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Title: Comparative Overview of Internal Model Control Based PID, State Feedback Integral, and Sliding Mode Controllers for Buck Converter
Authors: Shankar K.G.
Jena D.
Reddivari R.
Issue Date: 2019
Citation: 2019 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics, DISCOVER 2019 - Proceedings , Vol. , , p. -
Abstract: The controller plays a key role in the performance of switched mode power supplies (SMPS). Various control techniques have been proposed in the literature to improve the performance of SMPS. However, each and every controller has its own merits as well as demerits. This paper used three different kinds of control schemes such as IMC-PID control, state feedback integral control, and sliding mode control, applied to the traditional buck converter to show their effectiveness. Firstly, a detailed small-signal model of a buck converter is developed. The small signal transfer function derived from the small signal model is used to calculate the control parameters. The working principle and control parameter tuning of above-mentioned control schemes are clearly shown with mathematical expressions. Finally, the effectiveness of the given controllers is validated by using MATLAB/SIMULINK software platform. © 2019 IEEE.
Appears in Collections:2. Conference Papers

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