Mathematical Problems in Engineering / 2018 / Article / Tab 5

Research Article

Electric-Parameter-Based Inversion of Dynamometer Card Using Hybrid Modeling for Beam Pumping System

Table 5

Comparison of the prediction results with the three data-driven models by RMSE and MAE.

Predictive methodsRMSEMAE

IFS-DDKOS-ELM model1.43651.1780
LS-SVM model3.48732.9140
KOS-ELM model2.51952.1492