Feedforward and feedback optimal control for networked control systems with long time-delay

Authors:
Yong Zhang;Gong-You Tang
Affiliations:
College of Information and Control Engineering, China University of Petroleum, Dongying, China;College of Information Science and Engineering, Ocean University of China, Qingdao, China
Venue:
CCDC'09 Proceedings of the 21st annual international conference on Chinese Control and Decision Conference
Year:
2009

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Abstract

An optimal disturbance attenuation approach for networked control systems with network-induced time-delay is considered in this paper. Based on fuzzy fusion technology, the system with long control time-delay is transformed into the one without time-delay formally. The Kalman filter is employed for the optimal state estimate of white-noise processes, and the physically realizable problem of optimal disturbance attenuation control law is solved. Then the existence and uniqueness conditions of feedforward and feedback optimal control law are proposed, and the algorithm of solving the optimal control problem is presented. Finally, a simulation example is employed to verify the validity of the proposed control algorithm.