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| A New Method of Machinery Fault Diagnosis Based onMultifractal Detrended Fluctuation Analysis |
| WANG Shu-tao,LI Mei-mei,ZHANG Shu-qing,ZHANG Jin-min,ZHAO Yu-chun |
| Institute of Electrical Engineering, Yanshan University, Measurement Technology and Instrumentation Key Lab of Hebei Province, Qinhuangdao,Hebei 066004, China |
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Abstract Aiming at the complex features of the fault signal of rotating machinery such as nonstationary and nonlinearity, a new method of machinery fault diagnosis based on multifractal detrended fluctuation analysis (MF-DFA) was introduced. The original signal is proceed by the MF-DFA , then the fractal parameters (the area of multifractal spectrum and multifractal entropy) were extracted as new criterions to diagnose machinery faults. Results of experimental analysis indicate that the method is effective and it provides a new way in fault diagnosis machinery of rotating machinery.
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［1］ 戴桂平．基于EMD近似熵和DAGSVM的机械故障诊断［J］. 计量学报,2010,31(5):467-471．
［2］谢平,王欢,杜义浩．基于EMD和Wigner-Ville分布的机械故障诊断方法研究［J］. 计量学报,2010,31(5):390-394.
［3］张文斌,周晓军,林勇,等. 基于谐波小波包方法的旋转机械故障信号提取［J］. 振动与冲击,2009,28(3):87-89.
［4］陈予恕. 机械故障诊断的非线性动力学原理［J］.机械工程学报,2007,43(1):25-34.
［5］毛永芳,秦树人,秦毅. 重分配谱图和多窗谱在机械故障诊断中的应用［J］. 振动与冲击,2009,28(1):161-165.
［6］Kantelhardt J M,Zschiegner S A,Koscielny B E,et al. Multifractal detrended fluctuation analysis of nonstationary time series［J］.Physica A,2002,316(1-4):87-114.
［7］Norouzzadeh P,Rahmani B. A multifractal detrended fluctuation description of Iranian rial-US dollar exchange rate［J］. Physica A,2006,367:328-336.
［8］Telesca L,Lapenna V. Measuring multifractality in seismic sequences［J］. Tectonophysics,2006,423(1-4):115-123.
［9］葛家怡,周鹏,赵欣,等．睡眠脑电信号的多重分形去趋势波动分析［J］.天津大学学报,2008,41(10):1148-1151.
［10］袁平平,于建玲,商朋见．股市时间序列的多重分形消除趋势分析［J］.北京交通大学学报,2007,31(6):69-72.
［11］谢平,杜义浩. 基于信息熵的转子动力特征分析与诊断方法研究［J］. 振动与冲击,2009,28(2):77-81．
［12］Bashan A,Bartsch R,Kantelhardt J W,et al. Comparison of detrending methods for fluctuation analysis［J］. Physica A,2008,387(21):5080-5090. |
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2012, Vol. 33 
