FR3041769B1 - GEOLOCATION PROCESS - Google Patents

GEOLOCATION PROCESS Download PDF

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Publication number
FR3041769B1
FR3041769B1 FR1502035A FR1502035A FR3041769B1 FR 3041769 B1 FR3041769 B1 FR 3041769B1 FR 1502035 A FR1502035 A FR 1502035A FR 1502035 A FR1502035 A FR 1502035A FR 3041769 B1 FR3041769 B1 FR 3041769B1
Authority
FR
France
Prior art keywords
carrier
bitter
estimate
distance
ins
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.)
Active
Application number
FR1502035A
Other languages
French (fr)
Other versions
FR3041769A1 (en
Inventor
Loic Davain
Simon FABIEN
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.)
Safran Electronics and Defense SAS
Original Assignee
Safran Electronics and Defense SAS
Sagem Defense Securite 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 Safran Electronics and Defense SAS, Sagem Defense Securite SA filed Critical Safran Electronics and Defense SAS
Priority to FR1502035A priority Critical patent/FR3041769B1/en
Publication of FR3041769A1 publication Critical patent/FR3041769A1/en
Application granted granted Critical
Publication of FR3041769B1 publication Critical patent/FR3041769B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01C21/165—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 combined with non-inertial navigation instruments
    • G01C21/1656—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 combined with non-inertial navigation instruments with passive imaging devices, e.g. cameras
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/4808—Evaluating distance, position or velocity data

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Navigation (AREA)

Abstract

La présente invention concerne un procédé de géolocalisation d'un porteur mobile (P), comprenant des étapes de sélection (104) d'un amer (A1) en vue du porteur mobile (P), mesure (106) d'une première distance (D1) entre l'amer (A1) et le porteur (P), alors que le porteur (P) occupe une première position, calcul (110) d'une première estimation de la position de l'amer (A1) à partir de la première distance mesurée et d'une estimation de la première position du porteur (P) fournie par une centrale inertielle (INS), mesure (106) d'une deuxième distance (D2) entre l'amer (A1) et le porteur (P), alors que le porteur (P) occupe une deuxième position différente de la première position, calcul (110) d'une deuxième estimation de la position de l'amer (A1) à partir de la deuxième distance (D2) et d'une estimation de la deuxième position du porteur (P) fournie par la centrale inertielle (INS), correction (114) d'un état de navigation du porteur estimé par la centrale inertielle (INS) à partir d'un écart entre les première et deuxième estimations de position de l'amer (A1), de sorte à produire un état de navigation corrigé.The present invention relates to a method of geolocation of a mobile carrier (P), comprising steps of selecting (104) a bitter (A1) in view of the mobile carrier (P), measurement (106) of a first distance (D1) between the bitter (A1) and the carrier (P), while the carrier (P) occupies a first position, calculation (110) of a first estimate of the position of the bitter (A1) from of the first measured distance and an estimate of the first position of the carrier (P) provided by an inertial unit (INS), measurement (106) of a second distance (D2) between the bitter (A1) and the carrier (P), while the carrier (P) occupies a second position different from the first position, calculation (110) of a second estimate of the position of the bitter (A1) from the second distance (D2) and an estimate of the second position of the carrier (P) provided by the inertial unit (INS), correction (114) of a navigation state of the carrier estimated by the inertial unit lle (INS) from a difference between the first and second bitter position estimates (A1), so as to produce a corrected navigation state.

FR1502035A 2015-09-30 2015-09-30 GEOLOCATION PROCESS Active FR3041769B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1502035A FR3041769B1 (en) 2015-09-30 2015-09-30 GEOLOCATION PROCESS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1502035A FR3041769B1 (en) 2015-09-30 2015-09-30 GEOLOCATION PROCESS
FR1502035 2015-09-30

Publications (2)

Publication Number Publication Date
FR3041769A1 FR3041769A1 (en) 2017-03-31
FR3041769B1 true FR3041769B1 (en) 2020-03-20

Family

ID=55299513

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1502035A Active FR3041769B1 (en) 2015-09-30 2015-09-30 GEOLOCATION PROCESS

Country Status (1)

Country Link
FR (1) FR3041769B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3114659B1 (en) * 2020-09-25 2022-08-19 Thales Sa REGISTRATION METHOD ON A PLURALITY OF LANDMARKS, COMPUTER PROGRAM PRODUCT AND ASSOCIATED REGISTRATION DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715476B1 (en) * 1994-01-21 1996-02-23 Thomson Csf Method and device for air / ground telemetry for the positioning of an aircraft.
US7463340B2 (en) * 2007-03-28 2008-12-09 Honeywell International Inc. Ladar-based motion estimation for navigation
US8577539B1 (en) * 2010-01-27 2013-11-05 The United States Of America As Represented By The Secretary Of The Air Force Coded aperture aided navigation and geolocation systems

Also Published As

Publication number Publication date
FR3041769A1 (en) 2017-03-31

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