WO2008081092A3 - Dispositif et procede de mesure de la position d'une piece mobile - Google Patents
Dispositif et procede de mesure de la position d'une piece mobile Download PDFInfo
- Publication number
- WO2008081092A3 WO2008081092A3 PCT/FR2007/001949 FR2007001949W WO2008081092A3 WO 2008081092 A3 WO2008081092 A3 WO 2008081092A3 FR 2007001949 W FR2007001949 W FR 2007001949W WO 2008081092 A3 WO2008081092 A3 WO 2008081092A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetic
- magnetic field
- node
- measuring
- mobile part
- Prior art date
Links
Classifications
-
- 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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
- G01D5/2006—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/2033—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
-
- 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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
- G01D5/22—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 by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/2208—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 by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils
- G01D5/2241—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 by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils by controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Ce dispositif de mesure de la position d'une pièce mobile (4) comporte : au moins un noyau magnétique (10) apte à moduler l'amplitude d'un champ magnétique d'excitation en fonction de l'amplitude d'un champ magnétique à mesurer, ce noyau magnétique présentant un cycle magnétique de l'induction magnétique en fonction du champ magnétique dépourvu d'hystérésis dans une plage de fonctionnement [Hmin; Hmax], dans lequel le cycle magnétique du noyau magnétique (10) se caractérise en ce que la valeur absolue de la dérivée troisième de l'induction magnétique par rapport au champ magnétique est maximale pour un champ magnétique nul.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07870345A EP2097719A2 (fr) | 2006-11-29 | 2007-11-28 | Dispositif et procede de mesure de la position d'une piece mobile |
US12/516,641 US8076932B2 (en) | 2006-11-29 | 2007-11-28 | Device and method for measuring the position of a mobile part |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0610436A FR2909169B1 (fr) | 2006-11-29 | 2006-11-29 | Dispositif et procede de mesure de la position d'une piece mobile. |
FR0610436 | 2006-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008081092A2 WO2008081092A2 (fr) | 2008-07-10 |
WO2008081092A3 true WO2008081092A3 (fr) | 2008-09-12 |
Family
ID=38461961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2007/001949 WO2008081092A2 (fr) | 2006-11-29 | 2007-11-28 | Dispositif et procede de mesure de la position d'une piece mobile |
Country Status (4)
Country | Link |
---|---|
US (1) | US8076932B2 (fr) |
EP (1) | EP2097719A2 (fr) |
FR (1) | FR2909169B1 (fr) |
WO (1) | WO2008081092A2 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2953028B1 (fr) * | 2009-11-26 | 2012-04-20 | Billanco | Capteur de circulation de champs magnetiques equipe d'un moyen de verification, et procede de verification d'un tel capteur. |
US8892184B2 (en) * | 2010-10-18 | 2014-11-18 | Siemens Medical Solutions Usa, Inc. | Systems and methods for reducing interference in a dual modality imaging system |
FR2971852B1 (fr) * | 2011-02-17 | 2014-02-14 | Neelogy | Procede de mesure de courant au moyen d'un capteur de circulation de champs magnetiques de forme specifique, et systeme obtenu a partir d'un tel procede. |
JP2013217914A (ja) * | 2012-03-12 | 2013-10-24 | Ferrotec Corp | 電流センサ、センサ素子および制御装置 |
US20150369880A1 (en) * | 2014-06-18 | 2015-12-24 | Texas Instruments Incorporated | Inductive sensing based on b-h curve nonliniarity |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2230966A1 (fr) * | 1973-05-21 | 1974-12-20 | Siemens Ag | |
EP0664400A1 (fr) * | 1993-12-22 | 1995-07-26 | Munsch Kunststoff-Schweisstechnik GmbH | Pompe à entraînement magnétique |
WO2005088257A2 (fr) * | 2004-03-08 | 2005-09-22 | Micro-Epsilon Messtechnik Gmbh & Co. Kg | Systeme de mesure de deplacement fonctionnant sans contact |
FR2873807A1 (fr) * | 2004-07-27 | 2006-02-03 | Electricfil Automotive Soc Par | Capteur magnetique de position sans contact |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6046585A (en) * | 1997-11-21 | 2000-04-04 | Quantum Design, Inc. | Method and apparatus for making quantitative measurements of localized accumulations of target particles having magnetic particles bound thereto |
US7054118B2 (en) * | 2002-03-28 | 2006-05-30 | Nve Corporation | Superparamagnetic field sensing devices |
JP4066716B2 (ja) * | 2002-05-28 | 2008-03-26 | アイシン精機株式会社 | 位置検出センサ |
BRPI0607124A2 (pt) * | 2005-02-01 | 2009-08-04 | Nct Engineering Gmbh | sensor de posição e máquina de lavar |
US7116100B1 (en) * | 2005-03-21 | 2006-10-03 | Hr Textron, Inc. | Position sensing for moveable mechanical systems and associated methods and apparatus |
-
2006
- 2006-11-29 FR FR0610436A patent/FR2909169B1/fr not_active Expired - Fee Related
-
2007
- 2007-11-28 WO PCT/FR2007/001949 patent/WO2008081092A2/fr active Application Filing
- 2007-11-28 US US12/516,641 patent/US8076932B2/en not_active Expired - Fee Related
- 2007-11-28 EP EP07870345A patent/EP2097719A2/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2230966A1 (fr) * | 1973-05-21 | 1974-12-20 | Siemens Ag | |
EP0664400A1 (fr) * | 1993-12-22 | 1995-07-26 | Munsch Kunststoff-Schweisstechnik GmbH | Pompe à entraînement magnétique |
WO2005088257A2 (fr) * | 2004-03-08 | 2005-09-22 | Micro-Epsilon Messtechnik Gmbh & Co. Kg | Systeme de mesure de deplacement fonctionnant sans contact |
FR2873807A1 (fr) * | 2004-07-27 | 2006-02-03 | Electricfil Automotive Soc Par | Capteur magnetique de position sans contact |
Also Published As
Publication number | Publication date |
---|---|
WO2008081092A2 (fr) | 2008-07-10 |
US8076932B2 (en) | 2011-12-13 |
FR2909169A1 (fr) | 2008-05-30 |
US20100072986A1 (en) | 2010-03-25 |
FR2909169B1 (fr) | 2009-02-06 |
EP2097719A2 (fr) | 2009-09-09 |
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