基于变分模态分解与形态学分形的压缩机故障诊断方法  

Fault Diagnosis Method of Compressor Based on Variational Mode Decomposition and Morphological Fractal

作　　者：李玉倩[1] LI Yu-qian(Daqing PetroChina Company Water&Gas Plant,Daqing 163711,China)

机构地区：[1]大庆石化公司水气厂污水联合车间

出　　处：《压缩机技术》2019年第5期20-24,共5页Compressor Technology

摘　　要：往复压缩机被广泛应用于石油化工、冶金、矿业、电力的行业,是工业过程的核心设备。为保证工业生产平稳有序进行,有必要对其开展检测与诊断工作。利用变分模态分解(VMD)与形态学分形相结合的方法,可以提高往复压缩机常见故障的识别准确率,该方法对往复压缩机运行的安全性与平稳性有重要的现实意义。Reciprocating compressor is widely used in the industry of petrochemical,metallurgy,mining and electric power,which is the core equipment of industrial process.In order to ensure the smooth and orderly industrial production,it is necessary to carry out testing and diagnosis work.The method of variational mode decomposition(VMD)and morphological fractal can improve the recognition accuracy of common faults recognition of reciprocating compressors,and this method has important practical significance for the safety and stability of reciprocating compressors.

关 键 词：往复压缩机 变分模态分解 形态学分形 故障诊断 

分 类 号：TH457[机械工程—机械制造及自动化]