Device for determining the angular position of a rotor of a multi-phase rotating electric machine and rotating electric machine comprising such a device
The device (2) has a tracking loop and a determination unit (221) that determines an estimated value of an angular position of a rotor including two analogue multiplication units (208, 209), rotating magnetic field representing signals, and three sinusoidal signals. A subtraction module (210) subtra...
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| Main Authors | , , |
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| Format | Patent |
| Language | English French German |
| Published |
25.11.2009
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| Subjects | |
| Online Access | Get full text |
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| Abstract | The device (2) has a tracking loop and a determination unit (221) that determines an estimated value of an angular position of a rotor including two analogue multiplication units (208, 209), rotating magnetic field representing signals, and three sinusoidal signals. A subtraction module (210) subtracts results of multiplications such that a following relationship is satisfied. The relationship comprises specific parameters such as real and estimated angular positions, phase differences of the two of sinusoidal signals with respect to a reference mark related to a stator.
L'invention concerne un dispositif de détermination de la position angulaire du rotor d'une machine électrique tournante polyphasée comprenant un stator et une pluralité de capteurs de champ magnétique (200) délivrant des premiers signaux (2001 - 2003) représentatifs d'un champ magnétique. Le dispositif comprend des moyens (201) de génération, à partir de combinaisons linéaires des premiers signaux, de premiers (2010) et deuxième(2011) signaux sinusoïdaux, déphasés d'une valeur déterminée Õ représentant une position angulaire du rotor dite réelle. Le dispositif comprend des moyens de détermination d'une valeur de position angulaire du rotor dite estimée (221) par asservissement entre les positions angulaire réelle et estimée en mettant en oeuvre une boucle de rétroaction dite de "tracking" (214-206, 215-207). L'invention concerne également une machine électrique tournante polyphasée comprenant un tel dispositif. |
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| AbstractList | The device (2) has a tracking loop and a determination unit (221) that determines an estimated value of an angular position of a rotor including two analogue multiplication units (208, 209), rotating magnetic field representing signals, and three sinusoidal signals. A subtraction module (210) subtracts results of multiplications such that a following relationship is satisfied. The relationship comprises specific parameters such as real and estimated angular positions, phase differences of the two of sinusoidal signals with respect to a reference mark related to a stator.
L'invention concerne un dispositif de détermination de la position angulaire du rotor d'une machine électrique tournante polyphasée comprenant un stator et une pluralité de capteurs de champ magnétique (200) délivrant des premiers signaux (2001 - 2003) représentatifs d'un champ magnétique. Le dispositif comprend des moyens (201) de génération, à partir de combinaisons linéaires des premiers signaux, de premiers (2010) et deuxième(2011) signaux sinusoïdaux, déphasés d'une valeur déterminée Õ représentant une position angulaire du rotor dite réelle. Le dispositif comprend des moyens de détermination d'une valeur de position angulaire du rotor dite estimée (221) par asservissement entre les positions angulaire réelle et estimée en mettant en oeuvre une boucle de rétroaction dite de "tracking" (214-206, 215-207). L'invention concerne également une machine électrique tournante polyphasée comprenant un tel dispositif. |
| Author | LOUISE, CHRISTOPHE BERNARD, FRANCOIS-XAVIER DOFFIN, HUGUES |
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| DocumentTitleAlternate | Dispositif de détermination de la position angulaire d'un rotor d'une machine électrique tournante polyphasée et machine électrique tournante comprenant un tel dispositif Vorrichtung zur Bestimmung der Neigungsposition eines Rotors einer mehrphasigen elektrisch umlaufenden Maschine und eine solche Vorrichtung umfassende elektrisch umlaufende Maschine |
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| Notes | Application Number: EP20090159137 |
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| Snippet | The device (2) has a tracking loop and a determination unit (221) that determines an estimated value of an angular position of a rotor including two analogue... |
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| SubjectTerms | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION |
| Title | Device for determining the angular position of a rotor of a multi-phase rotating electric machine and rotating electric machine comprising such a device |
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