FR3086066B1 - METHOD AND DEVICE FOR MONITORING THE OPERATION OF A ROAD RADAR. - Google Patents

METHOD AND DEVICE FOR MONITORING THE OPERATION OF A ROAD RADAR. Download PDF

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Publication number
FR3086066B1
FR3086066B1 FR1858217A FR1858217A FR3086066B1 FR 3086066 B1 FR3086066 B1 FR 3086066B1 FR 1858217 A FR1858217 A FR 1858217A FR 1858217 A FR1858217 A FR 1858217A FR 3086066 B1 FR3086066 B1 FR 3086066B1
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France
Prior art keywords
target
road
radar
electromagnetic waves
speed
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Active
Application number
FR1858217A
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French (fr)
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FR3086066A1 (en
Inventor
Sylvain Rombaux
Eric Guidon
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Idemia Identity and Security France SAS
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Idemia Identity and Security France SAS
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Publication date
Application filed by Idemia Identity and Security France SAS filed Critical Idemia Identity and Security France SAS
Priority to FR1858217A priority Critical patent/FR3086066B1/en
Publication of FR3086066A1 publication Critical patent/FR3086066A1/en
Application granted granted Critical
Publication of FR3086066B1 publication Critical patent/FR3086066B1/en
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Classifications

    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/92—Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems

Abstract

L'invention concerne un procédé et un dispositif de contrôle du fonctionnement d'un radar routier (Te) caractérisé en ce que le radar routier (Et) est un radar à large champ, deux cibles (Ca, Cb) sont comprises dans le champ, le radar routier émet des ondes électromagnétiques dans le champ large, une première cible (Ca) émet des ondes électromagnétiques dont la fréquence est dépendante de l'angle (αco) entre la trajectoire d'un véhicule simulé par la première cible et des ondes électromagnétiques émises par le radar routier, d'une vitesse de consigne du véhicule simulé, une seconde cible (Cb) émet des ondes électromagnétiques pour une détermination de la trajectoire du véhicule simulé par la première cible. Selon l'invention ; le dispositif de contrôle du fonctionnement d'un radar routier : - détermine la fréquence des ondes électromagnétiques émises par la première cible, - obtient du radar routier, des mesures de distances séparant le radar routier des première et seconde cibles, de la vitesse radiale du véhicule simulé par la première cible et mesurée par le radar routier, de valeurs d'angles de réception des ondes électromagnétiques émises par les première et seconde cibles, - calcule une vitesse du véhicule simulé par la première cible à partir des mesures de distances, des valeurs d'angles obtenues et de la vitesse radiale mesurée par le radar routier, - vérifie si la vitesse calculée est compatible avec la vitesse de consigne.The invention relates to a method and a device for controlling the operation of a road radar (Te) characterized in that the road radar (Et) is a wide-field radar, two targets (Ca, Cb) are included in the field , the road radar emits electromagnetic waves in the wide field, a first target (Ca) emits electromagnetic waves whose frequency is dependent on the angle (αco) between the trajectory of a vehicle simulated by the first target and waves electromagnetic waves emitted by the road radar, with a setpoint speed of the simulated vehicle, a second target (Cb) emits electromagnetic waves for a determination of the trajectory of the vehicle simulated by the first target. According to the invention; the device for controlling the operation of a road camera: - determines the frequency of the electromagnetic waves emitted by the first target, - obtains from the road radar, measurements of the distances separating the road camera from the first and second targets, of the radial speed of the vehicle simulated by the first target and measured by the road radar, values of the angles of reception of the electromagnetic waves emitted by the first and second targets, - calculates a speed of the vehicle simulated by the first target from measurements of distances, values of angles obtained and of the radial speed measured by the road camera, - checks whether the calculated speed is compatible with the set speed.

FR1858217A 2018-09-13 2018-09-13 METHOD AND DEVICE FOR MONITORING THE OPERATION OF A ROAD RADAR. Active FR3086066B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1858217A FR3086066B1 (en) 2018-09-13 2018-09-13 METHOD AND DEVICE FOR MONITORING THE OPERATION OF A ROAD RADAR.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1858217A FR3086066B1 (en) 2018-09-13 2018-09-13 METHOD AND DEVICE FOR MONITORING THE OPERATION OF A ROAD RADAR.

Publications (2)

Publication Number Publication Date
FR3086066A1 FR3086066A1 (en) 2020-03-20
FR3086066B1 true FR3086066B1 (en) 2021-01-29

Family

ID=65201406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1858217A Active FR3086066B1 (en) 2018-09-13 2018-09-13 METHOD AND DEVICE FOR MONITORING THE OPERATION OF A ROAD RADAR.

Country Status (1)

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FR (1) FR3086066B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111751817A (en) * 2020-07-21 2020-10-09 成都阶跃时进科技有限公司 Vehicle driving parameter measuring device and method
CN112529955B (en) * 2020-12-08 2023-09-29 北京首科丰汇科技有限公司 Road normalization and speed recovery method and device for expressway

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7038614B1 (en) * 2005-02-16 2006-05-02 Applied Concepts, Inc. Vehicular traffic surveillance Doppler radar system
DE102007022373A1 (en) * 2007-05-07 2008-11-13 Robot Visual Systems Gmbh Method for conclusively detecting the speed of a vehicle
DE102013019801B4 (en) * 2013-11-27 2018-01-11 Jenoptik Robot Gmbh Method for measuring the speed of a motor vehicle moving on a road
DE102014003152A1 (en) * 2014-03-03 2015-09-03 Jenoptik Robot Gmbh Method and device for determining at least one object parameter of a means of transport

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Publication number Publication date
FR3086066A1 (en) 2020-03-20

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