Description of Parameters

Value with Unit

mass of the steel ball (m)

0.02 kg

Acceleration due to gravity (g)

9.81 m/s²

Equilibrium value of current (i₀)

0.8 A

Equilibrium value of position (h₀)

0.009 m

Control voltage to coil current gain (C₁)

1.05 A/V

IR sensor gain (C₂), offset

143.48 V/m, −2.8 V

Control input voltage level (v)

±5 V

Sensor output voltage level (h_v)

+1.25 to −3.75 V