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首页> 外文期刊>International Journal of Control >Switching strategy in tracking constant references for linear time-varying delay systems with actuator failures
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Switching strategy in tracking constant references for linear time-varying delay systems with actuator failures

机译：跟踪恒定引用的切换策略与执行器故障的线性时变延迟系统常数引用

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摘要

Tracking of command constant references is a tracking control problem of fundamental importance. This problem for linear time-varying delay systems in the presence of actuator failures is solved in this article. The linear time-varying delay system with actuator failures is modelled as a switched linear time-varying delay system by utilising switching systems theory and a suitable control scheme. The polytopic technique is employed in order to cope with the time-varying, delay-derivative term in case its absolute value might exceed one. On the grounds of the average dwell-time approach, a switching tracking control law that is immune to actuator failures is designed and the conditions are derived such that the output of the linear time-varying delay system tracks given constant command references. Two illustrative examples along with the respective numerical and simulation results are presented to demonstrate the effectiveness of the proposed method.
机译：跟踪命令常量引用是一种基本重要性的跟踪控制问题。 在该文章中解决了在存在致动器故障存在下的线性时变延迟系统的这个问题。 具有致动器故障的线性时变延迟系统通过利用切换系统理论和合适的控制方案来建模为开关线性时变延迟系统。 在其绝对值可能超过一个的情况下，采用多种渗透技术以应对时变延迟衍生物术语。 在平均停留时间方法的基础上，设计了对致动器故障免疫的切换跟踪控制定律，导出条件，使得线性时变延迟系统的输出追踪恒定的命令参考。 提出了两个说明性示例以及各自的数值和仿真结果来证明所提出的方法的有效性。

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