有网络限制的MIMO网络化控制系统的稳定性 分析与控制器设计

Stability Analysis and Static Output Feedback Control for MIMO Networked Control Systems with Network Constraints

  • 摘要: 为了解决网络约束的情况下多输入多输出(MIMO)网络化控制系统(networked control systems, NCSs)的镇定分析和控制器设计问题,在有限网络接入通道的条件下,为MIMO网络化控制系统建立一个离散切换时滞模型. 基于所建立的新型切换Lyapunov-Krasovskii方程,提出一个新的线性矩阵不等式的稳定标准;在获得稳定条件的情况下,应用迭代算法设计出静态输出反馈控制器. 数字仿真结果表明了所提出方法的创新性和有效性.

     

    Abstract: This paper is concerned with the stability analysis and controller design for a class of MIMO networked control systems (NCSs) with network constraints. In view of MIMO NCSs where network is of limited access channels, a discrete-time switched delay model is formulated. By constructing a novel switched Lyapunov-Krasovskii function, a new stability criterion is developed in terms of linear matrix inequalities. On the basis of the obtained stability condition, a static output feedback controller is designed by applying an iterative algorithm. A numerical example is given to show the effectiveness of the proposed method.

     

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