Article(id=1204385598338474626, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385597805798018, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20220277, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=1657036800000, revisedDateStr=2022-07-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1765077503045, onlineDateStr=2025-12-07, pubDate=1682265600000, pubDateStr=2023-04-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765077503045, onlineIssueDateStr=2025-12-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765077503045, creator=13701087609, updateTime=1765077503045, updator=13701087609, issue=Issue{id=1204385597805798018, tenantId=1146029695717560320, journalId=1189621681917173762, year='2023', volume='', issue='4', 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=1765077502919, creator=13701087609, updateTime=1765079117157, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1204392368473612861, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385597805798018, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1204392368473612862, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385597805798018, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=7, ext={EN=ArticleExt(id=1204385598523024004, articleId=1204385598338474626, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=Research on Vehicle Planning Driving Cycle Construction Method Based on Markov Chain, columnId=null, journalTitle=Automobile Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to accurately reflect the driving motion characteristics of vehicles on the real road, this paper proposes a vehicle driving cycle construction method based on Markov fusion online map information. In this paper, the actual collected vehicle driving data were cleaned and segmented that were clustered and analyzed by Principal Component Analysis (PCA) method and K-Means clustering method, and a typical working condition fragment library based on Markov was established. The road information of the planned path on the online map was integrated in the fragment database, and the road driving condition of the vehicle was constructed. An electric vehicle was taken as the research object for simulation and analysis, the results show that the energy consumption of online map planning driving condition based on Markov fragment library is closer to the actual road condition than that of online map basic planning condition. The error of characteristic parameters is only 4.29%, and the error of energy consumption is only 4.09%.
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为准确反映车辆在实际道路上的行驶运动特征,提出马尔可夫链融合在线地图信息的车辆行驶工况构建方法。对实际采集的车辆行驶数据进行清洗、分段,通过主成分分析(PCA)法和K均值(K-Means)聚类法对数据进行聚类分析,建立了基于马尔可夫链的典型工况片段库。将在线地图规划路径的道路信息融入片段库,构建了车辆行驶工况。以某款纯电动车为研究对象进行了仿真分析,仿真结果表明:与在线地图基础规划工况相比,采用基于马尔可夫链片段库构建的在线地图规划行驶工况,车辆能耗更接近实际道路工况,特征参数平均误差仅为4.29%,能耗误差仅为4.09%。
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| 序号 | 特征参数 | 序号 | 特征参数 | 序号 | 特征参数 |
| 1 | 片段平均速度 | 6 | 平均减速度 | 11 | 减速时间比例 |
| 2 | 平均行驶速度 | 7 | 最大加速度 | 12 | 匀速时间比例 |
| 3 | 最大速度 | 8 | 最大减速度 | 13 | 停车(或怠速)时间比例 |
| 4 | 速度标准差 | 9 | 加速度标准差 | 14 | 片段时间 |
| 5 | 平均加速度 | 10 | 加速时间比例 | 15 | 片段距离 |
), ArticleFig(id=1204452609122873715, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385598338474626, language=CN, label=表1, caption=
片段特征参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 特征参数 | 序号 | 特征参数 | 序号 | 特征参数 |
| 1 | 片段平均速度 | 6 | 平均减速度 | 11 | 减速时间比例 |
| 2 | 平均行驶速度 | 7 | 最大加速度 | 12 | 匀速时间比例 |
| 3 | 最大速度 | 8 | 最大减速度 | 13 | 停车(或怠速)时间比例 |
| 4 | 速度标准差 | 9 | 加速度标准差 | 14 | 片段时间 |
| 5 | 平均加速度 | 10 | 加速时间比例 | 15 | 片段距离 |
), ArticleFig(id=1204452609223537023, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385598338474626, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征参数 | 交通片段序号 |
| 1 | 2 | … | 11 586 | 11 587 |
| 片段平均速度/m·s-1 | 1.85 | 1.58 | … | 18.38 | 2.80 |
| 平均行驶速度/m·s-1 | 3.81 | 2.47 | … | 23.19 | 3.66 |
| 最大速度/m·s-1 | 7.62 | 6.95 | … | 29.08 | 8.24 |
| 速度标准差/m·s-1 | 2.77 | 2.08 | … | 11.37 | 3.01 |
| 平均加速度/m·s-2 | 0.34 | 0.35 | … | 0.31 | 0.55 |
| 平均减速度/m·s-2 | -0.42 | -0.30 | … | -0.32 | -0.39 |
| 最大加速度/m·s-2 | 0.69 | 1.04 | … | 1.52 | 1.20 |
| 最大减速度/m·s-2 | -1.09 | -0.73 | … | -1.86 | -0.91 |
| 加速度标准差/m·s-2 | 0.48 | 0.42 | … | 0.49 | 0.58 |
| 加速时间比例/% | 22 | 24 | … | 28 | 23 |
| 减速时间比例/% | 18 | 25 | … | 26 | 35 |
| 匀速时间比例/% | 9 | 15 | … | 25 | 18 |
| 停车或怠速时间比例/% | 51 | 36 | … | 21 | 24 |
| 片段时间/s | 23.40 | 24.00 | … | 197.00 | 13.00 |
| 片段距离/m | 43.30 | 38.00 | … | 3 62 | 36.40 |
), ArticleFig(id=1204452609328394631, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385598338474626, language=CN, label=表2, caption=
片段特征参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征参数 | 交通片段序号 |
| 1 | 2 | … | 11 586 | 11 587 |
| 片段平均速度/m·s-1 | 1.85 | 1.58 | … | 18.38 | 2.80 |
| 平均行驶速度/m·s-1 | 3.81 | 2.47 | … | 23.19 | 3.66 |
| 最大速度/m·s-1 | 7.62 | 6.95 | … | 29.08 | 8.24 |
| 速度标准差/m·s-1 | 2.77 | 2.08 | … | 11.37 | 3.01 |
| 平均加速度/m·s-2 | 0.34 | 0.35 | … | 0.31 | 0.55 |
| 平均减速度/m·s-2 | -0.42 | -0.30 | … | -0.32 | -0.39 |
| 最大加速度/m·s-2 | 0.69 | 1.04 | … | 1.52 | 1.20 |
| 最大减速度/m·s-2 | -1.09 | -0.73 | … | -1.86 | -0.91 |
| 加速度标准差/m·s-2 | 0.48 | 0.42 | … | 0.49 | 0.58 |
| 加速时间比例/% | 22 | 24 | … | 28 | 23 |
| 减速时间比例/% | 18 | 25 | … | 26 | 35 |
| 匀速时间比例/% | 9 | 15 | … | 25 | 18 |
| 停车或怠速时间比例/% | 51 | 36 | … | 21 | 24 |
| 片段时间/s | 23.40 | 24.00 | … | 197.00 | 13.00 |
| 片段距离/m | 43.30 | 38.00 | … | 3 62 | 36.40 |
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| 主成分 | 特征值 | 贡献率/% | 累计贡献率/% | 主成分 | 特征值 | 贡献率/% | 累计贡献率/% |
| M1 | 7.673 | 51.15 | 51.15 | M9 | 0.062 | 0.41 | 99.33 |
| M2 | 3.382 | 22.55 | 73.70 | M10 | 0.045 | 0.30 | 99.64 |
| M3 | 1.586 | 10.57 | 84.27 | M11 | 0.021 | 0.14 | 99.78 |
| M4 | 0.903 | 6.02 | 90.29 | M12 | 0.014 | 0.09 | 99.87 |
| M5 | 0.694 | 4.63 | 94.92 | M13 | 0.013 | 0.09 | 99.96 |
| M6 | 0.398 | 2.65 | 97.57 | M14 | 0.004 | 0.03 | 99.98 |
| M7 | 0.115 | 0.77 | 98.34 | M15 | 0.003 | 0.02 | 100.00 |
| M8 | 0.087 | 0.58 | 98.92 | | | | |
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主成分分析结果
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| 主成分 | 特征值 | 贡献率/% | 累计贡献率/% | 主成分 | 特征值 | 贡献率/% | 累计贡献率/% |
| M1 | 7.673 | 51.15 | 51.15 | M9 | 0.062 | 0.41 | 99.33 |
| M2 | 3.382 | 22.55 | 73.70 | M10 | 0.045 | 0.30 | 99.64 |
| M3 | 1.586 | 10.57 | 84.27 | M11 | 0.021 | 0.14 | 99.78 |
| M4 | 0.903 | 6.02 | 90.29 | M12 | 0.014 | 0.09 | 99.87 |
| M5 | 0.694 | 4.63 | 94.92 | M13 | 0.013 | 0.09 | 99.96 |
| M6 | 0.398 | 2.65 | 97.57 | M14 | 0.004 | 0.03 | 99.98 |
| M7 | 0.115 | 0.77 | 98.34 | M15 | 0.003 | 0.02 | 100.00 |
| M8 | 0.087 | 0.58 | 98.92 | | | | |
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| 类别 | 片段平均速度 /km·h-1 | 最大速度 /km·h-1 | 平均加 速度/m·s-2 | 平均减 速度/m·s-2 |
| 1 | 67.00 | 96.94 | 0.46 | 3.38 |
| 2 | 80.20 | 130.15 | 0.37 | 1.39 |
| 3 | 21.32 | 48.51 | 0.63 | 1.53 |
| 4 | 0.48 | 2.35 | 0.12 | 0.23 |
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聚类特征参数(部分)
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| 类别 | 片段平均速度 /km·h-1 | 最大速度 /km·h-1 | 平均加 速度/m·s-2 | 平均减 速度/m·s-2 |
| 1 | 67.00 | 96.94 | 0.46 | 3.38 |
| 2 | 80.20 | 130.15 | 0.37 | 1.39 |
| 3 | 21.32 | 48.51 | 0.63 | 1.53 |
| 4 | 0.48 | 2.35 | 0.12 | 0.23 |
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| 当前状态 | 下一状态概率 |
| 类1 | 类2 | 类3 | 类4 |
| 类1 | 47.37 | 28.95 | 18.42 | 5.26 |
| 类2 | 38.46 | 46.15 | 10.26 | 5.13 |
| 类3 | 29.73 | 8.10 | 35.14 | 27.03 |
| 类4 | 19.44 | 5.56 | 41.67 | 33.33 |
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类状态转移概率P1 %
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| 当前状态 | 下一状态概率 |
| 类1 | 类2 | 类3 | 类4 |
| 类1 | 47.37 | 28.95 | 18.42 | 5.26 |
| 类2 | 38.46 | 46.15 | 10.26 | 5.13 |
| 类3 | 29.73 | 8.10 | 35.14 | 27.03 |
| 类4 | 19.44 | 5.56 | 41.67 | 33.33 |
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| 当前状态 | 下一状态概率 |
| 加速 | 减速 | 怠速(或停车) | 匀速 |
| 加速 | 0.00 | 8.79 | 0.00 | 91.21 |
| 减速 | 11.26 | 0.00 | 6.36 | 82.38 |
| 怠速(或停车) | 100.00 | 0.00 | 0.00 | 0.00 |
| 匀速 | 48.43 | 51.57 | 0.00 | 0.00 |
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类别1行驶状态转移概率P2 %
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| 当前状态 | 下一状态概率 |
| 加速 | 减速 | 怠速(或停车) | 匀速 |
| 加速 | 0.00 | 8.79 | 0.00 | 91.21 |
| 减速 | 11.26 | 0.00 | 6.36 | 82.38 |
| 怠速(或停车) | 100.00 | 0.00 | 0.00 | 0.00 |
| 匀速 | 48.43 | 51.57 | 0.00 | 0.00 |
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| 特征参数 | 实际 行驶 | 在线地图基础 规划工况 | 在线地图规划行驶工况 |
| 参数 | 误差/% | 参数 | 误差/% |
| 平均车速/km·h-1 | 30.53 | 30.41 | -0.39 | 30.41 | -0.39 |
| 行驶里程/km | 46.66 | 46.43 | -0.49 | 46.43 | -0.49 |
| 平均加速度/m·s-2 | 0.44 | 2.00 | 354.55 | 0.48 | 9.09 |
| 平均减速度/m·s-2 | -0.51 | -2.00 | 292.16 | -0.55 | 7.84 |
| 加速时间占比/% | 42.11 | 1.33 | -96.84 | 44.12 | 4.77 |
| 减速时间占比/% | 36.38 | 0.91 | -97.50 | 34.08 | -6.32 |
| 怠速或停车时间占比/% | 17.24 | 16.50 | -4.29 | 16.50 | -4.29 |
| 匀速时间占比/% | 4.27 | 93.26 | 2 084.07 | 5.30 | 24.12 |
| 平均误差/% | | 316.40 | 4.29 |
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工况特征参数对比
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| 特征参数 | 实际 行驶 | 在线地图基础 规划工况 | 在线地图规划行驶工况 |
| 参数 | 误差/% | 参数 | 误差/% |
| 平均车速/km·h-1 | 30.53 | 30.41 | -0.39 | 30.41 | -0.39 |
| 行驶里程/km | 46.66 | 46.43 | -0.49 | 46.43 | -0.49 |
| 平均加速度/m·s-2 | 0.44 | 2.00 | 354.55 | 0.48 | 9.09 |
| 平均减速度/m·s-2 | -0.51 | -2.00 | 292.16 | -0.55 | 7.84 |
| 加速时间占比/% | 42.11 | 1.33 | -96.84 | 44.12 | 4.77 |
| 减速时间占比/% | 36.38 | 0.91 | -97.50 | 34.08 | -6.32 |
| 怠速或停车时间占比/% | 17.24 | 16.50 | -4.29 | 16.50 | -4.29 |
| 匀速时间占比/% | 4.27 | 93.26 | 2 084.07 | 5.30 | 24.12 |
| 平均误差/% | | 316.40 | 4.29 |
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| 参数 | 数值 | 参数 | 数值 |
整车长×宽×高 /mm×mm×mm | 4 650×1 820 ×1 510 | 电机数量及布局 | 单电机前驱 |
| 整备质量/kg | 1 640 | 动力电池 类型 | 三元锂电池 |
| 最高车速/km·h-1 | 155 | 电池容量 /kW·h | 50.8 |
电机最大功率 /kW | 160 | 轮胎规格 | 215/50 R17 |
电机最大转矩 /N·m | 300 | | |
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车辆基本参数
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| 参数 | 数值 | 参数 | 数值 |
整车长×宽×高 /mm×mm×mm | 4 650×1 820 ×1 510 | 电机数量及布局 | 单电机前驱 |
| 整备质量/kg | 1 640 | 动力电池 类型 | 三元锂电池 |
| 最高车速/km·h-1 | 155 | 电池容量 /kW·h | 50.8 |
电机最大功率 /kW | 160 | 轮胎规格 | 215/50 R17 |
电机最大转矩 /N·m | 300 | | |
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| 特征参数 | 实际行驶工况 | 基于马尔可夫链的规划工况 | 在线地图基础规划工况 |
| 百公里电耗/kW·h | 12.23 | 12.73 | 10.02 |
| 误差/% | | 4.09 | 18.07 |
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能耗仿真对比
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| 特征参数 | 实际行驶工况 | 基于马尔可夫链的规划工况 | 在线地图基础规划工况 |
| 百公里电耗/kW·h | 12.23 | 12.73 | 10.02 |
| 误差/% | | 4.09 | 18.07 |
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