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Research on Improving the Low-Temperature Driving Range of Pure Electric Vehicles Based on the Energy Flow Method
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Fujian WANG, Jihong XIE, Jie SHAO, Jiakang CAI, Kui TANG
Chinese Journal of Automotive Engineering | 2024, 14(3) : 531 - 543
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Chinese Journal of Automotive Engineering | 2024, 14(3): 531-543
• Green/Health Technologies and Test/Evaluation •
Research on Improving the Low-Temperature Driving Range of Pure Electric Vehicles Based on the Energy Flow Method
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Fujian WANG, Jihong XIE, Jie SHAO, Jiakang CAI, Kui TANG
Affiliations
  • SAIC GM Wuling Automobile Co., Ltd. Liuzhou 545007 China
doi: 10.3969/j.issn.2095-1469.2024.03.20
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This study focuses on a smallsized electric passenger vehicle equipped with a heat pump system, conducting a driving range test under lowtemperature CLTCP cycle conditions. By comprehensively examining the test data and analyzing the vehicle's energy flow, potential avenues for improving the driving range are explored. A comprehensive model of vehicle dynamics and economics, including the thermal management system, is established on the Amesim platform. After calibration, different optimization schemes are simulated and compared to develop a combined optimization scheme. Experimental results show that the combined optimization scheme can improve the lowtemperature driving range by 12.6%. Among them, the contribution of the thermal management system optimization scheme significantly surpasses that of the vehicle resistance optimization scheme and the control strategy optimization scheme. This study provides reference ideas and methods for improving the driving range of pure electric passenger vehicles under lowtemperature environments.

pure electric vehicle  /  energy flow modeling  /  low temperature driving range  /  thermal management system optimization
Fujian WANG, Jihong XIE, Jie SHAO, Jiakang CAI, Kui TANG. Research on Improving the Low-Temperature Driving Range of Pure Electric Vehicles Based on the Energy Flow Method[J]. Chinese Journal of Automotive Engineering, 2024 , 14 (3) : 531 -543 . DOI: 10.3969/j.issn.2095-1469.2024.03.20
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Year 2024 volume 14 Issue 3
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Article Info
doi: 10.3969/j.issn.2095-1469.2024.03.20
  • Receive Date：2024-01-19
  • Online Date：2025-07-21
Article Data
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  • Received：2024-01-19
  • Revised：2024-03-27
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    SAIC GM Wuling Automobile Co., Ltd. Liuzhou 545007 China
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