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In order to solve the problem of difficult to accurately extract early faults of solar wheels under the strong noise background, an improved grey wolf algorithm (newGWO) was proposed to optimize and improve the improved complete ensemble empirical mode decomposition with adaptive noise (ICEEMDAN) and the maximum correlated kurtosis deconvolution (MCKD) for early fault feature extraction of solar wheels.NewGWO was used to optimize the selection of parameters of the white noise amplitude weight and noise addition times that affected the decomposition effect.The fault vibration signal was decomposed by newGWO-ICEEMDAN, and the minimum envelope entropy was selected as the fitness function to obtain several related modal components.Then, the envelope spectrum peak factor was selected as the best modal component index. MCKD signals optimized by newGWO were enhanced for the selected optimal intrinsic mode function(IMF)components. Finally, an envelope demodulation analysis was performed on the obtained signals to extract the solar wheel fault characteristic frequency and multiple frequency components. Simulation signals and experiments show that this method can make the early fault impact characteristics more obvious, and realize the early fault characteristic frequency extraction of solar wheels.
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针对在强噪声背景下太阳轮早期故障难以准确提取的问题,提出了一种改进灰狼算法(New Grey Wolf Optimization Algorithm, newGWO)优化改进自适应噪声完备集合经验模态分解(Improved Complete Ensemble Empirical Mode Decomposition with Adaptive Noise, ICEEMDAN)和最大相关峭度解卷积(Maximum Correlated Kurtosis Deconvolution,MCKD)的太阳轮早期故障特征提取方法。采用newGWO优化影响其分解效果的白噪声幅值权重和噪声添加次数的参数选择,对故障振动信号进行newGWO-ICEEMDAN,选择最小包络熵为适应度函数,由此得到若干相关模态分量;然后以包络谱谱峰因子为选取最佳模态分量指标,对选定的最佳本征模态函数(Intrinsic Mode Function, IMF)分量进行经过newGWO优化的MCKD信号增强;最后对所得信号进行包络解调分析,提取太阳轮故障特征频率以及多倍频成分。通过仿真信号以及试验表明,该方法能够使得早期故障冲击特征更加明显,实现了太阳轮早期故障特征频率提取。
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赵乃卓,女,1970年生,辽宁阜新人,硕士,副教授;主要研究方向为机械电子工程;E-mail:zhaonaizhuo@126.com。
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赵乃卓,女,1970年生,辽宁阜新人,硕士,副教授;主要研究方向为机械电子工程;E-mail:zhaonaizhuo@126.com。
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2024(1):61-64.(In Chinese), articleTitle=Research on fault diagnosis of sun wheel based on adaptive sparrow search algorithm, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1241049287384166979, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, xref=null, ext=[AuthorCompanyExt(id=1241049287392555588, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, companyId=1241049287384166979, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Mechanical Engineering, Liaoning Technical University, Fuxin 123000, China), AuthorCompanyExt(id=1241049287405138501, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, companyId=1241049287384166979, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=辽宁工程技术大学 机械工程学院,阜新 123000)])], figs=[ArticleFig(id=1241049294824862410, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 1, caption=
Optimization process of newGWO for ICEEMDAN and MCKD, figureFileSmall=IIG24NwF1AiKY1BoEYNKqg==, figureFileBig=RmM91Y8SunUcBMFms9HReQ==, tableContent=null), ArticleFig(id=1241049295164601042, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图1, caption=
newGWO优化ICEEMDAN、MCKD过程, figureFileSmall=IIG24NwF1AiKY1BoEYNKqg==, figureFileBig=RmM91Y8SunUcBMFms9HReQ==, tableContent=null), ArticleFig(id=1241049295399482079, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 2, caption=
Flow chart of newGWO-ICEEMDAN-MCKD method, figureFileSmall=Cv7yKTHV+35FHc+zLPU6bA==, figureFileBig=11XqskGkLaLbQ5RWUsnsPg==, tableContent=null), ArticleFig(id=1241049295554671330, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图2, caption=
newGWO-ICEEMDAN-MCKD方法流程, figureFileSmall=Cv7yKTHV+35FHc+zLPU6bA==, figureFileBig=11XqskGkLaLbQ5RWUsnsPg==, tableContent=null), ArticleFig(id=1241049295676306150, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 3, caption=
Each component of the simulation signal, figureFileSmall=HaRMivp9tZWOmkVQeYE5bg==, figureFileBig=eMYJEtzFHBcbsGCW6aIaYA==, tableContent=null), ArticleFig(id=1241049295823106795, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图3, caption=
仿真信号各个分量, figureFileSmall=HaRMivp9tZWOmkVQeYE5bg==, figureFileBig=eMYJEtzFHBcbsGCW6aIaYA==, tableContent=null), ArticleFig(id=1241049295915381488, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 4, caption=
Fault simulation signal,Fourier spectrum and envelope spectrum of the solar wheel, figureFileSmall=Gv1knutnvFt6HSEdXl+bBQ==, figureFileBig=uu6lWg+oU50cfhKs3ISDIw==, tableContent=null), ArticleFig(id=1241049295978296050, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图4, caption=
太阳轮故障仿真信号及傅里叶频谱、包络谱, figureFileSmall=Gv1knutnvFt6HSEdXl+bBQ==, figureFileBig=uu6lWg+oU50cfhKs3ISDIw==, tableContent=null), ArticleFig(id=1241049296196399863, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 5, caption=
ICEEMDAN iteration curve optimized by newGWO, figureFileSmall=NmnMPpM1XigkO/bMpVWLLg==, figureFileBig=GPBRvA/Y92ESJaeBUwXP5A==, tableContent=null), ArticleFig(id=1241049296326423293, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图5, caption=
newGWO优化ICEEMDAN迭代曲线, figureFileSmall=NmnMPpM1XigkO/bMpVWLLg==, figureFileBig=GPBRvA/Y92ESJaeBUwXP5A==, tableContent=null), ArticleFig(id=1241049296481612547, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 6, caption=
Decomposition result of ICEEMDAN optimized by newGWO, figureFileSmall=Zwn1jLmeu+H8WEEqRmyRFQ==, figureFileBig=zlOgqVdCUx/cjmcuKhnNYQ==, tableContent=null), ArticleFig(id=1241049296628413190, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图6, caption=
ICEEMDAN经newGWO优化后的分解结果, figureFileSmall=Zwn1jLmeu+H8WEEqRmyRFQ==, figureFileBig=zlOgqVdCUx/cjmcuKhnNYQ==, tableContent=null), ArticleFig(id=1241049296913625869, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 7, caption=
Peak factor of the envelope spectrum of each IMF component, figureFileSmall=IIWtlFyTbgvYTBmBYONFYw==, figureFileBig=IMivUluM/Ck1uTsibMhZ0g==, tableContent=null), ArticleFig(id=1241049297169478416, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图7, caption=
各IMF分量包络谱谱峰因子数值, figureFileSmall=IIWtlFyTbgvYTBmBYONFYw==, figureFileBig=IMivUluM/Ck1uTsibMhZ0g==, tableContent=null), ArticleFig(id=1241049299220493076, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 8, caption=
Envelope spectrum of the optimum modal component, figureFileSmall=bHuXkR25VRHp3JnE3dO9jQ==, figureFileBig=+LqdzfPgMNe2oz2G3GNJWA==, tableContent=null), ArticleFig(id=1241049299312767772, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图8, caption=
最佳模态分量包络谱, figureFileSmall=bHuXkR25VRHp3JnE3dO9jQ==, figureFileBig=+LqdzfPgMNe2oz2G3GNJWA==, tableContent=null), ArticleFig(id=1241049299400848157, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 9, caption=
MCKD iteration curve of newGWO optimization, figureFileSmall=EdldYfqufAu58XfE+/XiBA==, figureFileBig=mqsaihBg+U1UFyE6Me4hdw==, tableContent=null), ArticleFig(id=1241049299581203234, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图9, caption=
newGWO优化MCKD迭代曲线, figureFileSmall=EdldYfqufAu58XfE+/XiBA==, figureFileBig=mqsaihBg+U1UFyE6Me4hdw==, tableContent=null), ArticleFig(id=1241049299820278568, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig.10, caption=
Envelope spectrum of the optimum component enhanced by MCKD, figureFileSmall=YSYd+rvpyUG4VgecWNbvOA==, figureFileBig=1iRfquco1Es2NyJJDRVJVA==, tableContent=null), ArticleFig(id=1241049300092908333, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图10, caption=
经过MCKD增强后最佳分量包络谱, figureFileSmall=YSYd+rvpyUG4VgecWNbvOA==, figureFileBig=1iRfquco1Es2NyJJDRVJVA==, tableContent=null), ArticleFig(id=1241049300227126067, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 11, caption=
Comparison of ICEEMDAN optimized by different algorithms, figureFileSmall=XvJHu2F+DWbFZuTpLCK2Zg==, figureFileBig=av4cweMRB+EiYPB8kmdwyQ==, tableContent=null), ArticleFig(id=1241049300453618490, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图11, caption=
不同算法优化ICEEMDAN对比, figureFileSmall=XvJHu2F+DWbFZuTpLCK2Zg==, figureFileBig=av4cweMRB+EiYPB8kmdwyQ==, tableContent=null), ArticleFig(id=1241049300726248256, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 12, caption=
Comparison of MCKD optimized by different algorithms, figureFileSmall=NWmP2ptJVS1KfsTprchVSg==, figureFileBig=puZhkodFspzxEDL5QcWBPA==, tableContent=null), ArticleFig(id=1241049300814328645, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图12, caption=
不同算法优化MCKD对比, figureFileSmall=NWmP2ptJVS1KfsTprchVSg==, figureFileBig=puZhkodFspzxEDL5QcWBPA==, tableContent=null), ArticleFig(id=1241049300927574857, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 13, caption=
Schematic diagram of the test bench, figureFileSmall=zaTVONErCwT/uIE8JrFFgw==, figureFileBig=5f2HrORk3Jegj46QIXAabg==, tableContent=null), ArticleFig(id=1241049301409919820, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图13, caption=
试验台示意图, figureFileSmall=zaTVONErCwT/uIE8JrFFgw==, figureFileBig=5f2HrORk3Jegj46QIXAabg==, tableContent=null), ArticleFig(id=1241049301581886290, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 14, caption=
Signal results of ICEEMDAN, figureFileSmall=hlVD0etqjU7lo0I4U1labQ==, figureFileBig=+Ue71ECDgvr4okWBfyiOcQ==, tableContent=null), ArticleFig(id=1241049303083447125, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图14, caption=
ICEEMDAN信号结果, figureFileSmall=hlVD0etqjU7lo0I4U1labQ==, figureFileBig=+Ue71ECDgvr4okWBfyiOcQ==, tableContent=null), ArticleFig(id=1241049303267996505, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 15, caption=
Peak factor of the envelope spectrum of each IMF component, figureFileSmall=AGykoUs+5SZuMOWYcs/seQ==, figureFileBig=hxRqutmkuKFyfyGw67fKOw==, tableContent=null), ArticleFig(id=1241049303473517406, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图15, caption=
各IMF分量包络谱谱峰因子值, figureFileSmall=AGykoUs+5SZuMOWYcs/seQ==, figureFileBig=hxRqutmkuKFyfyGw67fKOw==, tableContent=null), ArticleFig(id=1241049303611929441, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 16, caption=
Envelope spectrum of the optimal IMF component, figureFileSmall=9R/HZNEB8Z/ZsCwACHjG+A==, figureFileBig=dsy9nTuCIFNocEekErbpLg==, tableContent=null), ArticleFig(id=1241049303960056679, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图16, caption=
最佳IMF分量包络谱, figureFileSmall=9R/HZNEB8Z/ZsCwACHjG+A==, figureFileBig=dsy9nTuCIFNocEekErbpLg==, tableContent=null), ArticleFig(id=1241049304232686443, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Fig. 17, caption=
Envelope spectrum of IMF4 component enhanced by MCKD, figureFileSmall=mYP0zFOBK/OMIIE9YqBZAQ==, figureFileBig=LKY8+ifPOD8WVeJ1ulcv3w==, tableContent=null), ArticleFig(id=1241049304320766830, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=图17, caption=
经过MCKD增强后IMF4分量包络谱, figureFileSmall=mYP0zFOBK/OMIIE9YqBZAQ==, figureFileBig=LKY8+ifPOD8WVeJ1ulcv3w==, tableContent=null), ArticleFig(id=1241049304400458608, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Tab.1, caption=
Test structure parameters
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齿轮 Gear | 太阳轮 Solar wheel | 行星轮(数量) Planetary wheel(number) | 齿圈 Gear ring |
|---|
齿数 Teeth number | 20 | 40(3) | 100 |
), ArticleFig(id=1241049304509510517, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=表1, caption=
试验结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
齿轮 Gear | 太阳轮 Solar wheel | 行星轮(数量) Planetary wheel(number) | 齿圈 Gear ring |
|---|
齿数 Teeth number | 20 | 40(3) | 100 |
), ArticleFig(id=1241049304702448505, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=EN, label=Tab.2, caption=
Characteristic frequency of solar wheel
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| 参数Parameter | 数值Value |
|---|
| 啮合频率Mesh frequency | 333.33 |
太阳轮绝对转频fsr Absolute rotating frequency of solar wheel | 20 |
太阳轮故障特征频率fs Fault character frequency of solar wheel | 50 |
), ArticleFig(id=1241049304891192188, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241049263682154600, language=CN, label=表2, caption=
太阳轮特征频率
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| 参数Parameter | 数值Value |
|---|
| 啮合频率Mesh frequency | 333.33 |
太阳轮绝对转频fsr Absolute rotating frequency of solar wheel | 20 |
太阳轮故障特征频率fs Fault character frequency of solar wheel | 50 |
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