Discrete-time event-triggered H-infinity stabilization for networked cascade control systems with uncertain delay |
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| Institution: | 1. College of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, China;2. College of Automation, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu 210023, China;1. School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China;2. School of Engineering, Qufu Normal University, Rizhao 276800, China;1. School of Mathematics Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, PR China;2. College of Electrical and Information Engineering, Southwest Minzu University, Chengdu, 610041, PR China;3. School of Information Science and Engineering, Chengdu University, Chengdu, 610106, PR China;1. School of Artificial Intelligence, Hebei University of Technology, Tianjin, 300401, PR China;2. Institute of Advanced Technology, Nanjing University of Posts and Telecommunications, Nanjing, 210023, PR China;3. School of Control and Computer Engineering, North China Electric Power University, Beijing, 102206, PR China;1. School of Electronics and Information, Nantong University, Nantong, Jiangsu 226019, PR China;2. School of Mathematical Sciences, Chongqing Normal University, Chongqing 401331, PR China;3. Department of Electrical Engineering, Yeungnam University, 280 Daehak-Ro, Kyongson 38541, Republic of Korea |
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| Abstract: | This paper is concerned with the problem of discrete-time event-triggered H∞ control for networked cascade control systems (NCCSs) with time-varying network-induced delay. First of all, an event-triggered scheme is introduced to this system for reducing the unnecessary waste of limited network bandwidth resources. Considering the effect of time-varying delay, a new mathematical model for this system is constructed. In this paper, based on the model and Lyapunov functional method, the co-design method of event-triggered parameter, state feedback primary controller and secondary controller with H∞ performance is derived via linear matrix inequality technique. To illustrate the effectiveness of the proposed method, a simulation example considering a main steam temperature cascade control system is given. The proposed method emphasizes the application in the corresponding industrial control systems, it can be found that this method is superior to the one in some existing references, and the provided example demonstrates the effectiveness of the co-design method in the networked cascade control systems with event-triggered scheme. |
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