多时延网络控制系统实时误差分析

在多时延影响下，网络控制系统的控制效果将有所下降，甚至可能不稳定。针对这种情况，文章对系统输出误差变化与多个时延之间的关系进行了“量化”描述，并建立了两者之间的函数关系式Φ，通过Φ反映了多时延对系统性能的影响。文章最后通过实例仿真验证了该函数关系式的有效性。
关键词：多传输时延；实时误差；网络控制系统；
Real-Time Errors Analysis of Multiple Time-delays Networked Control System
LI Hua，Zhang Rong-biao，Zhang Yun-feng (Inst.of Electric and Information Engineering ,Jiangsu Univ.,Zhenjiang 212013,China) Abstract: Under multiple time-delays, the control effect will be affected, the  systemperformance will degenerate and even the system will be out of control. Aiming at this, the paper described the relation between the system output errors variety and multiple transmit delays by founding the function Φ. The usefulness of the Φ is validated at last.
Keywords: multiple transmit delays；real-time errors；networked control system