The algorithms of improved GPC network time-delay compensation based on online time-delay estimation

被引：3
|
作者：
Shi W. [1 ,2 ]
Shao C. [1 ]
Sun Z. [2 ]
机构：
[1] School of Electronic and Information Engineering, Dalian University of Technology, Dalian, Liaoning
[2] College of Electrical and Information, Dalian Jiaotong University, Dalian, Liaoning
来源：
Journal of Convergence Information Technology | 2011年 / 6卷 / 03期
关键词：
Generalized predictive control; Network control system; Network-induced delays; Time-delay prediction;
D O I：
10.4156/jcit.vol6.issue3.6
中图分类号：
学科分类号：
摘要：
In the network control system, the random network time-delay can usually deteriorate the control performance and stability of networked control systems. To solve this problem, this paper establishes the AR model for network time-delays and uses online and parameter self-tuning LMS algorithm to predict time-delay. Then adopting improved GPC based on state-space model to compensate the time-delay. Finally, simulation results show that this method has a good effect on time-delays compensation and has a good real-time because of the small amount of on-line calculation.
引用
收藏
页码：46 / 54
页数：8
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