Vibration Tendency Prediction Approach for Hydropower Generator Fused with Multiscale Dominant Ingredient Chaotic Analysis, Adaptive Mutation Grey Wolf Optimizer, and KELM

Table 5

Promotion percentage of the proposed model compared with the contrastive models.

Extant models vs proposed	Promoting percentages
	(%)	(%)	(%)
SVR	94.29	94.13	94.15
KELM	93.69	93.40	93.36
EMD-KELM	90.83	90.61	90.54
VMD-KELM	65.35	66.36	66.21
EMD-SSA-PSR-KELM	83.97	82.82	82.71
VMD-SSA-PSR-KELM	50.28	47.75	47.80