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Hybrid Optimization and Comparative Analysis of A Novel Double-Side Asynchronous Rotor Axial-Flux Permanent Magnet Machine

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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Abstract

Robot dogs are a new kind of transportation applied in express delivery and community patrol. The special structure makes them require high torque density and compact actuators. Then, a novel double-side asynchronous rotor axial-flux permanent magnet (DSAR-AFPM) machine is proposed for robot dogs. The 24-slot-20-pole (24S20P) and 36S42P configurations are adopted on two sides of the DSAR-AFPM machine. In addition, the winding configurations on the two sides are also different. The two sides are isolated by the stator yoke to ensure independent operation. Thus, the proposed DSAR-AFPM machine can drive the lower leg and thigh simultaneously. Then, a hybrid optimization is proposed in the paper to optimize the DSAR-AFPM machine. It combines the quasi-3D finite element method and 3D parametric analysis. The hybrid optimization greatly reduces the computational burden and increases the accuracy. Besides, a comparative analysis is conducted for the DSAR-AFPM machine. The comparison is performed between the DSAR-AFPM machine and two single-side counterparts AFPM machines. The independent operation of two sides is verified. Finally, an experiment is performed to validate the performance of the DSAR-AFPM machine. © 2023 IEEE.
Original languageEnglish
Pages (from-to)3373-3382
JournalIEEE Transactions on Transportation Electrification
Volume10
Issue number2
Online published7 Aug 2023
DOIs
Publication statusPublished - Jun 2024

Funding

This work was supported in part by the Natural Science Foundation of China (NSFC), China, under Project 52077186; in part by the Science Technology and Innovation Committee of Shenzhen Municipality, Shenzhen, China, under Project JCYJ20210324134005015; in part by General Research Fund from Research Grants Council, Hong Kong, SAR, under Project 11217623; in part by Collaborative Research Fund from Research Grants Council, Hong Kong, SAR, under Project C1052-21GF; and in part by RGC Research Fellow Scheme from Research Grants Council, Hong Kong, SAR, under Grant RFS2223-1S05

Research Keywords

  • Actuators
  • axial-flux permanent magnet machine
  • Comparative analysis
  • Dogs
  • double-side asynchronous rotor
  • hybrid optimization
  • independent operation
  • Legged locomotion
  • Robots
  • Rotors
  • Torque
  • Windings
  • Axial-flux permanent magnet (AFPM) machine
  • double-side asynchronous rotor (DSAR)

Publisher's Copyright Statement

  • COPYRIGHT TERMS OF DEPOSITED POSTPRINT FILE: © 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Huang, R., Song, Z., Dong, Z., & Liu, Y. et al. (2023). Hybrid Optimization and Comparative Analysis of A Novel Double-Side Asynchronous Rotor Axial-Flux Permanent Magnet Machine. IEEE Transactions on Transportation Electrification, 10(2), 3373 – 3382. https://doi.org/10.1109/TTE.2023.3303047

RGC Funding Information

  • RGC-funded

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