Design of a two-Degree-of-Freedom Controller for a Magnetic Levitation System Based on LQG Technique
Keywords:
LQG, Kalman filter, Magnetic levitation, Integral action, two-degree-of freedomAbstract
A new control design procedure has been proposed in this paper based on the LQG control design. A two degree of freedom controller with integral action is obtained and tested on the magnetic levitation system, which is a good test-bed for control design because of its nonlinearity and unstability with practical uses in high-speed transportation and magnetic bearings. Simulations are performed under MATLAB environment and included to highlight that the proposed controller accurately achieves position tracking for different kinds of reference inputs
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