The method of fault recognition is presented based on wavelet packet transform and modified linear classifier,in order to solve feature extracting and feature classifying of rolling bearing diagnosis.

• 为了解决滚动轴承的特征提取和故障特征的模式分类问题,提出了一种应用小波包变换和线性分类器相结合的滚动轴承故障诊断的识别方法。