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Multi-Objective Optimal Design of Electro-Hydrostatic Actuator Driving Motors for Low Temperature Rise and High Power Weight Ratio

Author

Listed:
  • Guo Hong

    (School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, China)

  • Tian Wei

    (School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, China)

  • Xiaofeng Ding

    (School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, China)

  • Chongwei Duan

    (School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, China)

Abstract

With the rapid development of technology, motors have drawn increasing attention in aviation applications, especially in the more electrical aircraft and all electrical aircraft concepts. Power weight ratio and reliability are key parameters for evaluating the performance of equipment applied in aircraft. The temperature rise of the motor is closely related to the reliability of the motor. Therefore, based on Taguchi, a novel multi-objective optimization method for the heat dissipation structural design of an electro-hydrostatic actuator (EHA) drive motor was proposed in this paper. First, the thermal network model of the EHA drive motor was established. Second, a sensitivity analysis of the key parameters affecting the cooling performance of the motor was conducted, such as the thickness of fins, the height of fins, the space of fins, the potting materials and the slot fill factor. Third, taking the average temperature of the windings and the power weight ratio as the optimization goal, the multi-objective optimal design of the heat dissipation structure of the motor was carried out by applying Taguchi. Then, a 3-D finite element model of the motor was established and the steady state thermal analysis was carried out. Furthermore, a prototype of the optimal motor was manufactured, and the temperature rise under full load condition tested. The result indicated that the motor with the optimized heat dissipating structure presented a low temperature rise and high power weight ratio, therefore validating the proposed optimization method.

Suggested Citation

  • Guo Hong & Tian Wei & Xiaofeng Ding & Chongwei Duan, 2018. "Multi-Objective Optimal Design of Electro-Hydrostatic Actuator Driving Motors for Low Temperature Rise and High Power Weight Ratio," Energies, MDPI, vol. 11(5), pages 1-21, May.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:5:p:1173-:d:145015
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    References listed on IDEAS

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    1. Ding, Xiaofeng & Du, Min & Zhou, Tong & Guo, Hong & Zhang, Chengming, 2017. "Comprehensive comparison between silicon carbide MOSFETs and silicon IGBTs based traction systems for electric vehicles," Applied Energy, Elsevier, vol. 194(C), pages 626-634.
    2. Zabdur Rehman & Kwanjae Seong, 2018. "Three-D Numerical Thermal Analysis of Electric Motor with Cooling Jacket," Energies, MDPI, vol. 11(1), pages 1-15, January.
    3. Dong Hyun Lim & Moo-Yeon Lee & Ho-Seong Lee & Sung Chul Kim, 2014. "Performance Evaluation of an In-Wheel Motor Cooling System in an Electric Vehicle/Hybrid Electric Vehicle," Energies, MDPI, vol. 7(2), pages 1-11, February.
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    Cited by:

    1. Keun-Young Yoon & Soo-Whang Baek, 2019. "Robust Design Optimization with Penalty Function for Electric Oil Pumps with BLDC Motors," Energies, MDPI, vol. 12(1), pages 1-14, January.
    2. Jiongjiong Cai & Peng Ke & Xiao Qu & Zihui Wang, 2022. "Research on the Design of Auxiliary Generator for Enthalpy Reduction and Steady Speed Scroll Expander," Energies, MDPI, vol. 15(9), pages 1-17, April.
    3. Nie, Songlin & Gao, Jianhang & Ma, Zhonghai & Yin, Fanglong & Ji, Hui, 2023. "An online data-driven approach for performance prediction of electro-hydrostatic actuator with thermal-hydraulic modeling," Reliability Engineering and System Safety, Elsevier, vol. 236(C).
    4. Guishan Yan & Zhenlin Jin & Mingkun Yang & Bing Yao, 2021. "The Thermal Balance Temperature Field of the Electro-Hydraulic Servo Pump Control System," Energies, MDPI, vol. 14(5), pages 1-24, March.

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