Article(id=1241038855541945022, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241038854333985467, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.01.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1678464000000, receivedDateStr=2023-03-11, revisedDate=1688572800000, revisedDateStr=2023-07-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1773816320548, onlineDateStr=2026-03-18, pubDate=1736870400000, pubDateStr=2025-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773816320548, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773816320548, creator=13701087609, updateTime=1773816320548, updator=13701087609, issue=Issue{id=1241038854333985467, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='1', pageStart='1', pageEnd='154', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773816320260, creator=13701087609, updateTime=1773819065926, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241050370550591873, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241038854333985467, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241050370554786178, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241038854333985467, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=134, endPage=145, ext={EN=ArticleExt(id=1241038855822963393, articleId=1241038855541945022, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Fatigue analysis and optimization of transverse stailizer bar link based on measured load spectrum, columnId=1241038855537750717, journalTitle=Journal of Mechanical Strength, columnName=Fatigue·Damage·Fracture·Failure Analysis, runingTitle=null, highlight=null, articleAbstract=
In order to solve fatigue fracture problem of the transverse stabilizer bar link of a pickup truck, taking the measured load spectrum as support, the fatigue analysis and structural improvement of bar link was carried out based on multi-body dynamics load decomposition method. The load spectrum acquisition test of stabilizer bar link was carried out, and the correlation analysis between sensor signals was conducted, and the validity of the collected signals was verified. Through the kinematics compliance(KC) test, the accuracy of suspension dynamics model was verified, by using virtual iteration method, the accuracy of the vehicle dynamic model is verified by the measured load spectrum signal as excitation. The critical load of bar link was obtained by means of multi-body dynamics load decomposition method, compression rod instability theory method and bench test method respectively, the strength of link was checked and compared with the measured load value, and the accuracy of the three methods was evaluated. The results show that multi-body dynamics load decomposition method can accurately predict the critical load, the bench test method have some errors, and the the compression rod instability theory cannot be directly used for strength check of link. Fatigue simulation and optimization of link were carried out by combining nominal stress method and load spectrum of multi-body dynamics decomposition. The fatigue mileage predicted by simulation is 12 143 km, the relative error value with real life is 14%, which proves validity of simulation method. The structural improvement of the dangerous part of link body port eliminates stress concentration of it, and makes the design life of link meet the service requirements.
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为解决某皮卡车横向稳定杆连杆疲劳断裂问题,以实测载荷谱为数据支撑,基于多体动力学载荷分解法进行连杆疲劳分析与结构改进。开展稳定杆连杆载荷谱采集试验,进行传感器信号之间的关联分析,验证了采集信号的有效性。通过悬架运动学与柔顺性(Kinematics Compliance,KC)试验,校验了悬架系统动力学模型传力的准确性,采用虚拟迭代法,以实测载荷谱信号为激励,验证了整车动态模型的精度。对比运用多体动力学载荷分解法、压杆失稳理论法、台架试验法3种方法分别获取连杆的临界载荷,对连杆强度进行校核,并与连杆实测载荷值进行对比,对3种方法准确性进行评价。结果表明,多体动力学载荷分解法能精准地预测连杆的临界载荷,而台架试验法结果存在一定误差,压杆失稳理论不能直接用于连杆的强度校核。结合名义应力法与多体动力学分解的载荷谱对连杆开展疲劳仿真与优化,仿真预测连杆疲劳里程数为12 143 km,与真实寿命相对误差值为14%,证明了仿真方法的有效性,对连杆杆身端口危险部位进行结构改进,消除了连杆应力集中现象,使连杆设计寿命满足使用要求。
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1, 3, address=
1.Hebei Vocational University of Industry and Technology, Shijiazhuang 050091, China
3.Hebei Key Laboratory of Special Delivery Equipment, Yanshan University, Qinhuangdao 066004, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241038870813405253, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, authorId=1241038870482055222, language=CN, stringName=刘志雷, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.河北工业职业技术大学,石家庄 050091
3.燕山大学 河北省特种运载装备重点实验室,秦皇岛 066004, bio={"content":"
刘志雷,男,1990年生,河北邯郸人,讲师;主要研究方向为底盘动力学数值仿真与耐久性能分析;E-mail:liuzhileiedu@163.com。
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刘志雷,男,1990年生,河北邯郸人,讲师;主要研究方向为底盘动力学数值仿真与耐久性能分析;E-mail:liuzhileiedu@163.com。
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2.Test Center, SANY Heavy Machine Co., Ltd., Kunshan 215300, China
3.Hebei Key Laboratory of Special Delivery Equipment, Yanshan University, Qinhuangdao 066004, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241038871459328090, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, authorId=1241038870926651469, language=CN, stringName=杜建, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.三一重机试验检测中心,昆山 215300
3.燕山大学 河北省特种运载装备重点实验室,秦皇岛 066004, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241038870083596320, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, xref=2., ext=[AuthorCompanyExt(id=1241038870087790625, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, companyId=1241038870083596320, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.燕山大学 河北省特种运载装备重点实验室,秦皇岛 066004, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241038870238785577, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, xref=3., ext=[AuthorCompanyExt(id=1241038870247174187, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, companyId=1241038870238785577, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.Hebei Key Laboratory of Special Delivery Equipment, Yanshan University, Qinhuangdao 066004, China), AuthorCompanyExt(id=1241038870255562797, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, companyId=1241038870238785577, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.燕山大学 河北省特种运载装备重点实验室,秦皇岛 066004)])], figs=[ArticleFig(id=1241038874051408034, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.1, caption=
Schematic diagram of front suspension components, figureFileSmall=l/KSHwRRljATMGvjNhP8pg==, figureFileBig=kEUl0F1opsR1LOHXPa/+6g==, tableContent=null), ArticleFig(id=1241038874110128296, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图1, caption=
前悬架零部件组件示意图, figureFileSmall=l/KSHwRRljATMGvjNhP8pg==, figureFileBig=kEUl0F1opsR1LOHXPa/+6g==, tableContent=null), ArticleFig(id=1241038874416312496, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.2, caption=
Test vehicle and test sensor, figureFileSmall=t37gqFnPhKZ18KXUdV4JqQ==, figureFileBig=8GqTHN2DB+0QcU32ztSI5A==, tableContent=null), ArticleFig(id=1241038874655387829, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图2, caption=
试验车辆及测试传感器, figureFileSmall=t37gqFnPhKZ18KXUdV4JqQ==, figureFileBig=8GqTHN2DB+0QcU32ztSI5A==, tableContent=null), ArticleFig(id=1241038874907046070, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.3, caption=
Single direction strain gauge of the connecting rod, figureFileSmall=rl+7wM8qDqwPlpBUKd+U3w==, figureFileBig=UzdeuLIXU6jZUqLH2OCLVw==, tableContent=null), ArticleFig(id=1241038874982543548, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图3, caption=
连杆单向应变片, figureFileSmall=rl+7wM8qDqwPlpBUKd+U3w==, figureFileBig=UzdeuLIXU6jZUqLH2OCLVw==, tableContent=null), ArticleFig(id=1241038875070623941, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.4, caption=
Arrangement ot the connecting rod strain gauge, figureFileSmall=MUf+lhaI34E7rB32wQ8Crw==, figureFileBig=Q2Et7lFysdD+aFc7zHNj/Q==, tableContent=null), ArticleFig(id=1241038875284533447, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图4, caption=
连杆应变片布置, figureFileSmall=MUf+lhaI34E7rB32wQ8Crw==, figureFileBig=Q2Et7lFysdD+aFc7zHNj/Q==, tableContent=null), ArticleFig(id=1241038875779461322, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.5, caption=
Calibration coefficient of the front left connecting rod, figureFileSmall=3SEnrq0JJhR8HQuRJrPH5A==, figureFileBig=WulfyvReweTZCqjEpj6sWA==, tableContent=null), ArticleFig(id=1241038875905290446, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图5, caption=
左前连杆标定系数, figureFileSmall=3SEnrq0JJhR8HQuRJrPH5A==, figureFileBig=WulfyvReweTZCqjEpj6sWA==, tableContent=null), ArticleFig(id=1241038876064674003, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.6, caption=
Measured load spectrum signal of the connecting rod, figureFileSmall=j7kRg8IHwJnknI+QQg5e4g==, figureFileBig=jd7Ov/JB5+SjP9xHbnTgXw==, tableContent=null), ArticleFig(id=1241038876232446168, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图6, caption=
连杆实测载荷谱信号, figureFileSmall=j7kRg8IHwJnknI+QQg5e4g==, figureFileBig=jd7Ov/JB5+SjP9xHbnTgXw==, tableContent=null), ArticleFig(id=1241038876316332251, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.7, caption=
Signal symmetry verification of the twist road, figureFileSmall=U1qSBePN7dPHZ8twlZMfoA==, figureFileBig=iICsSHJe6Y5hZDkoDJR2Xw==, tableContent=null), ArticleFig(id=1241038876433772766, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图7, caption=
扭曲路信号对称性校验, figureFileSmall=U1qSBePN7dPHZ8twlZMfoA==, figureFileBig=iICsSHJe6Y5hZDkoDJR2Xw==, tableContent=null), ArticleFig(id=1241038876698013923, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.8, caption=
Operation flow chart of the signals’ correlation, figureFileSmall=hKTg6gsA+tDBjg/L8bXulg==, figureFileBig=KwMOM06VISlbhqy2B/pPiA==, tableContent=null), ArticleFig(id=1241038876836425961, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图8, caption=
信号相关性操作流程图, figureFileSmall=hKTg6gsA+tDBjg/L8bXulg==, figureFileBig=KwMOM06VISlbhqy2B/pPiA==, tableContent=null), ArticleFig(id=1241038877079695599, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.9, caption=
Verification of correlation between the spring displacement and the acceleration signal, figureFileSmall=PvbV7j6t8rsaCVaZvEypXA==, figureFileBig=L2mW4lZmi3bQeuDb1z+NoA==, tableContent=null), ArticleFig(id=1241038877180358898, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图9, caption=
弹簧位移与加速度信号相关性校验, figureFileSmall=PvbV7j6t8rsaCVaZvEypXA==, figureFileBig=L2mW4lZmi3bQeuDb1z+NoA==, tableContent=null), ArticleFig(id=1241038877360713978, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.10, caption=
Stiffness curves of the lower control arm bushing, figureFileSmall=apJ66D+ZXFdZiy7/GhE7rg==, figureFileBig=U7yP8f1T14IwRpuhc5v49Q==, tableContent=null), ArticleFig(id=1241038877520097531, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图10, caption=
下控制臂衬套刚度曲线, figureFileSmall=apJ66D+ZXFdZiy7/GhE7rg==, figureFileBig=U7yP8f1T14IwRpuhc5v49Q==, tableContent=null), ArticleFig(id=1241038877654315264, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.11, caption=
Front suspension subsystem model, figureFileSmall=dGKlD+53F9OJsKxxIM4gjQ==, figureFileBig=OBJVa8h1pW/vQ/hO/ceacA==, tableContent=null), ArticleFig(id=1241038877734007050, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图11, caption=
前悬子系统模型, figureFileSmall=dGKlD+53F9OJsKxxIM4gjQ==, figureFileBig=OBJVa8h1pW/vQ/hO/ceacA==, tableContent=null), ArticleFig(id=1241038877859836176, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.12, caption=
Suspension KC test bench, figureFileSmall=iMMaI2k0KHPfyIt6hM1kMA==, figureFileBig=VhccsO/Cn5pRguwpBaUqkg==, tableContent=null), ArticleFig(id=1241038878069551381, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图12, caption=
悬架KC试验台架, figureFileSmall=iMMaI2k0KHPfyIt6hM1kMA==, figureFileBig=VhccsO/Cn5pRguwpBaUqkg==, tableContent=null), ArticleFig(id=1241038878245712157, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.13, caption=
Suspension roll stiffness, figureFileSmall=b8M1s086L2yBLB1WhT28Xg==, figureFileBig=i/o8DNRmH/LY3Jzb6zVATA==, tableContent=null), ArticleFig(id=1241038878472204575, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图13, caption=
悬架侧倾刚度, figureFileSmall=b8M1s086L2yBLB1WhT28Xg==, figureFileBig=i/o8DNRmH/LY3Jzb6zVATA==, tableContent=null), ArticleFig(id=1241038878560284963, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.14, caption=
Multi-body dynamics model of the complete vehicle, figureFileSmall=G8J0MxDpgPEMraq7cAghkg==, figureFileBig=SV+jHVW5I2On02Zflsv+EQ==, tableContent=null), ArticleFig(id=1241038878740640042, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图14, caption=
整车多体动力学模型, figureFileSmall=G8J0MxDpgPEMraq7cAghkg==, figureFileBig=SV+jHVW5I2On02Zflsv+EQ==, tableContent=null), ArticleFig(id=1241038879009075504, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.15, caption=
Comparison of vertical acceleration time domain curves of the left front wheel center, figureFileSmall=7gigAi/SbMD9VCoTDeGgJw==, figureFileBig=0mOA9e8KjBLVVbSnYBuoYQ==, tableContent=null), ArticleFig(id=1241038879101350196, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图15, caption=
左前轮心垂向加速度时间域曲线对比, figureFileSmall=7gigAi/SbMD9VCoTDeGgJw==, figureFileBig=0mOA9e8KjBLVVbSnYBuoYQ==, tableContent=null), ArticleFig(id=1241038879197819191, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.16, caption=
Comparison of vertical acceleration time domain curves of the left rear wheel center, figureFileSmall=H7nDfhntfibvsPYVf7DCRQ==, figureFileBig=Z7Zb70R+hfO2fTPWlTlUJw==, tableContent=null), ArticleFig(id=1241038879394951483, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图16, caption=
左后轮心垂向加速度时间域曲线对比, figureFileSmall=H7nDfhntfibvsPYVf7DCRQ==, figureFileBig=Z7Zb70R+hfO2fTPWlTlUJw==, tableContent=null), ArticleFig(id=1241038879558529345, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.17, caption=
Relative damage histogram, figureFileSmall=xL4Jh2/f4ywGQyuvTR7LhA==, figureFileBig=9P7hQ52L+fqEbcKU/zL3ww==, tableContent=null), ArticleFig(id=1241038879868907844, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图17, caption=
相对损伤柱状图, figureFileSmall=xL4Jh2/f4ywGQyuvTR7LhA==, figureFileBig=9P7hQ52L+fqEbcKU/zL3ww==, tableContent=null), ArticleFig(id=1241038880489664840, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.18, caption=
Virtual load spectrum of link of Belgian road, figureFileSmall=ojZHp++F5LgMRD8yOjA74w==, figureFileBig=AnSvYnlPsOrImLiTt7JM9w==, tableContent=null), ArticleFig(id=1241038880615493963, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图18, caption=
比利时路连杆虚拟载荷谱, figureFileSmall=ojZHp++F5LgMRD8yOjA74w==, figureFileBig=AnSvYnlPsOrImLiTt7JM9w==, tableContent=null), ArticleFig(id=1241038880829403474, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.19, caption=
Status comparison of the connecting rod actual vehicle test and the bench test, figureFileSmall=hJIjjflarTQ37U7pGZMccg==, figureFileBig=0PD0YH36Z/lHe20p8CKCsw==, tableContent=null), ArticleFig(id=1241038881110421843, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图19, caption=
连杆实车测试与台架测试状态对比, figureFileSmall=hJIjjflarTQ37U7pGZMccg==, figureFileBig=0PD0YH36Z/lHe20p8CKCsw==, tableContent=null), ArticleFig(id=1241038881185919315, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.20, caption=
Fracture failure diagram of the front stabilizer link, figureFileSmall=8Dnxr9fGNt4ye4V6rLY+ig==, figureFileBig=g99qkKyBpHUSfOD0I5XJdw==, tableContent=null), ArticleFig(id=1241038881253028183, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图20, caption=
前稳定杆连杆断裂失效, figureFileSmall=8Dnxr9fGNt4ye4V6rLY+ig==, figureFileBig=g99qkKyBpHUSfOD0I5XJdw==, tableContent=null), ArticleFig(id=1241038881353691482, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.21, caption=
Finite element model of the connecting rod, figureFileSmall=P4ZO42lkxNtj5CrCgGUq8Q==, figureFileBig=WUXYKWcm0LVwV9NTupFUjA==, tableContent=null), ArticleFig(id=1241038881538240862, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图21, caption=
连杆有限元模型, figureFileSmall=P4ZO42lkxNtj5CrCgGUq8Q==, figureFileBig=WUXYKWcm0LVwV9NTupFUjA==, tableContent=null), ArticleFig(id=1241038881689235810, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.22, caption=
Flow chart for fatigue calculation of connecting rods, figureFileSmall=Ea84+gE3XyGH0ig8lSzHkA==, figureFileBig=yNr1n3VZvBQAcASc1EoBFQ==, tableContent=null), ArticleFig(id=1241038881815064936, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图22, caption=
连杆疲劳计算流程图, figureFileSmall=Ea84+gE3XyGH0ig8lSzHkA==, figureFileBig=yNr1n3VZvBQAcASc1EoBFQ==, tableContent=null), ArticleFig(id=1241038881949282670, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.23, caption=
Finite element model of the connecting rod under unit load, figureFileSmall=m0VwKsBwIoo3hnVSfzzk4g==, figureFileBig=u9g1FcG4w9zNINAl5NIyfw==, tableContent=null), ArticleFig(id=1241038882154803573, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图23, caption=
连杆单位载荷下的有限元模型, figureFileSmall=m0VwKsBwIoo3hnVSfzzk4g==, figureFileBig=u9g1FcG4w9zNINAl5NIyfw==, tableContent=null), ArticleFig(id=1241038882289021301, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.24, caption=
Fatigue testing device, figureFileSmall=KhHyZzNfXdHtXqkwOy++Og==, figureFileBig=GI4ZQO/HoW63EFr8bj6nog==, tableContent=null), ArticleFig(id=1241038882481959287, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图24, caption=
疲劳试验装置, figureFileSmall=KhHyZzNfXdHtXqkwOy++Og==, figureFileBig=GI4ZQO/HoW63EFr8bj6nog==, tableContent=null), ArticleFig(id=1241038882641342845, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.25, caption=
Link S-N curve, figureFileSmall=ae60jqJgE0cFgU1HaBqO2Q==, figureFileBig=B7RLILxtNKQVgDhxZhkedA==, tableContent=null), ArticleFig(id=1241038882733617537, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图25, caption=
连杆S-N曲线, figureFileSmall=ae60jqJgE0cFgU1HaBqO2Q==, figureFileBig=B7RLILxtNKQVgDhxZhkedA==, tableContent=null), ArticleFig(id=1241038882901389700, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.26, caption=
Fatigue damage nephogram of the connecting rod, figureFileSmall=Y9ZbsMoQnv8T2miLW8jzLA==, figureFileBig=ltXAYHKo8KqRpVITi43hsw==, tableContent=null), ArticleFig(id=1241038883194990986, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图26, caption=
连杆疲劳损伤云图, figureFileSmall=Y9ZbsMoQnv8T2miLW8jzLA==, figureFileBig=ltXAYHKo8KqRpVITi43hsw==, tableContent=null), ArticleFig(id=1241038883299848586, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.27, caption=
Improvement scheme of connecting rod structure, figureFileSmall=ifiqR8k0INlgDIDyGyZvPg==, figureFileBig=NdfRs69bBwNuwlm4dZK2WA==, tableContent=null), ArticleFig(id=1241038883438260623, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图27, caption=
连杆结构改进方案, figureFileSmall=ifiqR8k0INlgDIDyGyZvPg==, figureFileBig=NdfRs69bBwNuwlm4dZK2WA==, tableContent=null), ArticleFig(id=1241038883769610646, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.28, caption=
Comparison of stress nephogram the connecting rod before and after structure improvement, figureFileSmall=r9S1/NyN/6gMeqOYqn2DnQ==, figureFileBig=OAYiK1eiPETFLQhJIAJnjQ==, tableContent=null), ArticleFig(id=1241038884465865111, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图28, caption=
改进前后连杆应力云图对比, figureFileSmall=r9S1/NyN/6gMeqOYqn2DnQ==, figureFileBig=OAYiK1eiPETFLQhJIAJnjQ==, tableContent=null), ArticleFig(id=1241038884721717658, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Fig.29, caption=
Fatigue damage nephgram of the improved connecting rod, figureFileSmall=4DCuNR6Opp+pBC5MX1jEtg==, figureFileBig=W3y1dZ16Je9X9mUDHiiK1g==, tableContent=null), ArticleFig(id=1241038884923044252, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=图29, caption=
改进后连杆疲劳损伤云图, figureFileSmall=4DCuNR6Opp+pBC5MX1jEtg==, figureFileBig=W3y1dZ16Je9X9mUDHiiK1g==, tableContent=null), ArticleFig(id=1241038885040484768, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.1, caption=
Description of sensor selection
, figureFileSmall=null, figureFileBig=null, tableContent=
通道统计 Channel statistics | 传感器名称 Sensor name | 测量参数 Measurement parameter | 单位 Unit |
|---|
| 2 | 连杆轴向力 Axial force of the connecting rod | 轴向力 Axial force Z | N |
| 24 | 轮心六分力 Wheel center six-component force | 纵向力 Longitudinal force Fx | N |
侧向力 Lateral force Fy | N |
垂向力 Vertical force Fz | N |
倾翻力矩 Overturning moment Mx | N·m |
制动力矩 Braking moment My | N·m |
横摆力矩 Yaw moment Mz | N·m |
| 30 | 加速度 Acceleration | 轮心加速度 Wheel center acceleration a | 9.8 m/s2 |
车架加速度 Body acceleration aT |
| 4 | 位移 Displacement | 前、后弹簧位移 Displacement of front and rear springs D | mm |
| 1 | GPS | 行驶轨迹 Driving track | — |
), ArticleFig(id=1241038885124370850, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表1, caption=
传感器选配说明
, figureFileSmall=null, figureFileBig=null, tableContent=
通道统计 Channel statistics | 传感器名称 Sensor name | 测量参数 Measurement parameter | 单位 Unit |
|---|
| 2 | 连杆轴向力 Axial force of the connecting rod | 轴向力 Axial force Z | N |
| 24 | 轮心六分力 Wheel center six-component force | 纵向力 Longitudinal force Fx | N |
侧向力 Lateral force Fy | N |
垂向力 Vertical force Fz | N |
倾翻力矩 Overturning moment Mx | N·m |
制动力矩 Braking moment My | N·m |
横摆力矩 Yaw moment Mz | N·m |
| 30 | 加速度 Acceleration | 轮心加速度 Wheel center acceleration a | 9.8 m/s2 |
车架加速度 Body acceleration aT |
| 4 | 位移 Displacement | 前、后弹簧位移 Displacement of front and rear springs D | mm |
| 1 | GPS | 行驶轨迹 Driving track | — |
), ArticleFig(id=1241038885237617061, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.2, caption=
Intensified road collection speed and durability specification cycle number at the test site
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道路名称 Road name | 凸块路 Bump road | 路沿冲击 Curb-shock | 右侧倾斜车道 Rights lope lane | 井盖路 Manhole cover road | 路障 Barrier | 大石铺装路 Cobblestone road | 振动路1 Vibration road 1 | 规则长波路 Regular longwave road | 比利时路 Belgium road | 碎石路 Gravel road |
|---|
循环次数 Cycles | 504 | 504 | 504 | 504 | 504 | 504 | 504 | 504 | 504 | 504 |
车速 Speed/(km/h) | 25 | 40 | 40 | 40 | 10 | 20 | 40 | 20 | 25 | 30 |
道路名称 Road name | 浅滩 Shore | 长波路 Longwave road | 搓板路 Washboard road | 扭曲路 Twist road | 铁轨路 Railway road | 振动路3 Vibration road 3 | 弹跳坑 Bump pit | 左侧倾斜车道 Left slope lane | 振动路2 Vibration road 2 | 坑洼A Pit-A |
循环次数 Cycles | 504 | 504 | 504 | 504 | 1 008 | 1 008 | 1 008 | 1 512 | 1 512 | 1 512 |
车速 Speed/(km/h) | 30 | 20 | 40 | 5 | 40 | 40 | 40 | 40 | 40 | 40 |
), ArticleFig(id=1241038885367640487, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表2, caption=
试验场强化道路采集车速与耐久规范循环数
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道路名称 Road name | 凸块路 Bump road | 路沿冲击 Curb-shock | 右侧倾斜车道 Rights lope lane | 井盖路 Manhole cover road | 路障 Barrier | 大石铺装路 Cobblestone road | 振动路1 Vibration road 1 | 规则长波路 Regular longwave road | 比利时路 Belgium road | 碎石路 Gravel road |
|---|
循环次数 Cycles | 504 | 504 | 504 | 504 | 504 | 504 | 504 | 504 | 504 | 504 |
车速 Speed/(km/h) | 25 | 40 | 40 | 40 | 10 | 20 | 40 | 20 | 25 | 30 |
道路名称 Road name | 浅滩 Shore | 长波路 Longwave road | 搓板路 Washboard road | 扭曲路 Twist road | 铁轨路 Railway road | 振动路3 Vibration road 3 | 弹跳坑 Bump pit | 左侧倾斜车道 Left slope lane | 振动路2 Vibration road 2 | 坑洼A Pit-A |
循环次数 Cycles | 504 | 504 | 504 | 504 | 1 008 | 1 008 | 1 008 | 1 512 | 1 512 | 1 512 |
车速 Speed/(km/h) | 30 | 20 | 40 | 5 | 40 | 40 | 40 | 40 | 40 | 40 |
), ArticleFig(id=1241038886948893098, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.3, caption=
Comparison between simulation value and test value of main response index under roll condition
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响应指标 Response indicator | 试验值 Test value | 仿真值 Simulation value | 相对误差 Relative error/% |
|---|
侧倾前束 Roll toe | 3.7 | 4.2 | 13.5 |
侧倾外倾 Roll camber | -90 | -94 | 4.4 |
侧倾中心高度 Roll center height | 42 | 44 | 4.8 |
), ArticleFig(id=1241038887045362092, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表3, caption=
侧倾工况主响应指标仿真值与试验值对比
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响应指标 Response indicator | 试验值 Test value | 仿真值 Simulation value | 相对误差 Relative error/% |
|---|
侧倾前束 Roll toe | 3.7 | 4.2 | 13.5 |
侧倾外倾 Roll camber | -90 | -94 | 4.4 |
侧倾中心高度 Roll center height | 42 | 44 | 4.8 |
), ArticleFig(id=1241038887116665265, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.4, caption=
Bench test results
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样品编号 Sample number | 试验结果 Test result/N | 样品编号 Sample number | 试验结果 Test result/N |
|---|
| 1 | 520.6 | 6 | 535.5 |
| 2 | 515.4 | 7 | 517.8 |
| 3 | 538 | 8 | 536.8 |
| 4 | 523.5 | 9 | 532.6 |
| 5 | 545.6 | 10 | 528.8 |
), ArticleFig(id=1241038887414460850, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表4, caption=
台架试验结果
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样品编号 Sample number | 试验结果 Test result/N | 样品编号 Sample number | 试验结果 Test result/N |
|---|
| 1 | 520.6 | 6 | 535.5 |
| 2 | 515.4 | 7 | 517.8 |
| 3 | 538 | 8 | 536.8 |
| 4 | 523.5 | 9 | 532.6 |
| 5 | 545.6 | 10 | 528.8 |
), ArticleFig(id=1241038887578038711, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.5, caption=
Multi-body dynamics load extraction of the limit load of the left and right links of the vehicle front suspension
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道路名称 Road name | 凸块路 Bump road | 路沿冲击 Curb-shock | 右侧倾斜车道 Right slope lane | 井盖路 Manhole road cover | 路障 Barrier | 大石铺装 Cobblestone road | 振动路1 Vibration road 1 | 规则长波路 Regular longwave road | 比利时路 Belgium road | 碎石路 Gravel road |
|---|
| GLF/N | 91.9 | 286.1 | 384.6 | 176.8 | 55 | 222 | 200.6 | 83.4 | 200 | 91.9 |
| GRF/N | -97.1 | -264 | -334.8 | -173 | -41 | -210.8 | -184.3 | -92.8 | -198.4 | -97.1 |
道路名称 Road name | 浅滩 Shore | 长波路 Longwave road | 搓板路 Washboard road | 扭曲路 Twist road | 铁轨路 Railway road | 振动路3 Vibration road 3 | 弹跳坑 Bump pit | 左侧倾斜道 Left slope lane | 振动路2 Vibration road 2 | 坑洼A Pit-A |
| GLF/N | 198.6 | 126.4 | 122.4 | 274 | 66 | 251.1 | 244.3 | 145.5 | 227.7 | 152.3 |
| GRF/N | -188.9 | -120.5 | -121.5 | -248.7 | -75 | -218.7 | -220 | -119.3 | -205.6 | -153 |
), ArticleFig(id=1241038887821308348, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表5, caption=
多体动力学载荷提取车辆前悬架左、右连杆极限载荷
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道路名称 Road name | 凸块路 Bump road | 路沿冲击 Curb-shock | 右侧倾斜车道 Right slope lane | 井盖路 Manhole road cover | 路障 Barrier | 大石铺装 Cobblestone road | 振动路1 Vibration road 1 | 规则长波路 Regular longwave road | 比利时路 Belgium road | 碎石路 Gravel road |
|---|
| GLF/N | 91.9 | 286.1 | 384.6 | 176.8 | 55 | 222 | 200.6 | 83.4 | 200 | 91.9 |
| GRF/N | -97.1 | -264 | -334.8 | -173 | -41 | -210.8 | -184.3 | -92.8 | -198.4 | -97.1 |
道路名称 Road name | 浅滩 Shore | 长波路 Longwave road | 搓板路 Washboard road | 扭曲路 Twist road | 铁轨路 Railway road | 振动路3 Vibration road 3 | 弹跳坑 Bump pit | 左侧倾斜道 Left slope lane | 振动路2 Vibration road 2 | 坑洼A Pit-A |
| GLF/N | 198.6 | 126.4 | 122.4 | 274 | 66 | 251.1 | 244.3 | 145.5 | 227.7 | 152.3 |
| GRF/N | -188.9 | -120.5 | -121.5 | -248.7 | -75 | -218.7 | -220 | -119.3 | -205.6 | -153 |
), ArticleFig(id=1241038887980691906, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.6, caption=
Comparison results of three methods for extracting critical load of the connecting rod
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方法名称 Method name | 临界载荷 Critical load /N | 实车测试载 荷值 Measured load value /N | 对比实车测试 值安全系数 Safety factor compared to measured test values |
|---|
多体动力学载荷分解法 Multibody dynamics load decomposition method | 384.6 | | 1 |
压杆失稳理论法 Theoretical method of buckling of compression bar | 880 | 382 | 2.3 |
台架试验法 Bench test method | 529.5 | | 1.4 |
), ArticleFig(id=1241038888416899523, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表6, caption=
3种方法提取连杆临界载荷对比结果
, figureFileSmall=null, figureFileBig=null, tableContent=
方法名称 Method name | 临界载荷 Critical load /N | 实车测试载 荷值 Measured load value /N | 对比实车测试 值安全系数 Safety factor compared to measured test values |
|---|
多体动力学载荷分解法 Multibody dynamics load decomposition method | 384.6 | | 1 |
压杆失稳理论法 Theoretical method of buckling of compression bar | 880 | 382 | 2.3 |
台架试验法 Bench test method | 529.5 | | 1.4 |
), ArticleFig(id=1241038888643391943, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.7, caption=
Dangerous node data statistics of the connecting rod
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危险部位 Dangerous part | 疲劳仿真寿命里程 Fatigue simulation life mileage/km | 试验寿命里程 Test life mileage/km | 相对误差 Relative error/% |
|---|
杆身下部端口 Lower port of the rod body | 12 143 | 14 124 | 14 |
), ArticleFig(id=1241038888781803979, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表7, caption=
连杆危险节点数据统计
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危险部位 Dangerous part | 疲劳仿真寿命里程 Fatigue simulation life mileage/km | 试验寿命里程 Test life mileage/km | 相对误差 Relative error/% |
|---|
杆身下部端口 Lower port of the rod body | 12 143 | 14 124 | 14 |
), ArticleFig(id=1241038888936993228, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=EN, label=Tab.8, caption=
Deformation of the connecting rod with different diameters under extreme loads
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编号 Number | 连杆直径 Link diameter/mm | 变形量 Deformation /mm |
|---|
| 1 | 10 | 6.5 |
| 2 | 15 | 2.5 |
| 3 | 20 | 0.043 |
), ArticleFig(id=1241038889150902735, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038855541945022, language=CN, label=表8, caption=
不同直径下的连杆在极值载荷下的变形量
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编号 Number | 连杆直径 Link diameter/mm | 变形量 Deformation /mm |
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| 1 | 10 | 6.5 |
| 2 | 15 | 2.5 |
| 3 | 20 | 0.043 |
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