✦ LIBER ✦

Reliable nonlinear control system design using duplicated control elements

✍ Scribed by Yuqiong Liu; Jianliang Wang; Guang-Hong Yang; C. B. Soh

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 223 KB
Volume: 7
Category: Article
ISSN: 1049-8923
DOI: 10.1002/(sici)1099-1239(199712)7:12<1103::aid-rnc343>3.0.co;2-r

No coin nor oath required. For personal study only.

✦ Synopsis

Reliable ¸ gain bounding (i.e., H

) controllers for nonlinear systems are designed by using redundant control elements. One sensor and one actuator are duplicated, and the resulting closed-loop system is reliable with respect to both the single contingency case and the primary contingency case. The design procedures for reliable controllers are developed by using the Hamilton-Jacobi inequalities from nonlinear H control theory. Linear reliable controller design methods are also obtained by restricting the proposed nonlinear methods to the linear case, and the linear methods are found to be less conservative than existing methods for linear reliable controller design. Examples are given to illustrate the design procedures for both linear and nonlinear reliable controllers and the advantages of the proposed linear method over existing ones.

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