Abstract
This paper is concerned with the problem of decentralized robust $${{\mathscr {H}}}_{\infty }$$ output feedback control for a class of continuous-time nonlinear large-scale systems based on T–S fuzzy affine models. Based on a common quadratic Lyapunov function and piecewise quadratic Lyapunov functions, some new results are proposed to the asynchronous observer-based controller synthesis for T–S fuzzy affine large-scale systems with unmeasurable premise variables. The observer and controller gains can be attained through solving a set of linear matrix inequalities. Finally, two simulation examples are presented to verify the effectiveness of the proposed approaches.
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