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Theses

Conception de commandes sécurisées de volet roulant sans capteur de vitesse

Abstract : The single-phase induction motor is widely used for capacity of less than the kW in applications where the price is an important consideration, particularly for rolling shutters. For safety reasons, these applications require an early detection of obstacles and thus it is necessary to implement a speed sensor. In a preoccupation of cost saving, one tries to estimate the speed on the basis of voltage and current measurements, in order to economize on the speed sensor. The first part of our work deals with the study and realization of different power supplies : Capacitor-run single-phase induction motor or static converter supply. In a second part, the static and transient modeling of the motor and the rolling shutter (shutter, gears and brake) has provided the electromagnetic characteristics of the geared motor and the mechanical behavior of the load. The parameters of these models have been identified and the results have been discussed. In the third part, from these models, different strategies have been devised and validated for detecting the arrival of a rolling shutter on the abutment, implementing a soft stop on obstacles and limiting the torque. A low cost electronic command board has been realized.
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  • HAL Id : tel-00838016, version 1

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Frédéric Ferreyre. Conception de commandes sécurisées de volet roulant sans capteur de vitesse. Autre. Université Claude Bernard - Lyon I, 2010. Français. ⟨NNT : 2010LYO10137⟩. ⟨tel-00838016⟩

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