Article(id=1149742006701830975, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149741999626043609, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2024.06.018, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1706630400000, receivedDateStr=2024-01-31, revisedDate=1715097600000, revisedDateStr=2024-05-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1752049455570, onlineDateStr=2025-07-09, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752049455570, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752049455570, creator=13701087609, updateTime=1752049455570, updator=13701087609, issue=Issue{id=1149741999626043609, tenantId=1146029695717560320, journalId=1146123302524792850, year='2024', volume='37', issue='6', pageStart='1', pageEnd='148', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752049453884, creator=13701087609, updateTime=1753780113622, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157000912746139776, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149741999626043609, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157000912746139777, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149741999626043609, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=130, endPage=135, ext={EN=ArticleExt(id=1149742006932517696, articleId=1149742006701830975, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Modal Analysis of Subway Bogie Frame Based on Environmental Excitation, columnId=1152669334582243706, journalTitle=Urban Rapid Rail Transit, columnName=Electrical and Mechanical Engineering, runingTitle=null, highlight=null, articleAbstract=
Rail vehicles may experience abnormal vibrations, noise, and structural fatigue failure because of the unreasonable modal mismatch between an entire vehicle, equipment, and bogie. To investigate the modal parameters of bogies, experimental and simulation analyses were conducted. Initially, a modal identification method was employed, utilizing the running state environment as excitation. The crosscorrelation function of the structure's vibration response signal output was used to replace the frequency response function, in conjunction with the PolyMax modal identification method, to effectively identify modes that are easily excited during the structure's operation. Next, the effects of wheel turning and variations in vehicle load on the operating modes of the structure were examined to gain a comprehensive understanding of the bogie structure's modal parameters. Finally, a finite element simulation method was used to calculate the modal frequencies of the bogie structure in the free and constrained states. The results showed that wheel turning had little effect on the modal parameters of the structure. However, with increasing load, the modal frequencies at all orders generally increased. This was related to the increase in the air spring stiffness of the bogie owing to the increased vehicle load, even if the boundary constraint state of the structure changed. By comparing the test results with the simulation analysis results of the bogie structure in the free and constrained states, it was concluded that it is necessary to simulate the actual boundary constraint conditions as much as possible to ensure the accuracy of the finite element model. These findings can provide a reference for subsequent studies on modal mistuning designs.
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针对整车与设备和转向架的模态不合理匹配,轨道车辆可能出现异常振动和噪声,甚至发生结构疲劳失效等问题,对转向架模态参数进行试验与仿真分析研究。首先,采用车辆在运行状态环境激励下模态识别方法,通过构架输出振动响应信号的互相关函数替换频响函数,再结合模态识别 PolyMax方法,有效辨识出构架在运行状态下易被激发出的模态。然后,探究转向架车轮进行镟修或车辆载重发生变化时对构架运行模态产生的影响,以便于全面掌握转向架构架的模态参数。最后,采用有限元仿真方法计算转向架构架在自由状态和约束状态下的模态频率。研究结果表明:镟轮前后基本不影响构架的模态参数,但随着载重增大,各阶模态频率普遍升高,这与车辆载重增大使转向架空气弹簧刚度变大,即使构架的边界约束状态发生改变有关;对比自由状态和约束状态下的转向架构架的仿真分析结果可知,不同约束条件下,有限元模态计算结果存在较大的差异,为保证有限元模型的准确性,应尽可能模拟实际的边界条件约束状态。研究成果以期为模态错频设计提供参考。
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1 宁波市轨道交通集团有限公司 智慧运营分公司 浙江宁波 315000)]), AuthorCompany(id=1153991628390912502, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, xref=2, ext=[AuthorCompanyExt(id=1153991628399301111, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, companyId=1153991628390912502, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 中车株洲电力机车有限公司 湖南株洲 412000)])], figs=[ArticleFig(id=1153991633289859637, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Figure 1, caption=
Schematic diagram of bogie frame modal test point locations, figureFileSmall=0FDKLvRU9Qgq/dk5HgAssQ==, figureFileBig=9gkcbroamj+MMIVN+UClRg==, tableContent=null), ArticleFig(id=1153991633365357110, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=图 1, caption=
构架模态试验测点位置示意, figureFileSmall=0FDKLvRU9Qgq/dk5HgAssQ==, figureFileBig=9gkcbroamj+MMIVN+UClRg==, tableContent=null), ArticleFig(id=1153991633428271670, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Figure 2, caption=
Schematic diagram of on-site layout of bogie frame modal test point locations, figureFileSmall=qQK46gEL4t4bOcDq6YQGrw==, figureFileBig=m6syymd262vkvHbofXEoxg==, tableContent=null), ArticleFig(id=1153991633474409015, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=图 2, caption=
构架模态试验测点位置现场布置, figureFileSmall=qQK46gEL4t4bOcDq6YQGrw==, figureFileBig=m6syymd262vkvHbofXEoxg==, tableContent=null), ArticleFig(id=1153991633575072312, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Figure 3, caption=
Vibration spectrum of end point measurements on the bogie frame under different test conditions, figureFileSmall=6Fyi7V6aNq/xwRj2xcsCBA==, figureFileBig=gEsJhVyV8KY0ucxEoLjTeg==, tableContent=null), ArticleFig(id=1153991633646375481, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=图 3, caption=
不同测试工况下转向架构架端部测点振动频谱, figureFileSmall=6Fyi7V6aNq/xwRj2xcsCBA==, figureFileBig=gEsJhVyV8KY0ucxEoLjTeg==, tableContent=null), ArticleFig(id=1153991633726067258, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Figure 4, caption=
Modal vibration mode diagram of the bogie frame under aw0 reamed wheel condition before, figureFileSmall=wR4JeSvvYF6oZLqgasMCFA==, figureFileBig=yWrwcKZlvIzcbkAIXNj6yQ==, tableContent=null), ArticleFig(id=1153991633788981819, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=图 4, caption=
AW0 镟轮前转向架构架模态振型, figureFileSmall=wR4JeSvvYF6oZLqgasMCFA==, figureFileBig=yWrwcKZlvIzcbkAIXNj6yQ==, tableContent=null), ArticleFig(id=1153991633898033724, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Figure 5, caption=
Finite element model of bogie frame, figureFileSmall=gtk4JrRhToDs6uXS4KYfxg==, figureFileBig=fOPMI1c7G5LFjKJctlNzZA==, tableContent=null), ArticleFig(id=1153991633952559678, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=图 5, caption=
转向架构架有限元模型, figureFileSmall=gtk4JrRhToDs6uXS4KYfxg==, figureFileBig=fOPMI1c7G5LFjKJctlNzZA==, tableContent=null), ArticleFig(id=1153991634028057151, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Figure 6, caption=
Modal shape diagram of bogie frame readiness, figureFileSmall=pPTXLb/1GZR9+JVlYcWKyw==, figureFileBig=h3Zf0qD1HTnpMABQGlVsig==, tableContent=null), ArticleFig(id=1153991634086777408, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=图 6, caption=
转向架构架整备状态模态振型, figureFileSmall=pPTXLb/1GZR9+JVlYcWKyw==, figureFileBig=h3Zf0qD1HTnpMABQGlVsig==, tableContent=null), ArticleFig(id=1153991634200023617, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Table 1, caption=
Modal statistics of the bogie frame under different test conditions Hz, figureFileSmall=null, figureFileBig=null, tableContent=
| 振型描述 | AW0 锭轮前 | AW0 锭轮后 | AW3 锁轮前 | AW3 锭轮后 |
| 构架扭转 | 43.829 | 44.369 | 46.158 | 45.257 |
| 侧梁横向弯曲 | 79.269 | 79.781 | 81.124 | 82.017 |
| 横梁垂向弯曲 | 80.579 | 82.014 | 83.157 | 81.278 |
| 侧梁水平面八字变形 | 93.667 | 92.357 | 95.458 | 94.285 |
), ArticleFig(id=1153991634262938178, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=表 1, caption=
不同测试工况下构架工作模态统计, figureFileSmall=null, figureFileBig=null, tableContent=
| 振型描述 | AW0 锭轮前 | AW0 锭轮后 | AW3 锁轮前 | AW3 锭轮后 |
| 构架扭转 | 43.829 | 44.369 | 46.158 | 45.257 |
| 侧梁横向弯曲 | 79.269 | 79.781 | 81.124 | 82.017 |
| 横梁垂向弯曲 | 80.579 | 82.014 | 83.157 | 81.278 |
| 侧梁水平面八字变形 | 93.667 | 92.357 | 95.458 | 94.285 |
), ArticleFig(id=1153991634342629955, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Table 2, caption=
Modal frequencies of the bogie frame under readiness and free state, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶数 | 整备状态下 模态频率/Hz | 自由状态下 模态频率/Hz | 振型描述 |
| 1 | 48.98 | 36.92 | 构架扭转 |
| 2 | 82.80 | 64.44 | 横梁垂向弯曲 |
| 3 | 84.17 | 64.97 | 侧梁横向弯曲 |
| 4 | 102.57 | 76.69 | 侧梁水平面八字变形 |
), ArticleFig(id=1153991634405544516, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=表 2, caption=
转向架构架整备状态与自由状态模态频率, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶数 | 整备状态下 模态频率/Hz | 自由状态下 模态频率/Hz | 振型描述 |
| 1 | 48.98 | 36.92 | 构架扭转 |
| 2 | 82.80 | 64.44 | 横梁垂向弯曲 |
| 3 | 84.17 | 64.97 | 侧梁横向弯曲 |
| 4 | 102.57 | 76.69 | 侧梁水平面八字变形 |
), ArticleFig(id=1153991634502013509, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=EN, label=Table 3, caption=
Modal statistics of the bogie frame under different test conditions and finite element calculation $\mathrm{{Hz}}$, figureFileSmall=null, figureFileBig=null, tableContent=
| 振型描述 | AW0 镜轮前 | AW0 镜轮后 | AW3 锁轮前 | AW3 锁轮后 | 整备 状态 | 自由 状态 |
| 构架扭转 | 43.829 | 44.369 | 46.158 | 45.257 | 48.98 | 36.92 |
| 侧梁横向弯曲 | 79.269 | 79.781 | 81.124 | 82.017 | 84.17 | 64.44 |
| 横梁垂向弯曲 | 80.579 | 82.014 | 83.157 | 81.278 | 82.80 | 64.97 |
| 侧梁水平面 八字变形 | 93.667 | 92.357 | 95.458 | 94.285 | 102.57 | 76.69 |
), ArticleFig(id=1153991634560733766, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742006701830975, language=CN, label=表 3, caption=
不同工况测试与有限元仿真计算模态统计, figureFileSmall=null, figureFileBig=null, tableContent=
| 振型描述 | AW0 镜轮前 | AW0 镜轮后 | AW3 锁轮前 | AW3 锁轮后 | 整备 状态 | 自由 状态 |
| 构架扭转 | 43.829 | 44.369 | 46.158 | 45.257 | 48.98 | 36.92 |
| 侧梁横向弯曲 | 79.269 | 79.781 | 81.124 | 82.017 | 84.17 | 64.44 |
| 横梁垂向弯曲 | 80.579 | 82.014 | 83.157 | 81.278 | 82.80 | 64.97 |
| 侧梁水平面 八字变形 | 93.667 | 92.357 | 95.458 | 94.285 | 102.57 | 76.69 |
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