Design of a Discrete Tracking Controller for a Magnetic Levitation System: A Nonlinear Rational Model Approach

Table 1

Physical parameters of the magnetic levitation system.

Parameter	Symbol	Value
Mass of the small metal ball	[kg]
Steady-state coil current	[A]
Coil inductance	[H]
Coil resistance	[Ω]
Inductive coupling constant	[Nm^2/A^2]
Gravitational constant	[m/s^2]
Steady-state gap between the electromagnet and the ball	[m]	0.008