一类多包传输网络控制系统的设计及稳定性分析

Design and Stability Analysis of a Class of Networked Control Systems with Multi packet Transmission

根据现场总线网络的传输特性, 提出了一种适用于多包传输网络控制系统的设计方法, 即控制器和传感器节点采取时间驱动方式工作, 执行器节点采用事件驱动方式; 将多包传输网络控制系统建模为切换控制系统. 然后基于切换系统分析方法和稳定性理论得出了网络控制系统指数稳定的充分条件. 最后,通过实例分析证实了本文所提设计方法的可行性, 以及理论的正确性.*

According to the transmission characteristics of field bus networks, a design approach is developed for NCS(networked control system) with multi packet transmission. In this approach, the controller and sensor nodes are time driven and the actuator node is event driven. The NCS is modeled as switched control systems. Based on the analytical methods of switched systems and stability theory, the sufficient conditions for stability of NCS with multi packet transmission are obtained. At last, the feasibility of the design approach and the validity of the proposed theory are proved through an example.