WO2004061391A3 - Methods and apparatus for automatic magnetic compensation - Google Patents

Methods and apparatus for automatic magnetic compensation Download PDF

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Publication number
WO2004061391A3
WO2004061391A3 PCT/US2003/041817 US0341817W WO2004061391A3 WO 2004061391 A3 WO2004061391 A3 WO 2004061391A3 US 0341817 W US0341817 W US 0341817W WO 2004061391 A3 WO2004061391 A3 WO 2004061391A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic field
vehicle
earth
magnetometer
methods
Prior art date
Application number
PCT/US2003/041817
Other languages
French (fr)
Other versions
WO2004061391A2 (en
Inventor
Mark T Manfred
James E Lenz
Randolph G Hartman
Kevin D Vanderwerf
Lawrence C Vallot
Original Assignee
Honeywell Int 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 Honeywell Int Inc filed Critical Honeywell Int Inc
Priority to AU2003303602A priority Critical patent/AU2003303602A1/en
Publication of WO2004061391A2 publication Critical patent/WO2004061391A2/en
Publication of WO2004061391A3 publication Critical patent/WO2004061391A3/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/38—Testing, calibrating, or compensating of compasses

Abstract

A method for characterizing distortions in the earth’s magnetic field caused by a vehicle (10) having a magnetometer (12) affixed therein is described. The method includes repeatedly measuring (52) the distorted magnetic field utilizing (62) the magnetometer and obtaining (54) a three-dimensional orientation of the vehicle axes with respect to the earth at a time of each magnetometer measurement. The method also includes receiving (56) undistorted earth magnetic field data for the vicinity of the vehicle relative to the earth at the time of each magnetometer measurement and characterizing (58) distortions caused by one or more of the vehicle and magnetometer errors utilizing the magnetic field measurements, the orientations of the vehicle, and the undistorted earth magnetic field data.
PCT/US2003/041817 2002-12-30 2003-12-22 Methods and apparatus for automatic magnetic compensation WO2004061391A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003303602A AU2003303602A1 (en) 2002-12-30 2003-12-22 Methods and apparatus for automatic magnetic compensation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US43698002P 2002-12-30 2002-12-30
US60/436,980 2002-12-30
US10/724,974 US6860023B2 (en) 2002-12-30 2003-12-01 Methods and apparatus for automatic magnetic compensation
US10/724,974 2003-12-01

Publications (2)

Publication Number Publication Date
WO2004061391A2 WO2004061391A2 (en) 2004-07-22
WO2004061391A3 true WO2004061391A3 (en) 2004-08-26

Family

ID=32659464

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/041817 WO2004061391A2 (en) 2002-12-30 2003-12-22 Methods and apparatus for automatic magnetic compensation

Country Status (3)

Country Link
US (2) US6860023B2 (en)
AU (1) AU2003303602A1 (en)
WO (1) WO2004061391A2 (en)

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CN110207684B (en) * 2019-07-11 2021-10-15 中航通飞华南飞机工业有限公司 Automatic calibration system and method for outfield of airborne radio compass

Also Published As

Publication number Publication date
US6860023B2 (en) 2005-03-01
AU2003303602A1 (en) 2004-07-29
US7146740B2 (en) 2006-12-12
US20040123474A1 (en) 2004-07-01
US20050138825A1 (en) 2005-06-30
WO2004061391A2 (en) 2004-07-22

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