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网络控制系统优化设计研究
引用本文:章治,曾夏玲.网络控制系统优化设计研究[J].计算机仿真,2012,29(5):130-132,238.
作者姓名:章治  曾夏玲
作者单位:江西科技师范学院现代教育技术中心,江西南昌,330013
摘    要:研究网络控制系统的优化问题,提高系统的实时性。针对传统的网络控制系统是闭环系统,网络带宽有限,网络传输中的时间延迟、数据包丢失等问题不可避免。当发生以上情况时,反馈信号不能及时传回,造成控制信号发出延迟,影响了系统的实时性。为了解决上述问题,提出了一种非规律时滞补偿算法,把时滞信号引入自由权矩阵,能够得到延迟信号相关稳定性条件,并充分运用线性信号特征矩阵保证网络控制系统的性能,保证系统在线控制的实时性。证明改进方法能够避免控制信号延迟造成的滞后问题,提高了网络控制系统的实时性。

关 键 词:网络控制系统  补偿控制  实时

Network Control System Optimization Design Research
ZHANG Zhi , ZENG Xia-ling.Network Control System Optimization Design Research[J].Computer Simulation,2012,29(5):130-132,238.
Authors:ZHANG Zhi  ZENG Xia-ling
Affiliation:(Jiangxi Science & Technology Normal University;Technique Center of Modern Education;Nanchang Jiangxi 330013,China)
Abstract:Research network control system optimization and improve the system real-time.The traditional network control system is a closed loop system,network bandwidth is limited,network transmission time is often delayed,and packets are frequently lost.In order to solve this problem,this paper proposed a delay compensation algorithm based on delay control rule.The delay signal was introduced into liberty matrix,which can get the related stability conditions of delayed signals.Then based on the sufficient conditions,linear characteristic matrix signal was used to guarantee the network control system and ensure the performance of the system.Experiments show that the method can avoid the lag of caused control signals,and improve the network control system real-time.
Keywords:Network control system  Delay control  Real-time
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