Data Preprocessing Method and Fault Diagnosis Based on Evaluation Function of Information Contribution Degree

Table 3

Accuracy of fault diagnosis for different weights.

Original Data T	Accuracy of fault diagnosis (%)
	Unweighted		Original weight		Updated weight
		SPE		SPE		SPE
0.99T	98	50	4	42	98	66
1.00T	100	78	100	100	100	84
1.02T	98	50	4	42	98	68
1.05T	98	50	4	42	98	68