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Research Paper | Electrical Engineering | India | Volume 4 Issue 12, December 2015

A Buck Converter Based On PID Controller for Voltage Step-Down Application

Ankita Pandey ^[5] | Dr. Dharmendra Singh ^[2]

Abstract: This paper present a pulse width modulation non-isolated buck converter using PID controller. The buck converter constituted by one Gto, one inductor, one capacitor, one diode and one load resistor. In this the buck converter connected to the PID controller, PID controller calculate an error value as the difference between a measured process variable and a desired set point. The proportional P depends on the present error, integral I accumulate the past error and derivative D predict the future error. The performance of buck converter has been studied and is undertaken for their theoretical verification, graphical performance and matlab simulation.

Keywords: dc-dc converter, PID, pulse width modulation, buck converter

Edition: Volume 4 Issue 12, December 2015,

Pages: 1164 - 1167