NO842909L - Optisk gyroskop - Google Patents
Optisk gyroskopInfo
- Publication number
- NO842909L NO842909L NO842909A NO842909A NO842909L NO 842909 L NO842909 L NO 842909L NO 842909 A NO842909 A NO 842909A NO 842909 A NO842909 A NO 842909A NO 842909 L NO842909 L NO 842909L
- Authority
- NO
- Norway
- Prior art keywords
- signal
- phase
- coil
- variable frequency
- frequency
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 22
- 239000000835 fiber Substances 0.000 claims description 22
- 230000010363 phase shift Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims 6
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 2
- 230000010354 integration Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011896 sensitive detection Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005374 Kerr effect Effects 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 101150087133 bli-4 gene Proteins 0.000 description 1
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
- G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect
-
- 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
- G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/522,012 US4545682A (en) | 1983-08-11 | 1983-08-11 | Optical gyroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO842909L true NO842909L (no) | 1985-02-12 |
Family
ID=24079067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO842909A NO842909L (no) | 1983-08-11 | 1984-07-16 | Optisk gyroskop |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4545682A (it) |
| JP (1) | JPS6060513A (it) |
| AU (1) | AU3164284A (it) |
| DE (1) | DE3429802A1 (it) |
| FR (1) | FR2551543B1 (it) |
| GB (1) | GB2145222B (it) |
| IT (1) | IT1174234B (it) |
| NO (1) | NO842909L (it) |
| SE (1) | SE8403639L (it) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717256A (en) * | 1986-07-21 | 1988-01-05 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic rate sensor |
| US4842358A (en) * | 1987-02-20 | 1989-06-27 | Litton Systems, Inc. | Apparatus and method for optical signal source stabilization |
| EP0304601A3 (de) * | 1987-08-25 | 1991-04-17 | Siemens Aktiengesellschaft | Verfahren zur Freqzuenzstabilisierung eines Halbleiterlasers mit angekoppeltem, externem Ringresonator |
| US4872754A (en) * | 1987-10-07 | 1989-10-10 | Ensley Donald L | Constant frequency digital closed-loop optical fiber gyro |
| DE3742201C2 (de) * | 1987-12-12 | 1998-01-29 | Teldix Gmbh | Faserkreisel |
| US4906096A (en) * | 1988-03-14 | 1990-03-06 | Litton Systems, Inc. | Apparatus and method for phase modulating optical signals in a fiber optic rotation sensor |
| US5009480A (en) * | 1989-08-11 | 1991-04-23 | Japan Aviation Electronics Industry Limited | Fiber optic gyro |
| JPH06103189B2 (ja) * | 1989-11-07 | 1994-12-14 | 日本航空電子工業株式会社 | 光干渉角速度計 |
| US5074665A (en) * | 1989-12-21 | 1991-12-24 | Andrew Corporation | Fiber optic gyroscope using dual-section counter-wound coil |
| US5137357A (en) * | 1990-06-27 | 1992-08-11 | Honeywell Inc. | Interferometric signal analysis with modulation switching |
| EP0471881A1 (de) * | 1990-08-24 | 1992-02-26 | SENSOPTIC Optische Sensortechnik AG | Einrichtung zum Messen einer physikalischen Grösse |
| US5506923A (en) * | 1991-11-25 | 1996-04-09 | Honeywell Inc. | Apparatus and method for trimming of fiber optic winding |
| ATE216084T1 (de) * | 1991-12-24 | 2002-04-15 | Univ Sydney | Stromfühler |
| US5677622A (en) * | 1991-12-24 | 1997-10-14 | The University Of Sydney | Current sensor using a Sagnac interferometer and spun, single mode birefringent optical fiber to detect current via the Faraday effect |
| EP0651876B1 (en) * | 1992-07-21 | 1998-04-22 | Honeywell Inc. | Trimming of fiber optic winding |
| US5587791A (en) * | 1994-09-27 | 1996-12-24 | Citeq | Optical interferometric current sensor and method using a single mode birefringent waveguide and a pseudo-depolarizer for measuring electrical current |
| US5644397A (en) * | 1994-10-07 | 1997-07-01 | The Texas A&M University System | Fiber optic interferometric circuit and magnetic field sensor |
| US5657411A (en) * | 1995-12-15 | 1997-08-12 | Honeywell Inc. | Negative trimming of fiber optic winding |
| US5987195A (en) * | 1996-08-01 | 1999-11-16 | The Texas A&M University System | Fiber optics apparatus and method for accurate current sensing |
| US5696858A (en) * | 1996-08-01 | 1997-12-09 | The Texas A&M University System | Fiber Optics apparatus and method for accurate current sensing |
| DE19707773C2 (de) * | 1997-02-26 | 2000-05-25 | Kayser Threde Gmbh | Vorrichtung und Verfahren zum Bestimmen der Phasendifferenz zwischen interferierenden Strahlen |
| US6023331A (en) * | 1997-06-19 | 2000-02-08 | The Texas A&M University System | Fiber optic interferometric sensor and method by adding controlled amounts of circular birefringence in the sensing fiber |
| US5978084A (en) * | 1997-08-26 | 1999-11-02 | The Texas A&M University System | Open loop signal processing circuit and method for a fiber optic interferometric sensor |
| US6188811B1 (en) | 1998-10-31 | 2001-02-13 | The Texas A&M Universtiy System | Fiber optic current sensor |
| US6307632B1 (en) | 1999-03-24 | 2001-10-23 | The Texas A&M University System | Magnetic field integrated fiber optic sensor with improved sensitivity |
| KR20000073036A (ko) * | 1999-05-04 | 2000-12-05 | 윤덕용 | 위상 민감 검출 방법을 적용한 광섬유 레이저 자이로스코프 |
| DE10130159C2 (de) * | 2001-06-22 | 2003-06-18 | Litef Gmbh | Verfahren zur Vermeidung von Bias-Fehlern aufgrund synchroner Einstreuung bei faseroptischen Gyroskopen |
| US7072043B1 (en) | 2003-02-13 | 2006-07-04 | Shernoff Donald I | Fiber optic gyroscope for continuous measurement of low and high rates of rotation |
| US7274460B2 (en) * | 2004-06-02 | 2007-09-25 | Northrop Grumman Corporation | Stimulated rate optical power measurement in a fiber optic gyroscope |
| US7295322B2 (en) * | 2005-04-13 | 2007-11-13 | Litton Systems, Inc. | Optical power measurement of a closed loop fiber optic gyroscope |
| EP2145194B1 (en) * | 2007-05-04 | 2017-07-12 | Alstom Technology Ltd. | Adaptive filters for fiber optic sensors |
| CN100585966C (zh) * | 2008-06-04 | 2010-01-27 | 中国科学院上海光学精密机械研究所 | 带半导体泵浦源自动保护的光纤激光装置 |
| WO2018071729A1 (en) * | 2016-10-12 | 2018-04-19 | Xiaotian Steve Yao | Non-interferometric optical gyroscope based on polarization sensing and implementations of closed loop control |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299490A (en) * | 1978-12-07 | 1981-11-10 | Mcdonnell Douglas Corporation | Phase nulling optical gyro |
| US4372685A (en) * | 1979-01-15 | 1983-02-08 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. | Method and arrangement for the measurement of rotations |
| DE3040514A1 (de) * | 1980-10-28 | 1982-07-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und anordnung zur signalauswertung eines lichtleitfaserrotationssensors |
| DE3140110A1 (de) * | 1981-10-09 | 1983-04-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "verfahren und anordnung zur messung absoluter drehungen" |
-
1983
- 1983-08-11 US US06/522,012 patent/US4545682A/en not_active Expired - Fee Related
-
1984
- 1984-05-02 FR FR8406777A patent/FR2551543B1/fr not_active Expired
- 1984-05-09 GB GB08411798A patent/GB2145222B/en not_active Expired
- 1984-07-04 IT IT21744/84A patent/IT1174234B/it active
- 1984-07-09 SE SE8403639A patent/SE8403639L/ not_active Application Discontinuation
- 1984-07-16 NO NO842909A patent/NO842909L/no unknown
- 1984-07-31 JP JP59159494A patent/JPS6060513A/ja active Pending
- 1984-08-06 AU AU31642/84A patent/AU3164284A/en not_active Abandoned
- 1984-08-13 DE DE19843429802 patent/DE3429802A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US4545682A (en) | 1985-10-08 |
| IT8421744A0 (it) | 1984-07-04 |
| SE8403639D0 (sv) | 1984-07-09 |
| GB2145222B (en) | 1986-08-28 |
| JPS6060513A (ja) | 1985-04-08 |
| GB8411798D0 (en) | 1984-06-13 |
| DE3429802A1 (de) | 1985-02-21 |
| FR2551543B1 (fr) | 1987-11-27 |
| GB2145222A (en) | 1985-03-20 |
| AU3164284A (en) | 1985-02-14 |
| SE8403639L (sv) | 1985-02-12 |
| FR2551543A1 (fr) | 1985-03-08 |
| IT1174234B (it) | 1987-07-01 |
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