This document summarizes a research project that developed a system to generate electricity from human footsteps using piezoelectric sensors. The system uses 8 piezoelectric sensors installed in shoe soles that convert mechanical energy from foot pressure into electrical energy. This energy is stored in a capacitor and can be used to charge batteries or power devices through a USB port. The researchers conducted experiments showing the system can generate 0.3-0.5 volts of electricity from walking. The summary provides an overview of how piezoelectric sensors work and reviews prior related studies on energy harvesting from human motion.
IRJET- Advanced Footstep Power Generation System using RFID for ChargingIRJET Journal
The document proposes an advanced footstep power generation system that uses piezoelectric sensors mounted below a platform to generate voltage from footsteps and charge a battery. A microcontroller-based monitoring circuit allows users to monitor the battery charge level on an LCD display and charge mobile phones via USB. The system utilizes RFID cards to authorize charging and distribute power only to authorized users of the footstep-powered generator.
Electricity Generation Tiles Using Piezoelectric SensorIRJET Journal
This document describes a system for generating electricity using piezoelectric sensors in tiles. When people walk on the tiles, the pressure exerted is converted to voltage by the piezoelectric sensors. This voltage is then stored in batteries. Key components of the system include piezoelectric sensor tiles, voltage regulators, diodes, an RFID module, and an Arduino microcontroller. The tiles contain multiple piezoelectric sensors connected in a series-parallel configuration. Testing showed a linear relationship between a person's weight and the power generated. The stored energy could power devices like street lights or charge mobile phones using an RFID reader. The system provides an environmentally friendly way to generate electricity from human foot traffic.
IRJET- Harnessing the Energy Generated from Staircase using Piezoelectric...IRJET Journal
This document discusses harnessing energy from staircases using piezoelectric technology. Piezoelectric materials produce electrical energy from mechanical stress. The document proposes attaching piezoelectric crystals to staircases to convert the dynamic pressure of human footsteps into electricity. The electricity generated would be collected and used to charge batteries. It describes the system in detail, including a rectifier to convert the AC output of the crystals to DC, a boost converter to increase the voltage, and an inverter to convert the DC to AC. Simulations and a potential hardware setup are presented. The system could harness wasted energy from high traffic areas like train stations to power small loads.
IRJET - Efficient Energy Harvesting and Reusing SystemIRJET Journal
The document describes a proposed system to efficiently harvest and reuse energy from human footfalls. Piezoelectric sensors placed under walking surfaces like floors or pavements would convert the kinetic energy of footsteps into electrical energy. This energy would be stored using a boost converter to increase the voltage before storing it in batteries. An inverter would then convert the stored DC energy into AC power that can be used to power devices. The system aims to address rising energy demands by utilizing wasted kinetic energy from walking. It could be implemented in populated areas to passively generate electricity from human foot traffic.
IRJET- Electrical Vehicle Charging by Electromagnetic Induction Via Loosely C...IRJET Journal
This document discusses a proposed method for wirelessly charging electric vehicles using electromagnetic induction through loosely coupled coils. The system would involve large buses traveling along highways and roads that are equipped with transmitting coils that can inductively charge receiving coils in electric vehicles as they pass by or follow the bus. The document outlines the basic components and design of such a wireless charging system, including transmitter and receiver circuits that use resonant magnetic coupling between coils tuned to the same frequency to transfer power over short distances. It also reviews some of the benefits of wireless charging systems and opportunities for further research on electric vehicle charging applications.
Iaetsd electric power generation using piezoelectric crystalIaetsd Iaetsd
The document discusses using piezoelectric crystals to generate electric power. Piezoelectric materials can convert ambient vibration into electrical power. When mechanical stress is applied, piezoelectric crystals generate electrical potentials that can be harvested as a source of power. The document proposes using piezoelectric generators placed under foot traffic areas or attached to moving objects to capture kinetic energy and convert it into usable electric power through a voltage conversion and regulation process. Experimental results showed piezoelectric generators were able to charge a battery and power small electronic devices.
Wireless Power Transmission for Mobile ChargingIRJET Journal
1) The document describes a wireless power transmission system for mobile charging using electromagnetic induction. It avoids the need to carry chargers by allowing devices to charge wirelessly.
2) The system consists of a transmitter coil powered by a circuit to produce alternating current, and a receiver coil in the mobile device. The changing magnetic field in the transmitter coil induces a voltage in the nearby receiver coil to charge the battery.
3) Several components are used including a transformer, rectifier, filter, and microcontroller to generate a 1kHz PWM signal driving the transmitter coil. This creates a changing magnetic field that can inductively power a receiver coil and charge a mobile device without wires.
Enhanced DC to DC Converter using Photovoltaic Micro InverterIRJET Journal
This document describes a proposed enhanced DC to DC converter using a photovoltaic micro inverter. The system includes a solar panel that provides DC power to a boost converter. The boost converter increases the voltage and provides power to an H-bridge inverter that converts the DC to an AC waveform. The AC power is then filtered and can be connected to the electric grid. The document outlines the components of the system, provides simulation results of the converter and inverter, and discusses the hardware prototype. It is concluded that the micro inverter design can effectively increase the input voltage from the solar panel and interface with the grid to provide backup or supplemental power.
IRJET- Advanced Footstep Power Generation System using RFID for ChargingIRJET Journal
The document proposes an advanced footstep power generation system that uses piezoelectric sensors mounted below a platform to generate voltage from footsteps and charge a battery. A microcontroller-based monitoring circuit allows users to monitor the battery charge level on an LCD display and charge mobile phones via USB. The system utilizes RFID cards to authorize charging and distribute power only to authorized users of the footstep-powered generator.
Electricity Generation Tiles Using Piezoelectric SensorIRJET Journal
This document describes a system for generating electricity using piezoelectric sensors in tiles. When people walk on the tiles, the pressure exerted is converted to voltage by the piezoelectric sensors. This voltage is then stored in batteries. Key components of the system include piezoelectric sensor tiles, voltage regulators, diodes, an RFID module, and an Arduino microcontroller. The tiles contain multiple piezoelectric sensors connected in a series-parallel configuration. Testing showed a linear relationship between a person's weight and the power generated. The stored energy could power devices like street lights or charge mobile phones using an RFID reader. The system provides an environmentally friendly way to generate electricity from human foot traffic.
IRJET- Harnessing the Energy Generated from Staircase using Piezoelectric...IRJET Journal
This document discusses harnessing energy from staircases using piezoelectric technology. Piezoelectric materials produce electrical energy from mechanical stress. The document proposes attaching piezoelectric crystals to staircases to convert the dynamic pressure of human footsteps into electricity. The electricity generated would be collected and used to charge batteries. It describes the system in detail, including a rectifier to convert the AC output of the crystals to DC, a boost converter to increase the voltage, and an inverter to convert the DC to AC. Simulations and a potential hardware setup are presented. The system could harness wasted energy from high traffic areas like train stations to power small loads.
IRJET - Efficient Energy Harvesting and Reusing SystemIRJET Journal
The document describes a proposed system to efficiently harvest and reuse energy from human footfalls. Piezoelectric sensors placed under walking surfaces like floors or pavements would convert the kinetic energy of footsteps into electrical energy. This energy would be stored using a boost converter to increase the voltage before storing it in batteries. An inverter would then convert the stored DC energy into AC power that can be used to power devices. The system aims to address rising energy demands by utilizing wasted kinetic energy from walking. It could be implemented in populated areas to passively generate electricity from human foot traffic.
IRJET- Electrical Vehicle Charging by Electromagnetic Induction Via Loosely C...IRJET Journal
This document discusses a proposed method for wirelessly charging electric vehicles using electromagnetic induction through loosely coupled coils. The system would involve large buses traveling along highways and roads that are equipped with transmitting coils that can inductively charge receiving coils in electric vehicles as they pass by or follow the bus. The document outlines the basic components and design of such a wireless charging system, including transmitter and receiver circuits that use resonant magnetic coupling between coils tuned to the same frequency to transfer power over short distances. It also reviews some of the benefits of wireless charging systems and opportunities for further research on electric vehicle charging applications.
Iaetsd electric power generation using piezoelectric crystalIaetsd Iaetsd
The document discusses using piezoelectric crystals to generate electric power. Piezoelectric materials can convert ambient vibration into electrical power. When mechanical stress is applied, piezoelectric crystals generate electrical potentials that can be harvested as a source of power. The document proposes using piezoelectric generators placed under foot traffic areas or attached to moving objects to capture kinetic energy and convert it into usable electric power through a voltage conversion and regulation process. Experimental results showed piezoelectric generators were able to charge a battery and power small electronic devices.
Wireless Power Transmission for Mobile ChargingIRJET Journal
1) The document describes a wireless power transmission system for mobile charging using electromagnetic induction. It avoids the need to carry chargers by allowing devices to charge wirelessly.
2) The system consists of a transmitter coil powered by a circuit to produce alternating current, and a receiver coil in the mobile device. The changing magnetic field in the transmitter coil induces a voltage in the nearby receiver coil to charge the battery.
3) Several components are used including a transformer, rectifier, filter, and microcontroller to generate a 1kHz PWM signal driving the transmitter coil. This creates a changing magnetic field that can inductively power a receiver coil and charge a mobile device without wires.
Enhanced DC to DC Converter using Photovoltaic Micro InverterIRJET Journal
This document describes a proposed enhanced DC to DC converter using a photovoltaic micro inverter. The system includes a solar panel that provides DC power to a boost converter. The boost converter increases the voltage and provides power to an H-bridge inverter that converts the DC to an AC waveform. The AC power is then filtered and can be connected to the electric grid. The document outlines the components of the system, provides simulation results of the converter and inverter, and discusses the hardware prototype. It is concluded that the micro inverter design can effectively increase the input voltage from the solar panel and interface with the grid to provide backup or supplemental power.
This document summarizes a research paper on a proposed wireless charged inverter. The proposed inverter uses wireless power transmission to charge its battery, eliminating power losses during transmission. It consists of an electrical power transmission circuit, electrical power receiving circuit, voltage regulator, and inverter battery. The transmission circuit transmits AC power wirelessly through induction coils to the receiving circuit. This circuit rectifies the induced power and charges the inverter battery. The inverter then converts the DC battery power to a pure sine wave AC output. Advantages include efficient transmission and a backup power solution. Future applications of wireless power transmission technology are also discussed.
This document is a thesis submitted by Adarsha Pattnayak for the partial fulfillment of a diploma in electrical engineering. It proposes a footstep power generation system that uses piezoelectric sensors to convert the mechanical energy from footsteps into electrical energy. When pressure is applied to the piezoelectric sensors, an alternating current voltage is generated. This voltage is then rectified using a diode bridge to convert it to direct current, which is stored in a capacitor. The stored electrical energy can then be used to power small devices or supplement other power sources. The system aims to harness wasted footstep energy in crowded public places to generate electricity.
Project Power Shoe: Piezoelectric Wireless Power Transfer - A Mobile Chargin...Shayan Pervez
When a person walks, pressure is exerted on the
ground and this pressure can be converted into electrical energy
and it can be used to power electronic devices. In this paper a
Mobile charging system is designed. A piezo electric generator is
placed in the shoe. The power that is generated by piezo electric
generator when a person walks is transferred to the device by
using a mid-range wireless power transfer (WPT) which is a
Resonance coupling technique.
For application of PV systems, a major deterrent factor in their use is high initial investment. A focus has therefore been placed on new, cheap and innovative inverter solutions. As a result of this, a single stage inverter topology and a new configuration are proposed. In two stage circuit, the first stage takes care of MPPT and boosting the PV voltage while second stage inverts the first stage output into the required AC form. A two stage configuration has drawbacks such as high part count, lower efficiency, lower reliability, high cost and large size. These drawbacks are overcome by the circuit proposed in this paper. The new inverter circuit proposed in this paper is designed and simulated in a simulation environment. The improved topology increases the voltage, reduces the power loss and enhances the various electrical parameters. This enhancement and improvement of electrical quantities is explained with the help of different formulae and figures. With the use of this improve circuitry; the efficiency of the PV Array can be increased. The proposed inverter design and its implementation are given with operational results.
The document is a project report on wireless power transfer submitted by a group of 5 students for their Bachelor of Engineering degree. It describes the design, modelling, prototyping and testing of a circuit to demonstrate wireless power transfer through inductive coupling between transmitter and receiver coils. The report includes chapters on the working principle, circuit design and analysis using software, engineering economics, comparison with other wireless power transfer methods and conclusions.
IRJET- Power Generation using PZT for Auto Street Lightning SystemIRJET Journal
This document discusses a system to generate power for street lighting using piezoelectric materials. When vehicles drive over piezoelectric sensors embedded in roads, the pressure generates electric charge which is stored in batteries. The stored power is then used to automatically operate street lights as needed. Piezoelectric materials like lead zirconium titanate (PZT) convert mechanical energy from vehicle motion into electrical energy. The document describes the piezoelectric effect and discusses connecting multiple PZT sensors in series and parallel to increase output voltage and current. It presents the system design, including an energy storage circuit, inverter, and automatic light control based on vehicle detection. The system aims to provide renewable power for street lighting in
Smart Wireless Battery Charger with Charging Monitor: A ReviewIRJET Journal
This document describes a smart wireless battery charger system with charging monitoring capabilities. The system uses an AVR microcontroller to constantly measure the battery charge level and automatically charge the battery until it is fully charged, at which point charging is stopped. An electronic ballast circuit scales a 230V AC supply down to 12V AC which is sent through an air core transformer. The secondary coil induces a magnetic field that wirelessly transmits power to another coil connected to the microcontroller. The microcontroller then monitors and controls the charging process. This wireless charging system can be used to charge batteries for various devices like electric vehicles.
Design and Fabrication of Bladeless Wind Power GenerationIRJET Journal
The document describes the design and fabrication of a bladeless wind turbine. Some key issues with traditional wind turbines include high costs, large space requirements, and safety issues. The proposed design aims to address these by using a mast that vibrates at its resonant frequency when struck by wind, without any blades. Piezoelectric sensors convert the vibrations into electric current. Computational fluid dynamics simulations show that wind speeds of 40m/s will exert enough force on the mast to cause vibration. The design offers advantages like lower costs, ability to operate at lower wind speeds, reduced maintenance needs, and improved safety.
Review Paper on Wireless Power Transmission by using Inductive Coupling for D...IRJET Journal
This document summarizes wireless power transmission using inductive coupling for different applications. It discusses how an alternating current in a transmitter coil generates a magnetic field which induces a voltage in a receiver coil. This induced voltage can be used to power mobile devices or charge batteries wirelessly. The document then reviews inductive coupling technology and compares various wireless power transfer methods. It presents practical results of a wireless mobile phone charger, LED lighting, and a DC fan operating without wires by using inductive coupling to transmit power. The document concludes that wireless power transmission through inductive coupling is an efficient means of transferring power without wires and has many potential applications.
Power Generation Using Piezoelectric TransducerIJERA Editor
The most basic need of today’s world is energy which is non-renewable source of energy available on earth. The
need is increasing day by day, to overcome this there is requirement of energy harvesting. This paper attempts
to show how man has been utilizing and optimizing kinetic energy. Current work also illustrates the working
principle of piezoelectric crystal and various sources of vibration for the crystal. “The idea of energy harvesting
is applicable to sensors as well as transducers that are placed and operated on some entities for a long time to
replace the sensor module batteries. Such sensors are commonly called self-powered sensors.” Embarked
piezoelectric transducer, which is an electromechanical converter, undergoes mechanical vibrations therefore
produce electricity. This power source has many applications as in agriculture, home application and street
lighting and as energy source for sensors in remote locations
WIRELESS MOBiLE CHARGER USING MUTUAL INDUCTIONIRJET Journal
This document proposes a wireless mobile phone charger using mutual induction. It discusses how traditional wired phone chargers have issues like cable damage. The proposed wireless charger would eliminate these problems by charging phones remotely without wires. It describes the transmitter and receiver circuit designs which use a primary coil, secondary coil, and mutual induction to wirelessly transmit power for charging. The conclusion states that wireless charging provides convenience over traditional wired charging and its technology is advancing to replace conductive systems and bring more comfort to mobile phone users.
Foot Step Power Generation System using Electronic DeviceIRJET Journal
This document describes a system that generates electricity from human foot steps using piezoelectric materials. Piezoelectric materials produce an electric charge when mechanical stress is applied. The system places piezoelectric tiles on floors in areas with heavy foot traffic like homes, schools, and malls. When people walk on the tiles, the mechanical energy from their steps is converted to electrical energy by the piezoelectric effect. The generated electricity can be stored in batteries and used to power small electronic devices, providing a way to harness wasted mechanical energy from human movement. The document discusses using piezoelectric ceramics and connecting multiple tiles in series and parallel configurations to increase voltage and current output for more effective energy collection and storage
This work describes the recent advancements in piezoelectric energy harvesting concepts for smart city applications. Several works have been reported which discussed the detailed design and use of different piezoelectric materials to harvest energy from vibration. In the smart city context there are many opportunities to convert mechanical to electrical such as human motion, sounds, machines and streets. Researchers have studied the factors that affect the amount of the output generated power from various sources to determine its efficiency. Effect of harvester structure, material that is used in fabricating the harvester mobility of human in its location, and other factors have been studied. Efficiency of piezoelectric harvesters is an essential parameter to judge the performance of the prototype for the betterment of energy resources. Yusra Wangde | Pranay Mendhe | Daniya Soparker | Vicky Gupta | Prof. Jyoti Dange ""Voltage Generation using Piezo-Crystals"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd23440.pdf
Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/23440/voltage-generation-using-piezo-crystals/yusra-wangde
In this presentation, basics of solar cells, what is piezoelectricity and its application, followed by basics of thermoelectricity and its application would be discussed.
IRJET- VSI based Standalone PV Generation System using Super-Capacitor to Dri...IRJET Journal
This document describes a standalone photovoltaic system that uses a solar panel, DC-DC converter, and single-phase inverter to drive an induction motor. The solar panel converts sunlight to electrical energy in the form of DC voltage. A DC-DC converter boosts the voltage as needed. An inverter then converts the DC to AC voltage using pulse width modulation to power the induction motor. A capacitor bank at the output of the DC-DC converter filters the voltage before it reaches the inverter. The system provides a reliable electricity source for remote and rural areas using a renewable energy source that has no emissions or noise.
This document describes a footstep power generation system developed by a group of students. The system uses piezoelectric sensors to capture energy from human footfalls and convert it to electrical energy. An Arduino microcontroller is used to regulate and store the generated voltage in a battery. The highest voltage generated was 8.29V, which can be used to charge mobile phones or other devices. The system provides a renewable energy source and has potential applications in places with high foot traffic like railway stations.
DC-AC Inverter using SRF Hysteresis Current Controller for Interfacing Photo-...IRJET Journal
This document describes a DC-AC inverter using a synchronous reference frame (SRF) hysteresis current controller to interface a photovoltaic (PV) source to the AC grid. The system consists of a PV source, boost converter, and inverter connected to a load. An SRF-based hysteresis current controller is used to regulate the inverter output current and minimize total harmonic distortion. It converts the measured load currents to a rotating reference frame to extract the fundamental components as DC signals. Simulation results show the controller effectively regulates current and eliminates harmonics from a nonlinear load, allowing the PV system to support a 3 kW load.
IRJET-Wireless Power Transmission from Solar InputIRJET Journal
1) The document describes a wireless power transmission system that uses solar power as the input source.
2) It uses a high step-up DC-DC converter to boost the low voltage solar output. This is then converted to high frequency AC using a class E amplifier.
3) The high frequency signal is wirelessly transmitted through resonant coupling between transmitting and receiving coils. The receiver uses rectification to convert the signal back to DC for use by the load.
IRJET- Solar based User Adjustable Multi-Purpose Frequency InverterIRJET Journal
This document summarizes a research paper on a portable solar-based user adjustable multi-purpose frequency inverter. The inverter can operate on variable frequency defined by the user and works with a 10W solar panel or 12V battery. It uses an IC and MOSFETs to boost the input voltage to 230V to power bulbs. The inverter is compact, low-cost, and can be embedded in lamps and fans. It was found to be most efficient between 20-25W loads, allowing continuous operation for hours without solar when the load is reduced.
Comparing Strain gauges to Piezoelectric SensorsTacuna Systems
This document compares and contrasts strain gauge sensors and piezoelectric sensors. Strain gauge sensors detect force by measuring changes in electrical resistance caused by elastic deformation, while piezoelectric sensors generate an electric charge in response to an applied force or pressure due to the piezoelectric effect. Both sensor types are widely used but have differences in factors like resolution, accuracy, temperature sensitivity, loading conditions, and more. The document provides details on the operating principles, materials, fabrication methods, designs, and characteristics of each sensor type.
TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
1) The document discusses the Sungal Tunnel project in Jammu and Kashmir, India, which is being constructed using the New Austrian Tunneling Method (NATM).
2) NATM involves continuous monitoring during construction to adapt to changing ground conditions, and makes extensive use of shotcrete for temporary tunnel support.
3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
This study examines the effect of response reduction factors (R factors) on reinforced concrete (RC) framed structures through nonlinear dynamic analysis. Three RC frame models with varying heights (4, 8, and 12 stories) were analyzed in ETABS software under different R factors ranging from 1 to 5. The results showed that displacement increased as the R factor decreased, indicating less linear behavior for lower R factors. Drift also decreased proportionally with increasing R factors from 1 to 5. Shear forces in the frames decreased with higher R factors. In general, R factors of 3 to 5 produced more satisfactory performance with less displacement and drift. The displacement variations between different building heights were consistent at different R factors. This study evaluated how R factors influence
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This document summarizes a research paper on a proposed wireless charged inverter. The proposed inverter uses wireless power transmission to charge its battery, eliminating power losses during transmission. It consists of an electrical power transmission circuit, electrical power receiving circuit, voltage regulator, and inverter battery. The transmission circuit transmits AC power wirelessly through induction coils to the receiving circuit. This circuit rectifies the induced power and charges the inverter battery. The inverter then converts the DC battery power to a pure sine wave AC output. Advantages include efficient transmission and a backup power solution. Future applications of wireless power transmission technology are also discussed.
This document is a thesis submitted by Adarsha Pattnayak for the partial fulfillment of a diploma in electrical engineering. It proposes a footstep power generation system that uses piezoelectric sensors to convert the mechanical energy from footsteps into electrical energy. When pressure is applied to the piezoelectric sensors, an alternating current voltage is generated. This voltage is then rectified using a diode bridge to convert it to direct current, which is stored in a capacitor. The stored electrical energy can then be used to power small devices or supplement other power sources. The system aims to harness wasted footstep energy in crowded public places to generate electricity.
Project Power Shoe: Piezoelectric Wireless Power Transfer - A Mobile Chargin...Shayan Pervez
When a person walks, pressure is exerted on the
ground and this pressure can be converted into electrical energy
and it can be used to power electronic devices. In this paper a
Mobile charging system is designed. A piezo electric generator is
placed in the shoe. The power that is generated by piezo electric
generator when a person walks is transferred to the device by
using a mid-range wireless power transfer (WPT) which is a
Resonance coupling technique.
For application of PV systems, a major deterrent factor in their use is high initial investment. A focus has therefore been placed on new, cheap and innovative inverter solutions. As a result of this, a single stage inverter topology and a new configuration are proposed. In two stage circuit, the first stage takes care of MPPT and boosting the PV voltage while second stage inverts the first stage output into the required AC form. A two stage configuration has drawbacks such as high part count, lower efficiency, lower reliability, high cost and large size. These drawbacks are overcome by the circuit proposed in this paper. The new inverter circuit proposed in this paper is designed and simulated in a simulation environment. The improved topology increases the voltage, reduces the power loss and enhances the various electrical parameters. This enhancement and improvement of electrical quantities is explained with the help of different formulae and figures. With the use of this improve circuitry; the efficiency of the PV Array can be increased. The proposed inverter design and its implementation are given with operational results.
The document is a project report on wireless power transfer submitted by a group of 5 students for their Bachelor of Engineering degree. It describes the design, modelling, prototyping and testing of a circuit to demonstrate wireless power transfer through inductive coupling between transmitter and receiver coils. The report includes chapters on the working principle, circuit design and analysis using software, engineering economics, comparison with other wireless power transfer methods and conclusions.
IRJET- Power Generation using PZT for Auto Street Lightning SystemIRJET Journal
This document discusses a system to generate power for street lighting using piezoelectric materials. When vehicles drive over piezoelectric sensors embedded in roads, the pressure generates electric charge which is stored in batteries. The stored power is then used to automatically operate street lights as needed. Piezoelectric materials like lead zirconium titanate (PZT) convert mechanical energy from vehicle motion into electrical energy. The document describes the piezoelectric effect and discusses connecting multiple PZT sensors in series and parallel to increase output voltage and current. It presents the system design, including an energy storage circuit, inverter, and automatic light control based on vehicle detection. The system aims to provide renewable power for street lighting in
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This document describes a smart wireless battery charger system with charging monitoring capabilities. The system uses an AVR microcontroller to constantly measure the battery charge level and automatically charge the battery until it is fully charged, at which point charging is stopped. An electronic ballast circuit scales a 230V AC supply down to 12V AC which is sent through an air core transformer. The secondary coil induces a magnetic field that wirelessly transmits power to another coil connected to the microcontroller. The microcontroller then monitors and controls the charging process. This wireless charging system can be used to charge batteries for various devices like electric vehicles.
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The document describes the design and fabrication of a bladeless wind turbine. Some key issues with traditional wind turbines include high costs, large space requirements, and safety issues. The proposed design aims to address these by using a mast that vibrates at its resonant frequency when struck by wind, without any blades. Piezoelectric sensors convert the vibrations into electric current. Computational fluid dynamics simulations show that wind speeds of 40m/s will exert enough force on the mast to cause vibration. The design offers advantages like lower costs, ability to operate at lower wind speeds, reduced maintenance needs, and improved safety.
Review Paper on Wireless Power Transmission by using Inductive Coupling for D...IRJET Journal
This document summarizes wireless power transmission using inductive coupling for different applications. It discusses how an alternating current in a transmitter coil generates a magnetic field which induces a voltage in a receiver coil. This induced voltage can be used to power mobile devices or charge batteries wirelessly. The document then reviews inductive coupling technology and compares various wireless power transfer methods. It presents practical results of a wireless mobile phone charger, LED lighting, and a DC fan operating without wires by using inductive coupling to transmit power. The document concludes that wireless power transmission through inductive coupling is an efficient means of transferring power without wires and has many potential applications.
Power Generation Using Piezoelectric TransducerIJERA Editor
The most basic need of today’s world is energy which is non-renewable source of energy available on earth. The
need is increasing day by day, to overcome this there is requirement of energy harvesting. This paper attempts
to show how man has been utilizing and optimizing kinetic energy. Current work also illustrates the working
principle of piezoelectric crystal and various sources of vibration for the crystal. “The idea of energy harvesting
is applicable to sensors as well as transducers that are placed and operated on some entities for a long time to
replace the sensor module batteries. Such sensors are commonly called self-powered sensors.” Embarked
piezoelectric transducer, which is an electromechanical converter, undergoes mechanical vibrations therefore
produce electricity. This power source has many applications as in agriculture, home application and street
lighting and as energy source for sensors in remote locations
WIRELESS MOBiLE CHARGER USING MUTUAL INDUCTIONIRJET Journal
This document proposes a wireless mobile phone charger using mutual induction. It discusses how traditional wired phone chargers have issues like cable damage. The proposed wireless charger would eliminate these problems by charging phones remotely without wires. It describes the transmitter and receiver circuit designs which use a primary coil, secondary coil, and mutual induction to wirelessly transmit power for charging. The conclusion states that wireless charging provides convenience over traditional wired charging and its technology is advancing to replace conductive systems and bring more comfort to mobile phone users.
Foot Step Power Generation System using Electronic DeviceIRJET Journal
This document describes a system that generates electricity from human foot steps using piezoelectric materials. Piezoelectric materials produce an electric charge when mechanical stress is applied. The system places piezoelectric tiles on floors in areas with heavy foot traffic like homes, schools, and malls. When people walk on the tiles, the mechanical energy from their steps is converted to electrical energy by the piezoelectric effect. The generated electricity can be stored in batteries and used to power small electronic devices, providing a way to harness wasted mechanical energy from human movement. The document discusses using piezoelectric ceramics and connecting multiple tiles in series and parallel configurations to increase voltage and current output for more effective energy collection and storage
This work describes the recent advancements in piezoelectric energy harvesting concepts for smart city applications. Several works have been reported which discussed the detailed design and use of different piezoelectric materials to harvest energy from vibration. In the smart city context there are many opportunities to convert mechanical to electrical such as human motion, sounds, machines and streets. Researchers have studied the factors that affect the amount of the output generated power from various sources to determine its efficiency. Effect of harvester structure, material that is used in fabricating the harvester mobility of human in its location, and other factors have been studied. Efficiency of piezoelectric harvesters is an essential parameter to judge the performance of the prototype for the betterment of energy resources. Yusra Wangde | Pranay Mendhe | Daniya Soparker | Vicky Gupta | Prof. Jyoti Dange ""Voltage Generation using Piezo-Crystals"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd23440.pdf
Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/23440/voltage-generation-using-piezo-crystals/yusra-wangde
In this presentation, basics of solar cells, what is piezoelectricity and its application, followed by basics of thermoelectricity and its application would be discussed.
IRJET- VSI based Standalone PV Generation System using Super-Capacitor to Dri...IRJET Journal
This document describes a standalone photovoltaic system that uses a solar panel, DC-DC converter, and single-phase inverter to drive an induction motor. The solar panel converts sunlight to electrical energy in the form of DC voltage. A DC-DC converter boosts the voltage as needed. An inverter then converts the DC to AC voltage using pulse width modulation to power the induction motor. A capacitor bank at the output of the DC-DC converter filters the voltage before it reaches the inverter. The system provides a reliable electricity source for remote and rural areas using a renewable energy source that has no emissions or noise.
This document describes a footstep power generation system developed by a group of students. The system uses piezoelectric sensors to capture energy from human footfalls and convert it to electrical energy. An Arduino microcontroller is used to regulate and store the generated voltage in a battery. The highest voltage generated was 8.29V, which can be used to charge mobile phones or other devices. The system provides a renewable energy source and has potential applications in places with high foot traffic like railway stations.
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This document describes a DC-AC inverter using a synchronous reference frame (SRF) hysteresis current controller to interface a photovoltaic (PV) source to the AC grid. The system consists of a PV source, boost converter, and inverter connected to a load. An SRF-based hysteresis current controller is used to regulate the inverter output current and minimize total harmonic distortion. It converts the measured load currents to a rotating reference frame to extract the fundamental components as DC signals. Simulation results show the controller effectively regulates current and eliminates harmonics from a nonlinear load, allowing the PV system to support a 3 kW load.
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1) The document describes a wireless power transmission system that uses solar power as the input source.
2) It uses a high step-up DC-DC converter to boost the low voltage solar output. This is then converted to high frequency AC using a class E amplifier.
3) The high frequency signal is wirelessly transmitted through resonant coupling between transmitting and receiving coils. The receiver uses rectification to convert the signal back to DC for use by the load.
IRJET- Solar based User Adjustable Multi-Purpose Frequency InverterIRJET Journal
This document summarizes a research paper on a portable solar-based user adjustable multi-purpose frequency inverter. The inverter can operate on variable frequency defined by the user and works with a 10W solar panel or 12V battery. It uses an IC and MOSFETs to boost the input voltage to 230V to power bulbs. The inverter is compact, low-cost, and can be embedded in lamps and fans. It was found to be most efficient between 20-25W loads, allowing continuous operation for hours without solar when the load is reduced.
Comparing Strain gauges to Piezoelectric SensorsTacuna Systems
This document compares and contrasts strain gauge sensors and piezoelectric sensors. Strain gauge sensors detect force by measuring changes in electrical resistance caused by elastic deformation, while piezoelectric sensors generate an electric charge in response to an applied force or pressure due to the piezoelectric effect. Both sensor types are widely used but have differences in factors like resolution, accuracy, temperature sensitivity, loading conditions, and more. The document provides details on the operating principles, materials, fabrication methods, designs, and characteristics of each sensor type.
Similar to ENERGY GENERATION VIA FOOTSTEPS USING PIEZOELECTRIC SENSOR (20)
TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
1) The document discusses the Sungal Tunnel project in Jammu and Kashmir, India, which is being constructed using the New Austrian Tunneling Method (NATM).
2) NATM involves continuous monitoring during construction to adapt to changing ground conditions, and makes extensive use of shotcrete for temporary tunnel support.
3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
This study examines the effect of response reduction factors (R factors) on reinforced concrete (RC) framed structures through nonlinear dynamic analysis. Three RC frame models with varying heights (4, 8, and 12 stories) were analyzed in ETABS software under different R factors ranging from 1 to 5. The results showed that displacement increased as the R factor decreased, indicating less linear behavior for lower R factors. Drift also decreased proportionally with increasing R factors from 1 to 5. Shear forces in the frames decreased with higher R factors. In general, R factors of 3 to 5 produced more satisfactory performance with less displacement and drift. The displacement variations between different building heights were consistent at different R factors. This study evaluated how R factors influence
A COMPARATIVE ANALYSIS OF RCC ELEMENT OF SLAB WITH STARK STEEL (HYSD STEEL) A...IRJET Journal
This study compares the use of Stark Steel and TMT Steel as reinforcement materials in a two-way reinforced concrete slab. Mechanical testing is conducted to determine the tensile strength, yield strength, and other properties of each material. A two-way slab design adhering to codes and standards is executed with both materials. The performance is analyzed in terms of deflection, stability under loads, and displacement. Cost analyses accounting for material, durability, maintenance, and life cycle costs are also conducted. The findings provide insights into the economic and structural implications of each material for reinforcement selection and recommendations on the most suitable material based on the analysis.
Effect of Camber and Angles of Attack on Airfoil CharacteristicsIRJET Journal
This document discusses a study analyzing the effect of camber, position of camber, and angle of attack on the aerodynamic characteristics of airfoils. Sixteen modified asymmetric NACA airfoils were analyzed using computational fluid dynamics (CFD) by varying the camber, camber position, and angle of attack. The results showed the relationship between these parameters and the lift coefficient, drag coefficient, and lift to drag ratio. This provides insight into how changes in airfoil geometry impact aerodynamic performance.
A Review on the Progress and Challenges of Aluminum-Based Metal Matrix Compos...IRJET Journal
This document reviews the progress and challenges of aluminum-based metal matrix composites (MMCs), focusing on their fabrication processes and applications. It discusses how various aluminum MMCs have been developed using reinforcements like borides, carbides, oxides, and nitrides to improve mechanical and wear properties. These composites have gained prominence for their lightweight, high-strength and corrosion resistance properties. The document also examines recent advancements in fabrication techniques for aluminum MMCs and their growing applications in industries such as aerospace and automotive. However, it notes that challenges remain around issues like improper mixing of reinforcements and reducing reinforcement agglomeration.
Dynamic Urban Transit Optimization: A Graph Neural Network Approach for Real-...IRJET Journal
This document discusses research on using graph neural networks (GNNs) for dynamic optimization of public transportation networks in real-time. GNNs represent transit networks as graphs with nodes as stops and edges as connections. The GNN model aims to optimize networks using real-time data on vehicle locations, arrival times, and passenger loads. This helps increase mobility, decrease traffic, and improve efficiency. The system continuously trains and infers to adapt to changing transit conditions, providing decision support tools. While research has focused on performance, more work is needed on security, socio-economic impacts, contextual generalization of models, continuous learning approaches, and effective real-time visualization.
Structural Analysis and Design of Multi-Storey Symmetric and Asymmetric Shape...IRJET Journal
This document summarizes a research project that aims to compare the structural performance of conventional slab and grid slab systems in multi-story buildings using ETABS software. The study will analyze both symmetric and asymmetric building models under various loading conditions. Parameters like deflections, moments, shears, and stresses will be examined to evaluate the structural effectiveness of each slab type. The results will provide insights into the comparative behavior of conventional and grid slabs to help engineers and architects select appropriate slab systems based on building layouts and design requirements.
A Review of “Seismic Response of RC Structures Having Plan and Vertical Irreg...IRJET Journal
This document summarizes and reviews a research paper on the seismic response of reinforced concrete (RC) structures with plan and vertical irregularities, with and without infill walls. It discusses how infill walls can improve or reduce the seismic performance of RC buildings, depending on factors like wall layout, height distribution, connection to the frame, and relative stiffness of walls and frames. The reviewed research paper analyzes the behavior of infill walls, effects of vertical irregularities, and seismic performance of high-rise structures under linear static and dynamic analysis. It studies response characteristics like story drift, deflection and shear. The document also provides literature on similar research investigating the effects of infill walls, soft stories, plan irregularities, and different
This document provides a review of machine learning techniques used in Advanced Driver Assistance Systems (ADAS). It begins with an abstract that summarizes key applications of machine learning in ADAS, including object detection, recognition, and decision-making. The introduction discusses the integration of machine learning in ADAS and how it is transforming vehicle safety. The literature review then examines several research papers on topics like lightweight deep learning models for object detection and lane detection models using image processing. It concludes by discussing challenges and opportunities in the field, such as improving algorithm robustness and adaptability.
Long Term Trend Analysis of Precipitation and Temperature for Asosa district,...IRJET Journal
The document analyzes temperature and precipitation trends in Asosa District, Benishangul Gumuz Region, Ethiopia from 1993 to 2022 based on data from the local meteorological station. The results show:
1) The average maximum and minimum annual temperatures have generally decreased over time, with maximum temperatures decreasing by a factor of -0.0341 and minimum by -0.0152.
2) Mann-Kendall tests found the decreasing temperature trends to be statistically significant for annual maximum temperatures but not for annual minimum temperatures.
3) Annual precipitation in Asosa District showed a statistically significant increasing trend.
The conclusions recommend development planners account for rising summer precipitation and declining temperatures in
P.E.B. Framed Structure Design and Analysis Using STAAD ProIRJET Journal
This document discusses the design and analysis of pre-engineered building (PEB) framed structures using STAAD Pro software. It provides an overview of PEBs, including that they are designed off-site with building trusses and beams produced in a factory. STAAD Pro is identified as a key tool for modeling, analyzing, and designing PEBs to ensure their performance and safety under various load scenarios. The document outlines modeling structural parts in STAAD Pro, evaluating structural reactions, assigning loads, and following international design codes and standards. In summary, STAAD Pro is used to design and analyze PEB framed structures to ensure safety and code compliance.
A Review on Innovative Fiber Integration for Enhanced Reinforcement of Concre...IRJET Journal
This document provides a review of research on innovative fiber integration methods for reinforcing concrete structures. It discusses studies that have explored using carbon fiber reinforced polymer (CFRP) composites with recycled plastic aggregates to develop more sustainable strengthening techniques. It also examines using ultra-high performance fiber reinforced concrete to improve shear strength in beams. Additional topics covered include the dynamic responses of FRP-strengthened beams under static and impact loads, and the performance of preloaded CFRP-strengthened fiber reinforced concrete beams. The review highlights the potential of fiber composites to enable more sustainable and resilient construction practices.
Survey Paper on Cloud-Based Secured Healthcare SystemIRJET Journal
This document summarizes a survey on securing patient healthcare data in cloud-based systems. It discusses using technologies like facial recognition, smart cards, and cloud computing combined with strong encryption to securely store patient data. The survey found that healthcare professionals believe digitizing patient records and storing them in a centralized cloud system would improve access during emergencies and enable more efficient care compared to paper-based systems. However, ensuring privacy and security of patient data is paramount as healthcare incorporates these digital technologies.
Review on studies and research on widening of existing concrete bridgesIRJET Journal
This document summarizes several studies that have been conducted on widening existing concrete bridges. It describes a study from China that examined load distribution factors for a bridge widened with composite steel-concrete girders. It also outlines challenges and solutions for widening a bridge in the UAE, including replacing bearings and stitching the new and existing structures. Additionally, it discusses two bridge widening projects in New Zealand that involved adding precast beams and stitching to connect structures. Finally, safety measures and challenges for strengthening a historic bridge in Switzerland under live traffic are presented.
React based fullstack edtech web applicationIRJET Journal
The document describes the architecture of an educational technology web application built using the MERN stack. It discusses the frontend developed with ReactJS, backend with NodeJS and ExpressJS, and MongoDB database. The frontend provides dynamic user interfaces, while the backend offers APIs for authentication, course management, and other functions. MongoDB enables flexible data storage. The architecture aims to provide a scalable, responsive platform for online learning.
A Comprehensive Review of Integrating IoT and Blockchain Technologies in the ...IRJET Journal
This paper proposes integrating Internet of Things (IoT) and blockchain technologies to help implement objectives of India's National Education Policy (NEP) in the education sector. The paper discusses how blockchain could be used for secure student data management, credential verification, and decentralized learning platforms. IoT devices could create smart classrooms, automate attendance tracking, and enable real-time monitoring. Blockchain would ensure integrity of exam processes and resource allocation, while smart contracts automate agreements. The paper argues this integration has potential to revolutionize education by making it more secure, transparent and efficient, in alignment with NEP goals. However, challenges like infrastructure needs, data privacy, and collaborative efforts are also discussed.
A REVIEW ON THE PERFORMANCE OF COCONUT FIBRE REINFORCED CONCRETE.IRJET Journal
This document provides a review of research on the performance of coconut fibre reinforced concrete. It summarizes several studies that tested different volume fractions and lengths of coconut fibres in concrete mixtures with varying compressive strengths. The studies found that coconut fibre improved properties like tensile strength, toughness, crack resistance, and spalling resistance compared to plain concrete. Volume fractions of 2-5% and fibre lengths of 20-50mm produced the best results. The document concludes that using a 4-5% volume fraction of coconut fibres 30-40mm in length with M30-M60 grade concrete would provide benefits based on previous research.
Optimizing Business Management Process Workflows: The Dynamic Influence of Mi...IRJET Journal
The document discusses optimizing business management processes through automation using Microsoft Power Automate and artificial intelligence. It provides an overview of Power Automate's key components and features for automating workflows across various apps and services. The document then presents several scenarios applying automation solutions to common business processes like data entry, monitoring, HR, finance, customer support, and more. It estimates the potential time and cost savings from implementing automation for each scenario. Finally, the conclusion emphasizes the transformative impact of AI and automation tools on business processes and the need for ongoing optimization.
Multistoried and Multi Bay Steel Building Frame by using Seismic DesignIRJET Journal
The document describes the seismic design of a G+5 steel building frame located in Roorkee, India according to Indian codes IS 1893-2002 and IS 800. The frame was analyzed using the equivalent static load method and response spectrum method, and its response in terms of displacements and shear forces were compared. Based on the analysis, the frame was designed as a seismic-resistant steel structure according to IS 800:2007. The software STAAD Pro was used for the analysis and design.
Cost Optimization of Construction Using Plastic Waste as a Sustainable Constr...IRJET Journal
This research paper explores using plastic waste as a sustainable and cost-effective construction material. The study focuses on manufacturing pavers and bricks using recycled plastic and partially replacing concrete with plastic alternatives. Initial results found that pavers and bricks made from recycled plastic demonstrate comparable strength and durability to traditional materials while providing environmental and cost benefits. Additionally, preliminary research indicates incorporating plastic waste as a partial concrete replacement significantly reduces construction costs without compromising structural integrity. The outcomes suggest adopting plastic waste in construction can address plastic pollution while optimizing costs, promoting more sustainable building practices.
6th International Conference on Machine Learning & Applications (CMLA 2024)ClaraZara1
6th International Conference on Machine Learning & Applications (CMLA 2024) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of on Machine Learning & Applications.
Understanding Inductive Bias in Machine LearningSUTEJAS
This presentation explores the concept of inductive bias in machine learning. It explains how algorithms come with built-in assumptions and preferences that guide the learning process. You'll learn about the different types of inductive bias and how they can impact the performance and generalizability of machine learning models.
The presentation also covers the positive and negative aspects of inductive bias, along with strategies for mitigating potential drawbacks. We'll explore examples of how bias manifests in algorithms like neural networks and decision trees.
By understanding inductive bias, you can gain valuable insights into how machine learning models work and make informed decisions when building and deploying them.
Harnessing WebAssembly for Real-time Stateless Streaming PipelinesChristina Lin
Traditionally, dealing with real-time data pipelines has involved significant overhead, even for straightforward tasks like data transformation or masking. However, in this talk, we’ll venture into the dynamic realm of WebAssembly (WASM) and discover how it can revolutionize the creation of stateless streaming pipelines within a Kafka (Redpanda) broker. These pipelines are adept at managing low-latency, high-data-volume scenarios.
Introduction- e - waste – definition - sources of e-waste– hazardous substances in e-waste - effects of e-waste on environment and human health- need for e-waste management– e-waste handling rules - waste minimization techniques for managing e-waste – recycling of e-waste - disposal treatment methods of e- waste – mechanism of extraction of precious metal from leaching solution-global Scenario of E-waste – E-waste in India- case studies.
Low power architecture of logic gates using adiabatic techniquesnooriasukmaningtyas
The growing significance of portable systems to limit power consumption in ultra-large-scale-integration chips of very high density, has recently led to rapid and inventive progresses in low-power design. The most effective technique is adiabatic logic circuit design in energy-efficient hardware. This paper presents two adiabatic approaches for the design of low power circuits, modified positive feedback adiabatic logic (modified PFAL) and the other is direct current diode based positive feedback adiabatic logic (DC-DB PFAL). Logic gates are the preliminary components in any digital circuit design. By improving the performance of basic gates, one can improvise the whole system performance. In this paper proposed circuit design of the low power architecture of OR/NOR, AND/NAND, and XOR/XNOR gates are presented using the said approaches and their results are analyzed for powerdissipation, delay, power-delay-product and rise time and compared with the other adiabatic techniques along with the conventional complementary metal oxide semiconductor (CMOS) designs reported in the literature. It has been found that the designs with DC-DB PFAL technique outperform with the percentage improvement of 65% for NOR gate and 7% for NAND gate and 34% for XNOR gate over the modified PFAL techniques at 10 MHz respectively.
Literature Review Basics and Understanding Reference Management.pptxDr Ramhari Poudyal
Three-day training on academic research focuses on analytical tools at United Technical College, supported by the University Grant Commission, Nepal. 24-26 May 2024
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Presentation of IEEE Slovenia CIS (Computational Intelligence Society) Chapte...University of Maribor
Slides from talk presenting:
Aleš Zamuda: Presentation of IEEE Slovenia CIS (Computational Intelligence Society) Chapter and Networking.
Presentation at IcETRAN 2024 session:
"Inter-Society Networking Panel GRSS/MTT-S/CIS
Panel Session: Promoting Connection and Cooperation"
IEEE Slovenia GRSS
IEEE Serbia and Montenegro MTT-S
IEEE Slovenia CIS
11TH INTERNATIONAL CONFERENCE ON ELECTRICAL, ELECTRONIC AND COMPUTING ENGINEERING
3-6 June 2024, Niš, Serbia