On variable structure output feedback controllers for uncertain dynamic systems

1993 ◽  
Vol 38 (10) ◽  
pp. 1509-1512 ◽  
Author(s):  
S.H. Zak ◽  
S. Hui
Keyword(s):  
Dynamic Systems ◽  
Output Feedback ◽  
Variable Structure ◽  
Feedback Controllers ◽  
Uncertain Dynamic Systems

A Sliding Mode Static Output Feedback Controller Based on Linear Matrix Inequalities Applied to an Aircraft System

2000 ◽  
Vol 122 (4) ◽  
pp. 656-662 ◽  
Author(s):  
Christopher Edwards ◽  
Sarah K. Spurgeon ◽  
Ashu Akoachere
Keyword(s):  
Output Feedback ◽  
Sliding Mode ◽  
Variable Structure ◽  
Linear Matrix ◽  
Optimization Approach ◽  
Static Output Feedback ◽  
Uncertain Dynamic Systems ◽  
Aircraft System ◽  
Output Information ◽  
Static Output

This paper presents a variable structure control design methodology for multi-input uncertain dynamic systems using only plant output information. Static output feedback is utilized in the design of the switching surface using a Linear Matrix Inequality approach recently proposed in the literature. A novel LMI based optimization approach is subsequently employed in the construction of the control law to guarantee that a sliding motion takes place. The efficacy of the algorithms is demonstrated on a nontrivial design example—an aircraft system representation which includes the flexible modes of the airframe. [S0022-0434(00)00204-5]

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