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State feedback performance recovery via an observer in H∞ robust control |
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| Authors: | Tielong Shen Katsutoshi Tamura |
| Affiliation: | Department of Mechanical Engineering, Sophia University, Kioichyo 7-1, Chiyodaku, Tokyo, Japan |
| Abstract: | The paper is concerned with H∞ robust suboptimal control problem for linear time-invariant systems with structural uncertainties. The main result shows that if there exists a state feedback gain matrix which ensures H∞robust suboptimally of the closed-loop system, then the robust performance achieved by the state feedback can be asymptotically recovered by a controller with high-gain observer. |
| Keywords: | Performance recovery H∞ robust control state feedback high-gain observer structural uncertainty |
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