Stability analysis of interconnected Hamiltonian systems under time delays

Authors

Abstract

Sufficient conditions are derived for checking whether interconnected port-Hamiltonian systems are stable in the presence of time delays. It is assumed that the time delay parameters are unknown time-varying functions for which the only available information is about the upper bounds on their magnitude and/or variation. The stability conditions proposed here are established by constructing Lyapunov–Krasovskii stability certificates, based on the Hamiltonians of the individual port-Hamiltonian systems. The forms of the Lyapunov–Krasovskii functionals vary according to the information available on the delay parameter. It is shown how different informations on the delay are utilised to construct stability certificates.

Citation

Journal: IET Control Theory & Applications
Year: 2012
Volume: 6
Issue: 4
Pages: 570–577
Publisher: Institution of Engineering and Technology (IET)
DOI: 10.1049/iet-cta.2011.0076

BibTeX

@article{Kao_2012,
  title={{Stability analysis of interconnected Hamiltonian systems under time delays}},
  volume={6},
  ISSN={1751-8652},
  DOI={10.1049/iet-cta.2011.0076},
  number={4},
  journal={IET Control Theory &amp; Applications},
  publisher={Institution of Engineering and Technology (IET)},
  author={Kao, C.-Y. and Pasumarthy, R.},
  year={2012},
  pages={570--577}
}

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References

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