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KONTAKTLOSER RADIALPOSITIONSSENSOR MIT VERBESSERTEM ANSPRECHVERHALTEN AUF ZIELDEFEKTE | CAPTEUR DE POSITION RADIALE SANS CONTACT AYANT UN COMPORTEMENT DE RÉPONSE AMÉLIORÉ AUX DÉFAUTS DE CIBLE | CONTACTLESS RADIAL POSITION SENSOR HAVING IMPROVED RESPONSE BEHAVIOR TO TARGET DEFECTS

Patentnummer:EP3517896B1
IPC Hauptklasse:G01D000520
Anmelder:
Erfinder:
Anmeldung:30.01.18
Offenlegung:30.01.18
Patenterteilung:30.12.20

Abstract / Hauptanspruch
A contactless electromagnetic sensor (1) for determining a radial position of a rotor comprises a transducer (100) that comprises one or more coils. Excitation circuitry is connected to the transducer to energize the transducer. Processing circuitry derives at least one position signal indicative of a radial position of the rotor based on the transducer signals. In order to enable simplified compensation for disturbance signals resulting from target imperfections, the coils have a sensitivity to a target material that varies sinusoidally along the circumferential direction.

EP3517896B1


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