A Passivity Based Sliding Mode Controller for Simple Port-Hamiltonian Systems

Authors

Kenji Fujimoto, Naoki Sakata, Ichiro Maruta, Joel Ferguson

Abstract

This letter proposes a novel framework to design a passivity based sliding mode controller for mechanical systems described by simple port-Hamiltonian systems. For this class of systems, passivity based control is often used to design a stabilizing controller which employs a physical energy of the plant system as a Lyapunov function candidate. This letter proves that there exist a special class of passivity based controllers which coincide with sliding mode ones. This approach enables us to obtain sliding mode control systems with explicit energy based Lyapunov functions. The proposed approach requires a kind of matching condition under which the two control schemes coincide with each other. How to relax the condition is also discussed. Furthermore, a numerical example demonstrates how the proposed method works.

Citation

• Journal: IEEE Control Systems Letters
• Year: 2021
• Volume: 5
• Issue: 3
• Pages: 839–844
• Publisher: Institute of Electrical and Electronics Engineers (IEEE)
• DOI: 10.1109/lcsys.2020.3005327

BibTeX

@article{Fujimoto_2021,
  title={{A Passivity Based Sliding Mode Controller for Simple Port-Hamiltonian Systems}},
  volume={5},
  ISSN={2475-1456},
  DOI={10.1109/lcsys.2020.3005327},
  number={3},
  journal={IEEE Control Systems Letters},
  publisher={Institute of Electrical and Electronics Engineers (IEEE)},
  author={Fujimoto, Kenji and Sakata, Naoki and Maruta, Ichiro and Ferguson, Joel},
  year={2021},
  pages={839--844}
}

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