Decentralized Control of Nonlinear Large-Scale Systems Using Dynamic Output Feedback

X. G. Yan, J. Lam, H. S. Li and I. M. Chen
Additional contact information
X. G. Yan: Nanyang Technological University
J. Lam: University of Hong Kong
H. S. Li: Nanyang Technological University
I. M. Chen: Nanyang Technological University

Journal of Optimization Theory and Applications, 2000, vol. 104, issue 2, No 11, 459-475

Abstract: Abstract In this paper, a class of nonlinear large-scale systems with similar subsystems is studied. Both matched and unmatched uncertainties are considered by utilizing their bounding functions, and the interconnections take a more general form than considered previously. Based on a constrained Lyapunov equation, a nonlinear dynamic output feedback decentralized controller is presented. Unlike existing results, matched uncertainties are considered in the control design; by using a decomposition of the interconnections, the known and uncertain interconnections are treated separately; thus, the robustness is improved and conservativeness is reduced significantly. The computation effort for solving the Lyapunov equation is greatly reduced by taking into account the similar subsystem structure. Finally, simulation is used to illustrate the effectiveness of our results.

Keywords: stabilization; nonlinear large-scale systems; decentralized control; dynamic output feedback (search for similar items in EconPapers)
Date: 2000
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Citations: View citations in EconPapers (3)

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DOI: 10.1023/A:1004674032740

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