A parallel estimation system of stator resistance and rotor speed for active disturbance rejection control of six-phase induction motor

Hamidreza Heidari*, Anton Rassõlkin, Mohammad Hosein Holakooie, Toomas Vaimann, Ants Kallaste, Anouar Belahcen, Dmitry V. Lukichev

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

In this paper, a parallel estimation system of the stator resistance and the rotor speed is proposed in speed sensorless six-phase induction motor (6PIM) drive. First, a full-order observer is presented to provide the stator current and the rotor flux. Then, an adaptive control law is designed using the Lyapunov stability theorem to estimate the rotor speed. In parallel, a stator resistance identification scheme is proposed using more degrees of freedom of the 6PIM, which is also based on the Lyapunov stability theorem. The main advantage of the proposed method is that the stator resistance adaptation is completely decoupled from the rotor speed estimation algorithm. To increase the robustness of the drive system against external disturbances, noises, and parameter uncertainties, an active disturbance rejection controller (ADRC) is introduced in direct torque control (DTC) of the 6PIM. The experimental results clarify the effectiveness of the proposed approaches.

Original languageEnglish
Article number1121
Number of pages17
JournalEnergies
Volume13
Issue number5
DOIs
Publication statusPublished - 1 Mar 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • Active disturbance rejection controller (ADRC)
  • Direct torque control (DTC)
  • Full-order observer
  • Sensorless
  • Six-phase induction motor (6PIM)
  • Stator resistance estimator

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