Method of detecting obstructions caused by motor-driven power windows and similar devices using fuzzy logic algorithms

The mobile element is a vehicle window pane, panel, movable seat or similar, conveniently guided, and driven by a DC electric motor with a permanent magnet, and the method comprises a step of detecting an entrapment or collision situation of the mobile element by means of a first fuzzy logic algorit...

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Bibliographische Detailangaben
Hauptverfasser:	BERENGUER ATILA H, PINO RAFAEL J, GARCIA HERNANDO FRANCISCO J, BIGORRA VIVES JORDI, GALVEZ AGUSTIN G, MERINO PANADES JOSE L, FABREGAS ANTONI F, MARTI JOSEP S, FERRAGUT SEBASTIA B
Format:	Patent
Sprache:	eng
Schlagworte:	CHECKS FOR WINGS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS FIXED CONSTRUCTIONS GENERATION KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	The mobile element is a vehicle window pane, panel, movable seat or similar, conveniently guided, and driven by a DC electric motor with a permanent magnet, and the method comprises a step of detecting an entrapment or collision situation of the mobile element by means of a first fuzzy logic algorithm, which inputs are the mobile element's position and the increments that may occur in the intensity of the current demanded by said motor, which is evaluated from the relative increase of the current intensity at one turn of the motor and after one next, subsequent turn of the motor. A second fuzzy logic algorithm is used to control the mobile element's velocity, in close loop.