A modified PID controller for DC-DC boost converter

Ali Mohamed, Ahmed Abbas (2017) A modified PID controller for DC-DC boost converter. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Recently, the advancement in power electronic is increasingly growing. Power electronic circuit is a circuit that uses to converter the source energy from one form to another. The utilization of power electronic in nowadays application contributes significantly to produce well-functioning and less complex designed. DC-DC converters are an essential part of power electronic which focus on changing the DC voltage input level whether to higher or lower level. Boost converter is one of DC-DC converters, it's also known as a step-up output voltage. It can be applied to replace the transformer due to more flexible, able to produce a higher output voltage at high efficiency, as well as the building of boost converter is simple and easy to be analyzed, offered at a low price and less noise. This project aims to design a DC-DC boost converter that will be driven with utilizing Pulse Width Modulation (PWM) where the DC level compared with carrier signal. In addition, Proportional-Integral-derivative (PID) controllers have usually been applied to the DC-DC boost converter due to its simplicity of design. However, this implementation of this control method cause suffers on the dynamic response of boost converter output voltage. Thus, the motive of this project is to modify this PID controller to improve its performance and generate the desired output voltage.

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