Synthesis of an LMI-based fuzzy control system with guaranteed optimal H/sub /spl infin// performance
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© 1998 IEEE. This paper proposes a systematic design methodology for the Takagi-Sugeno (TS) model based fuzzy control system with guaranteed H∞ performance and additional constraints on the closed-loop pole location. These combined two objectives are formulated as a convex optimization problem involving LMIs (linear matrix inequality). To demonstrate the usefulness of the proposed design methodology, it is applied to the robust regulation problem of a nonlinear magnetic bearing system. Simulation results show that the proposed fuzzy controller yields the optimal disturbance rejection performance and the desired transient responses simultaneously.
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