Taoufik Ladhari

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This paper addresses the estimation of non-measured states in waste water treatment process. Specifically, the extended Kalman filter has been investigated for this class of nonlinear systems. Of particular interest, it is shown that extended Kalman filter can be applied to estimate the states in our system and provide good estimations for the(More)
In this paper, observers design for a class of nonlinear systems has been investigated. Over the last decades, tremendous research activities focus on observer design for nonlinear systems can be shown through the vast literature in this field. Also, waste water treatment process models have become a major tool to design control schemes. So, a model of(More)
This work is devoted to the synthesis of an observer for induction motor. Indeed, most control laws require a precise knowledge on model at each sampling time. However, the inaccessibility of some states and large variations of some parameters such as the stator and the rotor resistances, during induction motor operating, represent major challenges for(More)
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