A Novel Dual Rotor Flux-Bidirectional-Modulation Machine for Hybrid Electrical Vehicles

Yunchong Wang, Shuangxia Niu, Weinong Fu, Siu Lau Ho

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

1 Citation (Scopus)


A novel brushless and gearless power split system is presented in this paper. The proposed system offers an electric solution for continuously variable transmission of the hybrid electrical vehicles (HEV). The key is to use a doubly fed flux bidirectional modulation machine with dual electric port and dual mechanical port to realize the power combination and split in HEV. This electric continuously variable transmission (E-CVT) system integrates the merits of the dual rotor machine and the flux modulation machine and enjoys additional benefits such as high torque density and low cost partial-scale converter. The operation principle, flux modulation principle and steady performance of the machine are investigated. Time stepping finite element method (TS-FEM) is used to analyze the dynamic performance of the proposed system. The prototype is fabricated and the experimental results verify the correctness of the mathematical model and simulation results.
Original languageEnglish
Title of host publication2016 IEEE Vehicle Power and Propulsion Conference, VPPC 2016 - Proceedings
ISBN (Electronic)9781509035281
Publication statusPublished - 19 Dec 2016
Event13th IEEE Vehicle Power and Propulsion Conference, VPPC 2016 - Zhejiang Hotel, Hangzhou, China
Duration: 17 Oct 201620 Oct 2016


Conference13th IEEE Vehicle Power and Propulsion Conference, VPPC 2016


  • finite element method
  • flux modulation
  • hybrid electrical vehicle
  • Terms-E-CVT

ASJC Scopus subject areas

  • Automotive Engineering

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