CA2476758A1 - 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 PDFInfo
- Publication number
- CA2476758A1 CA2476758A1 CA002476758A CA2476758A CA2476758A1 CA 2476758 A1 CA2476758 A1 CA 2476758A1 CA 002476758 A CA002476758 A CA 002476758A CA 2476758 A CA2476758 A CA 2476758A CA 2476758 A1 CA2476758 A1 CA 2476758A1
- Authority
- CA
- Canada
- Prior art keywords
- sensing coil
- coupler
- phase
- source
- gyroscope
- 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
Links
- 239000000835 fiber Substances 0.000 title abstract description 22
- 238000006880 cross-coupling reaction Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 51
- 230000010363 phase shift Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000005670 electromagnetic radiation Effects 0.000 claims 12
- 230000008713 feedback mechanism Effects 0.000 claims 3
- 230000001939 inductive effect Effects 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 description 28
- 230000006870 function Effects 0.000 description 20
- 230000008859 change Effects 0.000 description 7
- 230000010287 polarization Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 238000001228 spectrum 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
- G01C19/721—Details, e.g. optical or electronical details
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)
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 |
|---|---|
| CA2476758A1 true CA2476758A1 (en) | 2003-08-28 |
Family
ID=27752708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002476758A Abandoned CA2476758A1 (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)
| 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)
| 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 |
-
2002
- 2002-02-19 US US10/078,182 patent/US20030169428A1/en not_active Abandoned
-
2003
- 2003-02-19 EP EP03733831A patent/EP1476718A1/en not_active Withdrawn
- 2003-02-19 CA CA002476758A patent/CA2476758A1/en not_active Abandoned
- 2003-02-19 JP JP2003570086A patent/JP4132053B2/ja not_active Expired - Fee Related
- 2003-02-19 AU AU2003239117A patent/AU2003239117A1/en not_active Abandoned
- 2003-02-19 WO PCT/US2003/004887 patent/WO2003071227A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003071227A1 (en) | 2003-08-28 |
| AU2003239117A1 (en) | 2003-09-09 |
| EP1476718A1 (en) | 2004-11-17 |
| JP2005517943A (ja) | 2005-06-16 |
| JP4132053B2 (ja) | 2008-08-13 |
| US20030169428A1 (en) | 2003-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5926275A (en) | Vibration error reduction servo for a fiber optic gyroscope | |
| EP0532679B1 (en) | Modulation frequency control in a fiber optic rotation sensor | |
| US5946097A (en) | Vibration rectification error reducer for fiber optic gyroscope | |
| US5999304A (en) | Fiber optic gyroscope with deadband error reduction | |
| US5627644A (en) | Kerr effect compensation by optical power balancing in interferometric fiber optic gyroscopes | |
| EP0990117B1 (en) | Fiber optic gyroscope vibration error compensator | |
| EP0830569B1 (en) | Optical power balancing in an interferometric fiber optic gyroscope | |
| EP0830570B1 (en) | Proper frequency tracker for fiber optic sensing coil | |
| US5602642A (en) | Magnetically insensitive fiber optic rotation sensor | |
| CA2471770A1 (en) | Symmetrical depolarized fiber optic gyroscope | |
| CA2476758A1 (en) | Saw tooth bias modulation and loop closure for an interferometric fiber optic gyroscope | |
| US5148236A (en) | Demodulation reference signal source | |
| US5196904A (en) | Fiber optic gyroscope bias modulation amplitude determination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |