DocumentCode :
919599
Title :
The robust optimal control of uncertain systems-state space method
Author :
Chen, S.B.
Author_Institution :
Dept. of Autom. Control, Naval Aeronaut. Eng. Acad., Yantai, China
Volume :
38
Issue :
6
fYear :
1993
fDate :
6/1/1993 12:00:00 AM
Firstpage :
951
Lastpage :
957
Abstract :
The robust optimal control of linear uncertain systems with L 2-bounded uncertainties is addressed. The optimal state feedback control law in the so-called worst disturbance case is derived. The LQL method, minimax state estimation-maximin state feedback closed loop control scheme (LQL means linear quadratic L2-bounded uncertainties), is proposed. In a sense, the LQL method uses the idea of the linear-quadratic-Gaussian (LQG) method to treat H-optimizing design problems
Keywords :
closed loop systems; feedback; minimax techniques; optimal control; state estimation; state-space methods; L2-bounded uncertainties; LQL method; linear uncertain systems; minimax state estimation-maximin state feedback closed loop control; optimal state feedback control; robust optimal control; worst disturbance; Approximation error; Control systems; Control theory; Optimal control; Reduced order systems; Robust control; Robust stability; State feedback; Time domain analysis; Uncertain systems;
fLanguage :
English
Journal_Title :
Automatic Control, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9286
Type :
jour
DOI :
10.1109/9.222309
Filename :
222309
Link To Document :
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