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1. WO2020109383 - ROTATION ANGLE SENSOR HAVING TWO SENSOR SIGNALS AND OPERATING METHOD

Publication Number WO/2020/109383
Publication Date 04.06.2020
International Application No. PCT/EP2019/082742
International Filing Date 27.11.2019
IPC
G01D 5/14 2006.01
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
G01D 3/028 2006.01
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
3Measuring arrangements with provision for the special purposes referred to in the subgroups of this group
028mitigating undesired influences, e.g. temperature, pressure
G01D 5/244 2006.01
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
244influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
CPC
G01D 3/028
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
3Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
028mitigating undesired influences, e.g. temperature, pressure
G01D 5/145
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
142using Hall-effect devices
145influenced by the relative movement between the Hall device and magnetic fields
G01D 5/24433
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
244influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
24428Error prevention
24433by mechanical means
G01D 5/24471
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
244influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
24471Error correction
Applicants
  • ZF FRIEDRICHSHAFEN AG [DE]/[DE]
Inventors
  • KWANDT, Manuel
  • GRIES, Jürgen
Priority Data
10 2018 220 667.830.11.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) DREHWINKELSENSOR MIT ZWEI SENSORSIGNALEN UND BETRIEBSVERFAHREN
(EN) ROTATION ANGLE SENSOR HAVING TWO SENSOR SIGNALS AND OPERATING METHOD
(FR) CAPTEUR D'ANGLE DE ROTATION À DEUX SIGNAUX DE CAPTEUR ET PROCÉDÉ DE FONCTIONNEMENT
Abstract
(DE)
Eine Sensoranordnung (8) zur Ermittlung eines Drehwinkels (WE) eines diametral magnetisierten Magneten (6) um eine Drehachse (12) relativ zu einem Grundträger (14), enthält zwei Sensoren (18a,b) an unterschiedlichen Umfangspositionen (UP- aa,b) mit Radialabstand (Ara,b) zur Drehachse (12) zur Erfassung von Tangential- (KTa,b) und Axialkomponenten (KAa,b) des Messfeldes (16) des Magneten (6), und eine Auswerteeinheit (28) zur Ermittlung des Drehwinkels (WE) aus den Komponenten anhand einer Arcustangens-Funktion. Bei einem Verfahren zur Ermittlung des Drehwinkels (WE) werden mit den Sensoren (18a,b) die Komponenten erfasst und aus diesen anhand einer Arcustangens-Funktion der Drehwinkel (WE) ermittelt.
(EN)
The invention relates to a sensor arrangement (8) for determining a rotation angle (WE) of a diametrically magnetized magnet (6) about a rotation axis (12) relative to a main support (14), containing two sensors (18a, b) at different circumferential positions (UP- aa, b) having a radial distance (Ara, b) to the rotation axis (12) in order to detect tangential (KTa, b) and axial components (KA, b) of the measurement field (16) of the magnet (6), and an evaluating unit (28) for determining the rotation angle (WE) from the components based on an arctangent function. In a method for determining the rotation angle (WE), the components are detected by the sensors (18a, b) and the rotation angle (WE) is determined therefrom based on an arctangent function.
(FR)
L'invention concerne un dispositif de capteurs (8) destiné à déterminer un angle de rotation (WE) d'un aimant (6) magnétisé de façon diamétrale autour d'un axe de rotation (12) par rapport à un support de base (14), comportant deux capteurs (18a, b) à des positions périphériques différentes (UP-aa, b) à un écart radial (Ara, b) par rapport à l'axe de rotation (12) pour détecter des composantes tangentielles (KTa, b) et axiales (KAa, b) du champ de mesure (16) de l'aimant (6), et une unité d'évaluation (28) pour déterminer l'angle de rotation (WE) à partir des composantes sur la base d'une fonction arc-tangente. Dans un procédé de détermination de l'angle de rotation, les composantes sont déterminées au moyen des capteurs (18a, b) et l'angle de rotation (WE) est déterminé à partir des composantes sur la base d'une fonction arc-tangente.
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