A port-Hamiltonian framework for operator force assisting systems: Application to the design of helicopter flight controls

Authors

Matthieu Touron, Jean-Yves Dieulot, Julien Gomand, Pierre-Jean Barre

Abstract

An energetic representation of helicopter flight controls, viewed as an Operator Assisting System, is proposed within the Port-Hamiltonian framework. The assisting controller modifies the dynamical behavior between the pilot stick and the swashplate, linked through a Continuous Variable Transmission, by enforcing force scaling and providing appropriate force feedback to the operator. Generic sufficient conditions are given on the assistance location and structure which allow the assisted system to be dissipative, hence providing nice stability and power scaling properties. Results are applied to the design of an assistance for a simplified flight control system. Simulations show the relevance of the method and are compared to real-life results.

Keywords

Port-Hamiltonian; Helicopter; Flight-axis control; Assisting system; Passivity

Citation

• Journal: Aerospace Science and Technology
• Year: 2018
• Volume: 72
• Issue:
• Pages: 493–501
• Publisher: Elsevier BV
• DOI: 10.1016/j.ast.2017.11.035

BibTeX

@article{Touron_2018,
  title={{A port-Hamiltonian framework for operator force assisting systems: Application to the design of helicopter flight controls}},
  volume={72},
  ISSN={1270-9638},
  DOI={10.1016/j.ast.2017.11.035},
  journal={Aerospace Science and Technology},
  publisher={Elsevier BV},
  author={Touron, Matthieu and Dieulot, Jean-Yves and Gomand, Julien and Barre, Pierre-Jean},
  year={2018},
  pages={493--501}
}

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