ResPubID25896, feedback, fuzzy control, interpolation, magnetic bearings, magnetic variables control, observers, open loop systems, stability, variable structure systems, FLC, VSC, analytical designed sliding mode controllers, dynamic output feedback controls, fuzzy logic controller, magnetic bearing system stabilisation, nonminimum phase open-loop unstable MBC500,  simplex type dynamic output feedback variable structure control, steady-state responses, transient responses, magnetic levitation, mathematical models, simulation