Multi-objective Optimization Design of Variable-Saliency-Ratio PM Motor Considering Driving Cycles

In this article, a variable-saliency-ratio permanent magnet motor is designed and optimized considering driving cycles. To satisfy the demands of multi-operation conditions of EVs, a variable resistance is adopted and a new variable-saliency-ratio design concept is proposed to enhance output torque,...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2021-08, Vol.68 (8), p.6516-6526
Main Authors: Zhou, Xue, Zhu, Xiaoyong, Wu, Wenye, Xiang, Zixuan, Liu, Yongfeng, Quan, Li
Format: Article
Language:English
Subjects:
Brushless motors
Design optimization
Genetic algorithms
Inductance
Magnetic circuits
multiobjective optimization
multiple driving cycles
Multiple objective analysis
Optimization
Permanent magnet motor
Permanent magnet motors
Permanent magnets
Reluctance motors
Saliency ratio
Torque
variable-saliency-ratio
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Summary:In this article, a variable-saliency-ratio permanent magnet motor is designed and optimized considering driving cycles. To satisfy the demands of multi-operation conditions of EVs, a variable resistance is adopted and a new variable-saliency-ratio design concept is proposed to enhance output torque, widen speed range and lower irreversible demagnetization risk effectively. A multiobjective optimization considering driving cycles is proposed, where the design objective of saliency ratio is firstly selected and optimized with multiobjective genetic algorithm method. Then, the operation performances of the motor in different operation conditions are investigated in detail. Finally, a prototype motor is built and tested. Both the simulation and experimental results verify the validity of the proposed method.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2020.3007106