变工况下基于自适应深度置信网络的轴承智能故障诊断

马航宇, 周笛, 卫宇杰, 吴伟, 潘尔顺

Intelligent Bearing Fault Diagnosis Based on Adaptive Deep Belief Network Under Variable Working Conditions

MA Hangyu, ZHOU Di, WEI Yujie, WU Wei, PAN Ershun

图2 基于固定学习步长的平移不变特征提取示意图

Fig.2 Schematic diagram of shift-invariant feature extraction based on fixed learning step size