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Robust tracking with H-infinity performance for PWM systems
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Optimization and Systems Theory.
2009 (English)In: Automatica, ISSN 0005-1098, Vol. 45, no 8, 1808-1818 p.Article in journal (Refereed) Published
Abstract [en]

Control synthesis for robust tracking is considered for a class of pulse-width modulated systems that appear, for example, in power electronics applications. The control objective is to regulate a high frequency ripple signal to robustly track a constant reference signal in an average sense. To achieve this goal, a new H-infinity control problem with integral action and average sampling is proposed. The solution of this problem involves a hybrid lifting framework which requires a careful elaboration in order to develop an algorithm that allows one to solve the design problem by the standard state space formulas for H-infinity control. The design procedure is verified on a synchronous buck converter.

Place, publisher, year, edition, pages
2009. Vol. 45, no 8, 1808-1818 p.
Keyword [en]
PWM systems, Switched systems, Sampled-data systems, H-infinity control, Robust tracking
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-30740DOI: 10.1016/j.automatica.2009.03.026ISI: 000268651300003ScopusID: 2-s2.0-67649620088OAI: diva2:401957
QC 20110304 45th IEEE Conference on Decision and Control, San Diego, CA, DEC 13-15, 2006Available from: 2011-03-04 Created: 2011-03-04 Last updated: 2011-03-04Bibliographically approved

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