Life Analysis of Fan Spindle Bearing based on Grey Markov Algorithm
Zhang Han,Wu Jianxin,Qiu Yiqing,Chen Qiang
Table 2
The bearing state of the main shaft of the wind turbine
Wear state
State interval
State
A
(0~0.2)
Normal
B
(0.2~0.4)
Light
C
(0.4~0.7)
Moderate
D
(0.7~1)
Severe
E
>1
Need replace