基于频谱分析法对旋转机械故障的诊断  

Rotary Machine Fault Diagnosis Based on Spectrum Analysis Method

作　　者：成建生[1] 孙业梅[2] 杨帅[1] 周德廉[1] 

机构地区：[1]淮安信息职业技术学院电气工程系,江苏淮安223003 [2]淮安计量测试所,江苏淮安223003

出　　处：《煤矿机械》2011年第1期253-254,共2页Coal Mine Machinery

摘　　要：频谱分析法对旋转机械故障诊断技术是随现代工业发展而发展起来的设备诊断技术之一,在保障高速运算的前提下对振动信号处理、如何提高信号处理的精度是一个研究重点,FFT-FT算法能够有效的提高运算的精度。基于频谱分析法对大型关键旋转机组进行振动监测及故障分析,便于实时诊断,且诊断结果准确可靠,可节省大量的维修费用,在旋转机械故障诊断领域具有较好的应用前景。Rotary machine fault diagnosis technology based on spectrum analysis method is one of the device diagnostics technologies developing with industry develop. On the premise of ensuring high speed arithmetic, how to improve precision of signal processing is a keystone in vibration signal processing. FFT-FT algorithm can increase effectively operation precision. Vibration test and fault analysis of the large-scale key rotators machine unit based on spectrum analysis method can realize real-time diagnosis conveniently and accurately. It can save abundant maintenance costs. It has tremendous development potential in the rotary machine fault diagnosis field.

关 键 词：频谱分析法 FFT—FT算法 故障诊断 

分 类 号：TP306[自动化与计算机技术—计算机系统结构]