IT1169366B - Apparecchio e metodo per far vibrare sensori di rotazione angolare a laser anulare - Google Patents

Apparecchio e metodo per far vibrare sensori di rotazione angolare a laser anulare

Info

Publication number
IT1169366B
IT1169366B IT49460/83A IT4946083A IT1169366B IT 1169366 B IT1169366 B IT 1169366B IT 49460/83 A IT49460/83 A IT 49460/83A IT 4946083 A IT4946083 A IT 4946083A IT 1169366 B IT1169366 B IT 1169366B
Authority
IT
Italy
Prior art keywords
anular
vibrating
angular rotation
rotation sensors
laser angular
Prior art date
Application number
IT49460/83A
Other languages
English (en)
Other versions
IT8349460A0 (it
Inventor
Robert D Curby
George H Mccammon
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
Publication of IT8349460A0 publication Critical patent/IT8349460A0/it
Application granted granted Critical
Publication of IT1169366B publication Critical patent/IT1169366B/it

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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
IT49460/83A 1982-12-09 1983-12-07 Apparecchio e metodo per far vibrare sensori di rotazione angolare a laser anulare IT1169366B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/448,363 US4597667A (en) 1982-12-09 1982-12-09 Dither controller for ring laser angular rotation sensor

Publications (2)

Publication Number Publication Date
IT8349460A0 IT8349460A0 (it) 1983-12-07
IT1169366B true IT1169366B (it) 1987-05-27

Family

ID=23780012

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49460/83A IT1169366B (it) 1982-12-09 1983-12-07 Apparecchio e metodo per far vibrare sensori di rotazione angolare a laser anulare

Country Status (7)

Country Link
US (2) US4597667A (it)
JP (1) JPH0738472B2 (it)
CA (1) CA1236204A (it)
DE (1) DE3344453A1 (it)
FR (2) FR2537717B1 (it)
GB (2) GB2131598B (it)
IT (1) IT1169366B (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710027A (en) * 1984-01-30 1987-12-01 Litton Systems, Inc. Method and apparatus for mechanical dither stabilization of a laser angular sensor
US5331401A (en) * 1985-06-03 1994-07-19 Litton Systems, Inc. Method and apparatus for controlling dither in a multiple gyro system
US4733966A (en) * 1986-04-01 1988-03-29 Litton Systems, Inc. Tuning mechanism for dither frequencies in a ring laser gyroscope
US4801206A (en) * 1986-06-04 1989-01-31 Litton Systems, Inc. Simplified ring laser gyroscope dither control and method
US4795259A (en) * 1986-10-31 1989-01-03 Honeywell Inc. Path length control mechanization for a ring laser angular rate sensor
US4825260A (en) * 1987-02-20 1989-04-25 Litton Systems, Inc. Apparatus and method using amplification cells for ring laser gyroscope cavity length control
US4836675A (en) * 1987-06-29 1989-06-06 Litton Systems, Inc. Apparatus and method for detecting rotation rate and direction of rotation and providing cavity length control in multioscillator ring laser gyroscopes
US4888705A (en) * 1987-10-26 1989-12-19 Kearfott Guidance And Navigation Corp. System for measuring the position of vibrating object
US5386288A (en) * 1987-10-28 1995-01-31 Litton Systems, Inc. Split gain multimode ring laser gyroscope and method
US4981359A (en) * 1989-06-19 1991-01-01 Litton Systems, Inc. Ring laser gyroscope dither drive system and method
GB2242779A (en) * 1990-04-03 1991-10-09 British Aerospace Dither spring assembly for laser gyroscope.
US5173745A (en) * 1991-04-12 1992-12-22 Honeywell Inc. Cluster dither apparatus
US5335063A (en) * 1991-05-09 1994-08-02 Honeywell Inc. Laser path length control reset acceleration circuit
US5326163A (en) * 1991-05-10 1994-07-05 Honeywell Inc. Dither apparatus
US5329355A (en) * 1991-12-09 1994-07-12 Honeywell Inc. Dither stripper to leave base motion
US5359413A (en) * 1992-01-13 1994-10-25 Kearfott Guidance And Navigation Corporation System for substantially eleminating lock-in in a ring laser gyroscope
US5347361A (en) * 1992-04-08 1994-09-13 Honeywell Inc. Rotation sensor output signal processor
US5438410A (en) * 1992-06-18 1995-08-01 Honeywell Inc. Ring laser gyro bias drift improvement method and apparatus
US5402232A (en) * 1993-08-31 1995-03-28 Honeywell Inc. Sample and hold control method and apparatus for improved scale factor linearity
US5450198A (en) * 1993-10-01 1995-09-12 Honeywell Inc. Laser gyro microprocessor based smart mode acquisition and high performance mode hopping
US5416584A (en) * 1994-04-25 1995-05-16 Honeywell Inc. Sinusoidal noise injection into the dither of a ring laser gyroscope
US5811909A (en) * 1996-01-11 1998-09-22 Wuchinich; David G. Superthermoelastic resonators
US5867270A (en) * 1997-12-04 1999-02-02 Honeywell Inc. Mechanism and method for mounting piezoelectric transducers
US5950995A (en) * 1997-12-04 1999-09-14 Honeywell Inc. Ring laser gyroscope dither motor structure
US6311555B1 (en) * 1999-11-17 2001-11-06 American Gnc Corporation Angular rate producer with microelectromechanical system technology
US6683692B2 (en) 2001-06-21 2004-01-27 Honeywell International Dither system for motion sensors
US6476918B1 (en) * 2001-06-21 2002-11-05 Honeywell International Inc. Dither control system for a ring laser gyro
JP2010534823A (ja) * 2008-01-25 2010-11-11 コンクク、ユニバーシティー、インダストリアル、コーオペレーション、コーポレーション 自動利得制御ループを使用した力平衡制御システム及び制御方法
JP6058323B2 (ja) * 2012-09-11 2017-01-11 日本航空電子工業株式会社 リングレーザジャイロ
IL278744B2 (en) * 2017-12-01 2024-05-01 Arete Ass Resonator with insulated ring cavity
FI130012B (en) * 2018-08-29 2022-12-30 Ponsse Oyj Determination of a condition of a structural part in a working machine
CN112284411B (zh) * 2020-09-09 2023-07-28 北京航天时代激光导航技术有限责任公司 一种激光惯组的抖动控制方法
CN112682054B (zh) * 2020-12-03 2022-08-23 重庆文理学院 一种用于tbm施工监测的挖掘设备及其勘测方法
JP7807931B2 (ja) * 2022-02-08 2026-01-28 日本航空電子工業株式会社 リングレーザージャイロスコープ
CN118011319B (zh) * 2024-04-10 2024-06-07 四川大学 一种基于旋转相位差的光源定位系统及方法

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB770200A (en) * 1953-07-24 1957-03-20 Rca Corp Temperature controlled semi-conductor bias circuit
US3373650A (en) * 1965-04-02 1968-03-19 Honeywell Inc Laser angular rate sensor
US3627422A (en) * 1965-06-21 1971-12-14 Varian Associates Means for avoiding locking in ring lasers
US3714475A (en) * 1966-07-15 1973-01-30 H Eng Corp Resonator having counter rotating rigid parts
US3528029A (en) * 1966-09-20 1970-09-08 Sperry Rand Corp Ring laser having synchronized phase modulators for inhibiting mode pulling
US3462708A (en) * 1966-11-29 1969-08-19 Sperry Rand Corp Ring laser having a piezoelectric reflector external to the closed loop to cancel a frequency modulation within the loop
US3464657A (en) * 1967-08-30 1969-09-02 Us Army Vibration damped platform
US3555453A (en) * 1968-05-09 1971-01-12 Lansing Research Corp Stabilization of lasers or the like
US3752586A (en) * 1969-08-04 1973-08-14 North American Rockwell Minimizing frequency locking in ring laser gyroscopes
US3743969A (en) * 1969-11-12 1973-07-03 North American Rockwell Modulation servo control for frequency modulated ring laser gyro
US3715562A (en) * 1970-03-19 1973-02-06 Sperry Rand Corp Computer for use with ring laser rotational rate sensors
US4085825A (en) * 1975-04-03 1978-04-25 Rockwell International Corporation Vibratory system isolation and flexure pivot
US4115004A (en) * 1976-11-15 1978-09-19 Litton Systems, Inc. Counterbalanced oscillating ring laser gyro
US4152072A (en) * 1977-02-02 1979-05-01 Litton Systems, Inc. Photosensitive diodes for simplified optical heterodyning and cavity length control
US4113387A (en) * 1977-02-14 1978-09-12 Rockwell International Corporation Dual mode laser optics control for ring laser gyro
US4099876A (en) * 1977-03-14 1978-07-11 Rockwell International Corporation Phase-coded control for ring laser gyro
US4190364A (en) 1977-09-07 1980-02-26 The Singer Company Ring laser gyroscope
US4132482A (en) * 1977-09-12 1979-01-02 The Singer Company Feedback system for a ring laser gyro
GB1594047A (en) * 1978-05-31 1981-07-30 Litton Systems Inc Ring laser gyroscopes
US4255054A (en) * 1979-03-21 1981-03-10 The Singer Company Lock-in control system for spring suspended ring laser gyroscope
US4243324A (en) * 1979-03-21 1981-01-06 The Singer Company Feedback system for controlling lock-in in spring suspended ring laser gyroscope
US4277173A (en) * 1979-08-31 1981-07-07 The Singer Company Ring laser gyroscope dither drive circuit
US4309107A (en) * 1980-01-11 1982-01-05 Litton Systems, Inc. Laser gyro dither mechanism
US4321557A (en) * 1980-01-21 1982-03-23 Litton Systems, Inc. Laser gyro coupling system
US4314174A (en) * 1980-03-25 1982-02-02 Litton Systems, Inc. Piezoelectric transducer drive having temperature compensation
JPS58195B2 (ja) * 1980-06-17 1983-01-05 航空宇宙技術研究所長 リング・レ−ザを用いたレ−ザ・ジヤイロ
US4397027A (en) * 1981-01-05 1983-08-02 Raytheon Company Self-compensating gas discharge path for laser gyro
US4425040A (en) * 1981-01-29 1984-01-10 The Singer Company Ring laser gyroscope cluster for strapped down navigation
US4504146A (en) * 1981-07-06 1985-03-12 Honeywell Inc. Ring laser gyro system
DE3279480D1 (en) * 1981-07-06 1989-04-06 Honeywell Inc Method and apparatus for angular rate sensing
US4445779A (en) * 1981-07-06 1984-05-01 Honeywell Inc. Dither system for a spring mass system
US4695160A (en) * 1981-07-06 1987-09-22 Honeywell Inc. Error cancelling bias system

Also Published As

Publication number Publication date
GB2178224B (en) 1987-10-07
US4740084A (en) 1988-04-26
FR2543291A1 (fr) 1984-09-28
GB2131598B (en) 1987-10-28
CA1236204A (en) 1988-05-03
JPS59151017A (ja) 1984-08-29
GB2131598A (en) 1984-06-20
US4597667A (en) 1986-07-01
GB8332499D0 (en) 1984-01-11
GB8615679D0 (en) 1986-08-19
FR2537717A1 (fr) 1984-06-15
FR2543291B1 (fr) 1988-04-15
GB2178224A (en) 1987-02-04
IT8349460A0 (it) 1983-12-07
DE3344453A1 (de) 1984-06-14
FR2537717B1 (fr) 1991-05-03
JPH0738472B2 (ja) 1995-04-26

Similar Documents

Publication Publication Date Title
IT8349460A0 (it) Apparecchio e metodo per far vibrare sensori di rotazione angolare a laser anulare
IT1110799B (it) Metodo ed apparato per la compensazione di un sensore
FI834170A7 (fi) Menetelmä ja laite tyhjiöpakkaamiseksi ja näin saatu pakkaus.
FI97831B (fi) Laite ja menetelmä radioaktiivisen aineen koteloimiseksi
IT8223196A0 (it) Apparecchio e metodo per la pallinatura a graniglia.
ES533611A0 (es) Un metodo de preparacion de una composicion polimerica atomizable
FR2537029B1 (fr) Appareil a laser pour traiter des materiaux
FI844467A7 (fi) Menetelmä ja laite asemointisysteemin kalibroimiseksi.
FI95997B (fi) Menetelmä ja laite absorptiomassan muodostamiseen
IT8423754A0 (it) Metodo e dispositivo per macchine confezionatrici.
NO814339L (no) Piezoelektrisk drivanordning til aa vibrere ringlasergyroskop
ES529897A0 (es) Un metodo para preparar una formulacion ectoparasiticida
IT1198406B (it) Apparato di controllo per una macchina per costruzioni
FI840936A7 (fi) Menetelmä liitoksen eristämiseksi ja laitelma menetelmän toteuttamiseksi.
FI834526A7 (fi) Jäykkä kartonkiastia ja menetelmä ja laite sen valmistamiseksi.
DK274085D0 (da) Fremgangsmaade og apparat til maaling af deformationen af en roterendeaksel.
GB8800031D0 (en) Surveying apparatus & method
FI885074A7 (fi) Menetelmä nestemäisen sähköstaattisen kehitteen valmistamiseksi
FR2525178B1 (fr) Appareillage, machine et procede d'emballage
FI854371A7 (fi) Menetelmä ja laite verenkäsittelylaitteenesivalmistelemiseksi ja puhdistamiseksi.
IL78398A (en) Readout apparatus for a laser angular rate sensor
FI844171A7 (fi) Laite ja menetelmä kuvan muodostamiseksi ja tallentamiseksi.
ES536294A0 (es) Una instalacion de formacion de imagenes mediante ultrasonidos
EP0239946A3 (en) Readout apparatus for a ring laser angular rate sensor
FI881947A7 (fi) Menetelmä ja laite kiertokenttäkoneen kenttäkulman digitaaliseksi määrittämiseksi.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961220