Article(id=1200066396370596784, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066378339288007, articleNumber=null, orderNo=null, doi=10.20104/j.cnki.1674-6546.20230293, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1693152000000, revisedDateStr=2023-08-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1764047725050, onlineDateStr=2025-11-25, pubDate=1699977600000, pubDateStr=2023-11-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764047725050, onlineIssueDateStr=2025-11-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764047725050, creator=13701087609, updateTime=1764047725050, updator=13701087609, issue=Issue{id=1200066378339288007, tenantId=1146029695717560320, journalId=1189918454225211397, year='2023', volume='', issue='11', 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=1764047720751, creator=13701087609, updateTime=1764048276180, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200068708044472512, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066378339288007, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200068708044472513, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066378339288007, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=32, endPage=37, ext={EN=ArticleExt(id=1200066396697752521, articleId=1200066396370596784, tenantId=1146029695717560320, journalId=1189918454225211397, language=EN, title=Design of New Damped Block for EPS Vibration Noise Optimization in Bumpy Road Condition, columnId=null, journalTitle=Automotive Engineer, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problem of abnormal vibration and noise generated by the Electric Power Steering (EPS) system of passenger cars under bumpy road conditions, this paper proposed a new damped block structure by adding an O-ring at the EPS block position. By analyzing the influence of O-ring static compression and stiffness on damping performance, the optimal compression of O-ring was confirmed to be 0.5 mm. The EPS endurance test was carried out with the road spectrum of the vehicle. The results show that the performance of vibration noise deteriorates after a long mileage with increase of EPS block gap. Subsequently, the bench noise test of the EPS with traditional block and new block under different block gap was conducted. The results show that the vibration acceleration of the EPS with the new damped block structure is reduced by a maximum of 9 m/s2 and 6.2 m/s2 at the bushing end and block end, respectively, proving that the new damped block structure has a significant optimization effect on the vibration noise of the EPS system under bumpy road conditions.
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针对乘用车电动助力转向(EPS)系统在颠簸路面工况下产生异常振动噪声的问题,提出了一种增加O型圈的新型阻尼式转向器压块结构,通过分析O型圈静态压缩量和刚度对阻尼性能的影响规律,确认了O型圈最优压缩量为0.5 mm,并开展了搭载整车路谱的EPS系统台架耐久试验,结果表明,车辆长里程行驶后,转向器压块间隙增大,且振动噪声表现变差。随后,针对装有传统压块和新型压块的EPS系统进行了不同压块间隙下的噪声台架试验,结果表明,采用新型压块的转向器在衬套端和压块端的振动加速度分别最大降低9.0 m/s2和6.2 m/s2,验证了新型阻尼压块结构对颠簸路面工况下EPS系统振动噪声具有显著优化效果。
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增加O型圈的新型转向器压块方案示意 1.压块 2.压缩弹簧 3.弹簧片 4.O型圈 5.密封圈 6.调整螺母 7.调整螺母塞
, figureFileSmall=r+DBa2W3ZdXcUaoHZXRe8Q==, figureFileBig=I0Qh7yi1QWsZtIlmo3mlEQ==, tableContent=null), ArticleFig(id=1200114693525303410, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=W/a2TLz6pz3iojDP2OHctQ==, figureFileBig=v3rxC2rTRn/uyUugsHZgpA==, tableContent=null), ArticleFig(id=1200114693638549621, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图2, caption=
O型圈安装槽, figureFileSmall=W/a2TLz6pz3iojDP2OHctQ==, figureFileBig=v3rxC2rTRn/uyUugsHZgpA==, tableContent=null), ArticleFig(id=1200114693718241398, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=1tifuwKU0709ZOOYmORNMA==, figureFileBig=50ppqEjepywt9iaxqK4K4A==, tableContent=null), ArticleFig(id=1200114693827293306, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图3, caption=
阻尼式压块结构模型, figureFileSmall=1tifuwKU0709ZOOYmORNMA==, figureFileBig=50ppqEjepywt9iaxqK4K4A==, tableContent=null), ArticleFig(id=1200114693936345213, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=TEwrC+LeODr4/Wei/EA1sA==, figureFileBig=x0spQZxAL4fYjISS37w+6g==, tableContent=null), ArticleFig(id=1200114694011842686, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图4, caption=
阻尼器工作模态, figureFileSmall=TEwrC+LeODr4/Wei/EA1sA==, figureFileBig=x0spQZxAL4fYjISS37w+6g==, tableContent=null), ArticleFig(id=1200114694083145858, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=2nRgx5jZpcXuTd25yvUVKQ==, figureFileBig=w68fKa8AqKc7Jjeeowkbdw==, tableContent=null), ArticleFig(id=1200114694158643333, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图5, caption=
O型圈与静态压缩量相关的阻尼和刚度, figureFileSmall=2nRgx5jZpcXuTd25yvUVKQ==, figureFileBig=w68fKa8AqKc7Jjeeowkbdw==, tableContent=null), ArticleFig(id=1200114694234140807, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=cyjyp4VkWuY+yuutGPdYHg==, figureFileBig=7hOGXciIMLiP+I5tTkuJbA==, tableContent=null), ArticleFig(id=1200114694301249674, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图6, caption=
疲劳耐久试验台架, figureFileSmall=cyjyp4VkWuY+yuutGPdYHg==, figureFileBig=7hOGXciIMLiP+I5tTkuJbA==, tableContent=null), ArticleFig(id=1200114694410301583, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=4UM9mbftsPKTi8HtyI4AIg==, figureFileBig=a+CGoo1oHtYEEZSM869xmw==, tableContent=null), ArticleFig(id=1200114694531936404, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图7, caption=
疲劳耐久试验程序, figureFileSmall=4UM9mbftsPKTi8HtyI4AIg==, figureFileBig=a+CGoo1oHtYEEZSM869xmw==, tableContent=null), ArticleFig(id=1200114694615822484, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=YCRA/D+rzV9sMx4Wv+F68w==, figureFileBig=ieNNQi7paBnKwW2z3ybOew==, tableContent=null), ArticleFig(id=1200114694724874393, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图8, caption=
不同耐久程度下的转向器压块间隙测量结果, figureFileSmall=YCRA/D+rzV9sMx4Wv+F68w==, figureFileBig=ieNNQi7paBnKwW2z3ybOew==, tableContent=null), ArticleFig(id=1200114694808760475, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=SVzri6qw9VJDHki00PUxtw==, figureFileBig=LVw77clpFRpj8bj62UHiiw==, tableContent=null), ArticleFig(id=1200114694917812382, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图9, caption=
EPS系统不同耐久状态下振动加速度变化情况, figureFileSmall=SVzri6qw9VJDHki00PUxtw==, figureFileBig=LVw77clpFRpj8bj62UHiiw==, tableContent=null), ArticleFig(id=1200114694993309857, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=QjlZZfEpx/WP52YktYMBQg==, figureFileBig=7qEKmhWk8tZz4gXATp1GlQ==, tableContent=null), ArticleFig(id=1200114695093973157, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图10, caption=
传感器布置, figureFileSmall=QjlZZfEpx/WP52YktYMBQg==, figureFileBig=7qEKmhWk8tZz4gXATp1GlQ==, tableContent=null), ArticleFig(id=1200114695152693416, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=xVPGTssQ1yWuwC38Cg76LA==, figureFileBig=34bmp+UAN7VCsu0sN6ut5Q==, tableContent=null), ArticleFig(id=1200114695244968107, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图11, caption=
5~20 Hz正弦曲线, figureFileSmall=xVPGTssQ1yWuwC38Cg76LA==, figureFileBig=34bmp+UAN7VCsu0sN6ut5Q==, tableContent=null), ArticleFig(id=1200114695358214318, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=zgRP3QiOWs+c/Hb3ckAV4w==, figureFileBig=ZnwFYjbu7hjoWMuE15CQ7Q==, tableContent=null), ArticleFig(id=1200114695475654832, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=图12, caption=
不同间隙下装有传统压块和新型压块的EPS系统振 动加速度对比, figureFileSmall=zgRP3QiOWs+c/Hb3ckAV4w==, figureFileBig=ZnwFYjbu7hjoWMuE15CQ7Q==, tableContent=null), ArticleFig(id=1200114695563735220, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 输入 | 公称尺寸 | 下偏差 | 上偏差 |
| 沟槽外径 | 33.0 | -0.1 | 0.1 |
| 沟槽内径 | 27.3 | -0.1 | 0.1 |
| 沟槽高度 | 1.3 | -0.1 | 0.1 |
| 沟槽圆弧半径 | 0.2 | -0.1 | 0.1 |
| O型圈内径 | 27.3 | -0.32 | 0.32 |
| O型圈线径 | 1.8 | -0.08 | 0.08 |
), ArticleFig(id=1200114695681175736, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=表1, caption=
O型圈及其安装槽尺寸 mm
, figureFileSmall=null, figureFileBig=null, tableContent=
| 输入 | 公称尺寸 | 下偏差 | 上偏差 |
| 沟槽外径 | 33.0 | -0.1 | 0.1 |
| 沟槽内径 | 27.3 | -0.1 | 0.1 |
| 沟槽高度 | 1.3 | -0.1 | 0.1 |
| 沟槽圆弧半径 | 0.2 | -0.1 | 0.1 |
| O型圈内径 | 27.3 | -0.32 | 0.32 |
| O型圈线径 | 1.8 | -0.08 | 0.08 |
), ArticleFig(id=1200114695773450428, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 计算结果 | 最小 | 最大 |
| 压缩率/% | 17.65 | 35.48 |
| 压缩量/mm | 0.30 | 0.66 |
| 沟槽填充率/% | | 81.46 |
| O型圈内径拉伸率/% | | 1.56 |
), ArticleFig(id=1200114695903473859, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066396370596784, language=CN, label=表2, caption=
O型圈的压缩率及填充率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 计算结果 | 最小 | 最大 |
| 压缩率/% | 17.65 | 35.48 |
| 压缩量/mm | 0.30 | 0.66 |
| 沟槽填充率/% | | 81.46 |
| O型圈内径拉伸率/% | | 1.56 |
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| 静态压缩量/mm | 压缩模态频率/Hz |
| 0.05 | 275 |
| 2.10 | 638 |
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| 静态压缩量/mm | 压缩模态频率/Hz |
| 0.05 | 275 |
| 2.10 | 638 |
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| 子循环 | 子循环时间/s | 齿条 位移 | 转向盘转速 /(°)·s-1 | 齿条力 /kN |
| SC1 | 5 | 半行程 | 根据传动比 | 0 |
| SC2 | 10 | 全行程 | 360 | 3.0 |
| SC3 | 10 | 全行程 | 360 | 6.0 |
| SC4 | 5 | 半行程 | 根据传动比 | 0 |
| SC5 | 10 | ±15° | 根据传动比 | 4.5 |
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| 子循环 | 子循环时间/s | 齿条 位移 | 转向盘转速 /(°)·s-1 | 齿条力 /kN |
| SC1 | 5 | 半行程 | 根据传动比 | 0 |
| SC2 | 10 | 全行程 | 360 | 3.0 |
| SC3 | 10 | 全行程 | 360 | 6.0 |
| SC4 | 5 | 半行程 | 根据传动比 | 0 |
| SC5 | 10 | ±15° | 根据传动比 | 4.5 |
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| 耐久程度/% | 压块间隙/mm | 压块间隙变化量/mm |
| 0 | 0.036 | 0 |
| 50 | 0.165 | 0.129 |
| 100 | 0.230 | 0.194 |
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| 耐久程度/% | 压块间隙/mm | 压块间隙变化量/mm |
| 0 | 0.036 | 0 |
| 50 | 0.165 | 0.129 |
| 100 | 0.230 | 0.194 |
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| 传感器 | 灵敏度 |
| 切向 | 轴向 | 径向 |
| 压块 | 9.76 | 10.18 | 9.59 |
| 衬套 | 2.454 | 2.422 | 2.441 |
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传感器参数 mV/(m·s-2)
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| 传感器 | 灵敏度 |
| 切向 | 轴向 | 径向 |
| 压块 | 9.76 | 10.18 | 9.59 |
| 衬套 | 2.454 | 2.422 | 2.441 |
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| 间隙/mm | 0.05 | 0.10 | 0.20 | 0.30 | 0.40 | 0.50 |
| 新型压块 | √ | √ | √ | √ | √ | |
| 传统压块 | √ | √ | √ | √ | √ | √ |
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颠簸路噪声测试内容
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| 间隙/mm | 0.05 | 0.10 | 0.20 | 0.30 | 0.40 | 0.50 |
| 新型压块 | √ | √ | √ | √ | √ | |
| 传统压块 | √ | √ | √ | √ | √ | √ |
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