Abstract
Outer-rotor switched reluctance machines (SRMs) have drawn much attention as promising candidates for in-wheel direct-drive motors of future electric vehicles. This article presents a systematic performance comparison of three outer-rotor SRM topologies for in-wheel traction applications in terms of the specific torque, electromagnetic efficiency, torque ripple, radial force, and mechanical aspects. A generalized design optimization framework for SRMs is proposed to enable the fast evaluation of large numbers of designs generated from the differential evolution by incorporating an analytical current profile estimation into the transient finite element analysis. The relationship between the saliency ratio and converter volt-ampere rating is also discussed. The calculations are then benchmarked with the experimental results from an existing prototype. The effectiveness of the performance prediction method and the proposed optimization approach is validated.
| Original language | English |
|---|---|
| Article number | 9219193 |
| Pages (from-to) | 236-245 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Industry Applications |
| Volume | 57 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1 2021 |
Bibliographical note
Publisher Copyright:© 1972-2012 IEEE.
Keywords
- Converter VA rating
- current profile
- differential evolution
- direct drive
- in-wheel motor
- optimization
- segmented rotor
- switched reluctance machine (SRMs)
ASJC Scopus subject areas
- Control and Systems Engineering
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering