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Nonlinear and linear robust control of switching power converters

Bevrani, Hassan, Abrishamchian, M., & Safari-Shad, Nader (1999) Nonlinear and linear robust control of switching power converters. In 1999 IEEE lntemational Conference on Control Applications, August 22-27, 1999, Hawaii, USA.

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Abstract

Switching power converters are nonlinear and time variant systems. The classical controller design for a switching power converter based on the linear model derived by one of conventional modelling methods. However the parameter and load variations and input unregulated voltage are not taken into consideration simultaneously in a controller design. In this paper, we use "input-output feedback linearization" technique for nonlinear control issue, and "Kharitonov, Hif and mu-synthesis" techniques for robust control issue to design of nonlinear and linear robust controllers to access both satisfactory stability and satisfactory performance, even in case of uncertainties and disturbances, for typical fifth-order DC-DC Switching power converter. The stability and performance of the converter and the effectiveness of the proposed controllers are demonstrated by some simulated results. Making use of simulation results, varies comparisons between these controllers and a variety of other controllers are then made, exhibiting the high efficiency of these methods compared to conventional methods.

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6 citations in Scopus
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ID Code: 13463
Item Type: Conference Paper
DOI: 10.1109/CCA.1999.807765
ISBN: 078035446X
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 1999 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 06 May 2008
Last Modified: 09 Jun 2010 22:58

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