Abstract
This paper studies the dual-side event-triggered output feedback H∞ control for networked control system with network-induced delays. Unlike continuous-time event-triggered mechanism (ETM) or state-dependent ETM, the discrete dual-side ETMs are firstly proposed by using plant output and controller output, respectively, which effectively reduce transmission rate of sampled data in both sensor-to-controller and controller-to-actuator channels. Then, the closed-loop system is modelled as a time-delay system, which characterizes effects of the dual-side ETMs and networked-induced delays in a unified framework. Based on the system model, asymptotic stability criterion satisfying H∞ performance is derived, and conservatism is reduced by the delay decomposition method and reciprocally convex approach. Moreover, a co-design scheme is presented to design the dual-side ETMs and controller simultaneously, which is more convenient than two-step design method requiring controllers to be given a priori. Finally, examples confirm effectiveness of the proposed method.
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Recommended by Associate Editor M. Chadli under the direction of Editor PooGyeon Park. This work was supported by National Natural Science Foundation of China under grant 61703146, 61673255, Key Scientific and Research Project of the Education Department of Henan Province under grants 16B413002 and 15A510028, Scientific and Technological Project of Henan Province under grant 172102210043 and 162102110108, Scientific and Technological Innovation Project of Henan Agricultural University under grants KJCX2016A09, KJCX2015A17 and KJCX2015A19.
Fuqiang Li received the Ph.D. degree in Control Theory and Control Engineering from Shanghai University in 2016. He is a postdoctoral researcher in Shanghai University. He is also an associate professor in Henan Agricultural University. His research interests include networked control system and event-triggered control system.
Lisai Gao received the M.S. degree in Control Theory and Control Engineering from Zhengzhou University in 2011. She is a senior engineer. She is currently a Ph.D. candidate in Control Theory and Control Engineering at Shanghai University. Her research interests include networked control systems.
Gensheng Dou received the M.S. degree in Electronics and Communications Engineering from PLA Information Engineering University in 2010. He is a lecturer in Henan Agricultural University. His research interests include hybrid system and networked control system.
Baozhou Zheng received the M.S. degree in Control Theory and Control Engineering from Zhengzhou University in 2006. He is a lecturer in Henan Agricultural University. His research interests include complex system control and eventtriggered control system.
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Li, F., Gao, L., Dou, G. et al. Dual-side Event-triggered Output Feedback H∞ Control for NCS with Communication Delays. Int. J. Control Autom. Syst. 16, 108–119 (2018). https://doi.org/10.1007/s12555-016-0407-x
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DOI: https://doi.org/10.1007/s12555-016-0407-x