Nonlinear control of induction motors based on state error PCH and energy-shaping principle

Authors

Haisheng Yu, Jinpeng Yu, Jin Liu, Qiang Song

Abstract

A novel nonlinear control scheme of induction motor (IM) is presented based on state error port-controlled Hamiltonian (PCH) systems and energy-shaping (ES) principle. The PCH model of IM system is established. Using interconnection assignment and damping injection method, the desired state error PCH structure is assigned to the closed-loop IM system by the ES principle. The controllers are designed when the load torque is known and unknown, respectively. A load torque estimator is developed in the presence of the load torque disturbance. Moreover, an observer is proposed to estimate the unknown load torque. The stability of the closed-loop system is also verified. Finally, speed regulation of the IM drive system is implemented based on space vector pulse-width modulation technology. The simulation results show that the system has good load disturbance attenuation and speed tracking performances.

Keywords

energy-shaping, hamiltonian systems, induction motor, nonlinear control, speed tracking, state error

Citation

• Journal: Nonlinear Dynamics
• Year: 2013
• Volume: 72
• Issue: 1-2
• Pages: 49–59
• Publisher: Springer Science and Business Media LLC
• DOI: 10.1007/s11071-012-0689-3

BibTeX

@article{Yu_2012,
  title={{Nonlinear control of induction motors based on state error PCH and energy-shaping principle}},
  volume={72},
  ISSN={1573-269X},
  DOI={10.1007/s11071-012-0689-3},
  number={1–2},
  journal={Nonlinear Dynamics},
  publisher={Springer Science and Business Media LLC},
  author={Yu, Haisheng and Yu, Jinpeng and Liu, Jin and Song, Qiang},
  year={2012},
  pages={49--59}
}

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