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All Journal ASEAN Journal of Science and Engineering Education (AJSEE) Indonesian Journal of Educational Research and Technology (IJERT)
Channareth Srun
National Polytechnic Institute of Cambodia
Chemical Engineering, Chemistry & Bioengineering Education Engineering Materials Science & Nanotechnology Other

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Design of VHDL for MPPT Incremental Conductance on FPGA with Altera DE2-115 Development Board for Educational Purposes Virbora Ny; Channareth Srun; Phok Chrin; Sokchea Am; Bunthern Kim; Saran Meas
ASEAN Journal of Science and Engineering Education Vol 4, No 1 (2024): (ONLINE FIRST) AJSEE: March 2024
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ajsee.v4i1.57991

Abstract

In this paper, the design of VHDL for MPPT Incremental Conductance on an FPGA with the Altera DE2-115 Development Board is presented for educational purposes. The FPGA is programmed to control the MPPT tracking process by obtaining the maximum power from the solar panel. The Altera DE2-115 Development Board is used for the FPGA system design. The system is designed for individual blocks that are designed specifically to operate each step in the MPPT process. The system consists of five main parts: the solar panel, ADC, FPGA, PWM, and DC-DC Boost Converter. The solar panel provides the DC voltage and current. The ADC converts the solar panel's constantly changing voltage and current to a digital signal. The INC algorithm is started after the FPGA receives the digital signal from the ADC. The output PWM from the MPPT algorithm will drive the DC-DC Boost Converter circuit for the solar power tracking process. The experimental results show that the designed system can track the maximum power point of the solar panel.
Design of Emergency Position Reporting System for Disasters Using Amateur Radio and Automatic Packet Reporting System (APRS) as a Mobile Station Operator for Educational Purposes Sok Oeun Un; Kimtho Po; Kosorl Thourn; Rathna Pec; Channareth Srun; Seven Siren
Indonesian Journal of Educational Research and Technology Vol 3, No 3 (2023): (ONLINE FIRST) IJERT: December 2023
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijert.v3i3.58888

Abstract

The emergency position reporting system is proposed for disasters using amateur radio and Automatic Packet Reporting System (APRS) as mobile station operators for unexpected natural disasters after the Internet and mobile communication system infrastructure are destroyed surrounding the disaster areas. The location tracking systems are used with amateur radio devices and implemented with APRS in the act of position reports. The position information is received from the smartphone’s Global Positioning System (GPS) using the offline mode to the APRS via Bluetooth network that is connected to transceivers. The transceiver used the dual-band Yagi antenna 145Mhz/435Mhz called Mobile Station Operator (MSO) as the APRS client using callsign. The MSO collected the location data sent to the Response Station Operator (RSO) that combined with APRS, transceivers, and antenna. The server system allowed data location information monitoring using a valid passcode from a licensed amateur radio operator and used strictly by the servers to validate the connection to the server application.
Co-Authors Bunthern Kim Kimtho Po Kosorl Thourn Phok Chrin Rathna Pec Saran Meas Seven Siren Sok Oeun UN Sokchea Am Virbora Ny