基于虚拟仪器技术的滚动轴承故障诊断的包络分析

Envelope analysis for rolling bearings faults based on virtual instrument technology

分析了滚动轴承典型故障产生机理及其故障特征频率,利用Hilbert变换的包络分析法分析滚动轴承故障特征的思想,并且结合现代虚拟仪器技术设计并开发出实用的齿轮箱滚动轴承故障诊断系统。该诊断系统是我们自主开发的VMIDS系统基础上开发出的智能控件化虚拟式滚动轴承故障诊断系统,在成功完成故障信息提取的同时,能降低系统的成本。

This paper analyzed the principle and characteristic frequency of typical faults of rolling bearings and proposed a diagnosis system for rolling bearings faults which combine modem virtual instrument technology and thought of analyzing rolling bearings faults through Hilbert transform envelop analysis method. This system based on VMIDS, which was developed by Test Center of Chongqing University and can successfully extract faults information as well as cut off the cost of system.