AU2003239117A1 - Saw tooth bias modulation and loop closure for an interferometric fiber optic gyroscope - Google Patents

Saw tooth bias modulation and loop closure for an interferometric fiber optic gyroscope Download PDF

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Publication number
AU2003239117A1
AU2003239117A1 AU2003239117A AU2003239117A AU2003239117A1 AU 2003239117 A1 AU2003239117 A1 AU 2003239117A1 AU 2003239117 A AU2003239117 A AU 2003239117A AU 2003239117 A AU2003239117 A AU 2003239117A AU 2003239117 A1 AU2003239117 A1 AU 2003239117A1
Authority
AU
Australia
Prior art keywords
sensing coil
coupler
phase
source
signal
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.)
Abandoned
Application number
AU2003239117A
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English (en)
Inventor
Charles Lange
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.)
Honeywell International Inc
Original Assignee
Honeywell International 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 International Inc filed Critical Honeywell International Inc
Publication of AU2003239117A1 publication Critical patent/AU2003239117A1/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/721—Details, e.g. optical or electronical details

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
AU2003239117A 2002-02-19 2003-02-19 Saw tooth bias modulation and loop closure for an interferometric fiber optic gyroscope Abandoned AU2003239117A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/078,182 US20030169428A1 (en) 2002-02-19 2002-02-19 Saw tooth bias modulation and loop closure for an interferometric fiber optic gyroscope
US10/078,182 2002-02-19
PCT/US2003/004887 WO2003071227A1 (en) 2002-02-19 2003-02-19 Saw tooth bias modulation and loop closure for an interferometric fiber optic gyroscope

Publications (1)

Publication Number Publication Date
AU2003239117A1 true AU2003239117A1 (en) 2003-09-09

Family

ID=27752708

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003239117A Abandoned AU2003239117A1 (en) 2002-02-19 2003-02-19 Saw tooth bias modulation and loop closure for an interferometric fiber optic gyroscope

Country Status (6)

Country Link
US (1) US20030169428A1 (enExample)
EP (1) EP1476718A1 (enExample)
JP (1) JP4132053B2 (enExample)
AU (1) AU2003239117A1 (enExample)
CA (1) CA2476758A1 (enExample)
WO (1) WO2003071227A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7295322B2 (en) 2005-04-13 2007-11-13 Litton Systems, Inc. Optical power measurement of a closed loop fiber optic gyroscope
US7372278B2 (en) * 2005-08-16 2008-05-13 Canon Kabushiki Kaisha Electric potential measuring apparatus electrostatic capacitance measuring apparatus, electric potential measuring method, electrostatic capacitance measuring method, and image forming apparatus
US7333209B2 (en) * 2005-11-09 2008-02-19 Honeywell International, Inc. Fiber optic gyroscope asynchronous demodulation
US8149417B2 (en) * 2010-01-27 2012-04-03 Honeywell International Inc. Synchronous radiation hardened fiber optic gyroscope
US8223341B2 (en) * 2010-05-28 2012-07-17 Honeywell International Inc. System and method for enhancing signal-to-noise ratio of a resonator fiber optic gyroscope
US8213019B2 (en) 2010-09-07 2012-07-03 Honeywell International Inc. RFOG with optical heterodyning for optical signal discrimination
RU2472111C1 (ru) * 2011-06-17 2013-01-10 Федеральное государственное унитарное предприятие "Центр эксплуатации объектов наземной космической инфраструктуры" Способ устранения зоны нечувствительности в волоконно-оптическом гироскопе
US8947671B2 (en) 2013-02-22 2015-02-03 Honeywell International Inc. Method and system for detecting optical ring resonator resonance frequencies and free spectral range to reduce the number of lasers in a resonator fiber optic gyroscope
US9001336B1 (en) 2013-10-07 2015-04-07 Honeywell International Inc. Methods and apparatus of tracking/locking resonator free spectral range and its application in resonator fiber optic gyroscope
CN104713575A (zh) * 2013-12-11 2015-06-17 中国航空工业第六一八研究所 一种闭环光纤陀螺频率特性的测试方法
JP7456800B2 (ja) * 2020-02-27 2024-03-27 本田技研工業株式会社 加工装置
CN113739782B (zh) * 2021-11-03 2022-03-01 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） 一种光纤陀螺闭环控制方法、系统、电子设备及存储介质
CN115752422A (zh) * 2022-11-24 2023-03-07 株洲菲斯罗克光电科技股份有限公司 一种磁控光纤陀螺及其闭环控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3104786A1 (de) * 1981-02-11 1982-09-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "verfahren und anordnung zur messung absoluter drehungen"
US5018860A (en) * 1989-01-26 1991-05-28 Honeywell Inc. Fiber optic gyroscope balanced plural serrodyne generators combined signal phase difference control
US5412471A (en) * 1991-03-12 1995-05-02 Mitsubishi Precision Co., Ltd. Optical gyro with expanded detectable range of input rotation angular velocity and optical waveguide-type phase modulator used in the same
US5999304A (en) * 1997-08-04 1999-12-07 Honeywell, Inc. Fiber optic gyroscope with deadband error reduction

Also Published As

Publication number Publication date
WO2003071227A1 (en) 2003-08-28
EP1476718A1 (en) 2004-11-17
JP2005517943A (ja) 2005-06-16
JP4132053B2 (ja) 2008-08-13
CA2476758A1 (en) 2003-08-28
US20030169428A1 (en) 2003-09-11

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Legal Events

Date Code Title Description
MK5 Application lapsed section 142(2)(e) - patent request and compl. specification not accepted