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Stochastic Delay Compensation of Networked Control Systems Based onModel Reference Adaptive Control Method
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[1]Ll Jian-yong,ZHAO Feng,DING Qing-qing.Stochastic Delay Compensation of Networked Control Systems Based onModel Reference Adaptive Control Method[J].Journal of Zhengzhou University (Engineering Science),2015,36(04):6-9.[doi:10.3969/ j. issn.1671 -6833.2015.04.002]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 36 Number of periods: 2015 04 Page number: 6-9 Column: Public date: 2015-08-31
Title:
Stochastic Delay Compensation of Networked Control Systems Based onModel Reference Adaptive Control Method
Author(s):
Ll Jian-yong1; ZHAO Feng2; DING Qing-qing1
1.School of Computer& Communication Engineering , Zhengzhou University of Light Industry ， Zhengzhou 450001 , China; 2.School of Electrical Engineering, Zhengzhou University , Zhengzhou 450001 , China ; 3. Department of Electrical Engineering,T-inghua University ，Beijing 100084 , China
Keywords:
networked control system;  model reference adaptive control; stochastic delay compensation; Smith predictor
CLC:
TQ203.2
DOI:
10.3969/ j. issn.1671 -6833.2015.04.002
Abstract:
Stochastic delay and packet loss decline the performance of networked systems and even make it un-stable. This paper proposed a novel stochastic delay compensation strategy based on model reference adaptivecontrol and dual Smith predictor. First,by introducing a joined Smith predictor at the controller and actuatorterminal end , the stochastic delay compensation problem is transformed to the model matching problem. Then,a model reference adaptive controlled is designed to make the Smith predictor model and the real system modelmatch with each other and to achieve the full compensation of random delay. The simulation results show thatthe proposed strategy can effectively compensate the network delay and has better real-time property.
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