Article(id=1194412794163458709, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1194434043442856754, articleNumber=null, orderNo=null, doi=10.20104/j.cnki.1674-6546.20240111, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=1713715200000, revisedDateStr=2024-04-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1762699801245, onlineDateStr=2025-11-09, pubDate=1736870400000, pubDateStr=2025-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762699801245, onlineIssueDateStr=2025-11-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762699801244, creator=13701087609, updateTime=1762699801244, updator=13701087609, issue=Issue{id=1194434043442856754, tenantId=1146029695717560320, journalId=1189918454225211397, year='2025', volume='', issue='1', 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=1762704867468, creator=13701087609, updateTime=1762704867468, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=1, endPage=9, ext={EN=ArticleExt(id=1194412794478031513, articleId=1194412794163458709, tenantId=1146029695717560320, journalId=1189918454225211397, language=EN, title=Variance-Based Sensitivity Analysis and Robustness Study of Intrinsic Characteristics of Powertrain Mounting Systems, columnId=1194412794398339736, journalTitle=Automotive Engineer, columnName=Journey of Serenity and Comfort: Special Issue on Advanced Control Technologies for Vehicle NVH, runingTitle=null, highlight=null, articleAbstract=
In order to realize the optimization of the intrinsic characteristics of the powertrain mounting system and its robustness evaluation, this paper proposed a sensitivity analysis method based on variance to find the key parameters that have a significant impact on the system performance. A multi-objective optimization model of the mounting system is constructed, which solves to obtain a reasonable deterministic optimization scheme. Meanwhile, in order to evaluate the robustness of the intrinsic characteristics of the mounting system under the uncertainty variation of the key parameters, the skewness and kurtosis are introduced, and the robustness evaluation is conducted by combining the mean value and standard deviation, and the Monte Carlo simulation method based on Latin Hypercube Sampling is used to analyze the influence of the uncertainty factors of the mounting stiffness on the robustness of the intrinsic characteristics of the mounting system. The results show that the variance-based sensitivity analysis method can not only effectively optimize the intrinsic characteristics of the mounting system and improve the optimization efficiency, but also more accurately evaluate and enhance the robustness of the system by comprehensively considering the sensitivity of the mounting stiffness.
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为实现动力总成悬置系统的固有特性优化及其稳健性评估,提出一种基于方差的灵敏度分析方法,找到对系统性能影响显著的关键参数,构建悬置系统的多目标优化模型,求解得到合理的确定性优化方案。同时,为了评价悬置系统固有特性在关键参数不确定性变化情况下的稳健性,引入偏度和峰度,结合平均值、标准差开展稳健性评价,并采用基于拉丁超立方采样的蒙特卡洛模拟方法,分析了悬置刚度的不确定性因素对悬置系统固有特性稳健性的影响。研究结果显示,基于方差的灵敏度分析方法不仅能够有效优化悬置系统的固有特性,提高优化效率,且通过综合考量悬置刚度的敏感性,可更准确地评估和提升系统的稳健性。
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不同偏度下的概率密度函数, figureFileSmall=++wUPyRDJDN096vxWPI+3g==, figureFileBig=Oq6ZR5+XVsVRlZkRispA+g==, tableContent=null), ArticleFig(id=1194434266638545352, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=EN, label=null, caption=null, figureFileSmall=GrmvR0blamCi8z6o5M3ktw==, figureFileBig=xLyfWuFWadk3eaYfQ8h9pg==, tableContent=null), ArticleFig(id=1194434266755985865, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=CN, label=图2, caption=
不同峰度下的概率密度函数, figureFileSmall=GrmvR0blamCi8z6o5M3ktw==, figureFileBig=xLyfWuFWadk3eaYfQ8h9pg==, tableContent=null), ArticleFig(id=1194434266827289034, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=EN, label=null, caption=null, figureFileSmall=QeRqXraDYtYhkCk7yqvs4A==, figureFileBig=T3jmaqa/fEjQWasvxSoLZQ==, tableContent=null), ArticleFig(id=1194434266919563723, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=CN, label=图3, caption=
UX模态频率的概率分布, figureFileSmall=QeRqXraDYtYhkCk7yqvs4A==, figureFileBig=T3jmaqa/fEjQWasvxSoLZQ==, tableContent=null), ArticleFig(id=1194434267007644108, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=EN, label=null, caption=null, figureFileSmall=LXLxlCMniw7j7aS+X+K4Ug==, figureFileBig=/AjOJ6Jn+JdqK0FPn0HNKg==, tableContent=null), ArticleFig(id=1194434267066364365, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=CN, label=图4, caption=
UZ解耦率的概率分布, figureFileSmall=LXLxlCMniw7j7aS+X+K4Ug==, figureFileBig=/AjOJ6Jn+JdqK0FPn0HNKg==, tableContent=null), ArticleFig(id=1194434267129278926, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=EN, label=null, caption=null, figureFileSmall=raS9EA32Wg+qWCdy3OKcWA==, figureFileBig=bJahoaMph0oBFSdVOFhEPw==, tableContent=null), ArticleFig(id=1194434267200582095, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=CN, label=图5, caption=
RotX解耦率的概率分布, figureFileSmall=raS9EA32Wg+qWCdy3OKcWA==, figureFileBig=bJahoaMph0oBFSdVOFhEPw==, tableContent=null), ArticleFig(id=1194434267267690960, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=EN, label=null, caption=null, figureFileSmall=jhA4TyJm7JhsXwKSCz9RBg==, figureFileBig=xVyRm/QB8BlaSTeD6K/bDA==, tableContent=null), ArticleFig(id=1194434267338994129, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=CN, label=图6, caption=
悬置刚度不同波动范围下模态频率的标准差与极值差, figureFileSmall=jhA4TyJm7JhsXwKSCz9RBg==, figureFileBig=xVyRm/QB8BlaSTeD6K/bDA==, tableContent=null), ArticleFig(id=1194434267406102994, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=EN, label=null, caption=null, figureFileSmall=MQLVgsiOyyPzlwopyr2yeg==, figureFileBig=GTkPwLbf0dQJ/EYAQ7EqwQ==, tableContent=null), ArticleFig(id=1194434267464823251, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=CN, label=图7, caption=
悬置刚度不同波动范围下解耦率的标准差与极值差, figureFileSmall=MQLVgsiOyyPzlwopyr2yeg==, figureFileBig=GTkPwLbf0dQJ/EYAQ7EqwQ==, tableContent=null), ArticleFig(id=1194434267531932116, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1194412794163458709, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量/kg | 质心X坐标 /mm | 质心Y坐标 /mm | 质心Z坐标 /mm |
| 135.2 | 119.5 | -14.0 | 72.1 |
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动力总成质量及其质心坐标
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| 质量/kg | 质心X坐标 /mm | 质心Y坐标 /mm | 质心Z坐标 /mm |
| 135.2 | 119.5 | -14.0 | 72.1 |
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| 参数 | Ixx | Iyy | Izz | Ixy | Iyz | Izx |
| 取值 | 3.77 | 8.43 | 7.86 | 1.07 | -0.1 | 1.16 |
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动力总成的转动惯量 kg∙m2
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| 参数 | Ixx | Iyy | Izz | Ixy | Iyz | Izx |
| 取值 | 3.77 | 8.43 | 7.86 | 1.07 | -0.1 | 1.16 |
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悬置 元件 编号 | 安装坐标/mm | 动刚度/N∙mm-1 |
| X | Y | Z | KX | KY | KZ |
| 1 | -22.2 | -223.8 | -169.4 | 280 | 250 | 100 |
| 2 | 537.6 | -8.1 | 264.0 | 170 | 170 | 225 |
| 3 | -320.5 | -22.6 | 216.6 | 130 | 170 | 220 |
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悬置元件安装坐标及其弹性主轴动刚度
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悬置 元件 编号 | 安装坐标/mm | 动刚度/N∙mm-1 |
| X | Y | Z | KX | KY | KZ |
| 1 | -22.2 | -223.8 | -169.4 | 280 | 250 | 100 |
| 2 | 537.6 | -8.1 | 264.0 | 170 | 170 | 225 |
| 3 | -320.5 | -22.6 | 216.6 | 130 | 170 | 220 |
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| 模态频率/Hz | 能量解耦百分比/% |
| UX | UY | UZ | RotX | RotY | RotZ |
| 9.46 | 60.07 | 19.81 | 9.16 | 1.46 | -0.02 | 9.51 |
| 10.48 | 27.27 | 72.03 | 0.55 | 0.01 | 0.09 | 0.05 |
| 9.79 | 5.33 | 4.55 | 83.81 | 4.86 | 0.48 | 0.96 |
| 14.06 | 0.27 | 0.01 | 6.42 | 92.41 | 1.91 | -1.02 |
| 19.09 | 1.42 | 0.29 | 0.06 | 2.30 | 76.17 | 19.75 |
| 15.83 | 5.63 | 3.30 | 0.00 | -1.04 | 21.37 | 70.74 |
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原状态悬置系统模态频率与能量解耦
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| 模态频率/Hz | 能量解耦百分比/% |
| UX | UY | UZ | RotX | RotY | RotZ |
| 9.46 | 60.07 | 19.81 | 9.16 | 1.46 | -0.02 | 9.51 |
| 10.48 | 27.27 | 72.03 | 0.55 | 0.01 | 0.09 | 0.05 |
| 9.79 | 5.33 | 4.55 | 83.81 | 4.86 | 0.48 | 0.96 |
| 14.06 | 0.27 | 0.01 | 6.42 | 92.41 | 1.91 | -1.02 |
| 19.09 | 1.42 | 0.29 | 0.06 | 2.30 | 76.17 | 19.75 |
| 15.83 | 5.63 | 3.30 | 0.00 | -1.04 | 21.37 | 70.74 |
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| 刚度 | 模态频率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | 0.295 | 0.270 | 0.029 | 0.012 | 0.564 | 0.109 |
| KY1 | 0.014 | 0.637 | 0.011 | 0.811 | 0.095 | 0.057 |
| KZ1 | -0.018 | 0.004 | 0.143 | 0.398 | 0.010 | 0.014 |
| KX2 | 0.389 | 0.193 | 0.008 | -0.005 | 0.068 | 0.096 |
| KY2 | 0.218 | 0.511 | 0.164 | 0.289 | 0.165 | 0.272 |
| KZ2 | -0.059 | 0.008 | 0.797 | 0.007 | 0.520 | 0.210 |
| KX3 | 0.281 | 0.167 | 0.005 | 0.027 | 0.030 | 0.068 |
| KY3 | 0.078 | 0.439 | 0.058 | 0.305 | 0.098 | 0.904 |
| KZ3 | -0.022 | 0.035 | 0.512 | 0.090 | 0.612 | 0.228 |
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原状态悬置刚度与系统模态频率的相关系数矩阵
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| 刚度 | 模态频率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | 0.295 | 0.270 | 0.029 | 0.012 | 0.564 | 0.109 |
| KY1 | 0.014 | 0.637 | 0.011 | 0.811 | 0.095 | 0.057 |
| KZ1 | -0.018 | 0.004 | 0.143 | 0.398 | 0.010 | 0.014 |
| KX2 | 0.389 | 0.193 | 0.008 | -0.005 | 0.068 | 0.096 |
| KY2 | 0.218 | 0.511 | 0.164 | 0.289 | 0.165 | 0.272 |
| KZ2 | -0.059 | 0.008 | 0.797 | 0.007 | 0.520 | 0.210 |
| KX3 | 0.281 | 0.167 | 0.005 | 0.027 | 0.030 | 0.068 |
| KY3 | 0.078 | 0.439 | 0.058 | 0.305 | 0.098 | 0.904 |
| KZ3 | -0.022 | 0.035 | 0.512 | 0.090 | 0.612 | 0.228 |
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| 刚度 | 解耦率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | -0.424 | -0.344 | -0.235 | 0.035 | -0.321 | -0.437 |
| KY1 | 0.366 | 0.302 | 0.073 | 0.438 | -0.181 | -0.131 |
| KZ1 | 0.049 | 0.000 | 0.020 | -0.357 | 0.015 | -0.002 |
| KX2 | -0.395 | -0.313 | -0.216 | -0.007 | 0.101 | 0.031 |
| KY2 | 0.016 | 0.777 | -0.457 | 0.369 | -0.376 | -0.094 |
| KZ2 | 0.393 | -0.029 | 0.510 | -0.210 | 0.507 | 0.497 |
| KX3 | -0.286 | -0.232 | -0.160 | 0.003 | 0.036 | -0.013 |
| KY3 | -0.044 | -0.112 | 0.124 | -0.408 | -0.342 | -0.405 |
| KZ3 | 0.341 | -0.015 | 0.354 | 0.150 | 0.558 | 0.564 |
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原状态悬置刚度与解耦率的相关系数矩阵
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| 刚度 | 解耦率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | -0.424 | -0.344 | -0.235 | 0.035 | -0.321 | -0.437 |
| KY1 | 0.366 | 0.302 | 0.073 | 0.438 | -0.181 | -0.131 |
| KZ1 | 0.049 | 0.000 | 0.020 | -0.357 | 0.015 | -0.002 |
| KX2 | -0.395 | -0.313 | -0.216 | -0.007 | 0.101 | 0.031 |
| KY2 | 0.016 | 0.777 | -0.457 | 0.369 | -0.376 | -0.094 |
| KZ2 | 0.393 | -0.029 | 0.510 | -0.210 | 0.507 | 0.497 |
| KX3 | -0.286 | -0.232 | -0.160 | 0.003 | 0.036 | -0.013 |
| KY3 | -0.044 | -0.112 | 0.124 | -0.408 | -0.342 | -0.405 |
| KZ3 | 0.341 | -0.015 | 0.354 | 0.150 | 0.558 | 0.564 |
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| 悬置元件编号 | KX | KY | KZ |
| 1 | 35 | 161 | 28 |
| 2 | 112 | 112 | 224 |
| 3 | 119 | 140 | 210 |
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优化后的悬置元件弹性主轴动刚度 N/mm
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| 悬置元件编号 | KX | KY | KZ |
| 1 | 35 | 161 | 28 |
| 2 | 112 | 112 | 224 |
| 3 | 119 | 140 | 210 |
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| 模态频率/Hz | 能量解耦百分比/% |
| UX | UY | UZ | RotX | RotY | RotZ |
| 6.85 | 97.84 | 0.58 | 0.00 | -0.03 | 1.05 | 0.56 |
| 8.23 | 0.85 | 90.16 | 0.26 | 0.95 | 0.01 | 7.76 |
| 9.23 | 0.01 | 0.44 | 95.28 | 4.15 | 0.09 | 0.02 |
| 10.94 | 0.08 | 0.27 | 4.43 | 92.53 | 2.01 | 0.68 |
| 16.78 | 0.98 | 0.00 | 0.00 | 2.19 | 96.86 | -0.03 |
| 13.32 | 0.23 | 8.56 | 0.03 | 0.20 | -0.02 | 91.00 |
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优化后的悬置系统模态频率与能量解耦
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| 模态频率/Hz | 能量解耦百分比/% |
| UX | UY | UZ | RotX | RotY | RotZ |
| 6.85 | 97.84 | 0.58 | 0.00 | -0.03 | 1.05 | 0.56 |
| 8.23 | 0.85 | 90.16 | 0.26 | 0.95 | 0.01 | 7.76 |
| 9.23 | 0.01 | 0.44 | 95.28 | 4.15 | 0.09 | 0.02 |
| 10.94 | 0.08 | 0.27 | 4.43 | 92.53 | 2.01 | 0.68 |
| 16.78 | 0.98 | 0.00 | 0.00 | 2.19 | 96.86 | -0.03 |
| 13.32 | 0.23 | 8.56 | 0.03 | 0.20 | -0.02 | 91.00 |
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| 刚度 | 模态频率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | 0.268 | 0.005 | -0.008 | -0.014 | 0.023 | 0.033 |
| KY1 | 0.007 | 0.621 | 0.022 | 0.822 | 0.020 | 0.074 |
| KZ1 | 0.013 | -0.002 | 0.043 | 0.162 | -0.002 | -0.003 |
| KX2 | 0.646 | 0.000 | -0.003 | 0.006 | 0.088 | -0.005 |
| KY2 | 0.023 | 0.775 | 0.029 | 0.450 | 0.003 | 0.204 |
| KZ2 | 0.049 | -0.004 | 0.775 | -0.007 | 0.689 | 0.000 |
| KX3 | 0.709 | 0.011 | 0.000 | 0.003 | 0.059 | -0.004 |
| KY3 | 0.000 | 0.055 | 0.037 | 0.286 | 0.022 | 0.976 |
| KZ3 | 0.039 | -0.003 | 0.623 | 0.095 | 0.712 | 0.013 |
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优化后悬置刚度与系统模态频率的相关系数矩阵
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| 刚度 | 模态频率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | 0.268 | 0.005 | -0.008 | -0.014 | 0.023 | 0.033 |
| KY1 | 0.007 | 0.621 | 0.022 | 0.822 | 0.020 | 0.074 |
| KZ1 | 0.013 | -0.002 | 0.043 | 0.162 | -0.002 | -0.003 |
| KX2 | 0.646 | 0.000 | -0.003 | 0.006 | 0.088 | -0.005 |
| KY2 | 0.023 | 0.775 | 0.029 | 0.450 | 0.003 | 0.204 |
| KZ2 | 0.049 | -0.004 | 0.775 | -0.007 | 0.689 | 0.000 |
| KX3 | 0.709 | 0.011 | 0.000 | 0.003 | 0.059 | -0.004 |
| KY3 | 0.000 | 0.055 | 0.037 | 0.286 | 0.022 | 0.976 |
| KZ3 | 0.039 | -0.003 | 0.623 | 0.095 | 0.712 | 0.013 |
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| 刚度 | 解耦率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | -0.274 | -0.046 | -0.011 | -0.012 | 0.087 | 0.000 |
| KY1 | 0.183 | 0.334 | 0.604 | 0.807 | -0.488 | 0.022 |
| KZ1 | -0.012 | -0.001 | -0.273 | -0.161 | 0.042 | -0.019 |
| KX2 | -0.402 | -0.066 | 0.018 | 0.028 | -0.160 | -0.007 |
| KY2 | 0.681 | 0.374 | 0.158 | 0.138 | -0.235 | 0.698 |
| KZ2 | 0.135 | 0.109 | -0.030 | -0.098 | 0.438 | 0.000 |
| KX3 | -0.426 | -0.077 | -0.004 | 0.011 | -0.134 | 0.013 |
| KY3 | -0.034 | -0.687 | 0.218 | -0.396 | -0.167 | -0.709 |
| KZ3 | 0.145 | 0.069 | -0.657 | -0.300 | 0.630 | -0.016 |
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优化后悬置刚度与解耦率的相关系数矩阵
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| 刚度 | 解耦率 |
| UX | UY | UZ | RotX | RotY | RotZ |
| KX1 | -0.274 | -0.046 | -0.011 | -0.012 | 0.087 | 0.000 |
| KY1 | 0.183 | 0.334 | 0.604 | 0.807 | -0.488 | 0.022 |
| KZ1 | -0.012 | -0.001 | -0.273 | -0.161 | 0.042 | -0.019 |
| KX2 | -0.402 | -0.066 | 0.018 | 0.028 | -0.160 | -0.007 |
| KY2 | 0.681 | 0.374 | 0.158 | 0.138 | -0.235 | 0.698 |
| KZ2 | 0.135 | 0.109 | -0.030 | -0.098 | 0.438 | 0.000 |
| KX3 | -0.426 | -0.077 | -0.004 | 0.011 | -0.134 | 0.013 |
| KY3 | -0.034 | -0.687 | 0.218 | -0.396 | -0.167 | -0.709 |
| KZ3 | 0.145 | 0.069 | -0.657 | -0.300 | 0.630 | -0.016 |
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| 自由度 | 状态 | 平均值 /Hz | 标准差 /Hz | 最小值 /Hz | 最大值 /Hz | 偏度 | 峰度 |
| UX | 原状态 | 9.47 | 0.160 7 | 9.14 | 10.69 | 4.319 0 | -20 859 |
| 优化1 | 6.85 | 0.077 1 | 6.56 | 7.13 | -0.018 5 | -2 278 |
| 优化2 | 6.85 | 0.077 2 | 6.5 | 7.18 | -0.024 8 | -2 287 |
| 优化3 | 6.85 | 0.051 4 | 6.64 | 7.04 | -0.024 9 | -2 250 |
| UY | 原状态 | 10.48 | 0.094 6 | 9.25 | 10.82 | -0.225 2 | -4 364 |
| 优化1 | 8.23 | 0.109 7 | 7.79 | 8.62 | -0.040 4 | -2 216 |
| 优化2 | 8.24 | 0.073 6 | 7.97 | 8.53 | -0.018 3 | -2 234 |
| 优化3 | 8.24 | 0.073 7 | 7.95 | 8.52 | -0.013 1 | -2 263 |
| UZ | 原状态 | 9.79 | 0.115 5 | 9.26 | 10.27 | -0.475 4 | -3 037 |
| 优化1 | 9.22 | 0.118 0 | 8.66 | 9.68 | -0.077 1 | -2 311 |
| 优化2 | 9.22 | 0.104 5 | 8.83 | 9.61 | -0.090 4 | -2 282 |
| 优化3 | 9.22 | 0.079 4 | 8.87 | 9.52 | -0.043 8 | -2 313 |
| RotX | 原状态 | 14.06 | 0.147 5 | 13.49 | 14.59 | -0.047 6 | -2 324 |
| 优化1 | 10.93 | 0.118 5 | 10.5 | 11.37 | -0.023 1 | -2 233 |
| 优化2 | 10.93 | 0.081 5 | 10.64 | 11.25 | -0.017 5 | -2 275 |
| 优化3 | 10.93 | 0.079 8 | 10.6 | 11.23 | 0.009 0 | -2 280 |
| RotY | 原状态 | 19.10 | 0.179 4 | 18.33 | 19.78 | -0.035 6 | -2 242 |
| 优化1 | 16.78 | 0.201 8 | 15.82 | 17.62 | -0.062 3 | -2 305 |
| 优化2 | 16.78 | 0.171 4 | 16.17 | 17.43 | -0.028 7 | -2 267 |
| 优化3 | 16.78 | 0.136 0 | 16.15 | 17.29 | -0.034 8 | -2 310 |
| RotZ | 原状态 | 15.83 | 0.168 1 | 15.2 | 16.55 | 0.040 5 | -2 294 |
| 优化1 | 13.32 | 0.203 7 | 12.51 | 14.18 | 0.016 9 | -2 263 |
| 优化2 | 13.32 | 0.136 3 | 12.79 | 13.87 | 0.010 3 | -2 264 |
| 优化3 | 13.32 | 0.136 0 | 12.85 | 13.87 | -0.002 5 | -2 254 |
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悬置系统各自由度模态频率的概率分布统计
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| 自由度 | 状态 | 平均值 /Hz | 标准差 /Hz | 最小值 /Hz | 最大值 /Hz | 偏度 | 峰度 |
| UX | 原状态 | 9.47 | 0.160 7 | 9.14 | 10.69 | 4.319 0 | -20 859 |
| 优化1 | 6.85 | 0.077 1 | 6.56 | 7.13 | -0.018 5 | -2 278 |
| 优化2 | 6.85 | 0.077 2 | 6.5 | 7.18 | -0.024 8 | -2 287 |
| 优化3 | 6.85 | 0.051 4 | 6.64 | 7.04 | -0.024 9 | -2 250 |
| UY | 原状态 | 10.48 | 0.094 6 | 9.25 | 10.82 | -0.225 2 | -4 364 |
| 优化1 | 8.23 | 0.109 7 | 7.79 | 8.62 | -0.040 4 | -2 216 |
| 优化2 | 8.24 | 0.073 6 | 7.97 | 8.53 | -0.018 3 | -2 234 |
| 优化3 | 8.24 | 0.073 7 | 7.95 | 8.52 | -0.013 1 | -2 263 |
| UZ | 原状态 | 9.79 | 0.115 5 | 9.26 | 10.27 | -0.475 4 | -3 037 |
| 优化1 | 9.22 | 0.118 0 | 8.66 | 9.68 | -0.077 1 | -2 311 |
| 优化2 | 9.22 | 0.104 5 | 8.83 | 9.61 | -0.090 4 | -2 282 |
| 优化3 | 9.22 | 0.079 4 | 8.87 | 9.52 | -0.043 8 | -2 313 |
| RotX | 原状态 | 14.06 | 0.147 5 | 13.49 | 14.59 | -0.047 6 | -2 324 |
| 优化1 | 10.93 | 0.118 5 | 10.5 | 11.37 | -0.023 1 | -2 233 |
| 优化2 | 10.93 | 0.081 5 | 10.64 | 11.25 | -0.017 5 | -2 275 |
| 优化3 | 10.93 | 0.079 8 | 10.6 | 11.23 | 0.009 0 | -2 280 |
| RotY | 原状态 | 19.10 | 0.179 4 | 18.33 | 19.78 | -0.035 6 | -2 242 |
| 优化1 | 16.78 | 0.201 8 | 15.82 | 17.62 | -0.062 3 | -2 305 |
| 优化2 | 16.78 | 0.171 4 | 16.17 | 17.43 | -0.028 7 | -2 267 |
| 优化3 | 16.78 | 0.136 0 | 16.15 | 17.29 | -0.034 8 | -2 310 |
| RotZ | 原状态 | 15.83 | 0.168 1 | 15.2 | 16.55 | 0.040 5 | -2 294 |
| 优化1 | 13.32 | 0.203 7 | 12.51 | 14.18 | 0.016 9 | -2 263 |
| 优化2 | 13.32 | 0.136 3 | 12.79 | 13.87 | 0.010 3 | -2 264 |
| 优化3 | 13.32 | 0.136 0 | 12.85 | 13.87 | -0.002 5 | -2 254 |
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| 自由度 | 状态 | 平均值 /% | 标准差 /% | 最小值 /% | 最大值 /% | 偏度 | 峰度 |
| UX | 原状态 | 57.14 | 8.590 0 | 31.37 | 78.90 | -0.475 7 | -2 208 |
| 优化1 | 97.78 | 0.315 0 | 95.77 | 98.60 | -0.873 9 | -3 434 |
| 优化2 | 97.8 | 0.255 4 | 96.48 | 98.63 | -0.641 6 | -2 915 |
| 优化3 | 97.82 | 0.199 8 | 96.73 | 98.37 | -0.532 9 | -2 722 |
| UY | 原状态 | 71.29 | 6.863 0 | 46.15 | 89.88 | -0.287 5 | -2 156 |
| 优化1 | 89.91 | 0.703 6 | 83.64 | 92.56 | -0.281 0 | -3 216 |
| 优化2 | 90.04 | 0.440 9 | 88.24 | 91.68 | -0.059 0 | -2 397 |
| 优化3 | 90.05 | 0.431 4 | 87.85 | 91.76 | -0.103 5 | -2 514 |
| UZ | 原状态 | 80.19 | 9.794 0 | 46.13 | 92.88 | -1.463 0 | -3 428 |
| 优化1 | 95.08 | 0.988 0 | 89.92 | 97.72 | -0.660 7 | -2 847 |
| 优化2 | 95.17 | 0.679 5 | 91.78 | 97.31 | -0.489 9 | -2 681 |
| 优化3 | 95.19 | 0.645 4 | 91.80 | 97.20 | -0.402 5 | -2 437 |
| RotX | 原状态 | 92.01 | 0.775 2 | 86.92 | 93.68 | -1.092 0 | -3 588 |
| 优化1 | 92.21 | 1.496 0 | 84.93 | 95.76 | -0.585 8 | -2 572 |
| 优化2 | 92.39 | 1.016 0 | 87.81 | 95.22 | -0.416 3 | -2 408 |
| 优化3 | 92.39 | 0.991 9 | 87.74 | 95.17 | -0.428 5 | -2 503 |
| RotY | 原状态 | 75.96 | 2.859 0 | 62.15 | 84.79 | -0.322 3 | -2 383 |
| 优化1 | 96.79 | 0.281 1 | 95.38 | 97.66 | -0.349 9 | -2 531 |
| 优化2 | 96.82 | 0.212 0 | 95.78 | 97.61 | -0.298 4 | -2 446 |
| 优化3 | 96.83 | 0.184 5 | 95.99 | 97.44 | -0.230 8 | -2 347 |
| RotZ | 原状态 | 70.31 | 2.577 0 | 57.76 | 78.63 | -0.366 3 | -2 483 |
| 优化1 | 90.92 | 1.581 0 | 84.42 | 95.72 | -0.186 8 | -2 192 |
| 优化2 | 90.97 | 1.075 0 | 86.65 | 94.99 | -0.122 5 | -2 229 |
| 优化3 | 90.97 | 1.082 0 | 86.71 | 94.81 | -0.180 1 | -2 276 |
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悬置系统各自由度解耦率的概率分布统计
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| 自由度 | 状态 | 平均值 /% | 标准差 /% | 最小值 /% | 最大值 /% | 偏度 | 峰度 |
| UX | 原状态 | 57.14 | 8.590 0 | 31.37 | 78.90 | -0.475 7 | -2 208 |
| 优化1 | 97.78 | 0.315 0 | 95.77 | 98.60 | -0.873 9 | -3 434 |
| 优化2 | 97.8 | 0.255 4 | 96.48 | 98.63 | -0.641 6 | -2 915 |
| 优化3 | 97.82 | 0.199 8 | 96.73 | 98.37 | -0.532 9 | -2 722 |
| UY | 原状态 | 71.29 | 6.863 0 | 46.15 | 89.88 | -0.287 5 | -2 156 |
| 优化1 | 89.91 | 0.703 6 | 83.64 | 92.56 | -0.281 0 | -3 216 |
| 优化2 | 90.04 | 0.440 9 | 88.24 | 91.68 | -0.059 0 | -2 397 |
| 优化3 | 90.05 | 0.431 4 | 87.85 | 91.76 | -0.103 5 | -2 514 |
| UZ | 原状态 | 80.19 | 9.794 0 | 46.13 | 92.88 | -1.463 0 | -3 428 |
| 优化1 | 95.08 | 0.988 0 | 89.92 | 97.72 | -0.660 7 | -2 847 |
| 优化2 | 95.17 | 0.679 5 | 91.78 | 97.31 | -0.489 9 | -2 681 |
| 优化3 | 95.19 | 0.645 4 | 91.80 | 97.20 | -0.402 5 | -2 437 |
| RotX | 原状态 | 92.01 | 0.775 2 | 86.92 | 93.68 | -1.092 0 | -3 588 |
| 优化1 | 92.21 | 1.496 0 | 84.93 | 95.76 | -0.585 8 | -2 572 |
| 优化2 | 92.39 | 1.016 0 | 87.81 | 95.22 | -0.416 3 | -2 408 |
| 优化3 | 92.39 | 0.991 9 | 87.74 | 95.17 | -0.428 5 | -2 503 |
| RotY | 原状态 | 75.96 | 2.859 0 | 62.15 | 84.79 | -0.322 3 | -2 383 |
| 优化1 | 96.79 | 0.281 1 | 95.38 | 97.66 | -0.349 9 | -2 531 |
| 优化2 | 96.82 | 0.212 0 | 95.78 | 97.61 | -0.298 4 | -2 446 |
| 优化3 | 96.83 | 0.184 5 | 95.99 | 97.44 | -0.230 8 | -2 347 |
| RotZ | 原状态 | 70.31 | 2.577 0 | 57.76 | 78.63 | -0.366 3 | -2 483 |
| 优化1 | 90.92 | 1.581 0 | 84.42 | 95.72 | -0.186 8 | -2 192 |
| 优化2 | 90.97 | 1.075 0 | 86.65 | 94.99 | -0.122 5 | -2 229 |
| 优化3 | 90.97 | 1.082 0 | 86.71 | 94.81 | -0.180 1 | -2 276 |
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