Research Article

Improved GSO Optimized ESN Soft-Sensor Model of Flotation Process Based on Multisource Heterogeneous Information Fusion

Figure 9

Predictive results of soft-sensor models (GA-ESN, PSO-ESN, and IGSO-ESN).
262368.fig.009a
(a) Concentrate grade
262368.fig.009b
(b) Flotation recovery rate