Mathematical Problems in Engineering / 2018 / Article / Tab 3

Research Article

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

Table 3

Comparison of performance indicators between predictive value and actual value.

Predictive valueActual valueTest error (%)

Maximum load (kN)82.8782.220.7905
Minimum load (kN)44.4944.320.3835
Area of dynamometer card67.044567.25650.3152