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Stability and convergence rate analysis of continuous-time delay-difference systems with both point and distributed delays

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  • Qianqian Zhang
  • Zhao-Yan Li
  • Bin Zhou

Abstract

This paper studies the exponential stability and convergence rate analysis of continuous-time delay-difference systems. Firstly, stability and convergence rate analysis of delay-difference systems with both point delays and distributed delays having exponential integral kernels are studied by using the weighted Lyapunov–Krasovskii functionals (LKFs) approach and the state transformation approach, respectively. Different sufficient stability conditions expressed by linear matrix inequalities (LMIs) are presented. Secondly, as a particular case, LMIs based conditions and spectral radius based conditions are given to ensure the exponential stability with a guaranteed convergence rate for delay-difference systems with both point delays and distributed delays having constant integral kernels, respectively. Finally, numerical examples illustrate the effectiveness of the obtained results.

Suggested Citation

  • Qianqian Zhang & Zhao-Yan Li & Bin Zhou, 2025. "Stability and convergence rate analysis of continuous-time delay-difference systems with both point and distributed delays," International Journal of Systems Science, Taylor & Francis Journals, vol. 56(3), pages 434-449, February.
    • Handle: RePEc:taf:tsysxx:v:56:y:2025:i:3:p:434-449
    DOI: 10.1080/00207721.2024.2394570
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