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Energies 2016, 9(7), 494;

Super-Twisting Differentiator-Based High Order Sliding Mode Voltage Control Design for DC-DC Buck Converters

School of Automation, Northwestern Polytechnical University, Xi’an 710072, China
Department of Electrical and Computer Engineering, Concordia University, Montreal, QC H3G 1M8, Canada
Research Institute of Transport, Energy and Society (IRTES), University of Technology of Belfort-Montbeliard, Belfort Cedex 90010, France
Electrical Engineering Department, Technical University of Cluj-Napoca, Cluj-Napoca 400604, Romania
Research Group in Electrical and Electronics, Université de Lorraine, Vandoeuvre-les-Nancy 54518, France
Author to whom correspondence should be addressed.
Academic Editor: Gabriele Grandi
Received: 25 April 2016 / Revised: 23 June 2016 / Accepted: 23 June 2016 / Published: 28 June 2016
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This paper aims to focus on the smooth output of DC-DC buck converters in wireless power transfer systems under input perturbations and load disturbances using the high-order sliding mode controller (HOSM) and HOSM with super-twisting differentiator (HOSM + STD). The proposed control approach needs only measurement of converter output voltage. Theoretical analysis and design procedures, as well as the super-twisting differentiator of the proposed controller are presented in detail with the prescribed convergence law of high-order sliding modes. Comparisons of both simulation and experimental results among conventional proportional-integral (PI) control, traditional sliding mode control (SMC), HOSM and HOSM + STD under various test conditions such as steady state, input voltage perturbations and output load disturbances, are presented and discussed. The results demonstrate and validate the effectiveness and robustness of the proposed control method. View Full-Text
Keywords: robust control; DC-DC converter; sensor-less; high-order sliding mode robust control; DC-DC converter; sensor-less; high-order sliding mode

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Huangfu, Y.; Zhuo, S.; Rathore, A.K.; Breaz, E.; Nahid-Mobarakeh, B.; Gao, F. Super-Twisting Differentiator-Based High Order Sliding Mode Voltage Control Design for DC-DC Buck Converters. Energies 2016, 9, 494.

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