Decentralized Output Feedback Sliding Mode Control of Nonlinear Large-Scale Systems with Uncertainties

X. G. Yan, S. K. Spurgeon and C. Edwards
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X. G. Yan: University of Leicester
S. K. Spurgeon: University of Leicester
C. Edwards: University of Leicester

Journal of Optimization Theory and Applications, 2003, vol. 119, issue 3, No 8, 597-614

Abstract: Abstract In this paper, a class of nonlinear large-scale interconnected systems with mismatched uncertainties is considered. Based on sliding mode control ideas, a kind of decentralized robust control scheme using only output information is presented to stabilize the system. The approach allows more general uncertain interconnections than all of the associated existing work and better robustness is achieved. Compared with existing decentralized output feedback schemes, it is unnecessary to solve Lyapunov equations and the so-called strict structural condition is avoided. Also, it is not necessary that the nominal subsystem is output feedback stabilizable. Finally, a simulation example is presented to illustrate the effectiveness of the results.

Keywords: Nonlinear large-scale systems; mismatched uncertainties; decentralized control; sliding mode control; output feedback (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1023/B:JOTA.0000006691.37149.0b

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