Research on the Dynamic Erosion Wear Characteristics of a Nozzle Flapper Pressure Servo Valve Used in Aircraft Brake System

Table 2

The comparison between simulation and experiment.

Performance index	Simulation value	Experiment valve	Error (%)
Rise time (ms)	44	43	2.27
Fall time (ms)	45	47	4.44
Overshoot	0	0	0.00
Steady-state error	0	0	0.00
Linearity	2.8%	3%	7.14
Hysteresis	2%	1.80%	10.0
Dead zone (mA)	3.2	3.5	9.38