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PDC Control Design for Non-holonomic Wheeled Mobile Robots with Delayed Outputs

机译:具有输出的非完整轮式移动机器人的PDC控制设计

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This paper presents a new technique for tracking-error model-based Parallel Distributed Compensation (PDC) control for non-holonomic vehicles where the outputs (measurements) of the system are delayed and the delay is constant. Briefly, this technique consists of rewriting the kinematic error model of the mobile robot tracking problem into a TS fuzzy representation and finding a stabilizing controller by solving LMI conditions for the tracking-error model. The state variables are estimated by nonlinear predictor observer where the outputs are delayed by a constant delay. To illustrate the efficiency of the proposed approach a comparison between the TS fuzzy observer and the nonlinear predictor observer is shown. For this study the reference trajectory is built by taking into account the acceleration limits of the mobile robot. All experiments are implemented on simulation and the real-time platform.
机译:本文提出了一种新的技术,用于基于跟踪误差模型的非完整车辆的并行分布式补偿(PDC)控制,其中系统的输出(测量值)被延迟,并且延迟是恒定的。简而言之,该技术包括将移动机器人跟踪问题的运动误差模型重写为TS模糊表示,并通过解决跟踪误差模型的LMI条件来找到稳定控制器。状态变量由非线性预测器观察器估计,其中输出被延迟恒定的延迟。为了说明所提出方法的效率,在TS模糊观测器和非线性预测观测器之间进行了比较。对于本研究,参考轨迹是通过考虑移动机器人的加速度极限来构建的。所有实验均在仿真和实时平台上进行。

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