Indian Journal of Science and Technology
DOI: 10.17485/ijst/2012/v5i5.1
Year: 2012, Volume: 5, Issue: 5, Pages: 1-8
Original Article
Amir Hassan Shams-Ansari1 , Farzad Razavi2 *,Ali Asghar Ghadimi3 and Hossein Abolmasoumi4
1,2Department of Electrical Engineering,
3Department of Electrical Engineering, Science and research branch,
4Department of Electrical Engineering, Arak University, Arak, Iran [email protected]1 , [email protected]2 *, [email protected]3
*Author For Correspondence
Farzad Razavi
Department of Electrical Engineering
Email:[email protected]
Converters are widely used in many fields specially Distributed Generation applications. Because of the non-linear and the uncertain characteristics of DC-DC converters, Sliding Mode Control (SMC), which is robust against uncertainties and disturbances, is implemented in a full-bridge converter in order to control the converter output by varying the duty cycle of the converter. The proposed method is explained and formulated using state-space average model of the fullbridge converter. Additionally, the effects of changing the design parameters of the introduced sliding mode controller in tracking performance and tracking are discussed. Moreover, the system behavior during load and source sudden changes is analyzed. High performance and tracking accuracy of the system under parameter variation are confirmed appropriately using simulations.
Keywords: Full-Bridge Converter, Sliding Mode Control, Nonlinear Control, DG.
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