GB2023294A - Navigation device for a surface vehicle - Google Patents

Navigation device for a surface vehicle

Info

Publication number
GB2023294A
GB2023294A GB7919977A GB7919977A GB2023294A GB 2023294 A GB2023294 A GB 2023294A GB 7919977 A GB7919977 A GB 7919977A GB 7919977 A GB7919977 A GB 7919977A GB 2023294 A GB2023294 A GB 2023294A
Authority
GB
United Kingdom
Prior art keywords
vehicle
gyroscope
gimbals
phi
heading
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
GB7919977A
Other versions
GB2023294B (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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Publication of GB2023294A publication Critical patent/GB2023294A/en
Application granted granted Critical
Publication of GB2023294B publication Critical patent/GB2023294B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
    • G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • G01C21/183—Compensation of inertial measurements, e.g. for temperature effects
    • 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
    • G01C19/02—Rotary gyroscopes
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Navigation (AREA)
  • Gyroscopes (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

A navigation device for surface vehicles comprises a platform 1 with two gimbals with perpendicular axes YY, ZZ and bearing a gyroscope stabilizing the gimbals by servo- control. With the vehicle stopped the axis of rotation XX of the gyroscope is made co-axial with North and then it is allowed to drift freely with the gimbals stabilized the angle phi between XX and north and the angle between XX and the vertical being calculated, the heading of the vehicle deduced and the vehicle started, the gyroscope then being used as a heading indicator. The gyroscope has axes of sensitivity parallel to YY, ZZ. Means 4 detects the vertical relative to YY and XX giving signals Sfx, Sfy. Other sensors give signals Swy and Swz of the position of YY and ZZ. Processor 5 calculates phi from all of these signals, and from a signal of the time for the vehicle to cover a certain distance. From the components of phi the vehicle heading and using a signal of the distance travelled, the vehicle positions are determined. <IMAGE>
GB7919977A 1978-06-14 1979-06-08 Navigation device for surface vehicles Expired GB2023294B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7817804A FR2428819A1 (en) 1978-06-14 1978-06-14 IMPROVEMENTS ON NAVIGATION DEVICES FOR SURFACE VEHICLES

Publications (2)

Publication Number Publication Date
GB2023294A true GB2023294A (en) 1979-12-28
GB2023294B GB2023294B (en) 1982-11-03

Family

ID=9209500

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7919977A Expired GB2023294B (en) 1978-06-14 1979-06-08 Navigation device for surface vehicles

Country Status (7)

Country Link
JP (1) JPS5536788A (en)
CH (1) CH632591A5 (en)
DE (1) DE2923988C2 (en)
FR (1) FR2428819A1 (en)
GB (1) GB2023294B (en)
IT (1) IT1121290B (en)
SE (1) SE448321B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2082801B (en) * 1980-08-27 1983-12-21 Ferranti Ltd Inertial platform
DE3233029A1 (en) * 1981-09-18 1983-04-07 Société d'Applications Générales d'Electricité et de Mécanique SAGEM, 75783 Paris GYROSCOPIC NAVIGATION DEVICE WITH GUIDE OR STABILIZATION FUNCTIONS
JPS5919857U (en) * 1982-07-28 1984-02-07 丸井産業株式会社 construction clamps

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214983A (en) * 1960-04-11 1965-11-02 North American Aviation Inc Attitude reference
NL272713A (en) * 1960-12-21
DE1258123B (en) * 1964-08-29 1968-01-04 Teldix Luftfahrt Ausruestung Direction-seeking and direction-keeping gyroscopic device
DE1548467A1 (en) * 1966-11-29 1969-11-20 Licentia Gmbh Directional gyro
US3750456A (en) * 1970-12-30 1973-08-07 Collins Radio Co Means for determining heading alignment in an inertial navigation system
US3746281A (en) * 1971-08-04 1973-07-17 Us Army Hybrid strapdown guidance system
US3962797A (en) * 1974-10-17 1976-06-15 The Singer Company Self contained quick reacting wide angle gyrocompassing
DE2545025B2 (en) * 1975-10-08 1980-09-11 Bodenseewerk Geraetetechnik Gmbh, 7770 Ueberlingen Navigation device for navigating land vehicles
DE2744431C2 (en) * 1977-10-03 1987-12-23 Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen Navigation device for navigating land vehicles

Also Published As

Publication number Publication date
GB2023294B (en) 1982-11-03
CH632591A5 (en) 1982-10-15
DE2923988C2 (en) 1983-11-24
DE2923988A1 (en) 1980-01-03
IT1121290B (en) 1986-04-02
SE448321B (en) 1987-02-09
JPS5536788A (en) 1980-03-14
SE7905206L (en) 1979-12-15
IT7923527A0 (en) 1979-06-13
FR2428819B1 (en) 1981-02-20
FR2428819A1 (en) 1980-01-11

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Legal Events

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

Effective date: 19940608