Abstract
In this paper, the tracking performance of networked control systems (NCSs) under energy constraints with time-delay and encoding-decoding is studied. Through spectral factorization and partial decomposition techniques, we can obtain the explicit representation of the optimal performance. It is shown that the optimal performance is affected by non minimum phase (NMP) zeros, unstable poles and other multiple communication constraints such as time-delay, encoding-decoding and additive white Gaussian noise (AWGN). At the same time, the obtained result shows that a two-parameter compensator is superior to a one-parameter compensator. In addition, it is found that time-delay, encoding-decoding and AWGN affected the tracking capability of NCSs. Finally, an example is given for verifying the correctness of the conclusions.
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Recommended by Associate Editor Xian-Ming Zhang under the direction of Editor PooGyeon Park. This paper was partially supported by the National Natural Science Foundation of China under Grants 61971181, 61602163, 61471163 and 61673178, the Science Fund for Distinguished Young Scholars of Hubei Province under Grant 2017CFA034, Program of Shanghai Academic Research Leader under Grant 19XD1421000, Shanghai Shuguang Project under Grant 16SG28, and Project of Shanghai Municipal Science and Technology Commission under Grant 17DZ1205000, the Youth Technology Innovation Team of Hubei Province under Grant T201710.
Jun-Wei Hu is pursuing an M.S. degree in College of Mechatronics and Control Engineering, Hubei Normal University, Huangshi, China. He research interest is networked control systems.
Xi-Sheng Zhan is a professor in College of Mechatronics and Control Engineering, Hubei Normal University. He received his B.S. and M.S. degrees in Control Theory and Control Engineering from the Liaoning Shihua University, Fushun, China, in 2003 and in 2006 respectively. He received his Ph. D. degree in Control Theory and Applications from the Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, China, in 2012. His research interests include networked control systems, robust control and iterative learning control.
Jie Wu is an associate professor in College of Mechatronics and Control Engineering, Hubei Normal University. She received her B.S. and M.S. degrees in Control Theory and Control Engineering from the Liaoning Shihua University, Fushun, China, in 2004 and in 2007, respectively. Her research interests include networked control systems, robust control and complex network.
Huai-Cheng Yan is a Professor with the School of Information Science and Engineering, East China University of Science and Technology. He received his B.S. in Automatic Control from Wuhan University of Technology, Wuhan, China, in 2001, and received a Ph.D. degrees in Control Theory and Control Engineering from the Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, China, in 2007. His current research interests include net-worked systems and multi-agent systems, etc.
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Hu, JW., Zhan, XS., Wu, J. et al. Optimal Tracking Performance of NCSs with Time-delay and Encoding-decoding Constraints. Int. J. Control Autom. Syst. 18, 1012–1022 (2020). https://doi.org/10.1007/s12555-019-0300-5
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DOI: https://doi.org/10.1007/s12555-019-0300-5