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H_∞ output feedback control of networked control systems with multiple quantisers

机译:具有多个量化器的网络控制系统的H_∞输出反馈控制

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摘要

H_∞ output feedback control of a kind of multi-input and multi-output networked control system (NCS) with packet loss processes is considered in this paper, where the packet loss processes are modelled by independent Markov chains. Multiple quantisers are located at both of the sensor nodes and the controller nodes. For each quantiser, the quantisation density varies with the successive packet dropout number that the corresponding quantised signal experiences. A sufficient condition of the exponential stability with a prescribed H_∞ performance level is developed based on the Lyapunov-Krasovskii function approach. Then, a quantised dynamic output feedback controller is designed via a cone complement linearisation method. Finally, a simulation result is provided to demonstrate the effectiveness of the designed method.
机译:本文考虑一种具有丢包过程的多输入多输出网络控制系统的H_∞输出反馈控制,其中丢包过程由独立的马尔可夫链建模。多个量化器位于传感器节点和控制器节点上。对于每个量化器,量化密度随相应的量化信号经历的连续分组丢失数而变化。基于Lyapunov-Krasovskii函数方法,开发了具有规定H_∞性能水平的指数稳定性的充分条件。然后,通过锥补线性化方法设计了量化的动态输出反馈控制器。最后,通过仿真结果证明了所设计方法的有效性。

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