Notch Filters for Port-Hamiltonian Systems

Authors

D. A. Dirksz, J. M. A. Scherpen, A. J. van der Schaft, M. Steinbuch

Abstract

Many powerful tools exist for control design in the frequency domain, but are theoretically only justified for linear systems. On the other hand, nonlinear control deals with control design methodologies that are theoretically justified for a larger and more realistic class of systems, but primarily dealing with stability and to a lesser extent with performance. In this technical note a standard linear notch filter is modeled in the port-Hamiltonian (PH) framework, thereby proving that the notch filter is a passive system. The notch filter can then be interconnected with any other (nonlinear) PH system, while preserving the overall passivity property. By doing so, we can combine a frequency-based control method to improve performance, the notch filter, with the nonlinear control methodology of passivity-based control.

Citation

• Journal: IEEE Transactions on Automatic Control
• Year: 2015
• Volume: 60
• Issue: 9
• Pages: 2440–2445
• Publisher: Institute of Electrical and Electronics Engineers (IEEE)
• DOI: 10.1109/tac.2015.2390552

BibTeX

@article{Dirksz_2015,
  title={{Notch Filters for Port-Hamiltonian Systems}},
  volume={60},
  ISSN={1558-2523},
  DOI={10.1109/tac.2015.2390552},
  number={9},
  journal={IEEE Transactions on Automatic Control},
  publisher={Institute of Electrical and Electronics Engineers (IEEE)},
  author={Dirksz, D. A. and Scherpen, J. M. A. and van der Schaft, A. J. and Steinbuch, M.},
  year={2015},
  pages={2440--2445}
}

Download the bib file

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