【摘 要】
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Event-Triggered control is a control strategy based on event rather than time.Compared with conventional digital control system where sampling is executed periodically,Event-Triggered control strategy
【机 构】
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Department of Automation,Shanghai Jiaotong University,Shanghai200240,China
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Event-Triggered control is a control strategy based on event rather than time.Compared with conventional digital control system where sampling is executed periodically,Event-Triggered control strategy executes control tasks only when well-designed event condition is not satisfied,which significantly reduces the utilization of computation and communication resource.In this paper,an event condition where system state errorsare compared with systemstates are proposed,and the constraintto which event parameter should subject to make linear system asymptotically stable are determined.Minimum interval bound which means that theZeno behavior would not occur is justified.Then the relationship of event parameter and the bound of system perturbation under obtained event condition are revealed.Based on above results,coordinated design of event-triggered controller where controller gain and event parameter are determined simultaneously is presented.The method not only reduces resource utilization but also enhances system robustness.Finally,numerical examples are given to demonstratethe validity and potential of all the results.
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