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Periodic Switched Control of Dual-Rate Sampled-Data Systems

机译：双速率采样数据系统的周期切换控制

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摘要

This paper is concerned with the periodic switched control of a linear dual-rate sampled-data system. The state variables of the continuous-time plant are sampled by two types of sensors. The ratio of two sampling rates is assumed to be a rational number. Depending on whether the sampled-data of state variables at two sampling rates is available simultaneously or separately, a periodic switched controller is constructed. Applying an input delay approach, the closed-loop system is modeled as a switched system with subsystems having different input delays. Some delay-dependent criteria for the H-infinity performance of the switched system and the existence of the switched controller are derived by employing a Lyapunov-Krasovskii functional that includes information about two sampling periods. The dual-rate sampled-data control of a vehicle dynamic system is given to show that the proposed method is effective and it can achieve a better H-infinity control performance than the single-rate design method.
机译：本文涉及线性双速率采样数据系统的周期切换控制。连续时间工厂的状态变量由两种类型的传感器采样。假定两个采样率之比为有理数。根据是否同时或分别获得两个采样率的状态变量的采样数据，构造了一个周期性的开关控制器。应用输入延迟方法，将闭环系统建模为具有子系统的输入延迟不同的开关系统。通过使用包含有关两个采样周期信息的Lyapunov-Krasovskii函数，可以得出一些有关切换系统H无限性能的时延相关标准以及切换控制器的存在。给出了车辆动态系统的双速率采样数据控制，表明该方法是有效的，并且比单速率设计方法具有更好的H-∞控制性能。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第12期|515232.1-515232.16|共16页
  • 作者

    Zhang Dawei; Bai Wei; Jia Xinchun;

  • 作者单位

    Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China;

    Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China;

    Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China;

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