Hybrid Multiple Soft-Sensor Models of Grinding Granularity Based on Cuckoo Searching Algorithm and Hysteresis Switching Strategy

Table 3

Performance comparison of different soft-sensor models.

Soft-sensor model	Performance
	MPE	MNE	SSE	RMSE
Mechanism model	2.7895	−4.4902	178.002	1.334
BPNN model	3.0189	−3.4657	137.430	1.172
WNN model	2.5782	−2.6213	115.800	1.076
Hybrid model based on HS	2.4001	−2.1960	37.322	0.6109
Hybrid model based on CS and HS	2.4001	1.2835	32.893	0.5735