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Article Dans Une Revue IEEE Transactions on Industrial Electronics Année : 2008

Sensorless induction motor: high order sliding mode controller and adaptative interconnected observer

Résumé

An adaptive interconnected observer and high order sliding mode (HOSM) control of Induction Motors (IMs) without mechanical sensors (speed sensor and load torque sensor) are proposed. The adaptive interconnected observer estimates fluxes, angular velocity, load torque and the stator resistance. The speed-flux control law is an original HOSM one: a sliding manifold is designed in order to ensure finite-time convergence of sliding variable and its high order time derivatives to zero in spite of uncertainties and perturbations. Stability based on Lyapunov theory is proved to guarantee the "observer-controller" stability. A contribution of the paper is the validation of the observer-controller for realistic three cases with nominal value of the external load disturbance : at low speed, at high speed, and under conditions of unobservability (low frequencies). Robustness with respect to parameters variations is proved and experimentally verified.

Domaines

Automatique
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Dates et versions

hal-00626502 , version 1 (26-09-2011)

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  • HAL Id : hal-00626502 , version 1

Citer

Dramane Traore, Franck Plestan, Alain Glumineau, Jesus de Leon Morales. Sensorless induction motor: high order sliding mode controller and adaptative interconnected observer. IEEE Transactions on Industrial Electronics, 2008, 55 (11), pp.3818-3827. ⟨hal-00626502⟩
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