Photovoltaic powered system with buck-boost converter for pest monitoring and management system

Adnan, Ameerah Rasyeed (2021) Photovoltaic powered system with buck-boost converter for pest monitoring and management system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

A pest monitoring and management system is operated to monitor the presence and activity of rodents. It includes an image processing system operated using Raspberry Pi with Linux operating system. The input needed for this system to work is at least 5V. This project focuses more on the DC-to-DC converter particularly buck-boost converter providing that amount of input voltage so that the system can work. The reason being that the system is powered by implementing photovoltaic powered system that would generate unstable voltage input due to the sun. As per knowledge, buck-boost can step up or step down the voltage source according to requirements. A closed loop circuit based on the suitable topology which is the SEPIC converter with to ensure constant ouput of 5V no matter what input voltage it receives from the PV system. Three types of feedback controllers which are PI controller, P controller and I controller are implemented and compared using the data collected from the simulation in MATLAB software. From all analysis, the PI controller is proven to be the best in controlling the output that the system requires

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