Improvement of Adaptive GAs and Back Propagation ANNs Performance in Condition Diagnosis of Multiple Bearing System Using Grey Relational Analysis

Table 1

Multiple bearings specifications [22].

Bearing	Inside diameter (inches)	Outside diameter (inches)	Thickness (inches)	Ball diameter (inches)	Pitch diameter (inches)
DE bearing	0.9843	2.0472	0.5906	0.3126	1.537
FE bearing	0.6693	1.5748	0.4724	0.2656	1.122