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针对短时延网络控制系统,提出了将时变采样周期分成为定常采样周期和网络诱导时延的和.建立了系统离散模型,将采样周期的不确定性转换成系统参数的不确定性.研究设计了最优保性能状态反馈控制器,基于线性矩阵不等式的可行解给出了控制器参数.仿真证明了该方法的有效性,比较于其他的设计方式,该方法的计算量小.
For short-delay networked control system, the time-varying sampling period is divided into a constant sampling period and a network induced delay, and a system discrete model is established to convert the uncertainty of sampling period into the uncertainty of system parameters. The optimal guaranteed state feedback controller is designed and studied, and the controller parameters are given based on the feasible solutions of the linear matrix inequalities.The simulation results show the effectiveness of the proposed method. Compared with other design methods, this method has a small computation load.