METHOD OF DETECTING OBSTRUCTIONS CAUSED BY ELECTRIC WINDOWS AND SIMILAR DEVICES USING CURRENT RIPPLE

METHOD OF DETECTING OBSTRUCTIONS CAUSED BY ELECTRIC WINDOWS AND SIMILAR DEVICES USING CURRENT RIPPLE

A method for controlled management of a movable element actuated by an electric motor, with anti-nipping or crushing security, and the program used, which movable element is guided and actuated by a DC permanent magnet multipolar electric motor, characterized by comprising the following steps: acqui...

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Hauptverfasser: FERRE FABREGAS, ANTONI, GARCIA HERNANDO, FRANCISCO, JAVIER, MERINOS PANADES, JOSE LUIS, BOTA FERRAGUT, SEBASTIA, JIMENEZ PINO, RAFAEL, BIGORRA VIVES, JORDI, SAMITIER MARTI, JOSEP
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator FERRE FABREGAS, ANTONI
GARCIA HERNANDO, FRANCISCO, JAVIER
MERINOS PANADES, JOSE LUIS
BOTA FERRAGUT, SEBASTIA
JIMENEZ PINO, RAFAEL
BIGORRA VIVES, JORDI
SAMITIER MARTI, JOSEP
description A method for controlled management of a movable element actuated by an electric motor, with anti-nipping or crushing security, and the program used, which movable element is guided and actuated by a DC permanent magnet multipolar electric motor, characterized by comprising the following steps: acquiring the consumption intensity of the electric motor; sampling of said intensity at a frequency which permits identifying the intensity response of each inductor; calculating an average intensity of the motor; obtaining the angular rotation velocity of the motor from the ripple of the current curve of the motor; obtaining a parameter Fr representative of the force applied on said movable element, calculated with said average intensity and angular velocity; and acquiring and evaluating the variation of said parameter Fr throughout time and detecting a nipping or crushing situation if said variation exceeds a predetermined threshold and is maintained for more than a predetermined time period.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title METHOD OF DETECTING OBSTRUCTIONS CAUSED BY ELECTRIC WINDOWS AND SIMILAR DEVICES USING CURRENT RIPPLE
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