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Intelligent Scheduling Control of Networked Control Systems with Networked-induced Delay and Packet Dropout  

Li, Hongbo (Department of Computer Science and Technology, State Key Laboratory of Intelligent Technology and Systems, Tsinghwa University)
Sun, Zengqi (Department of Computer Science and Technology, State Key Laboratory of Intelligent Technology and Systems, Tsinghwa University)
Chen, Badong (Department of Computer Science and Technology, State Key Laboratory of Intelligent Technology and Systems, Tsinghwa University)
Liu, Huaping (Department of Computer Science and Technology, State Key Laboratory of Intelligent Technology and Systems, Tsinghwa University)
Sun, Fuchun (Department of Computer Science and Technology, State Key Laboratory of Intelligent Technology and Systems, Tsinghwa University)
Publication Information
International Journal of Control, Automation, and Systems / v.6, no.6, 2008 , pp. 915-927 More about this Journal
Abstract
Networked control systems(NCSs) have gained increasing attention in recent years due to their advantages and potential applications. The network Quality-of-Service(QoS) in NCSs always fluctuates due to changes of the traffic load and available network resources. To handle the network QoS variations problem, this paper presents an intelligent scheduling control method for NCSs, where the sampling period and the control parameters are simultaneously scheduled to compensate the effect of QoS variation on NCSs performance. For NCSs with network-induced delays and packet dropouts, a discrete-time switch model is proposed. By defining a sampling-period-dependent Lyapunov function and a common quadratic Lyapunov function, the stability conditions are derived for NCSs in terms of linear matrix inequalities(LMIs). Based on the obtained stability conditions, the corresponding controller design problem is solved and the performance optimization problem is also investigated. Simulation results are given to demonstrate the effectiveness of the proposed approaches.
Keywords
Linear matrix inequalities(LMIs); networked control systems(NCSs); network-induced delay; packet dropout; quality-of-service(QoS); stability;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 9  (Related Records In Web of Science)
Times Cited By SCOPUS : 8
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