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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Luthfiyyatun Mardiyah
Universitas Lampung
Control & Systems Engineering Electrical & Electronics Engineering

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Simple formula for designing the PID controller of a DC-DC buck converter Ahmad Saudi Samosir; Tole Sutikno; Luthfiyyatun Mardiyah
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 14, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v14.i1.pp327-336

Abstract

This paper proposes a simple way to design a proportional integral derivative proportional integral derivative (PID) controller for a DC-DC buck converter. This work concerns getting the formula to calculate Kp, Ki, and Kd parameters from a PID controller easily. The main advantage of this formula is that the tuning process of the KP, KI and KD parameters of the PID controller will be simplified just by entering the R, L, and C component values of the buck converter into the formula. The synthesis process of the formula is explained step by step. State space analysis is used to model the equations and transfer functions of the buck converter. The transfer function of the PID controller and buck converter was analyzed to obtain the Buck Converter system's closed loop transfer function. The formula for calculating the parameters KP, KI and KD of the PID controller is derived from the closed loop transfer function of the buck converter system. Numerical simulations are provided to confirm the effectiveness of the proposed PID controller. The performance of the buck converter controlled by the proposed PID controller was tested under various load conditions.
Co-Authors Ahmad Saudi Samosir Tole Sutikno