FR2689978B1 - Procédé de compensation de température pour la mesure de la valeur d'une inductance. - Google Patents

Procédé de compensation de température pour la mesure de la valeur d'une inductance.

Info

Publication number
FR2689978B1
FR2689978B1 FR9209704A FR9209704A FR2689978B1 FR 2689978 B1 FR2689978 B1 FR 2689978B1 FR 9209704 A FR9209704 A FR 9209704A FR 9209704 A FR9209704 A FR 9209704A FR 2689978 B1 FR2689978 B1 FR 2689978B1
Authority
FR
France
Prior art keywords
inductance
measuring
value
temperature compensation
compensation method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
FR9209704A
Other languages
English (en)
Other versions
FR2689978A1 (fr
Inventor
Paul H Nielsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vickers Inc
Original Assignee
Vickers Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vickers Inc filed Critical Vickers Inc
Priority to FR9209704A priority Critical patent/FR2689978B1/fr
Publication of FR2689978A1 publication Critical patent/FR2689978A1/fr
Application granted granted Critical
Publication of FR2689978B1 publication Critical patent/FR2689978B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2611—Measuring inductance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2200/00—Condition of lubricant
    • F16N2200/04—Detecting debris, chips, swarfs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2210/00—Applications
    • F16N2210/08—Aircraft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2230/00—Signal processing
    • F16N2230/02—Microprocessor; Microcomputer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2250/00—Measuring
    • F16N2250/32—Inductive

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR9209704A 1991-02-22 1992-08-05 Procédé de compensation de température pour la mesure de la valeur d'une inductance. Expired - Lifetime FR2689978B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9209704A FR2689978B1 (fr) 1991-02-22 1992-08-05 Procédé de compensation de température pour la mesure de la valeur d'une inductance.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65911091A 1991-02-22 1991-02-22
FR9209704A FR2689978B1 (fr) 1991-02-22 1992-08-05 Procédé de compensation de température pour la mesure de la valeur d'une inductance.

Publications (2)

Publication Number Publication Date
FR2689978A1 FR2689978A1 (fr) 1993-10-15
FR2689978B1 true FR2689978B1 (fr) 1995-02-03

Family

ID=26229643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9209704A Expired - Lifetime FR2689978B1 (fr) 1991-02-22 1992-08-05 Procédé de compensation de température pour la mesure de la valeur d'une inductance.

Country Status (1)

Country Link
FR (1) FR2689978B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0610362D0 (en) * 2006-05-13 2006-07-05 Martin Graham Ferrous mass accumulation debris sensor
DE102008024616A1 (de) * 2008-05-21 2009-11-26 Manroland Ag Verfahren zum Betreiben einer Druckmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568563A (en) * 1979-07-02 1981-01-28 Toshiba Corp Measuring device for reactance change
EP0049304B1 (fr) * 1980-10-07 1985-05-29 Micro-Epsilon Messtechnik GmbH & Co. Kommanditgesellschaft Procédé de compensation d'erreurs dues à la température dans des circuits de mesure à courant alternatif, en particulier dans des appareils de mesure de distance, et dispositif pour réaliser cette méthode
US4878019A (en) * 1985-05-02 1989-10-31 Aeroquip Corporation Electrical sensing system for measuring ferrous particles within a fluid with temperature compensation circuit
JPS6439502A (en) * 1987-08-05 1989-02-09 Man Design Co Length measuring instrument

Also Published As

Publication number Publication date
FR2689978A1 (fr) 1993-10-15

Similar Documents

Publication Publication Date Title
FR2706036B1 (fr) Capteur de pression pour haute température.
FR2683627B1 (fr) Dispositif de mesure pour la mesure continue de denivellations ondulatoires d'un rail.
RO86234A (fr) Procede pour la preparation des derives d'acylo0ypurines substitues
DE69208421D1 (de) Optisches Messsystem zur Ermittlung des Profils eines Gegenstandes
RO81173A (fr) Procede pour la preparation des derives de delta2-1,2,4-triazolin-5-one
FR2673288B1 (fr) Detecteur d'anomalie de temperature pour appareil electronique.
FR2485729B1 (fr) Pyrometre thermographique pour mesurer a distance la temperature d'un objet
FR2683909B1 (fr) Capteur pour determiner la constante dielectrique ou la resistivite d'un liquide en ecoulement.
RO79840A (fr) Procede pour la preparation de grenailles stabilisees a teneur d'ammonium
FR2515216B1 (fr) Procede de solidification de materiaux tels que des semi-conducteurs, des dielectriques ou des materiaux magnetiques
PT69928A (fr) Procede pour la preparation de nouveaux derives d'imidazole
FR2559773B1 (fr) Procede pour la fabrication de l'ester methylique d'a-l-aspartyl-l-phenylalanine ou son halohydrate
FR2665535B1 (fr) Procede et dispositif pour determiner la temperature d'un organe de machine chauffe par induction ou transformation.
FR2689978B1 (fr) Procédé de compensation de température pour la mesure de la valeur d'une inductance.
BE859325A (fr) Procede pour la chloration dirigee d'alcoylbenzenes
FR2662161B1 (fr) Procede pour le dedoublement de derives d'acide 3-(phenyl 4-substitue)-glycidique.
FR2698443B1 (fr) Procédé et appareil pour mesurer par ellipsométrie la température d'un objet, notamment semi-conducteur.
FR2511681B1 (fr) Procede pour la preparation de derives de 3-exo-methylenecephame
BE891222A (fr) Capteur de rayonnement pour mesurer les temperatures de materiaux en vrac chauds, notamment d'enrobes bitumineux
RO85812A (fr) Procede pour la preparation des derives d'azolylpentene
FR2690524B1 (fr) Procede de compensation en temperature d'un pont de jauges de mesure de pression.
OA07052A (fr) Procédé et installation pour la fabrication d'un produit allongé en aluminium.
BE889585A (fr) Element de plaque pour la voute d'un four industriel.
FR2689239B1 (fr) Dispositif de mesure de la dilatation thermique d'un echantillon.
FR2517964B1 (fr) Nouveau procede de preparation d'huile de chrysalide