FR3143733B1 - Système de détermination d’au moins un paramètre de rotation d’un organe tournant - Google Patents

Système de détermination d’au moins un paramètre de rotation d’un organe tournant Download PDF

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Publication number
FR3143733B1
FR3143733B1 FR2213879A FR2213879A FR3143733B1 FR 3143733 B1 FR3143733 B1 FR 3143733B1 FR 2213879 A FR2213879 A FR 2213879A FR 2213879 A FR2213879 A FR 2213879A FR 3143733 B1 FR3143733 B1 FR 3143733B1
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France
Prior art keywords
groups
determining
forming
rotating member
rotation parameter
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Active
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FR2213879A
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English (en)
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FR3143733A1 (fr
Inventor
Cécile Flammier
Christophe Duret
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NTN Europe SA
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NTN SNR Roulements SA
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Priority to FR2213879A priority Critical patent/FR3143733B1/fr
Publication of FR3143733A1 publication Critical patent/FR3143733A1/fr
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical 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
    • G01D5/12—Mechanical 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 using electric or magnetic means
    • G01D5/14—Mechanical 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 using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical 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 using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical 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 using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical 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
    • G01D5/12—Mechanical 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 using electric or magnetic means
    • G01D5/244—Mechanical 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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24428—Error prevention
    • G01D5/24433—Error prevention by mechanical means
    • G01D5/24438—Special design of the sensing element or scale
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles
    • G01D2205/773—Spiral profiles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

L’invention concerne un système de détermination d’au moins un paramètre de rotation d’un organe tournant, ledit système comprenant : un codeur (1) formant une piste magnétique (2) présentant Npp paires de pôles magnétiques Nord et Sud qui sont séparés par 2Npp transitions (3) s’étendant chacune suivant une spirale d’Archimède ; un capteur de rotation comprenant deux groupes (4, 5) de deux éléments sensibles (4a, 4b, 5a, 5b) formant des signaux respectivement SIN et COS, lesdits groupes étant décalés angulairement d’un angle α qui est agencé pour que les signaux SIN et COS soient en quadrature, les éléments sensibles (4a, 4b, 5a, 5b) de chacun des groupes (4, 5) étant diamétralement opposés en formant entre eux un angle de π. Figure 1
FR2213879A 2022-12-19 2022-12-19 Système de détermination d’au moins un paramètre de rotation d’un organe tournant Active FR3143733B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2213879A FR3143733B1 (fr) 2022-12-19 2022-12-19 Système de détermination d’au moins un paramètre de rotation d’un organe tournant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2213879 2022-12-19
FR2213879A FR3143733B1 (fr) 2022-12-19 2022-12-19 Système de détermination d’au moins un paramètre de rotation d’un organe tournant

Publications (2)

Publication Number Publication Date
FR3143733A1 FR3143733A1 (fr) 2024-06-21
FR3143733B1 true FR3143733B1 (fr) 2025-03-14

Family

ID=86099843

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FR2213879A Active FR3143733B1 (fr) 2022-12-19 2022-12-19 Système de détermination d’au moins un paramètre de rotation d’un organe tournant

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FR (1) FR3143733B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4675298A3 (fr) * 2024-07-02 2026-01-28 Honeywell International Inc. Capteur de champ magnétique désaxé

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309027A1 (de) * 2003-03-01 2004-09-16 Micro-Hybrid Electronic Gmbh Absolut messende Winkelmeßeinrichtung
FR2852400B1 (fr) 2003-03-14 2005-06-24 Capteur magnetoresistif comprenant un element sensible ferromagnetique/antiferromagnetique
FR2879737B1 (fr) 2004-12-17 2007-03-09 Snr Roulements Sa Capteur de position a boucle de courant et roulement equipe d'un tel capteur
DE102005042616B4 (de) * 2005-09-07 2010-07-08 Bourns, Inc., Riverside Drehstellungssensor
FR3055959B1 (fr) * 2016-09-13 2018-10-12 Ntn Snr Roulements Systeme de determination d’au moins un parametre de rotation d’un organe tournant
FR3078775B1 (fr) 2018-03-12 2020-04-03 Ntn-Snr Roulements Systeme de determination d'au moins un parametre de rotation d'un organe tournant

Also Published As

Publication number Publication date
FR3143733A1 (fr) 2024-06-21

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