A Fault Diagnosis Model Based on LCD-SVD-ANN-MIV and VPMCD for Rotating Machinery

Table 4

Feature variables of seven conditions of vibration signals.

Different running condition	Feature variables
	Normal condition	1.5508	1.3899	0.7705	0.6698
Inner-race fault with fault diameter of 0.007 inches	11.3170	5.2801	3.9301	2.3817
Outer-race fault with fault diameter of 0.007 inches	24.0114	5.7474	3.0605	1.9921
Ball fault with fault diameter of 0.007 inches	6.3502	1.2586	1.0221	0.8439
Inner-race fault with fault diameter of 0.021 inches	20.8725	3.2570	2.7492	2.0920
Outer-race fault with fault diameter of 0.021 inches	23.6590	5.9063	4.4414	3.6721
Ball fault with fault diameter of 0.021 inches	4.3274	1.3387	1.1446	0.9301