Research Article
An Incremental Learning Ensemble Strategy for Industrial Process Soft Sensors
Table 2
The changes in the soft sensor accuracy during the learning process of the ILES.
| Dataset | Iteration | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Update | OS-ELM |
| K1 | 95% | 95% | 95% | 96% | 95% | 95% | 97% | 95% | 95% | 95% | 56% | K2 | | 94% | 94% | 96% | 94% | 95% | 95% | 94% | 94% | 94% | 68% | K3 | | | 96% | 95% | 96% | 96% | 95% | 95% | 96% | 97% | 64% | K4 | | | | 97% | 96% | 94% | 95% | 95% | 96% | 95% | 62% | K5 | | | | | 96% | 94% | 96% | 95% | 95% | 96% | 66% | K6 | | | | | | 95% | 95% | 97% | 96% | 96% | 70% | K7 | | | | | | | 96% | 96% | 95% | 96% | 80% | K8 | | | | | | | | 93% | 94% | 94% | 88% | K9 | | | | | | | | | 94% | 95% | 88% | Update set | | | | | | | | | | 96% | 88% | Testing set | 83.2% | 85% | 85.1% | 87% | 90% | 91% | 91.8% | 92% | 93.2% | 95% | 90% |
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