GB8825189D0 - Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in - Google Patents

Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in

Info

Publication number
GB8825189D0
GB8825189D0 GBGB8825189.7A GB8825189A GB8825189D0 GB 8825189 D0 GB8825189 D0 GB 8825189D0 GB 8825189 A GB8825189 A GB 8825189A GB 8825189 D0 GB8825189 D0 GB 8825189D0
Authority
GB
United Kingdom
Prior art keywords
lock
phase angle
ring laser
laser gyroscope
angle errors
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.)
Granted
Application number
GBGB8825189.7A
Other versions
GB2301932B (en
GB2301932A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Guidance and Electronics Co Inc
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.)
Filing date
Publication date
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Priority to GB8825189A priority Critical patent/GB2301932B/en
Priority to DE3837380A priority patent/DE3837380C2/en
Publication of GB8825189D0 publication Critical patent/GB8825189D0/en
Publication of GB2301932A publication Critical patent/GB2301932A/en
Application granted granted Critical
Publication of GB2301932B publication Critical patent/GB2301932B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

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)
GB8825189A 1988-10-27 1988-10-27 Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in Expired - Fee Related GB2301932B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8825189A GB2301932B (en) 1988-10-27 1988-10-27 Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in
DE3837380A DE3837380C2 (en) 1988-10-27 1988-11-03 Device and method for correcting coupling induced ring laser gyroscope phase angle errors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8825189A GB2301932B (en) 1988-10-27 1988-10-27 Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in
DE3837380A DE3837380C2 (en) 1988-10-27 1988-11-03 Device and method for correcting coupling induced ring laser gyroscope phase angle errors

Publications (3)

Publication Number Publication Date
GB8825189D0 true GB8825189D0 (en) 1996-07-24
GB2301932A GB2301932A (en) 1996-12-18
GB2301932B GB2301932B (en) 1997-10-08

Family

ID=25873875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825189A Expired - Fee Related GB2301932B (en) 1988-10-27 1988-10-27 Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in

Country Status (2)

Country Link
DE (1) DE3837380C2 (en)
GB (1) GB2301932B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113447047A (en) * 2021-08-31 2021-09-28 中国人民解放军国防科技大学 Rate integral gyroscope detection electrode error identification method, device, system and medium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373650A (en) * 1965-04-02 1968-03-19 Honeywell Inc Laser angular rate sensor
US4248534A (en) * 1979-05-09 1981-02-03 The Singer Company Apparatus and method for the elimination of angular vibration induced errors in ring laser gyroscopes
IL61156A (en) * 1979-11-05 1983-07-31 Litton Systems Inc Dithered ring laser with minimized mirror backscattering
US4529311A (en) * 1981-07-06 1985-07-16 Honeywell Inc. Ring laser gyro system
US4473297A (en) * 1981-11-12 1984-09-25 The Singer Company Ring laser gyroscope utilizing phase detector for minimizing beam lock-in
US4844615A (en) * 1987-01-30 1989-07-04 Litton Systems, Inc. Method and system for correcting random walk errors induced by rate reversals in a dithered ring laser gyroscope

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113447047A (en) * 2021-08-31 2021-09-28 中国人民解放军国防科技大学 Rate integral gyroscope detection electrode error identification method, device, system and medium
CN113447047B (en) * 2021-08-31 2021-11-09 中国人民解放军国防科技大学 Rate integral gyroscope detection electrode error identification method, device, system and medium

Also Published As

Publication number Publication date
GB2301932B (en) 1997-10-08
DE3837380C2 (en) 1998-05-07
GB2301932A (en) 1996-12-18
DE3837380A1 (en) 1997-05-15

Similar Documents

Publication Publication Date Title
EP0607654A3 (en) Method of correcting distance error of navigation apparatus.
EP0415000A3 (en) Method and apparatus for spelling error detection and correction
US5237390B1 (en) Method and apparatus for measurement of angular displacement
AU1146888A (en) Method and apparatus for error correction
GB8904033D0 (en) Navigation apparatus and matching method for navigation
DK338988D0 (en) METHOD AND APPARATUS FOR LASER-OPTICAL NAVIGATION
GB8903958D0 (en) Error detecting/correction code and apparatus
GB9119304D0 (en) Method and apparatus for calibration of angular displacement
IL59246A (en) Apparatus and method for offsetting lock-in in a spring-suspended ring laser gyroscope
EP0552007A3 (en) Method and means for correcting lateral registration errors
EP0415108A3 (en) Method of and apparatus for correcting the phase of a playback clock signal
EP0558065A3 (en) Dynamic error correcting apparatus for inertial navigation
EP0224250A3 (en) Optical recording medium and method and apparatus for correcting angular deviation thereof
DK486789D0 (en) BENZOXAZOLINON DERIVATIVES, PROCEDURES FOR PREPARING THEREOF, AND PHARMACEUTICAL AGENTS CONTAINING THESE
EP0457200A3 (en) Method for measuring angles and characteristics using a gyroscope
GB2301932B (en) Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in
IL89755A0 (en) Method for aligning a two-axis platform
DK221290D0 (en) PROCEDURE AND APPARATUS FOR PREPARING A LIQUID MIXTURE
EP0224251A3 (en) Method and apparatus for correcting angular deviation of optical recording medium
DK536089D0 (en) METHOD AND HIGH-RESOLUTION APPARATUS FOR LOCATING NEUTRAL PARTICLES
FR2729755B1 (en) RING LASER GYROSCOPE AND METHOD FOR CORRECTING LOCKING ERRORS
EP0223730A3 (en) Method and apparatus for phase modulating a fiber-optic rotation sensor
IL80028A0 (en) Support for ring laser gyro
GB2201067B (en) Method and apparatus for error correction
DE3789596D1 (en) METHOD AND DEVICE FOR OPTICAL RF PHASE COMPENSATION.

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001027