华北电力大学能源动力与机械工程学院,河北,保定,071000
网络首发:2015-05-10,
纸质出版:2015
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唐贵基, 王晓龙. 参数优化变分模态分解方法在滚动轴承早期故障诊断中的应用[J]. 西安交通大学学报, 2015,49(5):73-81.
Parameter Optimized Variational Mode Decomposition Method with Application to Incipient Fault Diagnosis of Rolling Bearing[J]. 2015, 49(5): 73-81.
唐贵基, 王晓龙. 参数优化变分模态分解方法在滚动轴承早期故障诊断中的应用[J]. 西安交通大学学报, 2015,49(5):73-81. DOI: 10.7652/xjtuxb201505012.
Parameter Optimized Variational Mode Decomposition Method with Application to Incipient Fault Diagnosis of Rolling Bearing[J]. 2015, 49(5): 73-81. DOI: 10.7652/xjtuxb201505012.
针对滚动轴承早期故障特征提取困难的问题
提出一种基于参数优化变分模态分解的轴承早期故障诊断方法。首先利用粒子群优化算法对变分模态分解算法的最佳影响参数组合进行搜索
搜索结束后根据所得结果设定变分模态分解算法的惩罚参数和分量个数
并利用参数优化变分模态分解算法对故障信号进行处理。原故障信号经过处理后被分解为若干本征模态函数分量
由此筛选出最佳信号分量并进行包络解调运算
最终通过分析信号的包络谱可判断轴承的故障类型。利用参数优化变分模态分解方法对轴承故障仿真和实测信号进行分析
均成功提取出微弱特征频率信息
表明参数优化变分模态分解方法可实现滚动轴承早期故障的有效判别
具有一定的可靠性和应用价值。
The fault feature of rolling bearing in early failure period is difficult to extract. An incipient fault diagnosis method for rolling bearing based on parameter optimized variational mode decomposition method was proposed. Particle swarm optimization algorithm was used to search for the best combination of influencing parameters of variational mode decomposition algorithm
the penalty parameter and number of components were then set according to the searching results
and the fault signal was processed by parameter optimized variational mode decomposition algorithm. The original fault signal was decomposed into several intrinsic mode function components. The best signal component was selected and processed by envelope demodulation algorithm
the fault type of bearing was judged by analyzing the envelope spectrum of the signal. The simulated and measured signals of fault bearing were analyzed by parameter optimized variational mode decomposition method and the weak characteristic frequency information was extracted successfully. The results show that the proposed method enables to judge the incipient fault of rolling bearing effectively with desired reliability.
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杨清宇,孙凤伟.一种迭代改进的球向量机故障诊断算法.2013,47(10):1-6.[doi:10.7652/xjtuxb201310001]
夏虎,庄健,于德弘.面向高维特征故障数据的进化软子空间聚类算法.2013,47(5):115-120.[doi:10.7652/xjtuxb2013 05021]
胡小秋,陈维福.角接触球轴承热特性分析及试验.2015,49(2):106-110.[doi:10.7652/xjtuxb201502018]
周子超,王伊卿,吴文武,等.机床主轴轴承热诱导预紧力及刚度计算与实验研究.2015,49(2):111-116.[doi:10.7652/xjtuxb201502019]
金海善,朱爱斌,陈渭.利用改进牛顿-拉夫逊法的高速圆柱滚子轴承打滑分析.2015,49(1):133-138.[doi:10.7652/xjtuxb201501022]
位文明,吕盾,张俊,等.转台轴承静刚度建模及其影响因素分析.2014,48(12):8-14.[doi:10.7652/xjtuxb201412002]
翟强,闫柯,张优云,等.高速角接触球轴承腔内气相流动与传热特性研究.2014,48(12):29-33.[doi:10.7652/xjtuxb 201412005]
陈汝刚,陈韬.温度影响下箔片动压止推轴承分析.2014,48(11):32-36.[doi:10.7652/xjtuxb201411006]
李建栋,朱永生,熊青青,等.定压预紧主轴轴向动态刚度特性研究.2014,48(10):126-130.[doi:10.7652/xjtuxb2014 10020]
易均,刘恒,刘意,等.歪斜安装对组配轴承转子系统动力学特性影响.2014,48(9):107-111.[doi:10.7652/xjtuxb201409 018]
耿涛,孟庆丰,贾谦,等.薄衬层结构滑动轴承润滑膜厚度的超声检测方法.2014,48(8):80-85.[doi:10.7652/xjtuxb 201408014]
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