Article(id=1209871063517893628, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1209871062716781562, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20230506, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766385339859, onlineDateStr=2025-12-22, pubDate=1727107200000, pubDateStr=2024-09-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766385339859, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766385339859, creator=13701087609, updateTime=1766385339859, updator=13701087609, issue=Issue{id=1209871062716781562, tenantId=1146029695717560320, journalId=1189621681917173762, year='2024', 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=1766385339669, creator=13701087609, updateTime=1766392185924, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1209899778067010242, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1209871062716781562, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1209899778067010243, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1209871062716781562, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=57, endPage=62, ext={EN=ArticleExt(id=1209871063761163263, articleId=1209871063517893628, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=Uncertainty Optimization of Automotive Acoustic Package Parts Based on Interval Analysis, columnId=null, journalTitle=Automobile Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problem of the robustness of the performance of automotive acoustic package parts in mass production, an uncertainty optimization method based on interval analysis is proposed. The BIOT theory and the transfer matrix method are used to simulate the sound absorption and insulation performance of the acoustic package parts, the Interval perturbation theory is used to analyze the uncertainty of acoustic performance, and the interval uncertainty optimization method is introduced to optimize the material selection and structural design parameters of the parts. The results show that the method is used to analyze and design the inner front wall parts of a certain model, the quality of the parts decreases by 12.8%, and the robustness of the system is greatly improved, and the maximum fluctuation of insertion loss decreases from 8 dB before optimization to 5 dB after optimization.
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为解决汽车声学包零件大批量生产时零件性能稳健性的问题,提出了一种基于区间分析的不确定性优化方法。该方法采用比奥(BIOT)理论和传递矩阵方法对声学包零件的吸隔声性能进行仿真,采用区间摄动理论对零件声学性能的不确定性进行分析,引入区间不确定性优化方法对零件的材料选择与结构设计参数进行优化设计。应用该方法对某车型内前围零件进行了分析与设计,结果表明,零件质量下降12.8%,同时系统的稳健性大幅度提升,插入损失最大波动由8 dB下降至5 dB。
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41(2): 20-23., articleTitle=机构位置误差分析的传递矩阵法, refAbstract=null), Reference(id=1209899467424264546, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871063517893628, doi=null, pmid=null, pmcid=null, year=2005, volume=41, issue=2, pageStart=20, pageEnd=23, url=null, language=null, rfNumber=[11], rfOrder=18, authorNames=YANG Y H, HONG Z Y, ZHANG C, journalName=Chinese Journal of Mechanical Engineering, refType=null, unstructuredReference=
YANG Y H,
HONG Z Y,
ZHANG C. Transferring Matrix Method for Precision Analysis of Mechanism[J].
Chinese Journal of Mechanical Engineering,
2005,
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1 柳州工学院,柳州市测控智能化研究重点实验室,柳州 545616)]), AuthorCompany(id=1209899461292191904, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871063517893628, xref=2, ext=[AuthorCompanyExt(id=1209899461296386209, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871063517893628, companyId=1209899461292191904, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 材料名称 | 参数名称 | 中心值 | 区间半径 |
| EVA材料 | 厚度/mm | 2 | |
| 密度/kg·m-3 | 1 400 | 140 |
| PU发泡材料 | 厚度/mm | 20 | |
| 密度/kg·m-3 | 22 | 2.2 |
| 泊松比 | 0.4 | 0.04 |
| 弹性模量/Pa | 46 500 | 4 650 |
| 流阻/N·m·s-4 | 5 000 | 500 |
| 孔隙率 | 0.96 | 0.096 |
| 曲折因子 | 1.24 | 0.124 |
| 粘性特征长度/m | 0.000 105 | 0.000 010 5 |
| 热特征长度/m | 0.000 34 | 0.000 034 |
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内前围材料参数
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| 材料名称 | 参数名称 | 中心值 | 区间半径 |
| EVA材料 | 厚度/mm | 2 | |
| 密度/kg·m-3 | 1 400 | 140 |
| PU发泡材料 | 厚度/mm | 20 | |
| 密度/kg·m-3 | 22 | 2.2 |
| 泊松比 | 0.4 | 0.04 |
| 弹性模量/Pa | 46 500 | 4 650 |
| 流阻/N·m·s-4 | 5 000 | 500 |
| 孔隙率 | 0.96 | 0.096 |
| 曲折因子 | 1.24 | 0.124 |
| 粘性特征长度/m | 0.000 105 | 0.000 010 5 |
| 热特征长度/m | 0.000 34 | 0.000 034 |
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| 材料名称 | 参数名称 | 最小值 | 最大值 |
| EVA材料 | 厚度/mm | 1.5 | 2.5 |
| 密度/kg·m-3 | 1 000 | 1 800 |
| PU发泡材料 | 厚度/mm | 15 | 22 |
| 密度/kg·m-3 | 10 | 24 |
| 流阻/N·m·s-4 | 4 000 | 6 000 |
| 孔隙率 | 0.9 | 0.099 |
| 曲折因子 | 1.1 | 1.3 |
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内前围优化模型设计变量
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| 材料名称 | 参数名称 | 最小值 | 最大值 |
| EVA材料 | 厚度/mm | 1.5 | 2.5 |
| 密度/kg·m-3 | 1 000 | 1 800 |
| PU发泡材料 | 厚度/mm | 15 | 22 |
| 密度/kg·m-3 | 10 | 24 |
| 流阻/N·m·s-4 | 4 000 | 6 000 |
| 孔隙率 | 0.9 | 0.099 |
| 曲折因子 | 1.1 | 1.3 |
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| 材料名称 | 参数名称 | 优化前 | 优化后 |
| EVA材料 | 厚度/mm | 2 | 1.8 |
| 密度/kg·m-3 | 1 400 | 1 350 |
| PU发泡材料 | 厚度/mm | 20 | 22 |
| 密度/kg·m-3 | 22 | 18 |
| 流阻/N·m·s-4 | 5 000 | 6 418 |
| 孔隙率 | 0.96 | 0.98 |
| 曲折因子 | 1.24 | 1.11 |
| 零件总面密度/kg·m-2 | 3.24 | 2.826 |
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优化前后设计变量和质量变化
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| 材料名称 | 参数名称 | 优化前 | 优化后 |
| EVA材料 | 厚度/mm | 2 | 1.8 |
| 密度/kg·m-3 | 1 400 | 1 350 |
| PU发泡材料 | 厚度/mm | 20 | 22 |
| 密度/kg·m-3 | 22 | 18 |
| 流阻/N·m·s-4 | 5 000 | 6 418 |
| 孔隙率 | 0.96 | 0.98 |
| 曲折因子 | 1.24 | 1.11 |
| 零件总面密度/kg·m-2 | 3.24 | 2.826 |
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