Interior permanent magnet synchronous motor drive system with machine learning-based maximum torque per ampere and flux-weakening control

Faa Jeng Lin, Yi Hung Liao, Jyun Ru Lin, Wei Ting Lin

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

An interior permanent magnet synchronous motor (IPMSM) drive system with machine learning-based maximum torque per ampere (MTPA) as well as flux-weakening (FW) control was developed and is presented in this study. Since the control performance of IPMSM varies significantly due to the temperature variation and magnetic saturation, a machine learning-based MTPA control using a Petri probabilistic fuzzy neural network with an asymmetric membership function (PPFNNAMF) was developed. First, the d-axis current command, which can achieve the MTPA control of the IPMSM, is derived. Then, the difference value of the dq-axis inductance of the IPMSM is obtained by the PPFNN-AMF and substituted into the d-axis current command of the MTPA to alleviate the saturation effect in the constant torque region. Moreover, a voltage control loop, which can limit the inverter output voltage to the maximum output voltage of the inverter at high-speed, is designed for the FW control in the constant power region. In addition, an adaptive complementary sliding mode (ACSM) speed controller is developed to improve the transient response of the speed control. Finally, some experimental results are given to demonstrate the validity of the proposed high-performance control strategies.

Original languageEnglish
Article number346
JournalEnergies
Volume14
Issue number2
DOIs
StatePublished - 2 Jan 2021

Keywords

  • Adaptive complementary sliding mode (ACSM) control
  • Flux-weakening (FW) control
  • Interior permanent magnet synchronous motor (IPMSM)
  • Maximum torque per ampere (MTPA) control
  • Petri probabilistic fuzzy neural network with an asymmetric membership function (PPFNN-AMF)

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