Article(id=1228653709513654908, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228653708687377017, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2024.11.018, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1685116800000, receivedDateStr=2023-05-27, revisedDate=1689350400000, revisedDateStr=2023-07-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1770863471630, onlineDateStr=2026-02-12, pubDate=1732723200000, pubDateStr=2024-11-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770863471630, onlineIssueDateStr=2026-02-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770863471630, creator=13701087609, updateTime=1770863471630, updator=13701087609, issue=Issue{id=1228653708687377017, tenantId=1146029695717560320, journalId=1225147924628267009, year='2024', volume='37', issue='11', pageStart='1803', pageEnd='1992', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770863471433, creator=13701087609, updateTime=1770863902026, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228655514792427773, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228653708687377017, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228655514792427774, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228653708687377017, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1980, endPage=1992, ext={EN=ArticleExt(id=1228653709710787198, articleId=1228653709513654908, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Weak fault diagnosis of planetary gearbox based on IFMD under time-varying speed, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The incipient fault characteristics of planetary gearbox are weak and difficult to effectively identify under strong background noise interference and variable working conditions. To address these issues,an improved feature mode decomposition (IFMD) algorithm is proposed to extract the weak fault characteristics of planetary gearbox under time-varying speed conditions. Firstly,for the key input parameters of the FMD algorithm,such as the number of decomposition mode n,the number of filter K,and the length of filter L,which need to be set manually and lack adaptability,an adaptive scale space spectrum segmentation method is proposed to determine the required number of decomposition modes n. On this basis,the Spectral Gini Index (SGI) is used as the objective function,and particle swarm optimization algorithm is used to automatically determine the optimal filter number K and filter length L. Subsequently,the IFMD is applied to perform optimal modal decomposition on the fault signal under the optimal parameter combination,and the decomposed component with the highest SGI value is selected as the sensitive modal component. Finally,significant fault feature orders are extracted from the envelope order spectrum of sensitive component to accurately diagnose the fault type and location of planetary gearbox. The analysis results of variable speed simulation signals and engineering experimental data indicate that compared to the PSO-VMD method,MED method,SGMD method,and fast spectral kurtosis method,the proposed method can extract weak fault information more clearly and comprehensively,thereby improving the characterization ability and diagnostic accuracy of early fault features of planetary gearbox under time-varying speed conditions.
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针对强背景噪声干扰且变转速下行星齿轮箱早期微弱故障特征难以被有效识别的问题,提出一种改进特征模态分解(Improved Feature Mode Decomposition,IFMD)的时变工况行星齿轮箱微弱故障诊断方法。对于特征模态分解算法中的关键输入参数分解模态个数n、滤波器个数K和滤波器长度L需要依靠人为经验反复尝试而不具有自适应的问题,提出通过尺度空间谱划分来确定所需分解模态个数n;在此基础上,以谱基尼指数(Spectral Gini Index,SGI)作为目标函数,采用粒子群算法自动确定最佳的滤波器个数K和滤波器长度L。最优输入参数组合下,采用IFMD对故障信号进行最佳模态分解,并选取SGI值最大的分量作为敏感模态。从敏感分量的包络阶次谱中提取显著故障特征阶次来准确判别故障类型。通过变转速仿真信号和工程实验数据分析表明,相比PSO-VMD方法、MED方法、SGMD方法和快速谱峭度方法,所提方法能够更加清晰、全面地提取微弱故障信息,提高了时变工况下行星齿轮箱早期故障特征的表征能力和诊断精度。
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基于IFMD的时变工况故障诊断流程, figureFileSmall=0ulAsnLsYIFiWLbYTCdPcg==, figureFileBig=Aec9nm0fHeyJKOFQ8GtOwA==, tableContent=null), ArticleFig(id=1228724643670983170, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.3, caption=
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尺度空间谱划分结果, figureFileSmall=6B8EFJLxGxW3X0208KhaTA==, figureFileBig=/XqUp/Vu/Mjx0m8NXDvUhA==, tableContent=null), ArticleFig(id=1228724644115579404, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.6, caption=
IFMD decomposition results of mixed simulation signal, figureFileSmall=sNmsvAHEqQgQ/gwP6MLJlg==, figureFileBig=zLAM9qGif3TRbylIKOqakg==, tableContent=null), ArticleFig(id=1228724644174299662, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图6, caption=
混合仿真信号的IFMD分解结果, figureFileSmall=sNmsvAHEqQgQ/gwP6MLJlg==, figureFileBig=zLAM9qGif3TRbylIKOqakg==, tableContent=null), ArticleFig(id=1228724644249797136, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.7, caption=
Processing results of the proposed method on simulation signal, figureFileSmall=DoSI0pzyuwgIsiZEslISkg==, figureFileBig=vWtxTzd8JMzyaI0uQIDd/g==, tableContent=null), ArticleFig(id=1228724644316906002, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图7, caption=
本文所提方法对仿真信号处理结果, figureFileSmall=DoSI0pzyuwgIsiZEslISkg==, figureFileBig=vWtxTzd8JMzyaI0uQIDd/g==, tableContent=null), ArticleFig(id=1228724644384014868, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.8, caption=
Analysis results of simulation signal by PSO-VMD, figureFileSmall=0QQ9VJuWDT/JYA+smz+0lA==, figureFileBig=D9eOUqW7UsKH3oTCvSM4eA==, tableContent=null), ArticleFig(id=1228724644446929430, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图8, caption=
PSO-VMD方法对仿真信号的分析结果, figureFileSmall=0QQ9VJuWDT/JYA+smz+0lA==, figureFileBig=D9eOUqW7UsKH3oTCvSM4eA==, tableContent=null), ArticleFig(id=1228724644514038296, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.9, caption=
Analysis results of simulation signal by MED, figureFileSmall=2K/2GVLs4c2gScqmt3AfNQ==, figureFileBig=RTNaH7CFBBeOjZMGdWahug==, tableContent=null), ArticleFig(id=1228724644585341466, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图9, caption=
MED方法对仿真信号的分析结果, figureFileSmall=2K/2GVLs4c2gScqmt3AfNQ==, figureFileBig=RTNaH7CFBBeOjZMGdWahug==, tableContent=null), ArticleFig(id=1228724644652450332, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.10, caption=
Analysis results of simulation signal by SGMD, figureFileSmall=9ZF8l5bKYLbfbDRwsgjCGQ==, figureFileBig=xQYodtLmYkWgENl1nmvqqA==, tableContent=null), ArticleFig(id=1228724644732142109, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图10, caption=
SGMD方法对仿真信号的分析结果, figureFileSmall=9ZF8l5bKYLbfbDRwsgjCGQ==, figureFileBig=xQYodtLmYkWgENl1nmvqqA==, tableContent=null), ArticleFig(id=1228724644824416799, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.11, caption=
Analysis results of simulation signal by FSK, figureFileSmall=Cb4jbmkmtWKdZouoG0QlJw==, figureFileBig=q+XofdisIw29saTKKMUtsQ==, tableContent=null), ArticleFig(id=1228724644895719969, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图11, caption=
快速谱峭度方法对仿真信号的分析结果, figureFileSmall=Cb4jbmkmtWKdZouoG0QlJw==, figureFileBig=q+XofdisIw29saTKKMUtsQ==, tableContent=null), ArticleFig(id=1228724644958634531, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.12, caption=
Planetary gearbox experiment bench, figureFileSmall=LehcWGuT8u0loFeKf2vy+g==, figureFileBig=otG0lOVqOAbfAKoeXIV8nA==, tableContent=null), ArticleFig(id=1228724645025743397, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图12, caption=
行星齿轮箱实验台, figureFileSmall=LehcWGuT8u0loFeKf2vy+g==, figureFileBig=otG0lOVqOAbfAKoeXIV8nA==, tableContent=null), ArticleFig(id=1228724645105435174, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.13, caption=
Tested gear faulty parts, figureFileSmall=WRJ7BLRn/UMg3rhf7p/HVQ==, figureFileBig=YZzsD07St8Y5Org2oSRJKQ==, tableContent=null), ArticleFig(id=1228724645189321255, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图13, caption=
齿轮故障件, figureFileSmall=WRJ7BLRn/UMg3rhf7p/HVQ==, figureFileBig=YZzsD07St8Y5Org2oSRJKQ==, tableContent=null), ArticleFig(id=1228724645256430120, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.14, caption=
Sun gear fault signal under variable operating conditions, figureFileSmall=yPyA4/3qvtYBnE4MQ6Z7sA==, figureFileBig=xHKJeEI+OHset5ruqGaADg==, tableContent=null), ArticleFig(id=1228724645315150377, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图14, caption=
变工况下太阳轮故障信号, figureFileSmall=yPyA4/3qvtYBnE4MQ6Z7sA==, figureFileBig=xHKJeEI+OHset5ruqGaADg==, tableContent=null), ArticleFig(id=1228724645386453546, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.15, caption=
Scale space spectral division results, figureFileSmall=Hv+pMgUcgxELxnUQtBgboQ==, figureFileBig=Cn5gJdGX0aQnnyrQT33njw==, tableContent=null), ArticleFig(id=1228724646749602347, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图15, caption=
尺度空间谱划分结果, figureFileSmall=Hv+pMgUcgxELxnUQtBgboQ==, figureFileBig=Cn5gJdGX0aQnnyrQT33njw==, tableContent=null), ArticleFig(id=1228724646858654252, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.16, caption=
IFMD decomposition results of sun gear fault signal, figureFileSmall=NEIaWbqZvGmj2Wor+aTLxw==, figureFileBig=Q43NHO+8p8UzN8W8TQ8AqQ==, tableContent=null), ArticleFig(id=1228724646925763117, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图16, caption=
太阳轮故障信号的IFMD分解结果, figureFileSmall=NEIaWbqZvGmj2Wor+aTLxw==, figureFileBig=Q43NHO+8p8UzN8W8TQ8AqQ==, tableContent=null), ArticleFig(id=1228724646980289070, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.17, caption=
Processing results of the proposed method on sun gear fault signal, figureFileSmall=72kZvlvFel7bZ+LjKtyqLA==, figureFileBig=60Ho8fVBJlWMYx9SNNorMQ==, tableContent=null), ArticleFig(id=1228724647047397935, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图17, caption=
本文所提方法对太阳轮故障处理结果, figureFileSmall=72kZvlvFel7bZ+LjKtyqLA==, figureFileBig=60Ho8fVBJlWMYx9SNNorMQ==, tableContent=null), ArticleFig(id=1228724647114506800, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.18, caption=
Analysis results of sun gear fault by PSO-VMD, figureFileSmall=AEsaOBCEzeIy/aoYZCXq1A==, figureFileBig=WOe4+hya+U7zbglgQbSlDw==, tableContent=null), ArticleFig(id=1228724647177421361, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图18, caption=
PSO-VMD方法对太阳轮故障的分析结果, figureFileSmall=AEsaOBCEzeIy/aoYZCXq1A==, figureFileBig=WOe4+hya+U7zbglgQbSlDw==, tableContent=null), ArticleFig(id=1228724647248724530, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.19, caption=
Analysis results of sun gear fault by MED, figureFileSmall=J9idbNbpyAElMvnMUJTsXg==, figureFileBig=X5+riwrPn+cZ4utbxV0CUQ==, tableContent=null), ArticleFig(id=1228724647311639091, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图19, caption=
MED方法对太阳轮故障的分析结果, figureFileSmall=J9idbNbpyAElMvnMUJTsXg==, figureFileBig=X5+riwrPn+cZ4utbxV0CUQ==, tableContent=null), ArticleFig(id=1228724647399719476, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.20, caption=
Analysis results of sun gear fault by SGMD, figureFileSmall=E8FoBKNqDBQT9M3KcLpQrw==, figureFileBig=DRDgQJkJl8ySvzGrOdMj+Q==, tableContent=null), ArticleFig(id=1228724647479411253, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图20, caption=
SGMD方法对太阳轮故障的分析结果, figureFileSmall=E8FoBKNqDBQT9M3KcLpQrw==, figureFileBig=DRDgQJkJl8ySvzGrOdMj+Q==, tableContent=null), ArticleFig(id=1228724647550714422, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.21, caption=
Analysis results of sun gear fault signal by FSK, figureFileSmall=ELNrqbONO001D0nq/HSCFg==, figureFileBig=+xh8mOf9XpUQVoBOybhMJQ==, tableContent=null), ArticleFig(id=1228724647617823287, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图21, caption=
快速谱峭度方法对太阳轮故障的分析结果, figureFileSmall=ELNrqbONO001D0nq/HSCFg==, figureFileBig=+xh8mOf9XpUQVoBOybhMJQ==, tableContent=null), ArticleFig(id=1228724647684932152, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.22, caption=
Planetary gear fault signal under variable operating conditions, figureFileSmall=HfRVQDgQX/e1oXyah7xfDw==, figureFileBig=vd4HkSrj/ofnw4F4aQcn2Q==, tableContent=null), ArticleFig(id=1228724647764623929, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图22, caption=
变工况下行星轮故障信号, figureFileSmall=HfRVQDgQX/e1oXyah7xfDw==, figureFileBig=vd4HkSrj/ofnw4F4aQcn2Q==, tableContent=null), ArticleFig(id=1228724647831732794, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.23, caption=
Scale space spectral division results, figureFileSmall=wdvl0vfoy+zMPmWjutNPqg==, figureFileBig=TnvI28aBOlxsxuI4mIwi0w==, tableContent=null), ArticleFig(id=1228724647903035963, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图23, caption=
尺度空间谱划分结果, figureFileSmall=wdvl0vfoy+zMPmWjutNPqg==, figureFileBig=TnvI28aBOlxsxuI4mIwi0w==, tableContent=null), ArticleFig(id=1228724647970144828, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.24, caption=
IFMD decomposition results of planetary gear fault signal, figureFileSmall=3LU1duKXwfFKwf0Frq4+Xg==, figureFileBig=k/BvP0CqXMmp8cIEWa/ugw==, tableContent=null), ArticleFig(id=1228724648041447997, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图24, caption=
行星轮故障信号的IFMD分解结果, figureFileSmall=3LU1duKXwfFKwf0Frq4+Xg==, figureFileBig=k/BvP0CqXMmp8cIEWa/ugw==, tableContent=null), ArticleFig(id=1228724648116945470, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.25, caption=
Processing results of the proposed method on planetary gear fault, figureFileSmall=0nKBEisbrpUViz9OGWxCSw==, figureFileBig=VXYpsp8zUpYh3AB+2pX/OA==, tableContent=null), ArticleFig(id=1228724648184054335, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图25, caption=
本文所提方法对行星轮故障处理结果, figureFileSmall=0nKBEisbrpUViz9OGWxCSw==, figureFileBig=VXYpsp8zUpYh3AB+2pX/OA==, tableContent=null), ArticleFig(id=1228724648259551808, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.26, caption=
Analysis results of planetary gear fault by PSO-VMD, figureFileSmall=OJ7A/ShhbhJThWPPIYfryQ==, figureFileBig=0Bkk8DJlgyh7vLnyjISnzQ==, tableContent=null), ArticleFig(id=1228724648330854977, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图26, caption=
PSO-VMD方法对行星轮故障的分析结果, figureFileSmall=OJ7A/ShhbhJThWPPIYfryQ==, figureFileBig=0Bkk8DJlgyh7vLnyjISnzQ==, tableContent=null), ArticleFig(id=1228724648410546754, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.27, caption=
Analysis results of planetary gear fault by MED, figureFileSmall=Nps6E0oMwLQwrWPR3gPE2A==, figureFileBig=DvURTAYAj4Urp3yJn8ZEDA==, tableContent=null), ArticleFig(id=1228724648477655619, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图27, caption=
MED方法对行星轮故障的分析结果, figureFileSmall=Nps6E0oMwLQwrWPR3gPE2A==, figureFileBig=DvURTAYAj4Urp3yJn8ZEDA==, tableContent=null), ArticleFig(id=1228724648544764484, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.28, caption=
Analysis results of planetary gear fault by SGMD, figureFileSmall=WeGS0a6WyGcppiITdA0ALw==, figureFileBig=vi+RA7vfsG29mYoFAGQzuw==, tableContent=null), ArticleFig(id=1228724648611873349, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图28, caption=
SGMD方法对行星轮故障的分析结果, figureFileSmall=WeGS0a6WyGcppiITdA0ALw==, figureFileBig=vi+RA7vfsG29mYoFAGQzuw==, tableContent=null), ArticleFig(id=1228724648666399302, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Fig.29, caption=
Analysis results of planetary gear fault by FSK, figureFileSmall=DJHRL3M0q3fGE+TLhC0Muw==, figureFileBig=0TvANDKghvSWjnTRQVtcgw==, tableContent=null), ArticleFig(id=1228724648729313863, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=图29, caption=
快速谱峭度方法对行星轮故障的分析结果, figureFileSmall=DJHRL3M0q3fGE+TLhC0Muw==, figureFileBig=0TvANDKghvSWjnTRQVtcgw==, tableContent=null), ArticleFig(id=1228724648796422728, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Tab.1, caption=
Numerical simulation of sun gear fault signal under variable operating conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
 | 2 |  | 1.4 |
 | 0.06 |  | 3.4 |
 | 0 |  | 6.6 |
 | 0.3 |  | 180 |
 | 0.2 | /Hz | 1000 |
), ArticleFig(id=1228724648876114505, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=表1, caption=
变工况下太阳轮故障仿真数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
 | 2 |  | 1.4 |
 | 0.06 |  | 3.4 |
 | 0 |  | 6.6 |
 | 0.3 |  | 180 |
 | 0.2 | /Hz | 1000 |
), ArticleFig(id=1228724648943223370, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Tab.2, caption=
Planetary gearbox configuration parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 齿轮 | 齿数 |
|---|
| 太阳轮 | 20 |
| 行星轮(数量) | 40(3) |
| 齿圈 | 100 |
), ArticleFig(id=1228724649022915147, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=表2, caption=
行星齿轮箱结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 齿轮 | 齿数 |
|---|
| 太阳轮 | 20 |
| 行星轮(数量) | 40(3) |
| 齿圈 | 100 |
), ArticleFig(id=1228724649094218316, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=EN, label=Tab.3, caption=
Characteristic frequencies of planetary gearbox under variable operating conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数/Hz | 数值 |
|---|
啮合阶次 | 16.67 |
太阳轮旋转阶次 | 1.00 |
行星架转频阶次 | 0.17 |
太阳轮故障阶次 | 2.50 |
行星轮故障阶次 | 0.42 |
), ArticleFig(id=1228724649165521485, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228653709513654908, language=CN, label=表3, caption=
变工况下行星齿轮箱中的特征阶次
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数/Hz | 数值 |
|---|
啮合阶次 | 16.67 |
太阳轮旋转阶次 | 1.00 |
行星架转频阶次 | 0.17 |
太阳轮故障阶次 | 2.50 |
行星轮故障阶次 | 0.42 |
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