Abstract
Active Magnetic Bearing (AMB) moves the rotor in the air with the influence of electromagnetic field developed by current carrying coils. The utilization of different active magnetic bearing appliances like Turbo molecular pumps, Gears, Flywheels, Maglev systems etc. are expanding in industrial application due to prompt advancement in the field of electronics and control algorithms. Finite Element method permits numerical analysis for this kind of systems. In this paper, a 2 Dimensional software simulation of an axial AMB system has been performed using COMSOL. The state space system matrices are extracted and a linear time invariant state space system is constructed in MATLAB. The state space system is then reduced using Krylov projection. The output responses for original and reduced model agree in terms of given inputs. Therefore, this paper presents an alternative way of using reduced order modelling instead of direct solving the modelling of axial active magnetic bearing.
Published Version
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