最早截止期优先的网络控制系统动态调度研究  

Research on Earliest Deadline First Network Control System Dynamic Scheduling

作　　者：夏荣坤[1,2] 蒋蓉蓉[1,2] 胡天水[1,2] 

机构地区：[1]安徽工程大学,安徽芜湖241000 [2]安徽检测技术与节能装置省级实验室,安徽芜湖241000

出　　处：《重庆理工大学学报（自然科学）》2015年第3期105-109,共5页Journal of Chongqing University of Technology：Natural Science

基　　金：国家自然科学基金资助项目(61172131;61203034);安徽省自然科学基金资助项目(1308085QF120)

摘　　要：网络控制是涉及计算机技术、自动控制技术、通信技术和最优化理论等的综合学科,网络调度对网络控制系统性能的影响是近年来国际学术界研究的热点。介绍了网络控制系统的基本组成和可调度性分析方法,提出一种由实时任务调度理论改进的网络动态调度理论——最早截止期优先(EDF)动态调度算法,并在控制器局域网络下采用Truetime与Simulink仿真工具共同构建了多回路的网络控制系统。仿真实验结果表明:最早截止期优先动态调度算法可以在不确定的网络环境下使各回路控制器性能达到最优。Networked control system is a comprehensive subject of integrated computer technology,automatic control,communication technology,optimization theory,and so on. The effect of network scheduling on the property of network control system is a hot issue in the research of international academic circles in recent years. This paper introduced the basic composition and network control system schedulability analysis method,and put forward a network dynamic scheduling theory improved by real-time scheduling theory- Earliest Deadline First（ EDF） dynamic scheduling algorithm,and constructed multi loop networked by using Truetime and Simulink toolbox under CAN network. Simulation results show that the first dynamic scheduling algorithm of earliest deadline can make the optimal performance of each loop controller in the uncertain network environment.

关 键 词：网络控制系统 网络调度 最早截止期优先 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]