Article(id=1204386109984846174, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204386108021911888, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20220992, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=1675353600000, revisedDateStr=2023-02-03, acceptedDate=null, acceptedDateStr=null, onlineDate=1765077625032, onlineDateStr=2025-12-07, pubDate=1695484800000, pubDateStr=2023-09-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765077625032, onlineIssueDateStr=2025-12-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765077625032, creator=13701087609, updateTime=1765077625032, updator=13701087609, issue=Issue{id=1204386108021911888, tenantId=1146029695717560320, journalId=1189621681917173762, year='2023', volume='', issue='9', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1765077624563, creator=13701087609, updateTime=1765079263705, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1204392983144673781, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204386108021911888, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1204392983144673782, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204386108021911888, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=27, endPage=34, ext={EN=ArticleExt(id=1204386110202949987, articleId=1204386109984846174, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=Research on Long-Term Vehicle Following Speed Prediction Based on IDM Algorithm, columnId=null, journalTitle=Automobile Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
For the energy management of new energy vehicles, it is difficult to predict the vehicle speed in a long-term and accurate way, this paper proposed a model-based parametric prediction method to predict the vehicle speed trajectory using the forward-looking data provided by sensors and GPS. Firstly, the speed prediction algorithm based on Intelligent Driver Model (IDM) was established in term of vehicle dynamics and vehicle stop-turn trend; secondly, data was selected from the NGSIM public data set for parameter calibration and simulation; then the algorithm parameters were calibrated using Genetic Algorithm (GA). The results show that the optimized speed prediction algorithm has high accuracy for long-term speed prediction in both unobstructed and congested traffic environments, the error can be controlled in the range of 8%~13%.
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针对新能源汽车能量管理中难以长期、精准地预测车速的问题,提出了一种基于模型的参数化车速预测方法,利用传感器和GPS提供的前瞻数据预测车辆的速度轨迹。首先根据整车动力学和车辆停车转弯趋势建立基于智能驾驶员模型(IDM)的车速预测算法;然后,从NGSIM公开数据集中筛选数据用于参数标定及仿真;最后,利用遗传算法(GA)对算法参数进行标定。仿真验证结果表明,优化后的车速预测算法在通畅或拥堵的交通环境中,对于长期车速预测均有较高的精度,误差可控制在8%~13%范围内。
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| 数据名称 | 数值 | 说明 |
| 车辆ID(Vehicle ID) | 26 | |
| 本组数据帧数(Frame ID) | 64 帧 | |
| 此车辆总帧数(Total Frames) | 438 帧 | |
| 全局时间(Global Time) | 1 118 846 985 300 ft(341 024 561 119 m) | 从1970年1月1日0时起 |
| 相对于研究区域道路起点的X向偏移量(Local X) | 13.696 ft(4.175 m) | |
| 相对于研究区域道路起点的Y向偏移量(Local Y) | 71.006 ft(21.643 m) | |
| 相对于加利福尼亚州平面Ⅲ在NAD83大地基准的X向偏移量(Global X) | 6 451 163.521 ft(1 966 314.574 m) | |
| 相对于加利福尼亚州平面Ⅲ在NAD83大地基准的Y向偏移量(Global Y) | 1 873 320.302 ft(570 988.028 m) | |
| 车身长度(Vehicle Length) | 11.5 ft(3.505 m) | |
| 车身宽度(Vehicle Width) | 7 ft(2.134 m) | |
| 车辆种类(Vehicle Class) | 2 | 1-摩托车;2-汽车;3-载货汽车 |
| 当前车辆速度(Vehicle Velocity) | 28.64 ft/s(8.729 m/s) | |
| 当前车辆加速度(Vehicle Acceleration) | -11.13 ft/s2 (-3.392 m/s2) | |
| 当前车辆所在车道(Lane Identification) | 2 | |
| 前车的ID(Preceding Vehicle) | 22 | |
| 后车的ID(Following Vehicle) | 32 | |
| 当前车辆与前车的车头间距(Spacing) | 45.68 ft(13.923 m) | |
| 当前车辆与前车的车头时距(Headway) | 1.6 s | |
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数据种类及数据释义
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| 数据名称 | 数值 | 说明 |
| 车辆ID(Vehicle ID) | 26 | |
| 本组数据帧数(Frame ID) | 64 帧 | |
| 此车辆总帧数(Total Frames) | 438 帧 | |
| 全局时间(Global Time) | 1 118 846 985 300 ft(341 024 561 119 m) | 从1970年1月1日0时起 |
| 相对于研究区域道路起点的X向偏移量(Local X) | 13.696 ft(4.175 m) | |
| 相对于研究区域道路起点的Y向偏移量(Local Y) | 71.006 ft(21.643 m) | |
| 相对于加利福尼亚州平面Ⅲ在NAD83大地基准的X向偏移量(Global X) | 6 451 163.521 ft(1 966 314.574 m) | |
| 相对于加利福尼亚州平面Ⅲ在NAD83大地基准的Y向偏移量(Global Y) | 1 873 320.302 ft(570 988.028 m) | |
| 车身长度(Vehicle Length) | 11.5 ft(3.505 m) | |
| 车身宽度(Vehicle Width) | 7 ft(2.134 m) | |
| 车辆种类(Vehicle Class) | 2 | 1-摩托车;2-汽车;3-载货汽车 |
| 当前车辆速度(Vehicle Velocity) | 28.64 ft/s(8.729 m/s) | |
| 当前车辆加速度(Vehicle Acceleration) | -11.13 ft/s2 (-3.392 m/s2) | |
| 当前车辆所在车道(Lane Identification) | 2 | |
| 前车的ID(Preceding Vehicle) | 22 | |
| 后车的ID(Following Vehicle) | 32 | |
| 当前车辆与前车的车头间距(Spacing) | 45.68 ft(13.923 m) | |
| 当前车辆与前车的车头时距(Headway) | 1.6 s | |
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| 主车ID | 数据帧编号 | 主车速度/m·s-1 | 主车加速度/m·s-2 | 前车编号 | 前车速度/m·s-1 | 车头距离/m | 与前车时距/s |
| 26 | 64 | 8.729 | -3.39 | 22 | 20.390 | 13.923 | 1.60 |
| 26 | 65 | 8.403 | -3.41 | 22 | 20.180 | 13.981 | 1.66 |
| 26 | 66 | 8.169 | -1.58 | 22 | 19.931 | 14.085 | 1.72 |
| 26 | 67 | 8.138 | 1.09 | 22 | 19.815 | 14.207 | 1.75 |
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部分筛选结果示例
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| 主车ID | 数据帧编号 | 主车速度/m·s-1 | 主车加速度/m·s-2 | 前车编号 | 前车速度/m·s-1 | 车头距离/m | 与前车时距/s |
| 26 | 64 | 8.729 | -3.39 | 22 | 20.390 | 13.923 | 1.60 |
| 26 | 65 | 8.403 | -3.41 | 22 | 20.180 | 13.981 | 1.66 |
| 26 | 66 | 8.169 | -1.58 | 22 | 19.931 | 14.085 | 1.72 |
| 26 | 67 | 8.138 | 1.09 | 22 | 19.815 | 14.207 | 1.75 |
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| 模型参数 | βmax/m·s-2 | S0/m | Tgap/s | δ | b | γ |
| 参数取值 | 2.13 | 3.17 | 1.39 | 2 | 2.1 | 0.99 |
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参数标定结果
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| 模型参数 | βmax/m·s-2 | S0/m | Tgap/s | δ | b | γ |
| 参数取值 | 2.13 | 3.17 | 1.39 | 2 | 2.1 | 0.99 |
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| 传感器编号 | TIS1 | TIS2 |
| 角度/(°) | 9 | 80 |
| 距离/m | 150 | 30 |
| 检测目标数量/个 | 32 | 32 |
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传感器配置
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| 传感器编号 | TIS1 | TIS2 |
| 角度/(°) | 9 | 80 |
| 距离/m | 150 | 30 |
| 检测目标数量/个 | 32 | 32 |
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| 项目 | 仿真1 | 仿真2 | 仿真3 |
| 均方根误差Erms/m·s-1 | 1.089 9 | 1.119 8 | 1.095 1 |
| 平均绝对百分比误差Emap/% | 8.89 | 12.67 | 10.06 |
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车速预测误差分析
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| 项目 | 仿真1 | 仿真2 | 仿真3 |
| 均方根误差Erms/m·s-1 | 1.089 9 | 1.119 8 | 1.095 1 |
| 平均绝对百分比误差Emap/% | 8.89 | 12.67 | 10.06 |
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