ES2079204T3 - Procedimiento para la compensacion de un campo magnetico de interferencias en un vehiculo. - Google Patents

Procedimiento para la compensacion de un campo magnetico de interferencias en un vehiculo.

Info

Publication number
ES2079204T3
ES2079204T3 ES92918130T ES92918130T ES2079204T3 ES 2079204 T3 ES2079204 T3 ES 2079204T3 ES 92918130 T ES92918130 T ES 92918130T ES 92918130 T ES92918130 T ES 92918130T ES 2079204 T3 ES2079204 T3 ES 2079204T3
Authority
ES
Spain
Prior art keywords
radius
interference
calculated
values
measured
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
ES92918130T
Other languages
English (en)
Inventor
Markus Brehler
Patrick Feigen
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Application granted granted Critical
Publication of ES2079204T3 publication Critical patent/ES2079204T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Navigation (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Body Structure For Vehicles (AREA)
  • Window Of Vehicle (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

SISTEMA PARA COMPENSAR LAS INTERFERENCIAS DEBIDAS A UN CAMPO MAGNETICO EN UN VEHICULO EQUIPADO PARA NAVEGACION. SE CALCULAN LOS PARAMETROS DE LA INTERFERENCIA A PARTIR DE LAS MEDIDAS DEL CAMPO MAGNETICO CREADO EN UN RECORRIDO DE CALIBRACION INICIAL (VECTOR DEL CAMPO INTERFERENTE V1, EJES A, B DEL LUGAR GEOMETRICO DE LOS PUNTOS DE LA CURVA ELIPTICA E1, POSICION OBLICUA), Y SE TRANSFORMAN EN EL LUGAR GEOMETRICO DE LOS PUNTOS DE UNA CURVA CIRCULAR DE RADIO A CON RESPECTO AL PUNTO CERO (0); PARA CADA PAR DE MEDIDAS SE CALCULAN LA DISTANCIA DESDE EL PUNTO CERO (0) Y EL ANGULO. SE OBTIENE LA MEDIA SE LOS RADIOS CALCULADOS Y LOS PARES DE MEDIDAS TRANSFORMADOS CIRCULARMENTE (MP), SIENDO INTRODUCIDOS EN LAS CORRESPONDIENTES CELULAS DE MEMORIA, EN UNA MEMORIA SEGMENTADA EN 360 ELULAS DE MEMORIA (REGION ANGULAR PREDETERMINADA). VARIANTE 1: PARA CADA SEGMENTO, LA DIFERENCIA ENTRE RADIOS ( ) SE CALCULA DE LA MEDIA DE RADIOS Y EL RADIO (A) Y SE FILTRA.; DE ESTE VALOR SE CALCULA EL MAXIMO (MAX) SEGUN LA DIRECCION Y LA CANTIDAD Y EL NUEVO PUNTO CENTRAL (M2) DE LA CURVA (K2) Y DE AHI EL NUEVO VECTOR DE INTERFERENCIA (V2=V1+V''). LA DISTANCIA DE LAS MEDIDAS (MP) SE CALCULA DE M2 Y SE COMPARA CON EL RADIO; SI CONCUERDA, LA COMPENSACION SE EFECTUA CON EL NUEVO VECTOR DE INTERFERENCIA (V2). VARIANTE 2: SE CALCULA UNA LINEA RECTA (G) A PARTIR DE LOS VALORES MEDIOS X E Y MEDIANTE UNA REGRESION LINEAL. SE DETERMINA EL COEFICIENTE DE CORRELACION Y SE COMPARA CON EL UMBRAL HALLADO EMPIRICAMENTE; SI EL COEFICIENTE DE CORRELACION ES SUPERIOR AL UMBRAL, EL PUNTO CENTRAL (P) DEL SEGMENTO (S1,S2) ES CALCULADO MEDIANTE LOS PARES DE MEDIDAS (MP). SE DIBUJAN LA PERPENDICULAR (L) HACIA EL ORIGEN (0) POR EL PUNTO CENTRAL (P), Y EL RADIO (A) DEL CIRCULO, EL EXTREMO DEL RADIO FORMANDO EN PUNTO CENTRAL (M2) DE LA NUEVA CURVA (CIRCULO K2) (NUEVO VECTOR DEL CAMPO INTERFERENTE V2).
ES92918130T 1991-09-17 1992-08-27 Procedimiento para la compensacion de un campo magnetico de interferencias en un vehiculo. Expired - Lifetime ES2079204T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91115776 1991-09-17

Publications (1)

Publication Number Publication Date
ES2079204T3 true ES2079204T3 (es) 1996-01-01

Family

ID=8207157

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92918130T Expired - Lifetime ES2079204T3 (es) 1991-09-17 1992-08-27 Procedimiento para la compensacion de un campo magnetico de interferencias en un vehiculo.

Country Status (7)

Country Link
US (1) US5581899A (es)
EP (2) EP0657746A3 (es)
AT (1) ATE130673T1 (es)
DE (1) DE59204446D1 (es)
DK (1) DK0604466T3 (es)
ES (1) ES2079204T3 (es)
WO (1) WO1993006434A1 (es)

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DE4234651C1 (de) * 1992-10-14 1994-02-17 Mannesmann Kienzle Gmbh Verfahren zur Ermittlung des Gierwinkels eines Fahrzeuges
US5761094A (en) * 1996-01-18 1998-06-02 Prince Corporation Vehicle compass system
DE19743471A1 (de) * 1997-10-01 1999-04-08 Mannesmann Vdo Ag Verfahren zur Filterung von Meßdaten eines Magnetfeldsensors
US6445178B1 (en) 1999-02-24 2002-09-03 Donnelly Corporation Vehicular magnetic displacement sensor for determining an offset in the output of the sensor
US6513252B1 (en) * 1999-04-08 2003-02-04 Donnelly Corporation Vehicle compass compensation
US6301794B1 (en) * 1999-05-27 2001-10-16 Johnson Controls, Inc. Vehicle compass system with continuous automatic calibration
JP4040930B2 (ja) * 2002-08-26 2008-01-30 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁場均一化方法および装置
US20080066331A1 (en) * 2003-02-24 2008-03-20 Johnson Controls Technology Company Magnetometer correction system and method
US7225551B2 (en) * 2004-04-07 2007-06-05 Siemens Vdo Automotive Corporation Electronic compass and method for tracking vehicle rotation
KR100792514B1 (ko) * 2005-01-14 2008-01-10 삼성전자주식회사 이동물체의 방향검출방법 및 시스템
JP4787359B2 (ja) * 2007-05-24 2011-10-05 旭化成エレクトロニクス株式会社 物理量計測装置および物理量計測方法
GB0905298D0 (en) * 2009-03-27 2009-05-13 Qinetiq Ltd Apparatus and method for ferromagnetic object detector
CN102510994B (zh) * 2009-09-26 2014-01-08 阿尔卑斯电气株式会社 地磁检测装置
CN101806595B (zh) * 2010-04-19 2012-01-04 美新半导体(无锡)有限公司 一种两维电子指南针校准方法
EP2447667B1 (en) 2010-10-26 2015-11-11 BlackBerry Limited System and method for calibrating a magnetometer according to a quality threshold
US8676528B2 (en) 2011-02-08 2014-03-18 Blackberry Limited System and method for calibrating an accelerometer
US9366537B2 (en) * 2012-10-15 2016-06-14 Gentex Corporation Magnetic field compensation system and method thereof
CN104237822B (zh) * 2013-06-20 2018-10-19 意法半导体(中国)投资有限公司 用于电子磁力计传感器的补偿磁干扰
JP5937137B2 (ja) * 2014-05-09 2016-06-22 アルプス電気株式会社 地磁気検出装置
DE102016225140B3 (de) * 2016-12-15 2017-12-07 Audi Ag Verfahren zum Bestimmen einer relativen Position eines Kraftfahrzeugs, Positionsbestimmungssystem für ein Kraftfahrzeug und Kraftfahrzeug
US10921153B2 (en) * 2018-10-05 2021-02-16 Honeywell International In. System and method to construct a magnetic calibration (MAG-CAL) pattern for depicting the progress of a calibration of a magnetometer of an aircraft displayed by a cockpit display
DE102020105253A1 (de) * 2020-02-28 2021-09-02 Schaeffler Technologies AG & Co. KG Verfahren zum Bestimmen einer Winkelposition einer Welle bei einem vorhandenen Störfeld
CN114325848B (zh) * 2021-12-14 2024-11-19 北京大学 补偿系数自适应修正的航空磁干扰补偿方法及其装置
CN121186664B (zh) * 2025-11-24 2026-02-27 成都云智北斗科技有限公司 一种基于多特征融合的磁力计干扰检测方法和装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484079A1 (fr) * 1980-06-05 1981-12-11 Crouzet Sa Procede de compensation des perturbations magnetiques dans la determination d'un cap magnetique, et dispositif pour la mise en oeuvre de ce procede
JPS601510A (ja) * 1983-06-17 1985-01-07 Honda Motor Co Ltd 車載地磁気センサの補正方法
US4797841A (en) * 1983-11-28 1989-01-10 Magnavox Government And Industrial Electronics Company Method and apparatus for automatic calibration of magnetic compass
DE3509548A1 (de) * 1985-03-16 1986-09-18 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur ermittlung der fahrtrichtung eines fahrzeuges mit elektronischem kompass
US4622843A (en) * 1985-12-27 1986-11-18 Hormel Ronald F Simplified calibration technique and auto ranging circuit for an electronic compass control circuit
JPH07111348B2 (ja) * 1986-06-05 1995-11-29 日本電装株式会社 方位検出装置の出力補正装置
DE3644681A1 (de) * 1986-12-30 1988-07-14 Bosch Gmbh Robert Navigationsverfahren fuer fahrzeuge mit elektronischem kompass
US4807462A (en) * 1987-04-03 1989-02-28 Chrysler Motors Corporation Method for performing automatic calibrations in an electronic compass
JPH07101174B2 (ja) * 1989-01-06 1995-11-01 日産自動車株式会社 車両用方位計
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JPH0833301B2 (ja) * 1990-04-12 1996-03-29 松下電器産業株式会社 地磁気センサの着磁補正法

Also Published As

Publication number Publication date
DE59204446D1 (de) 1996-01-04
EP0604466B1 (de) 1995-11-22
ATE130673T1 (de) 1995-12-15
EP0657746A2 (de) 1995-06-14
EP0604466A1 (de) 1994-07-06
WO1993006434A1 (de) 1993-04-01
US5581899A (en) 1996-12-10
EP0657746A3 (de) 1995-11-22
DK0604466T3 (da) 1996-02-19

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