Article(id=1214559326312779929, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214559322579849322, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20220280, 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=1767503108814, onlineDateStr=2026-01-04, pubDate=1680624000000, pubDateStr=2023-04-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1767503108814, onlineIssueDateStr=2026-01-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1767503108814, creator=13701087609, updateTime=1767503108814, updator=13701087609, issue=Issue{id=1214559322579849322, tenantId=1146029695717560320, journalId=1189645257101713411, 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=1767503107924, creator=13701087609, updateTime=1767503515552, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1214561032366899362, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214559322579849322, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1214561032366899363, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214559322579849322, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=7, endPage=11, ext={EN=ArticleExt(id=1214559326606381225, articleId=1214559326312779929, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Research on Audio Modification and Sound Effect Improvement of Passenger Car Based on Finite Element Analysis, columnId=1214559323246743660, journalTitle=Automotive Digest, columnName=Special Topic for Selected Papers of China FAW 2022, runingTitle=null, highlight=null, articleAbstract=
In order to improve the sound quality of vehicle, a new sound system suitable for passenger car is proposed. Based on the finite element analysis theory, the car door panel model is established, and the calculated natural frequency and mode shape of the door panel are utilized as an important input for the improvement of sound system. In order to reduce the influences of mode on sound level, the measures to improve the mode resonance frequency are put forward. Based on the expected level of cockpit space and psychological perception, a 23-speaker system improvement scheme is developed. Finally, the target car prototype after modification is evaluated through subjective evaluation and objective test. Through the comparison of competing cars, the results verify that the above method can significantly improve the sound level of passenger cars, and provide a reference for the improvement of passenger car audio system.
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为提升车辆的音效水平,提出了一种适用于乘用车的新音响系统。基于有限元分析理论建立车辆门板件模型,计算出的车门板件固有频率和模态振型结果作为音响系统改进的重要输入。为了降低模态对音效水平的影响,提出了改进模态共振频率的措施。基于整车座舱空间和心理感知期望水平,制定了23个扬声器的系统改进方案。最后,通过主观评测和客观测试对改装后的目标车型进行评价。通过对比竞品车辆,结果验证了上述方法可显著提升乘用车音效水平,为乘用车音响系统改进提供了参考。
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曾桂华(1987-),男,硕士。就职于一汽研发总院智能网联开发院,主要研究方向为智能座舱音响系统设计与开发。
郝欣言(1995-),男,硕士。就职于一汽研发总院智能网联开发院,主要研究方向为智能座舱音响系统设计与开发。
张洁(1992-),男,硕士。就职于科大讯飞股份有限公司智能汽车事业部,主要研究方向为智能座舱音效功能设计与开发。
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郑红丽(1984-),女,硕士。就职于一汽研发总院智能网联开发院,研究方向为智能座舱设计开发。E-mail:zhenghongli@faw.com.cn;
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郑红丽(1984-),女,硕士。就职于一汽研发总院智能网联开发院,研究方向为智能座舱设计开发。E-mail:zhenghongli@faw.com.cn;
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河南省汽车工程学会第六届科研学术研讨会论文集,
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汽车实用技术,
2015(7): 64-66+73., articleTitle=汽车整车音效设计及评价方法, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1214589546205986830, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, xref=1, ext=[AuthorCompanyExt(id=1214589546218569742, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, companyId=1214589546205986830, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Global R&D Center, China FAW Corporation Limited, Changchun 130013), AuthorCompanyExt(id=1214589546222764047, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, companyId=1214589546205986830, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中国第一汽车股份有限公司研发总院, 长春 130013)]), AuthorCompany(id=1214589546306650131, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, xref=2, ext=[AuthorCompanyExt(id=1214589546319233045, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, companyId=1214589546306650131, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 IFLYTEK Co., Ltd., Hefei 230088), AuthorCompanyExt(id=1214589546323427350, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, companyId=1214589546306650131, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 科大讯飞股份有限公司, 合肥 230088)])], figs=[ArticleFig(id=1214589549519487103, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, language=EN, label=null, caption=null, figureFileSmall=E2ar+nViUXILSmgttf478A==, figureFileBig=vXvjyaD+kaCpfhwOqJB+/g==, tableContent=null), ArticleFig(id=1214589549590790274, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214559326312779929, language=CN, label=图1, caption=
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| 序号 | 扬声器 | 数量/个 | 备注 |
| 1 | 车门高音扬声器 | 4 | 原车升级与加强 |
| 2 | 车门低音扬声器 | 4 |
| 3 | 中置中音扬声器 | 1 |
| 5 | 行李箱重低音扬声器 | 1 |
| 6 | 后环绕中音扬声器 | 2 |
| 7 | 中置高音扬声器 | 1 | 原车增加扬声器 |
| 8 | 车门中音扬声器 | 4 |
| 9 | 天空3D高音扬声器 | 4 |
| 10 | 后环绕高音扬声器 | 2 |
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目标车辆23个扬声器布置
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| 序号 | 扬声器 | 数量/个 | 备注 |
| 1 | 车门高音扬声器 | 4 | 原车升级与加强 |
| 2 | 车门低音扬声器 | 4 |
| 3 | 中置中音扬声器 | 1 |
| 5 | 行李箱重低音扬声器 | 1 |
| 6 | 后环绕中音扬声器 | 2 |
| 7 | 中置高音扬声器 | 1 | 原车增加扬声器 |
| 8 | 车门中音扬声器 | 4 |
| 9 | 天空3D高音扬声器 | 4 |
| 10 | 后环绕高音扬声器 | 2 |
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| 模态 | 频率/Hz | 改装前振动 加速度/g | 改装后振动加速度/g | 衰减率/% |
| 1阶 | 48.0 | 0.034 | 0.030 | -11.76 |
| 2阶 | 53.2 | 0.167 | 0.115 | -31.20 |
| 3阶 | 57.9 | 0.099 | 0.091 | -8.35 |
| 4阶 | 64.9 | 0.066 | 0.068 | 2.32 |
| 5阶 | 68.4 | 0.131 | 0.092 | -29.43 |
| 6阶 | 70.1 | 0.249 | 0.201 | -19.30 |
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改装前后车门板前6阶振动衰减对比
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| 模态 | 频率/Hz | 改装前振动 加速度/g | 改装后振动加速度/g | 衰减率/% |
| 1阶 | 48.0 | 0.034 | 0.030 | -11.76 |
| 2阶 | 53.2 | 0.167 | 0.115 | -31.20 |
| 3阶 | 57.9 | 0.099 | 0.091 | -8.35 |
| 4阶 | 64.9 | 0.066 | 0.068 | 2.32 |
| 5阶 | 68.4 | 0.131 | 0.092 | -29.43 |
| 6阶 | 70.1 | 0.249 | 0.201 | -19.30 |
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| 评价维度 | 评价项目 | 分数/分 |
噪声 (最大音量输入) | 异响 | 5 |
| 失真 | 5 |
| 噪声 | 5 |
| 真实度 | 线性度(max vol) | 4 |
| 动态/冲击力 | 5 |
| 空间感 | 5 |
| 真实/可信度 | 5 |
| 音准平衡 | 低频 | 8 |
| 中低频 | 8 |
| 中频 | 8 |
| 高频 | 8 |
| 舞台感 | 宽度 | 6 |
| 深度 | 6 |
| 高度 | 6 |
| 聚焦/稳定性 | 中 | 4 |
| 左 | 3 |
| 右 | 3 |
| 左中 | 3 |
| 右中 | 3 |
| 总分 | | 100 |
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主观评价维度与子项评价标准
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| 评价维度 | 评价项目 | 分数/分 |
噪声 (最大音量输入) | 异响 | 5 |
| 失真 | 5 |
| 噪声 | 5 |
| 真实度 | 线性度(max vol) | 4 |
| 动态/冲击力 | 5 |
| 空间感 | 5 |
| 真实/可信度 | 5 |
| 音准平衡 | 低频 | 8 |
| 中低频 | 8 |
| 中频 | 8 |
| 高频 | 8 |
| 舞台感 | 宽度 | 6 |
| 深度 | 6 |
| 高度 | 6 |
| 聚焦/稳定性 | 中 | 4 |
| 左 | 3 |
| 右 | 3 |
| 左中 | 3 |
| 右中 | 3 |
| 总分 | | 100 |
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| 样车编号 | 扬声器数量/个 | 车辆指导价/万元 |
| 1 | 19 | 125 |
| 2 | 34 | 45 |
| 3 | 31 | 400 |
| 4 | 23 | 118 |
| 5 | 23 | 120 |
| 6 | 20 | 110 |
| 7 | 23 | |
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竞品与目标车辆扬声器配置数量
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| 样车编号 | 扬声器数量/个 | 车辆指导价/万元 |
| 1 | 19 | 125 |
| 2 | 34 | 45 |
| 3 | 31 | 400 |
| 4 | 23 | 118 |
| 5 | 23 | 120 |
| 6 | 20 | 110 |
| 7 | 23 | |
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