G - Physics – 01 – P
Patent
G - Physics
01
P
G01P 3/487 (2006.01)
Patent
CA 2566909
The invention concerns a device for determining the position (.theta.(t)) of the rotor (4) of a rotating electrical machine. The invention is characterized in that said device comprises a plurality of magnetic field sensors (52u, 52v, 52w) stationary relative to the stator (8) and adapted to deliver multiphase electric signals (su, sv, sW) representing a magnetic field detected by said sensors, and means for processing (MC) said multiphase electric signals by an operator ([M]) capable of providing diphase signals (sin.theta.(t), cos.theta.(t)) depending on said position. The invention is applicable to rotating electrical machines used in the automotive industry.
Dispositif de détermination de la position (.theta.(t)) du rotor (4) d'une machine électrique tournante. Selon l'invention, ledit dispositif comprend une pluralité de capteurs (52u, 52v, 52w) de champ magnétique fixes par rapport au stator (8) et aptes à délivrer des signaux électriques multiphasés (su, sv, sW) représentatifs d'un champ magnétique détectés par lesdits capteurs, et des moyens de traitement (MC) desdits signaux électriques multiphasés par un opérateur ([M]) apte à fournir deux signaux diphasés (sin.theta.(t), cos.theta.(t)) dépendant de ladite position. Application aux machines électriques tournantes utilisées dans l'industrie automobile.
Chemin Michael
Konan Gilbert
Leroux Frederic
Robic
Valeo Equipements Electriques Moteur
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