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

Table 7

Percentage of increased accuracy and reducing time compared to AGAs-BPNNs without GA.

Number of dominant features	Training (%)	Validation (%)	Testing (%)	Time reduced (%)
5 features	0.1%	5.4%	4.3%	56%
7 features	0.7%	2.9%	0.1%	49.5%