Unknown Input Observer Design for Takagi-Sugeno Systems with Fuzzy Output Equation

This paper studies unknown input observer design for discrete-time Takagi-Sugeno fuzzy systems. The proposed unknown input observer has a new structure that can be applied to Takagi-Sugeno fuzzy systems with nonlinear output equation. We derive the design conditions of the proposed unknown input obs...

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Bibliographic Details
Published in:International journal of control, automation, and systems 2019, Automation, and Systems, 17(1), , pp.267-272
Main Authors: Li, Jitao, Wang, Zhenhua, Shen, Yi, Liu, Yipeng
Format: Article
Language:English
Subjects:
Co-design
Control
Engineering
Mathematical models
Mechatronics
Optimal control
Predictive control
Regular Papers
Robotics
Routing
Sensors
Switching theory
Time optimal control
Wireless communications
Wireless networks
제어계측공학
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Summary:This paper studies unknown input observer design for discrete-time Takagi-Sugeno fuzzy systems. The proposed unknown input observer has a new structure that can be applied to Takagi-Sugeno fuzzy systems with nonlinear output equation. We derive the design conditions of the proposed unknown input observer based on Lyapunov function and convert them into a set of linear matrix inequalities. Numerical simulations of a vehicle lateral dynamics are given to illustrate the effectiveness of the proposed method.
ISSN:1598-6446
2005-4092
DOI:10.1007/s12555-018-0170-2