Remaining Useful Life Prediction of Rolling Bearings Using Electrostatic Monitoring Based on Two-Stage Information Fusion Stochastic Filtering

Table 2

State transition probabilities.

	State 1: normal state	State 2: initial degradation state	State 3: severe degradation state
State 1: normal state	0.8853	0.1147	0
State 2: initial degradation state	0	0.7537	0.2463
State 3: severe degradation state	0	0	1