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The vehicle mass, which was estimated from longitudinal dynamics formula based on longitudinal acceleration, vehicle speed, motor torque, was used as input parameter to calculate energy recovery feedback torque, to make the vehicle has the same target deceleration under different loads. Test results indicate that the accuracy of vehicle mass falls in the range of ±10% in the real road test, and when vehicle mass is used to calculate energy recovery, the energy consumption is optimized by 5.5% in CRUISE simulation based on China-World Transient Vehicle Cycle (C-WTVC).
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基于纵向加速度、车速、电机扭矩等信号,通过纵向动力学公式估算整车质量,并将其作为输入参数计算能量回收回馈扭矩,使整车在不同载荷工况下具有相同的目标减速度。试验结果表明,在实际道路上测试时整车质量估算误差在±10%范围内,使用整车质量参数进行能量回收计算后,在CRUISE软件中基于中国重型商用车瞬态循环(C-WTVC)工况进行仿真时能耗优化5.5%。
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45 (11): 9-13., articleTitle=基于扩展卡尔曼滤波的车辆质量与道路坡度估计, refAbstract=null), Reference(id=1200066418306806106, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066408680878841, doi=null, pmid=null, pmcid=null, year=2014, volume=45, issue=11, pageStart=9, pageEnd=13, url=null, language=null, rfNumber=[6], rfOrder=9, authorNames=LEI Y L, FU Y, LIU K, journalName=Transactions of the Chinese Society for Agricultural Mechinery, refType=null, unstructuredReference=
LEI Y L,
FU Y,
LIU K, et al. Vehicle Mass and Road Grade Estimation Based on Extended Kalman Filter[J].
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45(11): 9-13., articleTitle=Vehicle Mass and Road Grade Estimation Based on Extended Kalman Filter, refAbstract=null), Reference(id=1200066418432635231, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066408680878841, doi=null, pmid=null, pmcid=null, year=2011, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[7], rfOrder=10, authorNames=JONSON H E, journalName=Vehicle Mass and Road Grade Estimation Using Kalman Filtering, refType=null, unstructuredReference=
JONSON H E.
Vehicle Mass and Road Grade Estimation Using Kalman Filtering[D]. Linkoping: Linkoping University,
2011., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1200066409653957489, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066408680878841, xref=null, ext=[AuthorCompanyExt(id=1200066409670734710, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066408680878841, companyId=1200066409653957489, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Jiangling Motor Co., Ltd., Nanchang 330031), AuthorCompanyExt(id=1200066409683317622, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066408680878841, companyId=1200066409653957489, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=江铃汽车股份有限公司, 南昌 330031)])], figs=[ArticleFig(id=1200066414397714607, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066408680878841, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 空载测试 | 估算结果/kg | 误差/% |
| 城市道路 | 2 737~2 901 | 0.4~5.2 |
| 高速道路 | 2 723~2 904 | 0.4~5.7 |
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空载估算结果
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| 空载测试 | 估算结果/kg | 误差/% |
| 城市道路 | 2 737~2 901 | 0.4~5.2 |
| 高速道路 | 2 723~2 904 | 0.4~5.7 |
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| 半载测试 | 估算结果/kg | 误差/% |
| 城市道路 | 4 238~4 432 | 1.5~5.8 |
| 高速道路 | 4 167~4 329 | 3.8~7.4 |
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半载估算结果
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| 半载测试 | 估算结果/kg | 误差/% |
| 城市道路 | 4 238~4 432 | 1.5~5.8 |
| 高速道路 | 4 167~4 329 | 3.8~7.4 |
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满载测试
| 估算结果/kg | 误差/% |
| 城市道路 | 5 625~5 988 | 1.6~7.6 |
| 高速道路 | 5 534~5 914 | 2.8~9.1 |
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满载估算结果
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满载测试
| 估算结果/kg | 误差/% |
| 城市道路 | 5 625~5 988 | 1.6~7.6 |
| 高速道路 | 5 534~5 914 | 2.8~9.1 |
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| 车速/km·h-1 | 请求扭矩 /N·m | 车速/km·h-1 | 请求扭矩 /N·m |
| 0 | 0 | 55 | -650 |
| 5 | 0 | 60 | -630 |
| 10 | 0 | 65 | -590 |
| 15 | -110 | 70 | -510 |
| 20 | -201 | 75 | -430 |
| 25 | -310 | 80 | -380 |
| 30 | -380 | 85 | -310 |
| 35 | -450 | 90 | -201 |
| 40 | -510 | 95 | -110 |
| 45 | -590 | 100 | -93 |
| 50 | -630 | | |
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空载滑行扭矩
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| 车速/km·h-1 | 请求扭矩 /N·m | 车速/km·h-1 | 请求扭矩 /N·m |
| 0 | 0 | 55 | -650 |
| 5 | 0 | 60 | -630 |
| 10 | 0 | 65 | -590 |
| 15 | -110 | 70 | -510 |
| 20 | -201 | 75 | -430 |
| 25 | -310 | 80 | -380 |
| 30 | -380 | 85 | -310 |
| 35 | -450 | 90 | -201 |
| 40 | -510 | 95 | -110 |
| 45 | -590 | 100 | -93 |
| 50 | -630 | | |
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| 工况 | 能量回收减速度/g | 百公里电耗/kW·h |
| 工况1 | 0.070 | 32.5 |
| 工况2 | 0.035 | 34.3 |
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能耗对比
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| 工况 | 能量回收减速度/g | 百公里电耗/kW·h |
| 工况1 | 0.070 | 32.5 |
| 工况2 | 0.035 | 34.3 |
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