首页|Observer-based fuzzy feedback control for nonlinear systems subject to transmission signal quantization
Observer-based fuzzy feedback control for nonlinear systems subject to transmission signal quantization
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NSTL
Elsevier
This paper investigates the observer-based quantized output feedback control for a kind of nonlinear discrete-time systems. The system studied in this paper is denoted by a Takagi-Sugeno (T-S) fuzzy model. Under digital communication channels, all transmitted signals between the system and the actuator (including the controller and the observer) will be quantized by the dynamic quantizers in the closed-loop system. Taking into consideration the design of the controller, observer, and dynamic parameters of quantizers, an effective matrix inequality decoupling method is presented to handle the problem. One is shown that the proposed design conditions of the controller, observer, dynamic parameters of quantizers are summarized in a matrix inequality, which can be synthesized synchronously. The resulting design ensures that the quantized closed-loop system can meet the prescribed H-infinity performance. Finally, the availability and the feasibility of the presented design method are demonstrated by a mechanical motion system. (C) 2021 Published by Elsevier Inc.
NSTL
Elsevier
