Article(id=1200066405719704251, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066398035734581, articleNumber=null, orderNo=null, doi=10.20104/j.cnki.1674-6546.20230100, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1680710400000, revisedDateStr=2023-04-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1764047727279, onlineDateStr=2025-11-25, pubDate=1689350400000, pubDateStr=2023-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764047727279, onlineIssueDateStr=2025-11-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764047727279, creator=13701087609, updateTime=1764047727279, updator=13701087609, issue=Issue{id=1200066398035734581, tenantId=1146029695717560320, journalId=1189918454225211397, year='2023', volume='', issue='7', pageStart='1', pageEnd='48', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764047725447, creator=13701087609, updateTime=1764048102895, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200067981213532341, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066398035734581, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200067981217726646, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066398035734581, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=37, endPage=43, ext={EN=ArticleExt(id=1200066406671811336, articleId=1200066405719704251, tenantId=1146029695717560320, journalId=1189918454225211397, language=EN, title=A Working Condition Classification and Construction Method Based on User Big Data, columnId=1200066400665563332, journalTitle=Automotive Engineer, columnName=Special Issue on Hongqi Electric Drive System for New Energy Vehicle, runingTitle=null, highlight=null, articleAbstract=
To improve the correlation between reliability test condition and user actual driving behavior, this paper proposed a method of user condition classification and test condition construction based on user big data. In this method, the principal component analysis method was used to reduce the dimensionality of a large amount of data, and the K-means clustering method was used to classify the data and select representative segments, sort the data through the Markov method, and finally construct a reliability test condition conforming to the actual driving situation of the user. Driving data from twenty users under a big data platform was calculated according to this calculation process. Compared with the condition commonly used at present, the method from perspective of data source can describe user actual driving state more accurately.
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为提高可靠性试验所用工况与用户实际驾驶行为的相关性,提出一种基于用户大数据的用户工况分类及试验工况构建方法,通过主成分分析法对大量数据进行降维处理,利用K均值聚类方法对数据进行分类并选取代表片段,采用马尔可夫方法对数据进行排序,最终构建出符合用户实际驾驶情况的可靠性试验工况,并根据该计算流程对某大数据平台下20位用户的行驶数据进行实际计算,与目前普遍采用的工况相比,数据来源角度能更准确地描述用户实际驾驶状态。
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40(1): 77-81., articleTitle=Construction of Driving Cycle Based on Big Data and Markov Chain, refAbstract=null), Reference(id=1200114697090466543, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, doi=null, pmid=null, pmcid=null, year=2021, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[9], rfOrder=15, authorNames=龚文轩, journalName=乘用车行驶工况模型构建方法研究: 以福州市为例, refType=null, unstructuredReference=龚文轩.
乘用车行驶工况模型构建方法研究: 以福州市为例[D]. 南昌: 南昌航空大学,
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Research on Construction Method of Typical Driving Cycle of Passenger Car: A Case Study of Fuzhou City[D]. Nanchang: Nanchang Hangkong University,
2021., articleTitle=null, refAbstract=null), Reference(id=1200114697337930483, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, doi=null, pmid=null, pmcid=null, year=2018, volume=48, issue=5, pageStart=1366, pageEnd=1373, url=null, language=null, rfNumber=[10], rfOrder=17, authorNames=曹骞, 李君, 刘宇, journalName=吉林大学学报(工学版), refType=null, unstructuredReference=曹骞, 李君, 刘宇, 等. 基于马尔科夫链的长春市乘用车行驶工况构建[J].
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48(5): 1366-1373., articleTitle=基于马尔科夫链的长春市乘用车行驶工况构建, refAbstract=null), Reference(id=1200114697417622259, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, doi=null, pmid=null, pmcid=null, year=2018, volume=48, issue=5, pageStart=1366, pageEnd=1373, url=null, language=null, rfNumber=[10], rfOrder=18, authorNames=CAO Q, LI J, LIU Y, journalName=Journal of Jilin University (Engineering and Technology Edition), refType=null, unstructuredReference=
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LIU Y, et al. Construction of Driving Cycle Based on Markov Chain for Passenger Car in Changchun City[J].
Journal of Jilin University (Engineering and Technology Edition),
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48(5): 1366-1373., articleTitle=Construction of Driving Cycle Based on Markov Chain for Passenger Car in Changchun City, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1200114689205174801, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, xref=null, ext=[AuthorCompanyExt(id=1200114689213563409, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, companyId=1200114689205174801, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Global R&D Center, China FAW Corporation Limited, Changchun 130013), AuthorCompanyExt(id=1200114689221952018, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, companyId=1200114689205174801, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国第一汽车股份有限公司研发总院, 长春 130013)])], figs=[ArticleFig(id=1200114691600122487, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=EN, label=null, caption=null, figureFileSmall=wMgRVkyX875WOQtQqiYx2g==, figureFileBig=alcdTHs5lmshdRkMWls1xQ==, tableContent=null), ArticleFig(id=1200114691730145919, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=CN, label=图1, caption=
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城市拥堵工况速度曲线, figureFileSmall=yDFuejy+kl9e0zxigNZrWw==, figureFileBig=CHf/OcTmtYiuIYcIgl0wCA==, tableContent=null), ArticleFig(id=1200114692875190935, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=EN, label=null, caption=null, figureFileSmall=A5YwAXcmSYfHvadFQfvwpg==, figureFileBig=XyQnjunNpI0kAlxlrzm/RA==, tableContent=null), ArticleFig(id=1200114692971659929, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=CN, label=图5, caption=
城市快速路工况速度曲线, figureFileSmall=A5YwAXcmSYfHvadFQfvwpg==, figureFileBig=XyQnjunNpI0kAlxlrzm/RA==, tableContent=null), ArticleFig(id=1200114693068128924, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=EN, label=null, caption=null, figureFileSmall=RKz0tUpoQ1nzZme9eMEKuA==, figureFileBig=XWkLhfxCWXOhpXor74GuKg==, tableContent=null), ArticleFig(id=1200114693164597919, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=CN, label=图6, caption=
试验片段转速变化情况, figureFileSmall=RKz0tUpoQ1nzZme9eMEKuA==, figureFileBig=XWkLhfxCWXOhpXor74GuKg==, tableContent=null), ArticleFig(id=1200114693344952993, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=EN, label=null, caption=null, figureFileSmall=llecdGBTi+y2v/9DUMAc0A==, figureFileBig=HVojdKFA91EHbYmMJrVdVQ==, tableContent=null), ArticleFig(id=1200114693428839076, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=CN, label=图7, caption=
工况3, figureFileSmall=llecdGBTi+y2v/9DUMAc0A==, figureFileBig=HVojdKFA91EHbYmMJrVdVQ==, tableContent=null), ArticleFig(id=1200114693500142246, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=EN, label=null, caption=null, figureFileSmall=uCeHrjB7G+9a/FxEOAJ+SQ==, figureFileBig=UiFwgihaIiS5f8LAkfpHmg==, tableContent=null), ArticleFig(id=1200114693630165672, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=CN, label=图8, caption=
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工况1, figureFileSmall=0nshst38mAC1VrG6fDT+0w==, figureFileBig=/4vneVCT3KjZOzTL23d6Rg==, tableContent=null), ArticleFig(id=1200114694045401779, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066405719704251, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 城市名称 | 总里程/km |
| 东莞市 | 301 474.8 |
| 上海城区 | 276 864.3 |
| 深圳市 | 260 965.0 |
| 佛山市 | 223 405.4 |
| 青岛市 | 217 580.7 |
| 广州市 | 212 662.1 |
| 杭州市 | 198 604.4 |
| 北京城区 | 187 081.8 |
| 中山市 | 178 809.4 |
| 成都市 | 177 604.7 |
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某车型用户总行驶里程由高到低排序的前10个城市
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| 城市名称 | 总里程/km |
| 东莞市 | 301 474.8 |
| 上海城区 | 276 864.3 |
| 深圳市 | 260 965.0 |
| 佛山市 | 223 405.4 |
| 青岛市 | 217 580.7 |
| 广州市 | 212 662.1 |
| 杭州市 | 198 604.4 |
| 北京城区 | 187 081.8 |
| 中山市 | 178 809.4 |
| 成都市 | 177 604.7 |
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| 序号 | 特征参数 |
| 1 | 最大速度Vmax |
| 2 | 平均速度Vm |
| 3 | 速度标准差Vsd |
| 4 | 最大加速度amax |
| 5 | 最大减速度amin |
| 6 | 加速度标准差asd |
| 7 | 加速段平均加速度aamean |
| 8 | 减速段平均减速度admean |
| 9 | 扭矩标准差Trq_sd |
| 10 | 平均正扭矩Trq_pmean |
| 11 | 平均负扭矩Trq_nmean |
| 12 | 扭矩增加时最大波动量Trq_range_max |
| 13 | 扭矩减小时最大波动量Trq_range_min |
| 14 | 扭矩波动标准差Trq_range_sd |
| 15 | 加速时间比例Pta |
| 16 | 减速时间比例Ptd |
| 17 | 总时间T |
| 18 | 总行驶里程S |
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工况特征参数
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| 序号 | 特征参数 |
| 1 | 最大速度Vmax |
| 2 | 平均速度Vm |
| 3 | 速度标准差Vsd |
| 4 | 最大加速度amax |
| 5 | 最大减速度amin |
| 6 | 加速度标准差asd |
| 7 | 加速段平均加速度aamean |
| 8 | 减速段平均减速度admean |
| 9 | 扭矩标准差Trq_sd |
| 10 | 平均正扭矩Trq_pmean |
| 11 | 平均负扭矩Trq_nmean |
| 12 | 扭矩增加时最大波动量Trq_range_max |
| 13 | 扭矩减小时最大波动量Trq_range_min |
| 14 | 扭矩波动标准差Trq_range_sd |
| 15 | 加速时间比例Pta |
| 16 | 减速时间比例Ptd |
| 17 | 总时间T |
| 18 | 总行驶里程S |
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| 成分 | 初始特征值 |
| 贡献值 | 方差百分比/% | 累积百分比/% |
| 1 | 7.652 | 42.513 | 42.513 |
| 2 | 3.977 | 22.095 | 64.608 |
| 3 | 1.379 | 7.661 | 72.269 |
| 4 | 1.240 | 6.889 | 80.158 |
| 5 | 1.004 | 5.580 | 84.738 |
| 6 | 0.910 | 5.058 | 89.796 |
| 7 | 0.665 | 3.694 | 93.490 |
| 8 | 0.372 | 2.064 | 95.554 |
| 9 | 0.239 | 1.330 | 96.884 |
| 10 | 0.218 | 1.214 | 98.098 |
| 11 | 0.142 | 0.789 | 98.887 |
| 12 | 0.088 | 0.489 | 99.376 |
| 13 | 0.044 | 0.246 | 99.622 |
| 14 | 0.033 | 0.182 | 99.804 |
| 15 | 0.020 | 0.109 | 99.913 |
| 16 | 0.013 | 0.073 | 99.986 |
| 17 | 0.002 | 0.013 | 99.999 |
| 18 | 0.000 | 0.001 | 100.000 |
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总方差解释
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| 成分 | 初始特征值 |
| 贡献值 | 方差百分比/% | 累积百分比/% |
| 1 | 7.652 | 42.513 | 42.513 |
| 2 | 3.977 | 22.095 | 64.608 |
| 3 | 1.379 | 7.661 | 72.269 |
| 4 | 1.240 | 6.889 | 80.158 |
| 5 | 1.004 | 5.580 | 84.738 |
| 6 | 0.910 | 5.058 | 89.796 |
| 7 | 0.665 | 3.694 | 93.490 |
| 8 | 0.372 | 2.064 | 95.554 |
| 9 | 0.239 | 1.330 | 96.884 |
| 10 | 0.218 | 1.214 | 98.098 |
| 11 | 0.142 | 0.789 | 98.887 |
| 12 | 0.088 | 0.489 | 99.376 |
| 13 | 0.044 | 0.246 | 99.622 |
| 14 | 0.033 | 0.182 | 99.804 |
| 15 | 0.020 | 0.109 | 99.913 |
| 16 | 0.013 | 0.073 | 99.986 |
| 17 | 0.002 | 0.013 | 99.999 |
| 18 | 0.000 | 0.001 | 100.000 |
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| 聚类类别 | 到聚类中心的距离 | 片段编号 |
| 4 | 0.160 | 57 |
| 4 | 0.214 | 51 |
| 4 | 0.233 | 34 |
| 4 | 0.271 | 115 |
| 4 | 0.272 | 78 |
| 4 | 0.325 | 81 |
| 4 | 0.342 | 102 |
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K均值聚类部分结果
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| 聚类类别 | 到聚类中心的距离 | 片段编号 |
| 4 | 0.160 | 57 |
| 4 | 0.214 | 51 |
| 4 | 0.233 | 34 |
| 4 | 0.271 | 115 |
| 4 | 0.272 | 78 |
| 4 | 0.325 | 81 |
| 4 | 0.342 | 102 |
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| 片段编号 | 分类 | 距离 |
| 61500 | 1 | 0.253 90 |
| 75115 | 2 | 0.176 39 |
| 26069 | 3 | 0.154 32 |
| 23821 | 4 | 0.107 85 |
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代表片段编号和距离
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| 片段编号 | 分类 | 距离 |
| 61500 | 1 | 0.253 90 |
| 75115 | 2 | 0.176 39 |
| 26069 | 3 | 0.154 32 |
| 23821 | 4 | 0.107 85 |
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| 分类 | 试验片段编号 | 时长/s | 循环次数/次 |
| 1 | 74837 | 194 | 800 |
| 2 | 20295 | 1 140 | 600 |
| 3 | 103898 | 27.5 | 15 000 |
| 4 | 41222 | 140.5 | 12 000 |
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各试验片段及循环次数
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| 分类 | 试验片段编号 | 时长/s | 循环次数/次 |
| 1 | 74837 | 194 | 800 |
| 2 | 20295 | 1 140 | 600 |
| 3 | 103898 | 27.5 | 15 000 |
| 4 | 41222 | 140.5 | 12 000 |
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| 前序工况 | 后序工况次数/次 |
| 工况1 | 工况2 | 工况3 | 工况4 |
| 工况4 | 3 170 | 5 059 | 10 100 | 0 |
| 工况3 | 424 | 1 056 | 0 | 10 100 |
| 工况2 | 11 | 0 | 1 019 | 5 097 |
| 工况1 | 0 | 11 | 461 | 3 133 |
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马尔可夫转移概率矩阵
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| 前序工况 | 后序工况次数/次 |
| 工况1 | 工况2 | 工况3 | 工况4 |
| 工况4 | 3 170 | 5 059 | 10 100 | 0 |
| 工况3 | 424 | 1 056 | 0 | 10 100 |
| 工况2 | 11 | 0 | 1 019 | 5 097 |
| 工况1 | 0 | 11 | 461 | 3 133 |
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