Control of a magnetic levitation system using feedback linearization

Dynamics of a magnetic levitation system are usually unstable and complicated. Therefore, a good controller is needed to achieve high-precision positioning of a ferromagnetic ball. This paper presents control of a magnetic levitation using exact feedback linearization controller. The dynamics of the system is analyzed by Euler-Lagrange. The mathematical model of the system shows that nonlinear. The original nonlinear system is transformed into an equivalent linear system using feedback linearization technique. The controller is simulated using matlab. The simulation results show that the controlled output can follow desire reference.