Research on Fault Diagnosis Based on Singular Value Decomposition and Fuzzy Neural Network

Table 3

Detection sample.

Wear degree of crankshaft bearing	Signal
Normal state	Group 1	106.6085	78.1076	51.9938	21.4124	13.9582
	Group 2	104.2226	79.5154	54.2490	23.5038	12.2369
	Group 3	102.3797	75.3013	54.9141	26.9316	14.4099
Slight wear	Group 1	217.1926	59.1240	36.0639	27.7408	16.1523
	Group 2	215.0976	63.3503	37.8884	28.2991	19.0441
	Group 3	217.9721	64.7321	37.0377	27.6948	15.9726
Severe wear	Group 1	246.6129	97.0573	39.1976	27.3352	17.0874
	Group 2	242.2781	103.4151	41.3402	27.5708	17.8415
	Group 3	253.2741	88.1292	40.9097	27.4871	15.9595