Port-Hamiltonian Sliding Mode Observer Design for a Counter-current Heat Exchanger

Authors

Jacques Kadima Kazaku, Denis Dochain, Joseph Winkin, Moïse Mukepe Kahilu, Jimmy Kalenga Kaunde Kasongo

Abstract

This paper presents a sliding mode observer (SMO) for estimating temperatures in a heat exchanger. First a port-Hamiltonian formulation for a countercurrent heat exchanger is proposed. It is so as to guarantee convergence of the observer. It is shown that the Stokes-Dirac structure obtained by opening only the dissipation ports due to the convection phenomenon, is conservative. Secondly, a SMO based on an interconnected structure of port-Hamiltonian systems is designed. The convergence of the dynamics of the estimation error is proven. The simulation results illustrate the effectiveness of this estimation strategy.

Keywords

Heat exchanger; SMO; port-Hamiltonian systems; state estimation

Citation

• Journal: IFAC-PapersOnLine
• Year: 2020
• Volume: 53
• Issue: 2
• Pages: 4910–4915
• Publisher: Elsevier BV
• DOI: 10.1016/j.ifacol.2020.12.1066
• Note: 21st IFAC World Congress- Berlin, Germany, 11–17 July 2020

BibTeX

@article{Kazaku_2020,
  title={{Port-Hamiltonian Sliding Mode Observer Design for a Counter-current Heat Exchanger}},
  volume={53},
  ISSN={2405-8963},
  DOI={10.1016/j.ifacol.2020.12.1066},
  number={2},
  journal={IFAC-PapersOnLine},
  publisher={Elsevier BV},
  author={Kazaku, Jacques Kadima and Dochain, Denis and Winkin, Joseph and Kahilu, Moïse Mukepe and Kaunde Kasongo, Jimmy Kalenga},
  year={2020},
  pages={4910--4915}
}

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