoring
and security Guard System.
Figure 6 Designed Data acquisition system
Figure 7 Output Section Display Unit
5. Bus Data Acquisition And Remote Monitoring System Using Gsm & Can
www.iosrjournals.org 92 | Page
Figure 8 Output at the Mobile Base station
Acknowledgements
The authors would like to thank the anonymous reviewers for their comments which were very helpful
in improving the quality and presentation of this paper.
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Authors Profile:
Narisetty Mallikarjuna Rao is a PG Student. He is pursuing his M.Tech degree from Dept. of
ECE, Chirala Engineering College, Chirala with specialization in VLSI & Embadded Systems.
H. RAGHUNATHA RAO is working as an Associate Professor in the department of Electronics
& Communication Engineering in Chirala Engineering College, Chirala. completed masters from
JNTUK. He has over 14years of teaching experience.