Non-fragile static output feedback control for singular T–S fuzzy delay-dependent systems subject to Markovian jump and actuator saturation

2016 ◽  
Vol 353 (11) ◽  
pp. 2373-2397 ◽  
Author(s):  
Yuechao Ma ◽  
Menghua Chen ◽  
Qingling Zhang
Keyword(s):  
Feedback Control ◽  
Output Feedback ◽  
Actuator Saturation ◽  
Output Feedback Control ◽  
Static Output Feedback ◽  
Markovian Jump ◽  
Static Output Feedback Control ◽  
Delay Dependent ◽  
Static Output

H∞ static output feedback control for electrical power steering subject to actuator saturation via fuzzy Lyapunov functions

2019 ◽  
Vol 41 (12) ◽  
pp. 3340-3351 ◽  
Author(s):  
Mohamed Nasri ◽  
Dounia Saifia ◽  
Mohammed Chadli ◽  
Salim Labiod
Keyword(s):  
Feedback Control ◽  
Output Feedback ◽  
Actuator Saturation ◽  
Electrical Power ◽  
Output Feedback Control ◽  
Static Output Feedback ◽  
Power Steering ◽  
Fuzzy Lyapunov Function ◽  
Static Output Feedback Control ◽  
Static Output

This paper presents an H∞ static output-feedback control of electrical power steering (EPS) subject to actuator saturation. It deals with different practical problems in designing control of EPS systems, such as unavailability for measurement of the sideslip angle, friction effect, disturbances and the assist motor input current optimization. In order to guarantee good and stable driving, the nonlinear model of the EPS combined with bicycle model of electrical vehicles is used. Firstly, a new Takagi-Sugeno model is established, then using a fuzzy Lyapunov function, an H∞ static output-feedback is designed in terms of linear matrix inequalities. Finally, the proposed control schemes are applied to an EPS system. Simulation results and comparison with previous works show the effectiveness of the proposed control methods.

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