摘要
网络化控制系统的出现无疑大大推动了现代控制技术的发展 ,但这同时又对控制理论和信息技术提出了新的要求。对 3种比较典型的控制网 (EthernetBus ,Token passingBus ,CANBus)进行了较详尽的对比分析 ,以便根据不同的控制要求来选择不同的控制网络 ;介绍了几种网络化控制系统的稳定性判定方法 ,探讨了几种主要的网络参数 (信息的最大允许传输间隔τ以及采样率h)对整个控制系统性能的影响 ;说明了信息技术与控制理论相结合的重要性。
The appearance of networked control system has definitely boosteol the development of modern control technique. But at the same time it also puts forward to new requirements to our control theory and information technique. In this paper three typical control network(Ethernetobus, token-passing bus, CAN bus) are compared and analyzed ,so that man can select the matched control network according to the different control requirements. Then some theories are introduced to analyze the stability of NCSs. The affect of some network factors to the NCSs , such as network-induced delay, data packet dropout and so on, are also summarily discussed. Finally the importance of the combination between the control theory andthe information technique is emphasized.
出处
《控制工程》
CSCD
2002年第5期21-23,29,共4页
Control Engineering of China
基金
国家教育部高等学校骨干教师资助项目 ( [2 0 0 0 ] 6 5 )
上海市曙光计划资助项目 ( 990 6 8)
