Assembly Quality Inspection of Combine Harvester Based on Whale Algorithm Optimization LSSVM

Table 4

Correlation coefficient.

Condition	IMF1	IMF2	IMF3	IMF4	IMF5	IMF6
Normal state	1	0.8407	0.3838	0.2473	0.2041	0.1215
Auger fault	1	0.8255	0.3968	0.3623	0.2358	0.1259
Cutter fault	1	0.7882	0.4042	0.2903	0.2274	0.1966
Transmiss-ion fault	1	0.8064	0.4067	0.2826	0.2532	0.1819