Zhong-Da Tian, Xian-Wen Gao, Bi-Lian Gong and Tong Shi. Time-delay Compensation Method for Networked Control System Based on Time-delay Prediction and Implicit PIGPC. International Journal of Automation and Computing, vol. 12, no. 6, pp. 648-656, 2015. DOI: 10.1007/s11633-015-0897-7
Citation: Zhong-Da Tian, Xian-Wen Gao, Bi-Lian Gong and Tong Shi. Time-delay Compensation Method for Networked Control System Based on Time-delay Prediction and Implicit PIGPC. International Journal of Automation and Computing, vol. 12, no. 6, pp. 648-656, 2015. DOI: 10.1007/s11633-015-0897-7

Time-delay Compensation Method for Networked Control System Based on Time-delay Prediction and Implicit PIGPC

  • A network time-delay compensation method based on time-delay prediction and implicit proportional-integral-based generalized predictive controller (PIGPC) is proposed. The least squares support vector machine (LSSVM) is used to predict the current time-delay, the parameters of the least squares support vector machine are optimized by particle swarm optimization (PSO) algorithm, and the predicted time-delay is used instead of the actual time-delay as the parameters of the network time-delay compensation controller. In order to improve the compensation effect of implicit generalized predictive controller (GPC), this paper puts forward an implicit generalized predictive control algorithm with proportional-integral-based (PI) structure and designs the controller based on implicit PIGPC. Through the simulation results, the effectiveness of this design in the paper is verified.
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