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Global stability of linearizing control with a new robust nonlinear observer of the induction motor

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Chenafa M., Mansouri A., Bouhenna A., Etien E., Belaidi A., Denai M. A.

International Journal of Applied Mathematics and Computer Science

2005

tom 15

nr 2

235-243

This paper mainly deals with the design of an advanced control law with an observer for a special class of nonlinear systems. We design an observer with a gain as a function of speed. We study the solution to the output feedback torque and rotor flux-tracking problem for an induction motor model given in the natural frame. We propose a new robust nonlinear observer and prove the global stability of the interlaced controller-observer system. The control algorithm is studied through simulations and applied in many configurations (various set points, flux and speed profiles and torque disturbances), and is shown to be very efficient.

Ograniczanie wyników

1 International Journal of Applied Mathematics and Computer Science

1 Belaidi A.

1 Bouhenna A.

1 Chenafa M.

1 Denai M. A.

1 Etien E.

1 Mansouri A.

1 2005

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Global stability of linearizing control with a new robust nonlinear observer of the induction motor