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Output feedback controller using the high gain observerand the immersion technique for an induction motor

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3 Author(s)
Chehimi, H. ; Dept. of Electr. Eng., Nat. Eng. Sch. of Monastir, Monastir, Tunisia ; Hadj Saïd, S. ; M'Sahli, F.

This work deals with the synthesis of an output feedback predictive controller for an induction motor. The theoretical study showed the possibility of solving the control law design problem by taking into account input constraints. Furthermore, the unavailable state variables of the system are recovered by the incorporation of an observer. Two important titles in the design feature are worth to be emphasized. The first one consists in identification of electrical parameters by the immersion technique. The second consists in using the high gain observer (HGO) to perform on-line an accurate estimation of the mechanical speed, load torque and the rotor fluxes. The global scheme involves a design of a sensorless output feedback predictive controller. Simulation results for an induction motor are addressed to show the effectiveness of the control design method.

Published in:

Systems Signals and Devices (SSD), 2010 7th International Multi-Conference on

Date of Conference:

27-30 June 2010