汽车工程 ›› 2021, Vol. 43 ›› Issue (5): 705-712.doi: 10.19562/j.chinasae.qcgc.2021.05.009
收稿日期:
2020-11-03
修回日期:
2020-12-15
出版日期:
2021-05-25
发布日期:
2021-05-18
通讯作者:
刘志超
E-mail:lzctalent@163.com
基金资助:
Zhichao Liu1(),Tianlei Zheng1,Huiming Gong2,Xiang Bao1,Mengxue Ji1
Received:
2020-11-03
Revised:
2020-12-15
Online:
2021-05-25
Published:
2021-05-18
Contact:
Zhichao Liu
E-mail:lzctalent@163.com
摘要:
纯电动乘用车续驶里程测试的国家标准主要存在试验循环不适用、试验效率低和计算方法不完善三方面的问题。本文中结合中国工况成果及相关试验分析提出评价方法的优化方案,并开展了评价方法优化前后的对比试验。结果表明:试验循环切换为中国工况后,续驶里程平均增加2.20%;试验流程简化后,净试验时长大幅度减少,且续驶里程测试精度无明显差异,平均相差仅为0.60%;计算方法优化后,续驶里程不再受试验循环结构的影响,不同速度区间的续驶里程也可同步细化得到,各速度区间续驶里程与循环续驶里程差异显著。
刘志超,郑天雷,龚慧明,保翔,纪梦雪. 基于中国工况的纯电动乘用车续驶里程评价方法研究[J]. 汽车工程, 2021, 43(5): 705-712.
Zhichao Liu,Tianlei Zheng,Huiming Gong,Xiang Bao,Mengxue Ji. Research on Evaluation Method of Driving Range of Battery Electric Passenger Vehicle Based on China Automotive Test Cycle[J]. Automotive Engineering, 2021, 43(5): 705-712.
表1
CLTC?P与NEDC特征参数对比"
特征参数 | CLTC?P | NEDC | ||
---|---|---|---|---|
特征值 | 与实际数据差异 | 特征值 | 与实际数据差异 | |
平均速度/(km·h-1) | 28.96 | -3.08% | 33.60 | 12.46% |
运行平均速度/(km·h-1) | 37.18 | 2.28% | 43.50 | 19.67% |
平均加速度/(m·s-2) | 0.45 | -6.25% | 0.53 | 13.63% |
平均减速度/(m·s-2) | -0.49 | -7.55% | -0.75 | 43.92% |
加速比例/% | 28.78 | -1.24% | 23.20 | -16.00% |
减速比例/% | 26.44 | 0.15% | 16.60 | -33.81% |
匀速比例/% | 22.67 | 1.16% | 37.50 | 48.53% |
怠速比例/% | 22.11 | 0.27% | 22.60 | 2.48% |
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