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

Guishan Yan, Zhenlin Jin, Mingkun Yang and Bing Yao
Additional contact information
Guishan Yan: School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
Zhenlin Jin: School of Mechanical Engineering, Yanshan University, 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

Energies, 2021, vol. 14, issue 5, 1-24

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.

Keywords: electro-hydraulic servo pump control system (EHSPCS); permanent magnet synchronous motor (PMSM); closed hydraulic system (CHS); thermal balance; temperature field (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
https://www.mdpi.com/1996-1073/14/5/1364/pdf (application/pdf)
https://www.mdpi.com/1996-1073/14/5/1364/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:14:y:2021:i:5:p:1364-:d:509146

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().