articleIEEE Transactions on Industrial ElectronicsJan 1, 2025Closed access

Space Decoupling Sensorless Control of Five-Phase Flux-Intensifying PM Motor Based on AFCCF-SMO Considering Flux-Weakening Operation

LZLi ZhangMZMing ZhangXZXiaoyong ZhuZPZifeng PeiXCX. Chen

Jiangsu University

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Abstract

Under the flux-weakening (FW) operation, the sensorless control of a five-phase flux-intensifying permanent magnet (FP-FIPM) motor faces the dilemma of reduced torque output and poor estimated accuracy caused by the serious space coupling between sensorless control and FW control. To overcome the abovementioned problems, a novel space decoupling sensorless control strategy for the FP-FIPM motor under FW operation is proposed in this article. Based on the decoupling model of the FP-FIPM motor, this article first proposes the dual space design to achieve the decoupling of sensorless control and FW control. For the FW control, an adaptive third-harmonic current injection strategy is proposed based on the…

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Topics & keywords

Topics
Keywords
  • Decoupling (probability)
  • Control theory (sociology)
  • Flux (metallurgy)
  • Direct torque control
  • Induction motor
  • Torque
  • Magnetic flux
  • Three-phase
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