Article(id=1149420604413088156, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.04.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1719763200000, receivedDateStr=2024-07-01, revisedDate=1732118400000, revisedDateStr=2024-11-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1751972827267, onlineDateStr=2025-07-08, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751972827267, onlineIssueDateStr=2025-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751972827267, creator=13701087609, updateTime=1751972827267, updator=13701087609, issue=Issue{id=1149420601376412046, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='4', pageStart='587', pageEnd='795', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751972826539, creator=13701087609, updateTime=1754389785974, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1159558063947952346, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1159558063947952347, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=746, endPage=754, ext={EN=ArticleExt(id=1149420604757021088, articleId=1149420604413088156, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Multi-output Sensitivity Analysis for the Powertrain Mounting System of Electric Vehicles, columnId=1149809889280750125, journalTitle=Automotive Engineering, columnName=Selected Papers, runingTitle=null, highlight=
There are many investigated parameters in the powertrain mounting system (PMS) of electric vehicles,and it involves multi-performance design. For the problem that the traditional single-output sensitivity analysis is difficult to accurately evaluate the influence of system parameters on the system comprehensive performance,the multi-output response sensitivity analysis of the PMS of electric vehicle is carried out by considering the uncertainty of system parameters. Firstly,a 13-degree-of-freedom analysis model of PMS is established,and the uncertain parameters of system are described by the random variables. Then,based on the summation of covariance decomposition,the first order index and the global sensitivity index of the multi-output response of system are derived. Next,a method of calculating the sensitivity indexes of multi-output response is proposed based on Monte Carlo analysis. Finally,the effectiveness of the proposed method is verified by the numerical example of the PMS of an electric vehicle. The analysis results show that the single output sensitivity analysis may not be able to accurately evaluate the comprehensive influence of parameters on the system response,and it may produce contradictory results. The proposed multi-output sensitivity analysis method can effectively evaluate the comprehensive influence of system parameters on the system response,and it can obtain more accurate sensitivity ranking for system parameters.
, articleAbstract=
There are many investigated parameters in the powertrain mounting system (PMS) of electric vehicles, and it involves multiperformance design. For the problem that the traditional singleoutput sensitivity analysis is difficult to accurately evaluate the influence of system parameters on the system comprehensive performance, the multioutput response sensitivity analysis of the PMS of electric vehicle is carried out by considering the uncertainty of system parameters. Firstly, a 13degreeoffreedom analysis model of PMS is established, and the uncertain parameters of system are described by the random variables. Then, based on the summation of covariance decomposition, the first order index and the global sensitivity index of the multioutput response of system are derived. Next, a method of calculating the sensitivity indexes of multioutput response is proposed based on Monte Carlo analysis. Finally, the effectiveness of the proposed method is verified by the numerical example of the PMS of an electric vehicle. The analysis results show that the single output sensitivity analysis may not be able to accurately evaluate the comprehensive influence of parameters on the system response, and it may produce contradictory results. The proposed multioutput sensitivity analysis method can effectively evaluate the comprehensive influence of system parameters on the system response, and it can obtain more accurate sensitivity ranking for system parameters.
, correspAuthors=Changyu Li, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Xiaoting Huang, Haibiao Zhang, Changyu Li, Hui Lü, Wenbin Shangguan), CN=ArticleExt(id=1149420611132363283, articleId=1149420604413088156, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=电动汽车动力总成悬置系统的多输出灵敏度分析
*, columnId=1149809889410773550, journalTitle=汽车工程, columnName=精选论文, runingTitle=null, highlight=
电动汽车动力总成悬置系统(powertrain mounting system,PMS)研究参数较多且涉及多项性能设计,针对传统单输出灵敏度分析难以准确度量参数对系统综合性能影响的问题,开展了考虑系统参数不确定性的电动汽车PMS多输出灵敏度分析研究。首先,建立了PMS的13自由度分析模型,并采用随机变量描述系统参数的不确定性;然后,基于协方差分解求和推导了系统多输出全局灵敏度分析的1阶指标和总体指标;进一步地,结合蒙特卡洛分析提出了一种求解多输出灵敏度指标的计算方法;最后,结合某电动汽车悬置系统算例验证了方法的有效性。分析结果表明:单输出灵敏度分析可能无法准确地评估参数对系统响应的综合影响,且有可能得到矛盾结果;所提出的多输出灵敏度分析方法则能有效地评估系统参数对系统响应的综合影响,获得更为准确的参数敏感度排序。
, articleAbstract=
电动汽车动力总成悬置系统(powertrain mounting system, PMS)研究参数较多且涉及多项性能设计,针对传统单输出灵敏度分析难以准确度量参数对系统综合性能影响的问题,开展了考虑系统参数不确定性的电动汽车PMS多输出灵敏度分析研究。首先,建立了PMS的13自由度分析模型,并采用随机变量描述系统参数的不确定性;然后,基于协方差分解求和推导了系统多输出全局灵敏度分析的1阶指标和总体指标;进一步地,结合蒙特卡洛分析提出了一种求解多输出灵敏度指标的计算方法;最后,结合某电动汽车悬置系统算例验证了方法的有效性。分析结果表明:单输出灵敏度分析可能无法准确地评估参数对系统响应的综合影响,且有可能得到矛盾结果;所提出的多输出灵敏度分析方法则能有效地评估系统参数对系统响应的综合影响,获得更为准确的参数敏感度排序。
, correspAuthors=李长玉, authorNote=null, correspAuthorsNote=
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| 部件 | 转动惯量 | 惯性积 |
| Ixx | Iyy | Izz | Ixy | Iyz | Izy |
| 电驱动总成 | 0.59 | 1.49 | 1.60 | -0.02 | -0.01 | -0.02 |
| 车身 | 450 | 1 280 | | 1.80 | | |
), ArticleFig(id=1170298351674204174, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420604413088156, language=CN, label=表1, caption=
电驱总成转动惯量和惯性积 kg·m2
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| 部件 | 转动惯量 | 惯性积 |
| Ixx | Iyy | Izz | Ixy | Iyz | Izy |
| 电驱动总成 | 0.59 | 1.49 | 1.60 | -0.02 | -0.01 | -0.02 |
| 车身 | 450 | 1 280 | | 1.80 | | |
), ArticleFig(id=1170298351741313039, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420604413088156, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | X0 | Y0 | Z0 |
| 电驱动总成质心 | 22.80 | 5.30 | -10.50 |
| 悬置1 | -150.80 | -88.30 | 68.50 |
| 悬置2 | -22.80 | 346.70 | 44.50 |
| 悬置3 | 280.20 | -88.30 | 68.50 |
), ArticleFig(id=1170298351795838992, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420604413088156, language=CN, label=表2, caption=
电驱动总成和悬置安装位置 mm
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| 项目 | X0 | Y0 | Z0 |
| 电驱动总成质心 | 22.80 | 5.30 | -10.50 |
| 悬置1 | -150.80 | -88.30 | 68.50 |
| 悬置2 | -22.80 | 346.70 | 44.50 |
| 悬置3 | 280.20 | -88.30 | 68.50 |
), ArticleFig(id=1170298351913279505, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420604413088156, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | X0 | Y0 | Z0 |
| 车身质心 | 1 317.34 | -63.60 | 230.97 |
| 左前悬架 | 0.00 | -775.00 | 278.21 |
| 右前悬架 | 0.00 | 775.00 | 278.21 |
| 左后悬架 | 2 700.00 | -810.00 | 278.21 |
| 右后悬架 | 2 700.00 | 810.00 | 278.21 |
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车身和悬架位置 mm
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| 项目 | X0 | Y0 | Z0 |
| 车身质心 | 1 317.34 | -63.60 | 230.97 |
| 左前悬架 | 0.00 | -775.00 | 278.21 |
| 右前悬架 | 0.00 | 775.00 | 278.21 |
| 左后悬架 | 2 700.00 | -810.00 | 278.21 |
| 右后悬架 | 2 700.00 | 810.00 | 278.21 |
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| 悬置 | 静刚度 | 动刚度 |
| u | v | w | u | v | w |
| 悬置1 | 118.0 | 75.0 | 118.0 | 141.6 | 90.0 | 141.6 |
| 悬置2 | 78.0 | 93.0 | 150.0 | 93.6 | 111.6 | 180.0 |
| 悬置3 | 95.0 | 63.0 | 188.0 | 114.0 | 75.6 | 225.6 |
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悬置刚度 N·mm-1
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| 悬置 | 静刚度 | 动刚度 |
| u | v | w | u | v | w |
| 悬置1 | 118.0 | 75.0 | 118.0 | 141.6 | 90.0 | 141.6 |
| 悬置2 | 78.0 | 93.0 | 150.0 | 93.6 | 111.6 | 180.0 |
| 悬置3 | 95.0 | 63.0 | 188.0 | 114.0 | 75.6 | 225.6 |
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| 响应 | 对响应影响大的参数 | 独立作用对响应影响大的参数 | 交互作用对响应影响大的参数 |
| | ku1、kv1、kw1、ku2、kv2、ku3、kv3 | kv1、kw1、ku2、ku3 | ku1、kv1、kw1、ku2、kv2、ku3、kv3 |
| | ku1、kv1、kw1、ku2、kv2、ku3、kv3 | ku1、kv1、kw1、kv2、ku3、kv3 | ku1、kv1、kw1、ku2、kv2、ku3、kv3 |
| | kw1、kw3 | kw1、kw3 | |
| | kf、kw、kw1、kw2、kw3 | kw、kw3 | kf、kw、kw1、kw2、kw3 |
| | Iyy、kw3 | Iyy、kw3 | |
| | Iyy、Izz、ku1、kv1、kw1、ku2、kw2、ku3、kv3、kw3 | kw1、ku2 | Iyy、Izz、ku1、kv1、kw1、ku2、kw2、ku3、kv3、kw3 |
), ArticleFig(id=1170298352508870678, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420604413088156, language=CN, label=表5, caption=
单输出灵敏度分析结果
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| 响应 | 对响应影响大的参数 | 独立作用对响应影响大的参数 | 交互作用对响应影响大的参数 |
| | ku1、kv1、kw1、ku2、kv2、ku3、kv3 | kv1、kw1、ku2、ku3 | ku1、kv1、kw1、ku2、kv2、ku3、kv3 |
| | ku1、kv1、kw1、ku2、kv2、ku3、kv3 | ku1、kv1、kw1、kv2、ku3、kv3 | ku1、kv1、kw1、ku2、kv2、ku3、kv3 |
| | kw1、kw3 | kw1、kw3 | |
| | kf、kw、kw1、kw2、kw3 | kw、kw3 | kf、kw、kw1、kw2、kw3 |
| | Iyy、kw3 | Iyy、kw3 | |
| | Iyy、Izz、ku1、kv1、kw1、ku2、kw2、ku3、kv3、kw3 | kw1、ku2 | Iyy、Izz、ku1、kv1、kw1、ku2、kw2、ku3、kv3、kw3 |
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