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Communication Dans Un Congrès Année : 2014

Nonlinear control of a magnetic levitation shaft by numerical inversion of its behavioral model

Résumé

This paper deals with the stabilization of a magnetically-levitating shaft using a simple, fast, nonlinear dicrete time control approach. The proposed control approach uses an approximate numerical one-step time discretization of the nonlinear plant model behavior obtained from offline simulations. Using that discretization, a control minimizing the distance between the plant output and a reference linear system is computed, leading the system to adopt its dynamical behavior.Since the prediction horizon is limited to one time-step, the execution time of the algorithm can be completely bounded. It can thus easily be implemented and used to control fast electromechanical systems. Experimental results obtained from a laboratory device show the performance and robustness of the proposed controller.
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Dates et versions

hal-01095362 , version 1 (15-12-2014)

Identifiants

  • HAL Id : hal-01095362 , version 1

Citer

Stéphane Bonnet, Jérôme de Miras. Nonlinear control of a magnetic levitation shaft by numerical inversion of its behavioral model. European Control Conference (ECC 2014), Jun 2014, Strasbourg, France. pp.2810 - 2815. ⟨hal-01095362⟩
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