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Output feedback variable structure control for a class of uncertain switched systems |
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| Authors: | Jie Lian Jun Zhao |
| Affiliation: | 1. Key Laboratory of Integrated Automation of Process Industry, Ministry of Education, Northeastern University, Shenyang, China;2. School of Electronic and Information Engineering, Dalian University of Technology, Dalian 116024, China;3. Department of Information Engineering, Research School of Information Sciences and Engineering, The Australian National University, Canberra ACT 0200, Australia |
| Abstract: | This paper considers the output feedback variable structure control problem for a class of uncertain switched systems. A single sliding surface is constructed using only output information. Robust stability of the sliding motion restricted to the sliding surface is achieved and complete invariance to the matched and the mismatched uncertainties is guaranteed via a hysteresis switching law based on a reduced order observer. Output feedback variable structure controllers are given to guarantee that the redefined sliding surface is reached in finite time. A numerical example illustrates the effectiveness of the proposed design method. Copyright © 2009 John Wiley and Sons Asia Pte Ltd and Chinese Automatic Control Society |
| Keywords: | Uncertain switched systems output feedback sliding mode control hysteresis switching law |