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Novel nonlinear L2 gain control method for doubly-fed induction motor based on port controlled Hamiltonian model

  • Qingdao University
  • Shandong University

Research output: Contribution to journalArticlepeer-review

Abstract

Applying a novel nonlinear L2 gain control method for a doubly-fed induction motor (DFIM) based on port-controlled Hamiltonian (PCH) systems, A PCH model of DFIM was established. The desired closed-loop Hamiltonian function was given. Against the load torque disturbance, L2 gain control law was designed in terms of PCH system and the L2 gain disturbances attenuation. The equilibrium stability of the system was also verified. Using SVPWM signal transformation method, speed regulation of non-salient pole SVPWM was implemented by controlling the switch point of every converter switch. The control of speed and electromagnetic-torque are tracking asymptotically when interferences exist in the surrounding environment. The simulation results show that the proposed scheme has a good performance.

Original languageEnglish
Pages (from-to)221-228
Number of pages8
JournalZhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology)
Volume40
Issue numberSUPPL. 1
StatePublished - Sep 2009
Externally publishedYes

Keywords

  • DFIM
  • L2 gain control
  • Port-controlled Hamiltonian (PCH) model
  • SVPWM

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