IL132253A - Method and apparatus for determining fringe number in a fiber-optic gyro - Google Patents

Method and apparatus for determining fringe number in a fiber-optic gyro

Info

Publication number: IL132253A
Authority: IL; Israel
Prior art keywords: values; fiber; detector output; output signal; fringe
Prior art date: 1998-12-10

Application number

IL13225399A

Other languages

English (en)

Other versions

IL132253A0 (en

Original Assignee

Litton Systems 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.)

1998-12-10

Filing date

1999-10-06

Publication date

2004-06-20

1999-10-06 Application filed by Litton Systems Inc filed Critical Litton Systems Inc

2001-03-19 Publication of IL132253A0 publication Critical patent/IL132253A0/xx

2004-06-20 Publication of IL132253A publication Critical patent/IL132253A/en

Links

238000000034 method Methods 0.000 title claims abstract description 23
230000000694 effects Effects 0.000 claims abstract description 30
230000014509 gene expression Effects 0.000 claims abstract description 6
230000006870 function Effects 0.000 claims 20
230000001131 transforming effect Effects 0.000 claims 4
230000010363 phase shift Effects 0.000 description 8
238000005259 measurement Methods 0.000 description 4
239000013307 optical fiber Substances 0.000 description 4
238000010586 diagram Methods 0.000 description 2
239000000835 fiber Substances 0.000 description 2
238000001914 filtration Methods 0.000 description 2
230000001427 coherent effect Effects 0.000 description 1
238000006880 cross-coupling reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
101150078951 mai-2 gene Proteins 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
230000010287 polarization Effects 0.000 description 1
230000001902 propagating effect Effects 0.000 description 1
238000007670 refining Methods 0.000 description 1
238000009987 spinning Methods 0.000 description 1
230000001052 transient effect Effects 0.000 description 1

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

Landscapes

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)

IL13225399A 1998-12-10 1999-10-06 Method and apparatus for determining fringe number in a fiber-optic gyro IL132253A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US09/208,892 US6268922B1 (en)	1998-12-10	1998-12-10	Method and apparatus for determining fringe number in a fiber-optic gyro

Publications (2)

Publication Number	Publication Date
IL132253A0 IL132253A0 (en)	2001-03-19
IL132253A true IL132253A (en)	2004-06-20

Family

ID=22776468

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL13225399A IL132253A (en)	1998-12-10	1999-10-06	Method and apparatus for determining fringe number in a fiber-optic gyro

Country Status (5)

Country	Link
US (1)	US6268922B1 (fr)
EP (1)	EP1008833B1 (fr)
JP (1)	JP4520560B2 (fr)
DE (1)	DE69921948T2 (fr)
IL (1)	IL132253A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2858875B2 (ja)	1990-05-23	1999-02-17	サントリー株式会社	酒類の製造方法
KR100781985B1 (ko) *	2006-07-14	2007-12-06	삼성전자주식회사	변위 간섭계 시스템 및 그가 채용되는 노광설비
CN103411601B (zh) *	2013-07-24	2016-06-08	北京航空航天大学	一种实现光路差分的双干涉式光纤陀螺仪调制解调方法
CN104729493A (zh) *	2013-12-18	2015-06-24	广西大学	一种光纤陀螺仪的新型探测方法
CN108871309B (zh) *	2018-06-27	2020-10-23	湖北三江航天红峰控制有限公司	一种光纤陀螺的跨条纹修正方法
CN118293899B (zh) *	2024-06-05	2024-08-20	中国船舶集团有限公司第七〇七研究所	一种提升光纤陀螺动态性能的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2202325B (en) *	1987-03-19	1992-02-05	Stc Plc	Fibre optic gyro
US4874244A (en) *	1987-06-30	1989-10-17	Sachs/Freeman Associates, Inc.	Method and apparatus for increasing the unambiguous sensing range in an interferometric fiber gyroscope
US4874224A (en) *	1988-05-24	1989-10-17	United Technologies Automotive, Inc.	Vehicular display view control system
FR2632732B1 (fr) *	1988-06-10	1990-11-02	Thomson Csf	Dispositif de mesure, dans une gamme etendue, d'un dephasage non reciproque engendre dans un interferometre en anneau et procede de mesure
JPH02249902A (ja) *	1989-03-24	1990-10-05	Keyence Corp	レーザー干渉測長機の制御回路
US5963323A (en) *	1998-02-06	1999-10-05	Litton Systems, Inc.	Method for improving the performance of fiber-optic gyros by calculating the bias from using a broadband source

1998
- 1998-12-10 US US09/208,892 patent/US6268922B1/en not_active Expired - Lifetime
1999
- 1999-10-06 IL IL13225399A patent/IL132253A/en not_active IP Right Cessation
- 1999-12-07 JP JP34740499A patent/JP4520560B2/ja not_active Expired - Fee Related
- 1999-12-09 DE DE69921948T patent/DE69921948T2/de not_active Expired - Fee Related
- 1999-12-09 EP EP99124027A patent/EP1008833B1/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP4520560B2 (ja)	2010-08-04
EP1008833B1 (fr)	2004-11-17
IL132253A0 (en)	2001-03-19
DE69921948D1 (de)	2004-12-23
EP1008833A2 (fr)	2000-06-14
EP1008833A3 (fr)	2001-08-22
JP2000171259A (ja)	2000-06-23
US6268922B1 (en)	2001-07-31
DE69921948T2 (de)	2005-11-24

Similar Documents

Publication	Publication Date	Title
EP2813815B1 (fr)	2016-07-27	Systèmes et procédés de détection hétérodyne de bande latérale
US9001336B1 (en)	2015-04-07	Methods and apparatus of tracking/locking resonator free spectral range and its application in resonator fiber optic gyroscope
EP3173742B1 (fr)	2020-01-29	Correcteur de phase de référence de démodulateur de détection de résonance dans un gyroscope à fibre optique à résonateur
US5420684A (en)	1995-05-30	Resonant interferometer fiber optic gyroscope
US7777890B2 (en)	2010-08-17	Method and power-assisted optic-fiber measuring device and gyro
US10139231B2 (en)	2018-11-27	Phase modulator for fiber-optic gyroscopes controlled in a zero-mean manner and a fiber-optic gyroscope
IL132253A (en)	2004-06-20	Method and apparatus for determining fringe number in a fiber-optic gyro
US4969017A (en)	1990-11-06	Measuring device for the measurement, in a wide range, of a non-reciprocal phase shift generated in a ring interferometer, and measuring method
JPH09113283A (ja)	1997-05-02	分散データ処理を有する光ファイバジャイロのループ制御装置
RU2160885C1 (ru)	2000-12-20	Способ стабилизации масштабного коэффициента волоконно-оптического гироскопа
US5883716A (en)	1999-03-16	Rate control loop for fiber optic gyroscope
US5963323A (en)	1999-10-05	Method for improving the performance of fiber-optic gyros by calculating the bias from using a broadband source
JP2021081334A (ja)	2021-05-27	光ファイバジャイロ並びにその制御方法及び制御装置
US12516936B2 (en)	2026-01-06	Apparatus and method for enhanced beat note detection
JP3245796B2 (ja)	2002-01-15	光ファイバジャイロ
EP0492580B1 (fr)	1995-07-12	Gyroscope à fibre optique
US5999260A (en)	1999-12-07	Method and apparatus for initialization of a fiber optic gyroscope
EP0809788B1 (fr)	2005-11-09	Procede de reduction de marche aleatoire dans des gyroscopes a fibre optique
RU2234680C2 (ru)	2004-08-20	Способ стабилизации масштабного коэффициента волоконно-оптического гироскопа
CA2020379C (fr)	2001-01-16	Controleur de dephasage serrodyne synthetique numerique pour gyroscope a fibre optique
US10359286B2 (en)	2019-07-23	Phase modulator for fibre-optic gyroscope, fibre-optic gyroscope and method for operating a phase modulator
JPH11304498A (ja)	1999-11-05	光ファイバジャイロ
CA2173871A1 (fr)	1997-06-29	Methode pour reduire le bruit aleatoire dans les gyroscopes a fibre optique

Legal Events

Date	Code	Title
2004-11-24	FF	Patent granted
2005-02-20	KB	Patent renewed
2006-01-15	KB	Patent renewed
2010-05-17	KB	Patent renewed
2013-10-31	KB	Patent renewed
2017-10-31	KB	Patent renewed
2020-05-31	EXP	Patent expired