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Comparative Analysis of Analog Controllers for DC-DC Buck Converter

Ghulam Abbas 1, Hassam Muazzam 2, Umar Farooq 2, Jason Gu 3, and Muhammad Usman Asad 1
1. Department of Electrical Engineering, the University of Lahore, Lahore, Pakistan
2. Department of Electrical Engineering, University of the Punjab Lahore-54590 Pakistan
3. Department of Electrical and Computer Engineering, Dalhousie University Halifax, N.S., Canada
Abstract—This paper comprehensively describes analog controller design for DC-DC buck converter using the analogous classic controlling techniques. Different kinds of PID (proportional-integral-derivative) controllers, along with lead-lag, are examined and their simulations are analyzed using Simulink/MATLAB. The analysis is manifested in time as well as frequency domain and the converter dynamics are evaluated in state-space form as well as in transfer function form. Also, the effect of each controller design technique on system performance is simulated and discussed. The performance of all the types of PID controller is validated using the MATLAB/Simulink environment.

Index Terms—PID controller, lead-lag controller, DC-DC buck converter, MATLAB/Simulink

Cite: Ghulam Abbas, Hassam Muazzam, Umar Farooq, Jason Gu, and Muhammad Usman Asad, "CComparative Analysis of Analog Controllers for DC-DC Buck Converter," Jounal of Automation and Control Engineering, Vol. 3, No. 6, pp. 447-451, December, 2015. doi: 10.12720/joace.3.6.447-451
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