Authors

Sami El Ferik, Muhammad Fuady Emzir

Abstract

In this paper, we present a control design approach for systems in Port Controlled Hamiltonian (PCH) form. The controller design proceeds with different stages exploiting the benefit of having a preserved PCH structure of the system while in closed loop. An extension of ℒ2 disturbance attenuation control design under the assumption that the exogenous disturbance has a different input gain is also presented. Necessary and sufficient conditions to guaranty stability are stated. Robustness of the controller to parameter uncertainties is studied by assuming uncertain inertia and damping matrices. The design approach is applied to develop a PCH-based path tracking and ℒ2 disturbance attenuation controllers for Autonomous Underwater Vehicle (AUV). The simulation results demonstrate the performance of the designed controller in tracking both an horizontal plane path and a vertical plane path that passes through the singularity points. The simulation results indicate that the designed controller is robust enough to uncertainties in inertia and damping matrices. In addition, the extension of ℒ2 disturbance attenuation controller is able to attenuate the exogenous disturbance effect on AUV path tracking.

Keywords

nonlinear control, passivity based control, port controlled hamiltonian

Citation

  • Journal: IFAC Proceedings Volumes
  • Year: 2012
  • Volume: 45
  • Issue: 5
  • Pages: 192–197
  • Publisher: Elsevier BV
  • DOI: 10.3182/20120410-3-pt-4028.00032
  • Note: 3rd IFAC Workshop on Navigation, Guidance and Control of Underwater Vehicles

BibTeX

@article{El_Ferik_2012,
  title={{PCH-Based ℒ2 Disturbance Attenuation and Control of Autonomous Underwater Vehicle}},
  volume={45},
  ISSN={1474-6670},
  DOI={10.3182/20120410-3-pt-4028.00032},
  number={5},
  journal={IFAC Proceedings Volumes},
  publisher={Elsevier BV},
  author={El Ferik, Sami and Emzir, Muhammad Fuady},
  year={2012},
  pages={192--197}
}

Download the bib file

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