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Improved Observer-based Event-Triggered Control for Switched Delay Systems with Input Quantization

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Abstract

This paper is concerned with an improved observer-based event-triggered control for the switched delay system with input quantization. Switching and triggering can result in mismatch between the system and the controller and infinite sampling within a finite time. In order to deal with the above problem, first of all, considering that the system state may not be completely known, a novel observer-based event-triggered mechanism is designed by combining the jump function and triggering error, in which the jump function is used to reflect the degree of mismatch between the system and the controller. Then, without limiting the switching times within the triggering interval, the average dwell time switching condition and quantizer are proposed to ensure the exponential stability of the switched delay system. At last, a numerical example is given to illustrate the validity of the results.

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The authors declare that the data supporting the findings of this study are available within the article.

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Acknowledgements

This work was supported by the Fundamental Research Funds for the Central Universities under Grant GK201905001, Funded Projects for the Academic Leaders and Academic Backbones, Shaanxi Normal University: 18QNGG005, and the Natural Science Basic Research Plan in Shaanxi Province of China (Program No. 2021JM-208).

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Authors and Affiliations

  1. School of Mathematics and Statistics, Shaanxi Normal University, Xi’an, 710119, China

    Xumei Wang, Baowei Wu, Yue-E Wang & Lili Liu

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  1. Xumei Wang
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  2. Baowei Wu
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  3. Yue-E Wang
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  4. Lili Liu
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Correspondence to Baowei Wu.

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Wang, X., Wu, B., Wang, YE. et al. Improved Observer-based Event-Triggered Control for Switched Delay Systems with Input Quantization. Circuits Syst Signal Process 41, 3755–3776 (2022). https://doi.org/10.1007/s00034-022-01978-9

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