IL59246A - Apparatus and method for offsetting lock-in in a spring-suspended ring laser gyroscope - Google Patents
Apparatus and method for offsetting lock-in in a spring-suspended ring laser gyroscopeInfo
- Publication number
- IL59246A IL59246A IL59246A IL5924680A IL59246A IL 59246 A IL59246 A IL 59246A IL 59246 A IL59246 A IL 59246A IL 5924680 A IL5924680 A IL 5924680A IL 59246 A IL59246 A IL 59246A
- Authority
- IL
- Israel
- Prior art keywords
- offsetting
- lock
- spring
- ring laser
- laser gyroscope
- Prior art date
Links
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
- G01C19/66—Ring laser gyrometers
- G01C19/68—Lock-in prevention
- G01C19/70—Lock-in prevention by mechanical means
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)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/022,557 US4243324A (en) | 1979-03-21 | 1979-03-21 | Feedback system for controlling lock-in in spring suspended ring laser gyroscope |
Publications (1)
Publication Number | Publication Date |
---|---|
IL59246A true IL59246A (en) | 1984-11-30 |
Family
ID=21810208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL59246A IL59246A (en) | 1979-03-21 | 1980-01-28 | Apparatus and method for offsetting lock-in in a spring-suspended ring laser gyroscope |
Country Status (9)
Country | Link |
---|---|
US (1) | US4243324A (sv) |
JP (1) | JPS55128115A (sv) |
CA (1) | CA1134484A (sv) |
DE (1) | DE3011043A1 (sv) |
FR (1) | FR2452086A1 (sv) |
GB (1) | GB2044984B (sv) |
IL (1) | IL59246A (sv) |
NO (1) | NO154537C (sv) |
SE (1) | SE446664B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4695160A (en) * | 1981-07-06 | 1987-09-22 | Honeywell Inc. | Error cancelling bias system |
US4445779A (en) * | 1981-07-06 | 1984-05-01 | Honeywell Inc. | Dither system for a spring mass system |
DE3150160A1 (de) * | 1981-12-18 | 1983-06-30 | Honeywell Gmbh, 6050 Offenbach | Ringlaserkreisel |
US4605307A (en) * | 1982-06-21 | 1986-08-12 | Honeywell Inc. | Apparatus for laser gyro |
US4657392A (en) * | 1982-08-05 | 1987-04-14 | Honeywell Inc. | Lock-in rate discriminate apparatus for ring laser angular rate sensors |
WO1987002140A1 (en) * | 1982-11-20 | 1987-04-09 | Mueller Paul | Process for determining speed of rotation |
US4597667A (en) * | 1982-12-09 | 1986-07-01 | Litton Systems, Inc. | Dither controller for ring laser angular rotation sensor |
IL77856A0 (en) * | 1985-02-25 | 1986-12-31 | Sundstrand Data Control | Inertial reference system utilizing ring laser gyro data resynchronization |
US4783169A (en) * | 1985-08-09 | 1988-11-08 | Litton Systems, Inc. | Control of a ring laser gyro cavity according to a preselected model |
DE3621953A1 (de) * | 1986-06-30 | 1988-01-14 | Bodenseewerk Geraetetech | Traegheitssensoranordnung |
US4888705A (en) * | 1987-10-26 | 1989-12-19 | Kearfott Guidance And Navigation Corp. | System for measuring the position of vibrating object |
US4856901A (en) * | 1988-05-04 | 1989-08-15 | Kearfott Guidance & Navigation Corporation | Velocity control system using piezoelectric transducers |
FR2645263B1 (fr) * | 1989-03-30 | 1991-07-26 | Salaberry Bernard De | Capteur de position optique pour gyrometre a laser |
US4981359A (en) * | 1989-06-19 | 1991-01-01 | Litton Systems, Inc. | Ring laser gyroscope dither drive system and method |
JP2000329565A (ja) * | 1999-03-16 | 2000-11-30 | Canon Inc | ジャイロ装置 |
US6229615B1 (en) * | 2000-01-06 | 2001-05-08 | Honeywell International Inc. | Automatic dither pickoff gain select |
CN101609956B (zh) * | 2009-06-05 | 2011-06-08 | 北京工业大学 | 可调谐激光器的闭环反馈智能控制系统 |
CN108732933B (zh) * | 2018-06-01 | 2021-03-16 | 广东工业大学 | 基于lmi的周期分段振动协同系统的时变连续控制器设计 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
US3743969A (en) * | 1969-11-12 | 1973-07-03 | North American Rockwell | Modulation servo control for frequency modulated ring laser gyro |
FR2271542A1 (en) * | 1973-12-27 | 1975-12-12 | Minisini Pierre | Rotation measuring ring laser rate gyroscope - has two electro-optics crystals and two sensors for two laser beams |
US4152071A (en) * | 1976-08-02 | 1979-05-01 | Honeywell Inc. | Control apparatus |
CA1085031A (en) * | 1976-11-08 | 1980-09-02 | Litton Systems, Inc. | Laser gyro with phased dithered mirrors |
US4115004A (en) * | 1976-11-15 | 1978-09-19 | Litton Systems, Inc. | Counterbalanced oscillating ring laser gyro |
US4132482A (en) * | 1977-09-12 | 1979-01-02 | The Singer Company | Feedback system for a ring laser gyro |
-
1979
- 1979-03-21 US US06/022,557 patent/US4243324A/en not_active Expired - Lifetime
-
1980
- 1980-01-25 CA CA000344409A patent/CA1134484A/en not_active Expired
- 1980-01-28 IL IL59246A patent/IL59246A/xx not_active IP Right Cessation
- 1980-02-06 GB GB8003958A patent/GB2044984B/en not_active Expired
- 1980-02-13 FR FR8003175A patent/FR2452086A1/fr active Granted
- 1980-03-17 JP JP3280180A patent/JPS55128115A/ja active Granted
- 1980-03-19 SE SE8002138A patent/SE446664B/sv not_active IP Right Cessation
- 1980-03-20 NO NO800804A patent/NO154537C/no unknown
- 1980-03-21 DE DE19803011043 patent/DE3011043A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2452086A1 (fr) | 1980-10-17 |
JPS6410763B2 (sv) | 1989-02-22 |
GB2044984A (en) | 1980-10-22 |
SE8002138L (sv) | 1980-09-22 |
NO154537B (no) | 1986-06-30 |
CA1134484A (en) | 1982-10-26 |
JPS55128115A (en) | 1980-10-03 |
FR2452086B1 (sv) | 1983-06-24 |
NO154537C (no) | 1986-10-22 |
SE446664B (sv) | 1986-09-29 |
DE3011043A1 (de) | 1980-10-02 |
DE3011043C2 (sv) | 1990-03-08 |
US4243324A (en) | 1981-01-06 |
NO800804L (no) | 1980-09-22 |
GB2044984B (en) | 1983-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RH | Patent void |