Comparative Study on Multiple Three-Phase Permanent Magnet Motors in Fault Tolerant Electric Power Steering Application
Comparative Study on Multiple Three-Phase Permanent Magnet Motors in Fault Tolerant Electric Power Steering Application
- Author(s): H. Yang 1 ; S. Ademi 1 ; R. A. McMahon 1
- DOI: 10.1049/icp.2021.0983
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- Author(s): H. Yang 1 ; S. Ademi 1 ; R. A. McMahon 1
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View affiliations
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Affiliations:
1:
Warwick Manufacturing Group (WMG), Univeristy of Warwick , Coventry , UK
Source:
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020),
2021
p.
98 – 103
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Affiliations:
1:
Warwick Manufacturing Group (WMG), Univeristy of Warwick , Coventry , UK
- Conference: The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)
- DOI: 10.1049/icp.2021.0983
- ISBN: 978-1-83953-542-0
- Location: Online Conference
- Conference date: 15-17 December 2020
- Format: PDF
Electric power steering (EPS) is a safety-critical compoment in modern vehicles. Along with the rise of connected and autonomous vehicles, an EPS system needs to achieve fail-operational in the event of a fault. Thus, it mandates redundant architecture to increase reliability and performance in steering function. By providing steering assistance, a multi three-phase electric motor is a fault-tolerant solution for a functional safety architecture. This paper presents a comparative study between dual and triple three-phase interior permanent magnet (IPM) motors with single layer winding. The corresponding electromagnetic performance is predicted considering the influence of rotor pole numbers. The detailed comparison is made between dual three-phase 12 stator-slot/10 rotor-pole (12s10p) and triple three-phase 18 stator-slot/10 rotor-pole (18s10p) IPMs in both healthy and fault modes. Primary experiemental results are presented in the dual three-phase IPM motor.
Inspec keywords: steering systems; permanent magnet machines; rotors; finite element analysis; fault tolerance; permanent magnet motors; stators
Subjects: d.c. machines; Synchronous machines; a.c. machines; Transportation; Finite element analysis