Design of Switching Multiobjective Controller: A New Approach

Ahmad Fakharian

Mathematical Problems in Engineering, 2011, vol. 2011, 1-12

Abstract:

Design of switching ð » 2 / ð » âˆž output-feedback controller for discrete-time LTI systems with state-multiplicative noise is considered. The closed loop system achieves a minimum bound on the stochastic ð » 2 performance level, while satisfying the ð » âˆž performance. The proposed controller is based on a fuzzy supervisor which manages the combination of two separate ð » 2 and ð » âˆž controllers. A convex formulation of the two controllers leads to a structure which benefits from the advantages of both controllers to ensure a good performance in both the transient phase ( ð » 2 controller) and the steady phase ( ð » âˆž controller). The stability analysis uses the Lyapunov technique, inspired from switching system theory, to prove that the closed loop system with the proposed controller structure remains globally stable despite the configuration changing.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:705346

DOI: 10.1155/2011/705346

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