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 value	Actual value	Test error (%)
Maximum load (kN)	82.87	82.22	0.7905
Minimum load (kN)	44.49	44.32	0.3835
Area of dynamometer card	67.0445	67.2565	0.3152