Feed-Forward Neural Network Soft-Sensor Modeling of Flotation Process Based on Particle Swarm Optimization and Gravitational Search Algorithm

Table 1

Soft-sensor modeling data of flotation process.

Number	Auxiliary variables					Dominant variables
	Feed concentration (%)	Feed flow (m^3/h)	Feed grade (%)	Feed granularity (%)	Medicament flow (L/min)	Concentrate grade (%)	Recovery rate (%)
1	62.76	329	35	90	15.5	70.51	97.7
2	63.67	297	35	90	11.5	69.74	97.2
3	65.07	285	37	92	11.3	69.69	97.0
4	65.48	214	36	95	7.5	68.98	93.5
600	65.9	310	36	96	5.5	67.29	90.2