KPCA-ESN Soft-Sensor Model of Polymerization Process Optimized by Biogeography-Based Optimization Algorithm

Table 2

Corresponding relation between biogeography mathematical model and BBO algorithm variables.

Biogeography mathematical model	Biogeography-based optimization (BBO) algorithm
Habitat	Individual
Habitat suitability index (HSI)	Fitness of the individual
Suitability index variables (SIVs)	Individual variables
High HSI habitats	Excellent individual