A Novel Shearer Cutting State Recognition Method Based on Improved Variational Mode Decomposition and LSSVM with Acoustic Signals

Table 1

Optimization results of the simulated signal.

Methods	Position of optimal particle	Optimal IO value
GSA-VMD	[4, 4936]	2.1714 × 10^−4
IGSA-VMD	[4, 4999]	1.3710 × 10^−4