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Co-design of mechanical-electrical-control parameters of switched reluctance electric drive system

Author

Listed:
  • Chen, Xianglong
  • Liu, Changzhao
  • Li, Zhitong
  • Wu, Ming
  • Wang, Kun
  • Fan, Shuoming
  • Su, Yanzhao

Abstract

In this paper, an efficient forward design method for the switched reluctance electric drive system (SREDS) is proposed. Compared with the traditional separate design, in this method, the mechanical, electrical, and control parameters are coordinated for design, to address the issues of low comprehensive and overall performance and low design efficiency in traditional design. Firstly, the dynamic torque and radial force model of the switched reluctance motor (SRM), and the power loss model of the electric drive system including motor and gear under vehicle driving cycle condition are established. Subsequently, with the system power loss, weight, torque and radial force fluctuation taken as the optimization objectives, the co-design method of the system's mechanical-electrical-control parameters is proposed. The two - layer (inner and outer) optimization process is adopted by this method, in which, the inner layer is used for control optimization, while, the outer layer is used for mechanical and electrical parameters optimization. Finally, the design for the SREDS equipped on electric vehicles is executed. The results demonstrated that following the co-design, there was a significant reduction in the overall power consumption and total weight. Besides, under the optimized control, both torque and radial force fluctuation were significantly reduced throughout the driving cyclic condition. The system efficiency of the 6/4 pole configuration increased from 80.24 % to 90.06 % and the total weight was reduced from 243.84 kg to 186.83 kg, whereas the optimized 12/8 pole configuration achieved a system efficiency from 79.24 % to 86.90 % and the total weight was reduced from 191.40 kg to 153.58 kg. These findings confirm the effectiveness and superiority of the co-design method of mechanical-electrical-control of SREDS.

Suggested Citation

  • Chen, Xianglong & Liu, Changzhao & Li, Zhitong & Wu, Ming & Wang, Kun & Fan, Shuoming & Su, Yanzhao, 2025. "Co-design of mechanical-electrical-control parameters of switched reluctance electric drive system," Energy, Elsevier, vol. 337(C).
    • Handle: RePEc:eee:energy:v:337:y:2025:i:c:s036054422504304x
    DOI: 10.1016/j.energy.2025.138662
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    References listed on IDEAS

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    1. Mohamed El-Nemr & Mohamed Afifi & Hegazy Rezk & Mohamed Ibrahim, 2021. "Finite Element Based Overall Optimization of Switched Reluctance Motor Using Multi-Objective Genetic Algorithm (NSGA-II)," Mathematics, MDPI, vol. 9(5), pages 1-20, March.
    2. Kwon, Kihan & Seo, Minsik & Min, Seungjae, 2020. "Efficient multi-objective optimization of gear ratios and motor torque distribution for electric vehicles with two-motor and two-speed powertrain system," Applied Energy, Elsevier, vol. 259(C).
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