IL104590A - גירוסקופ סיבאופטי בעל לולאה סגורה - Google Patents
גירוסקופ סיבאופטי בעל לולאה סגורהInfo
- Publication number
- IL104590A IL104590A IL10459093A IL10459093A IL104590A IL 104590 A IL104590 A IL 104590A IL 10459093 A IL10459093 A IL 10459093A IL 10459093 A IL10459093 A IL 10459093A IL 104590 A IL104590 A IL 104590A
- Authority
- IL
- Israel
- Prior art keywords
- phase
- square wave
- modulation
- feedback loop
- retrace
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims description 21
- 238000012545 processing Methods 0.000 description 19
- 230000010363 phase shift Effects 0.000 description 18
- 238000012546 transfer Methods 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012827 research and development Methods 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
- G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/873,911 US5278631A (en) | 1992-04-24 | 1992-04-24 | Closed loop fiber optic gyroscope with signal processing arrangement for improved performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL104590A true IL104590A (he) | 1995-06-29 |
Family
ID=25362584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL10459093A IL104590A (he) | 1992-04-24 | 1993-02-03 | גירוסקופ סיבאופטי בעל לולאה סגורה |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5278631A (he) |
| EP (1) | EP0637372B1 (he) |
| JP (1) | JPH07505715A (he) |
| DE (1) | DE69305740T2 (he) |
| IL (1) | IL104590A (he) |
| WO (1) | WO1993022620A1 (he) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5400142A (en) * | 1994-05-03 | 1995-03-21 | Alliedsignal Inc. | Fiber optic angular rate sensor including digital phase modulation |
| US5684591A (en) * | 1996-05-23 | 1997-11-04 | Alliedsignal Inc. | Fiber optic gyroscope with reduced non-linearity at low angular rates |
| US5946097A (en) * | 1997-12-31 | 1999-08-31 | Honeywell Inc. | Vibration rectification error reducer for fiber optic gyroscope |
| CN102840869B (zh) * | 2012-09-17 | 2015-04-15 | 北京航空航天大学 | 一种光纤陀螺本征频率的测量方法 |
| CN111220142B (zh) * | 2020-02-25 | 2020-12-15 | 北京航空航天大学 | 一种新型超高精度光纤陀螺仪的信号处理方法及装置 |
| TWI843111B (zh) * | 2022-05-30 | 2024-05-21 | 互宇向量股份有限公司 | 光電感測系統與其反饋模組 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2636425B1 (fr) * | 1988-09-14 | 1990-11-30 | Photonetics | Dispositif de mesure a fibre optique, gyrometre, centrale de navigation et de stabilisation |
| JPH0654236B2 (ja) * | 1989-11-30 | 1994-07-20 | 日本航空電子工業株式会社 | デジタルフェイズランプ方式光干渉角速度計 |
| FR2660996B1 (fr) * | 1990-04-17 | 1992-08-07 | Photonetics | Dispositif de mesure a fibre optique, gyrometre, centrale de navigation et de stabilisation, capteur de courant. |
-
1992
- 1992-04-24 US US07/873,911 patent/US5278631A/en not_active Expired - Lifetime
-
1993
- 1993-01-21 WO PCT/US1993/000540 patent/WO1993022620A1/en not_active Ceased
- 1993-01-21 JP JP5517823A patent/JPH07505715A/ja active Pending
- 1993-01-21 EP EP93903615A patent/EP0637372B1/en not_active Expired - Lifetime
- 1993-01-21 DE DE69305740T patent/DE69305740T2/de not_active Expired - Fee Related
- 1993-02-03 IL IL10459093A patent/IL104590A/he not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0637372B1 (en) | 1996-10-30 |
| DE69305740T2 (de) | 1997-03-06 |
| JPH07505715A (ja) | 1995-06-22 |
| EP0637372A1 (en) | 1995-02-08 |
| DE69305740D1 (de) | 1996-12-05 |
| US5278631A (en) | 1994-01-11 |
| WO1993022620A1 (en) | 1993-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |