Volume 5 Number 9 (Sep. 2010)
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JSW 2010 Vol.5(9): 934-941 ISSN: 1796-217X
doi: 10.4304/jsw.5.9.934-941

An Approximate Optimal Damping Control Method for Nonlinear Time-delay Systems with Disturbances

De-xin Gao1, 2, Jing-jing Wang3
1College of Automation and Electronic engineer Qingdao University of Science & Technology QingDao China
2College of Communication and Control Engineering Jiangnan University WuXi China
3College of infornation Science & Technology Qingdao University of Science & Technology QingDao China

Abstract—The optimal damping control for nonlinear time-delay systems with persistent disturbances is considered. Based on successive approximation approach (SAA), the optimal damping control (ODC) law is achieved by solving a decoupled sequence of inhomogeneous linear two-point boundary value (TPBV) problems without time-delay and time-advance terms. The ODC law of the original problem consists of accurate state feedback term, disturbance rejection term and a nonlinear time-delay compensation term, which is the limit of the adjoint vector sequence. By using the finite-time iteration of the compensation sequence, we can obtain an approximate optimal disturbance rejection control law. The proposed algorithms not only solve optimal control problems in the nonlinear time-delay system but also reduce the computation time and improve the precision. Numerical examples are included to illustrate the procedures.

Index Terms—nonlinear time-delay systems; optimal damping control; persistent disturbances; successive approximation approach

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Cite: De-xin Gao, Jing-jing Wang, "An Approximate Optimal Damping Control Method for Nonlinear Time-delay Systems with Disturbances," Journal of Software vol. 5, no. 9, pp. 934-941, 2010.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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