Spatial Information Entropy and Its Application in the Degradation State Identification of Hydraulic Pump

Table 4

State identification result of normal samples.

Samples		1	2	3	4	⋯	48	49	50
Results		Normal	Normal	Normal	Normal	⋯	Normal	Normal	Normal
Wearing degree	Normal	0.9973	0.8397	0.8293	0.9454	⋯	0.98	0.881	0.8696
	0.1 mm	0.0016	0.0835	0.0884	0.0354	⋯	0.0126	0.0636	0.0692
	0.16 mm	6.2e – 4	0.0393	0.042	0.0109	⋯	0.0041	0.0287	0.0316
	0.26 mm	3.1e – 4	0.0225	0.0242	0.0052	⋯	0.002	0.0161	0.0178
	0.48 mm	1.7e − 4	0.015	0.0161	0.0031	⋯	0.0013	0.0106	0.0118