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The Thermal Balance Temperature Field of the Electro-Hydraulic Servo Pump Control System

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  • Guishan Yan

    (School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
    Heavy-Duty Intelligent Manufacturing Equipment Innovation Center of Hebei Province, Qinhuangdao 066004, China)

  • Zhenlin Jin

    (School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
    Heavy-Duty Intelligent Manufacturing Equipment Innovation Center of Hebei Province, Qinhuangdao 066004, China)

  • Mingkun Yang

    (School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China)

  • Bing Yao

    (School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China)

Abstract

The electro-hydraulic servo pump control system (EHSPCS) is a high-performance control unit that integrates a permanent magnet synchronous motor (PMSM) and a closed hydraulic system (CHS). The design features of high integration and a high power-weight ratio lead to the poor heat dissipation capacity and high thermal balance temperature of the system. Excessive temperature will seriously affect the system’s performance and service life. Therefore, the thermal balance analysis method of the EHSPCS under different loads and different wind speeds was proposed in this paper. Firstly, the PMSM and CHS were taken as research objects to analyze the heating source of the system. The thermal power model was established, and the calculation was performed. The variation rule of the thermal power generated by each component with the load torque under the typical rotating speed was obtained. Secondly, the system’s temperature field thermal balance solution model was established. ANSYS and AMESim software were used to calculate the thermal balance points of the PMSM and CHS under different working conditions. The change rule of the thermal balance temperature field of the EHSPCS under different loads was analyzed with the conditions of the natural cooling and forced wind cooling of the PMSM. Finally, an experimental platform was built for experimental research, and the experimental temperature of the system under different loads and different wind speeds was measured. Through comparison and analysis with the simulation results, the correctness and feasibility of the thermal balance theoretical analysis method were verified. The research results will lay the foundation for thermal balance research on the EHSPCS, and have guiding significance for system design, component selection, and load matching.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:5:p:1364-:d:509146
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    References listed on IDEAS

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    1. 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.
    2. Bo Yu & Shuai Wu & Zongxia Jiao & Yaoxing Shang, 2018. "Multi-Objective Optimization Design of an Electrohydrostatic Actuator Based on a Particle Swarm Optimization Algorithm and an Analytic Hierarchy Process," Energies, MDPI, vol. 11(9), pages 1-15, September.
    3. 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.
    4. Minh Tri Nguyen & Tri Dung Dang & Kyoung Kwan Ahn, 2019. "Application of Electro-Hydraulic Actuator System to Control Continuously Variable Transmission in Wind Energy Converter," Energies, MDPI, vol. 12(13), pages 1-19, June.
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    1. Mingkun Yang & Gexin Chen & Jianxin Lu & Cong Yu & Guishan Yan & Chao Ai & Yanwen Li, 2021. "Research on Energy Transmission Mechanism of the Electro-Hydraulic Servo Pump Control System," Energies, MDPI, vol. 14(16), pages 1-17, August.

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