Abstract
In this paper, we study the global practical output tracking problem for a class of switched nonlinear systems via sampled-data output feedback control. Both the input signal and the output signal are quantized for the sake of less communication burden. The Filippov solution and differential inclusion are adopted to analyze the resulting discontinuous system. Accordingly, an observer is designed to estimate the unmeasurable states at the sampling points. Then, a linear sampled-data output feedback controller is designed with a proper choice of the sampling period, the quantization parameter and the design parameters. Finally, a numerical example and a practical example are presented to verify the effectiveness of the proposed scheme.
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Recommended by Editor Jessie (Ju H.) Park. This work is supported by the National Natural Science Foundation of China [grant numbers 61873061 and 61473082], Qing Lan Project, and PAPD.
Yan Jiang received her M.S. degree from College of Mathematics and Information Science, Guangxi University, Nanning, China, in 2016. She is currently pursuing a Ph.D. degree at School of Automation, Southeast University, Nanjing, China. Her research interests include switched systems, nonlinear systems, time-delay systems, stochastic systems, adaptive control, and sampled-data control.
Junyong Zhai received his Ph.D. degree in Automatic Control from Southeast University in 2006. From September 2009 to September 2010, he was a postdoctoral research fellow at the University of Texas at San Antonio. He is a professor at the School of Automation, Southeast University. His research interests include nonlinear systems control, robot control, stochastic time-delay systems, and multiple models switching control.
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Jiang, Y., Zhai, J. Global Practical Tracking for a Class of Switched Nonlinear Systems with Quantized Input and Output via Sampled-data Control. Int. J. Control Autom. Syst. 17, 1264–1271 (2019). https://doi.org/10.1007/s12555-018-0627-3
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DOI: https://doi.org/10.1007/s12555-018-0627-3