Abstract
Nowadays, more and more field devices are connected to the central controller through a serial communication network such as fieldbus or industrial Ethernet. Some of these serial communication networks like controller area network (CAN) or industrial Ethernet will introduce random transfer delays into the networked control systems (NCS), which causes control performance degradation and even system instability. To address this problem, the adaptive predictive functional control algorithm is derived by applying the concept of predictive functional control to a discrete state space model with variable delay. The method of estimating the network-induced delay is also proposed to facilitate the control algorithm implementing. Then, an NCS simulation research based on TrueTime simulator is carried out to validate the proposed control algorithm. The numerical simulations show that the proposed adaptive predictive functional control algorithm is effective for NCS with random delays.
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This work was supported by National Natural Science Foundation of China (No. 60674024) and Ph.D. Programs Foundation of Civil Aviation University of China (No. 06QD04x), and Central College Basic Research Foundation (No. 2010D005).
Xiu-Lan Wang received the B. Sc. degree in electrical technology from Shenyang Institute of Chemical Technology, PRC in 2001, and the M. Sc. degree in control theory and control engineering from Shenyang Institute of Chemical Technology, PRC in 2004. Since 2004, she has been a Ph.D. candidate in Shanghai Jiao Tong University, PRC.
Her research interests include artificial intelligence theory and predictive control.
Chun-Guo Fei received the M. Sc. degree in detection technology and automatic equipment from Tianjin University of Technology, PRC in 2003, and the Ph.D. degree in control theory and control engineering from Shanghai Jiao Tong University, PRC in 2006. He is currently an associate professor at Department of Automation, College of Aeronautical Automation, Civil Aviation University of China.
His research interests include optimization algorithm and neural network control.
Zheng-Zhi Han received the Ph.D. degree from East China University of Science and Technology, PRC in 1988. He is currently a professor at School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, PRC.
His research interests include nonlinear control system theory, computer control system, and artificial intelligence theory.
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Wang, XL., Fei, CG. & Han, ZZ. Adaptive predictive functional control for networked control systems with random delays. Int. J. Autom. Comput. 8, 62–68 (2011). https://doi.org/10.1007/s11633-010-0555-z
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DOI: https://doi.org/10.1007/s11633-010-0555-z