CA1339667C - Appareil et methode pour corriger les erreurs d'angle de phase d'un gyrolaser annulaire dues a l'accrochage - Google Patents

Appareil et methode pour corriger les erreurs d'angle de phase d'un gyrolaser annulaire dues a l'accrochage

Info

Publication number
CA1339667C
CA1339667C CA 581408 CA581408A CA1339667C CA 1339667 C CA1339667 C CA 1339667C CA 581408 CA581408 CA 581408 CA 581408 A CA581408 A CA 581408A CA 1339667 C CA1339667 C CA 1339667C
Authority
CA
Canada
Prior art keywords
signal
ring laser
laser gyroscope
phase
lock
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.)
Expired - Fee Related
Application number
CA 581408
Other languages
English (en)
Inventor
Sheridan W. Hammons
Thomas J. Hutchings
Edward Kanegsberg
Daryl C.(Deceased) Stjern
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
Priority claimed from US07/110,003 external-priority patent/US5347359A/en
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Application granted granted Critical
Publication of CA1339667C publication Critical patent/CA1339667C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Gyroscopes (AREA)
CA 581408 1987-10-19 1988-10-27 Appareil et methode pour corriger les erreurs d'angle de phase d'un gyrolaser annulaire dues a l'accrochage Expired - Fee Related CA1339667C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US110,003 1980-01-07
US07/110,003 US5347359A (en) 1987-10-19 1987-10-19 Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in

Publications (1)

Publication Number Publication Date
CA1339667C true CA1339667C (fr) 1998-02-10

Family

ID=22330746

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 581408 Expired - Fee Related CA1339667C (fr) 1987-10-19 1988-10-27 Appareil et methode pour corriger les erreurs d'angle de phase d'un gyrolaser annulaire dues a l'accrochage

Country Status (1)

Country Link
CA (1) CA1339667C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115406468A (zh) * 2022-11-01 2022-11-29 天津集智航宇科技有限公司 基于机械纳米步进调节激光陀螺的背向散射的装置和方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115406468A (zh) * 2022-11-01 2022-11-29 天津集智航宇科技有限公司 基于机械纳米步进调节激光陀螺的背向散射的装置和方法

Similar Documents

Publication Publication Date Title
US4981359A (en) Ring laser gyroscope dither drive system and method
JP2711022B2 (ja) 高分解能リングレーザジャイロスコープシステム
US5416584A (en) Sinusoidal noise injection into the dither of a ring laser gyroscope
US4801206A (en) Simplified ring laser gyroscope dither control and method
CA1290433C (fr) Methode et systeme pour corriger les erreurs aleatoires des inversions de sens dans un gyrolaser
US5090810A (en) Ring resonator gyroscope controlling two servo control loops based on the output of a single interference detector
US4836675A (en) Apparatus and method for detecting rotation rate and direction of rotation and providing cavity length control in multioscillator ring laser gyroscopes
US5442442A (en) Ring laser gyroscope scale factor error control apparatus and method control apparatus and method
USRE34121E (en) Method and system for correcting random walk errors induced by rate reversals in a dithered ring laser gyroscope
US5347359A (en) Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in
Banerjee et al. An improved dither-stripping scheme for strapdown ring laser gyroscopes
EP0635116B1 (fr) Detecteur de rotation avec processeur de signaux de sortie
CA1339667C (fr) Appareil et methode pour corriger les erreurs d'angle de phase d'un gyrolaser annulaire dues a l'accrochage
US5004344A (en) Apparatus and method for correcting ring laser gyroscope phase errors at turnaround
GB2301932A (en) Correcting ring laser gyroscope phase angle errors induced by lock-in
US4648716A (en) Discriminant apparatus for a ring laser angular rate sensor
US4657392A (en) Lock-in rate discriminate apparatus for ring laser angular rate sensors
US5189487A (en) Multioscillator ring laser gyroscope local oscillator-based output optics detection system
US4875774A (en) Apparatus and method for determining ring laser gyroscope phase at turnaround
US4605307A (en) Apparatus for laser gyro
KR102286261B1 (ko) 락인 제로 링 레이저 자이로스코프 시스템 및 그 구동 방법
Andrews et al. A multi-oscillator ring laser with Zeeman bias
Cuccato Procedure di identificazione e filtraggio per la dinamica di un giroscopio laser
KR970007041B1 (ko) 환형 레이저 자이로스코프 시스템 및 그 측정방법
Lorenz et al. Gas laser frequency control for passive cavity ring gyros

Legal Events

Date Code Title Description
MKLA Lapsed