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作者:

Zhao Xiaojuan (Zhao Xiaojuan.) | Zhang Yulong (Zhang Yulong.) | Ye Lezhi (Ye Lezhi.)

收录:

SCIE

摘要:

To solve the problem of the serious mileage reduction of electric vehicles in winter, this paper introduces a new type of motor with eddy current braking and heating system (EBHS). EBHS can convert the vehicle's kinetic energy into the thermal energy which can be used for heating the cabin and the battery at the right temperature. This paper proposes the structural layout and operating modes with the novel motor. The air gap magnetic density of the ECR is calculated by the magnetic circuit method. The braking torque is solved by the transient electromagnetic finite element method. The eddy current loss power at different speeds is used for analyzing heat performance. Based on MATLAB/Simulink environment, the fuzzy control method is used to simulate the EBHS's braking energy efficiency. Compared with PTC heating, the power consumption of the new motor is reduced by 25 % and the cabin can reach 20 degrees C in 160 seconds. Finally, it is verified by bench test that the retarder stator stayed within 110 degrees C when it is continuously operated for 12 minutes. The braking torque of the finite element analysis result meet the test value, and the error rate is not higher than 11.7 %.

关键词:

Braking energy Eddy current braking Electric vehicle fuzzy control Heating

作者机构:

  • [ 1 ] [Zhao Xiaojuan]Shanxi Conservancy Tech Inst, Dept Hydraul Engn, Yuncheng 044004, Peoples R China
  • [ 2 ] [Zhang Yulong]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 3 ] [Ye Lezhi]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

通讯作者信息:

  • [Ye Lezhi]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

电子邮件地址:

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来源 :

INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY

ISSN: 1229-9138

年份: 2021

期: 5

卷: 22

页码: 1159-1168

1 . 6 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:9

被引次数:

WoS核心集被引频次: 6

SCOPUS被引频次: 7

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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