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Event-triggered Control for Linear Systems with Model Uncertainty and Clock Offset

  • Control Theory and Applications
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International Journal of Control, Automation and Systems Aims and scope Submit manuscript

Abstract

This paper investigates the input-to-state stability (ISS) of continuous-time networked control systems with model uncertainty and bounded noise based on event-triggering. The information generated at the sensor is quantized and transmitted to the controller through a digital communication channel, which suffers from the network-induced time delay and clock offset. In the concerned event-triggering framework, such clock offset may cause long-term inconsistency between the state estimates of the sensor and the controller, and leads to the failure of ISS. By designing a well-designed state-dependent event-triggering threshold and updating methods, it can still ensure ISS for the concerned system in the presence of bounded clock offset and model uncertainty without exhibiting Zeno behavior. Simulations are done to verify the achieved results.

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Authors and Affiliations

  1. The University of Science and Technology of China, Hefei, 230027, China

    Xiang-hua Jiang & Qiang Ling

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  1. Xiang-hua Jiang
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  2. Qiang Ling
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Correspondence to Qiang Ling.

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Recommended by Associate Editor Shun-ichi Azuma under the direction of Editor Myo Yaeg Lim. This work was supported by the National Natural Science Foundation of China under Grant 61973289, the National Key Research and Development Program of China under Grant 2016YFC0201003, and the Technological Innovation Project for New Energy and Intelligent Networked Automobile Industry of Anhui Province.

Xiang-hua Jiang received his B.S. degree in Mathematics from University of Science and Technology of China, Hefei, China, in 2017, and is currently pursuing an M.E. degree at University of Science and Technology of China. His research interests include event-triggered control and model-based control systems.

Qiang Ling is a Professor with Dept. of Automation in the University of Science and Technology of China. He received his B.S. degree from the University of Science and Technology of China, Hefei, China, in 1997, an M.E. degree from Tsinghua University, Beijing, China, in 2000, and the Ph.D. degree from University of Notre Dame, Notre Dame, IN, in 2005. He worked as a Research Staff Member in Seagate Technology from 2005 to 2008. He joined the University of Science and Technology of China in 2008. His research interests include networked control systems and signal processing. He is currently serving as an Associate Editor on the IEEE Control Systems Society Conference Editorial Board.

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Jiang, Xh., Ling, Q. Event-triggered Control for Linear Systems with Model Uncertainty and Clock Offset. Int. J. Control Autom. Syst. 18, 2552–2561 (2020). https://doi.org/10.1007/s12555-018-0893-0

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  • DOI: https://doi.org/10.1007/s12555-018-0893-0

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