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FR2835348A1 - Automatic limiter to limit a motor vehicle's speed to that of the road section over which the vehicle is travelling comprises a mirror arrangement on the road surface that is detected by a vehicle system and used to regulate speed - Google Patents

Automatic limiter to limit a motor vehicle's speed to that of the road section over which the vehicle is travelling comprises a mirror arrangement on the road surface that is detected by a vehicle system and used to regulate speed Download PDF

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Publication number
FR2835348A1
FR2835348A1 FR0201005A FR0201005A FR2835348A1 FR 2835348 A1 FR2835348 A1 FR 2835348A1 FR 0201005 A FR0201005 A FR 0201005A FR 0201005 A FR0201005 A FR 0201005A FR 2835348 A1 FR2835348 A1 FR 2835348A1
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Prior art keywords
vehicle
speed
mirrors
transmitter
value
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FR0201005A
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French (fr)
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FR2835348B1 (en
Inventor
Francis Dauphin
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Priority to FR0201005A priority Critical patent/FR2835348B1/en
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Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096725Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/0058Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator responsive to externally generated signalling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00Brake-action initiating means
    • B60T7/12Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/126Brakes for railway vehicles coming into operation in case of exceeding a predetermined speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/14Adaptive cruise control
    • B60W30/143Speed control
    • B60W30/146Speed limiting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096783Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2555/00Input parameters relating to exterior conditions, not covered by groups B60W2552/00, B60W2554/00
    • B60W2555/60Traffic rules, e.g. speed limits or right of way

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Atmospheric Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Regulating Braking Force (AREA)

Abstract

The device for ensuring motor vehicles do not exceed indicated speed limits comprises an optoelectronic module that emits a light ray towards mirrors on the road surface and detects the reflection. The signal is analyzed to determine the speed limit for the section of road over which the vehicle is travelling. Dependent on the determined value a controller automatically adjusts vehicle speed by controlling fuel injection and or the vehicle braking system.

Description

<Desc/Clms Page number 1> <Desc / Clms Page number 1>

La présente invention concerne un dispositif pour que les véhicules automobiles lisent et respectent d'eux mêmes les diverses limitations de vitesse indiquées. jusqu'à présent, le respect des limitations de vitesse des véhicules automobiles, tenait de l'attention et de la volonté de leur conducteur et pouvait en cas d'excès être la cause d'accidents. certains véhicules sont équipés d'alarmes sonores ou visuelles ou d'une coupure moteur en cas d'excès de vitesse ou d'approche d'obstacle, mais elle doit toujours être programmée à l'avance par le conducteur à chaque fois qu'elle change.  The present invention relates to a device for motor vehicles to read and respect for themselves the various speed limits indicated. Until now, compliance with speed limits for motor vehicles has been the focus of the driver's attention and will, and in the event of an excess, could cause accidents. certain vehicles are fitted with audible or visual alarms or an engine cut-off in the event of speeding or approaching an obstacle, but it must always be programmed in advance by the driver each time it exchange.

Le dispositif selon l'invention permet de remédier à cet inconvénient. il comporte en effet selon une première caractéristique un module électronique fixé sous le véhicule qui émet perpendiculairement à ses axes médians, vers le revêtement de la voie de circulation, un rayon lumineux.  The device according to the invention overcomes this drawback. according to a first characteristic, it in fact comprises an electronic module fixed under the vehicle which emits perpendicularly to its median axes, towards the surface of the traffic lane, a light ray.

Sur tout le travers et en surface de cette voie, deux étroits miroirs réfléchissants sont fixés face à face à 45 d'inclinaison afin de recevoir du véhicule le rayon et de le renvoyer à 1800 vers un capteur. La distance entre les deux miroirs représente la valeur de l'information à transmettre.  On all the cross and on the surface of this track, two narrow reflecting mirrors are fixed face to face at 45 of inclination in order to receive from the vehicle the ray and to return it to 1800 towards a sensor. The distance between the two mirrors represents the value of the information to be transmitted.

En frappant le miroir en amont, le rayon lumineux est parallèlement à la surface de la voie, réfléchi vers le miroir en aval et repart instantanément dans la direction d'où il vient dans un parallélisme précis. un des capteurs dont la distance avec l'émetteur correspond à l'écartement préétabli des miroirs au sol, reçoit l'information de la valeur de la vitesse demandée.  By striking the mirror upstream, the light ray is parallel to the surface of the track, reflected towards the mirror downstream and instantly goes back in the direction from which it comes in a precise parallelism. one of the sensors whose distance from the transmitter corresponds to the preset spacing of the mirrors on the ground, receives the information of the value of the requested speed.

Les alignements de capteurs sont disposés en arc de  The sensor alignments are arranged in an arc of

<Desc/Clms Page number 2><Desc / Clms Page number 2>

cercle sur 900 à l'avant de l'émetteur et orientés vers lui.  circle on 900 at the front of the transmitter and oriented towards it.

L'orientation des miroirs au sol en travers de la voie de circulation est perpendiculaire à l'alignement des capteurs concernés. The orientation of the mirrors on the ground across the taxiway is perpendicular to the alignment of the sensors concerned.

Lorsque le logiciel du module qui reçoit par ailleurs l'information de la vitesse du véhicule trouve que celle-ci est supérieure à celle exigée, il coupe l'électrovanne de l'injection de carburant qui alimentele moteur.  When the module software which also receives the vehicle speed information finds that it is higher than that required, it cuts the solenoid valve of the fuel injection which supplies the engine.

Ce logiciel fournit à celui du système de freinage électrique des roues la valeur de l'écart entre la vitesse lue et celle demandée afin que les freins soient actionnés automatiquement avec une puissance inversement proportionnelle.

Figure img00020001

selon des modes particuliers de réalisation : le logiciel pourra conserver indéfiniment en mémoire sa dernière action tant qu'il n'aura pas détecté une nouvelle valeur. le logiciel peut recevoir l'information de la vitesse du véhicule par un compte tour électronique à palpeur. This software provides that of the electric wheel braking system with the value of the difference between the speed read and that required so that the brakes are applied automatically with inversely proportional power.
Figure img00020001

according to particular embodiments: the software can keep its last action in memory indefinitely as long as it has not detected a new value. the software can receive vehicle speed information via an electronic feeler lap counter.

La détection de la vitesse zéro, peut représenter une barrière virtuelle d'accès à une voie ou d'un sens interdit et l'alimentation du moteur qui était coupé, pourra de nouveau s'établir électriquement en direct de la boîte de vitesse mais uniquement sur les positions marche arrière ou neutre le rayon lumineux peut être produit soit par un simple LED ou par infrarouge ou par laser ou toute autre source. les miroirs peuvent être fixés sur un panneau support mobile afin d'être installés provisoirement. The detection of zero speed, can represent a virtual barrier to access to a lane or a prohibited direction and the supply of the engine which was cut off, can again be established electrically direct from the gearbox but only in the reverse or neutral positions the light beam can be produced either by a simple LED or by infrared or laser or any other source. the mirrors can be fixed on a mobile support panel in order to be temporarily installed.

<Desc/Clms Page number 3> <Desc / Clms Page number 3>

Les dessins annexés illustrent l'invention : La figure 1 représente en coupe, le dispositif de l'invention.  The accompanying drawings illustrate the invention: Figure 1 shows in section, the device of the invention.

La figure 2 représente en plan d'augmentation des capacités d'information. Figure 2 shows a plan for increasing information capacities.

En référence à ces dessins le dispositif comporte sous le véhicule, un module électronique dont le logiciel fournira une action sur les freins ainsi que sur l'alimentation de carburant ; un émetteur (1) d'un rayon lumineux (2) qui après avoir été projeté sur un jeu de miroirs (3 et 4) vers le sol, revient à 1800parallèlement et à une distance variable à l'avant de l'émetteur dans un secteur de 90 pour être reçu par un des capteurs (8) lequel va transmettre au logiciel la valeur (5) de l'information. chaque capteur a une valeur différente. Tous les capteurs (8) sont alignés sur une même ligne orientée en direction de l'émetteur (1). Plusieurs lignes de capteurs (8) peuvent être disposées dans un rayon de cercle à 900 devant et orientés vers un seul et même émetteur.  With reference to these drawings, the device comprises, under the vehicle, an electronic module whose software will provide action on the brakes as well as on the fuel supply; a transmitter (1) with a light beam (2) which after being projected onto a set of mirrors (3 and 4) towards the ground, returns to 1800 at the same time and at a variable distance from the front of the transmitter in a sector of 90 to be received by one of the sensors (8) which will transmit the value (5) of the information to the software. each sensor has a different value. All the sensors (8) are aligned on the same line oriented in the direction of the transmitter (1). Several lines of sensors (8) can be arranged in a radius of a circle 900 in front and oriented towards a single transmitter.

Le deuxième élément est le réflecteur au sol en travers de la voie de circulation où sont fixés à chant les miroirs (3 et 4), d'une largeur d'environ 5cm et inclinés face à face à 45 .  The second element is the ground reflector across the traffic lane where the mirrors (3 and 4) are fixed on edge, with a width of around 5cm and inclined face to face at 45.

La distance d'axe en axe entre eux représente la valeur () de l'information qui doit être renvoyée vers le capteur (8). The distance from axis to axis between them represents the value () of the information which must be sent back to the sensor (8).

Cette valeur (5) doit avoir la même direction et la même longueur que celle qui est entre l'émetteur (1) et le capteur (8).  This value (5) must have the same direction and the same length as that which is between the transmitter (1) and the sensor (8).

Le dispositif selon l'invention est particulièrement destiné à ne pas dépasser les vitesses demandées. The device according to the invention is particularly intended not to exceed the requested speeds.

Claims (9)

à vis du premier, a aussi un position à 45 qui permet de faire repartir à 180 le rayon parallèlement à son émission et vers le capteur (8) qui correspond à la valeur (5) égale avec celle qu'il a avec l'émetteur (1).  with respect to the first, also has a position at 45 which allows the ray to start again at 180 parallel to its emission and towards the sensor (8) which corresponds to the value (5) equal to that which it has with the transmitter (1).
Figure img00040001
Figure img00040001
REVENDICATIONS l) Dispositif pour que les véhicules automobiles ne dépassent pas les limitations de vitesse indiquées caractérisé par un module électronique (9) dont l'émetteur envoie un rayon lumineux (2) en direction du sol sous le véhicule vers un premier miroir (3) à renvoi d'angle de 90 vers un deuxième miroir (4) se trouvant à une distance représentant la valeur (5) de l'information à capter. ce deuxième miroir (4), en vis CLAIMS l) Device so that motor vehicles do not exceed the speed limits indicated, characterized by an electronic module (9), the transmitter of which sends a light beam (2) towards the ground under the vehicle towards a first mirror (3) with an angle of 90 to a second mirror (4) located at a distance representing the value (5) of the information to be captured. this second mirror (4), in screw
2) Dispositif selon la revendication 1 caractérisé en ce que le rayon lumineux (2) est toujours bien orienté par rapport aux miroirs (3 et 4) du fait du parallélisme constant du véhicule avec le sol.  2) Device according to claim 1 characterized in that the light ray (2) is always well oriented relative to the mirrors (3 and 4) due to the constant parallelism of the vehicle with the ground. 3) Dispositif selon la revendication 1 caractérisé en ce que la distance entre les miroirs (3 et 4) représente la valeur (5) de l'information à détecter.  3) Device according to claim 1 characterized in that the distance between the mirrors (3 and 4) represents the value (5) of the information to be detected. 4) Dispositif selon les revendications 1 et 3 caractérisé en ce que la distance entre l'émetteur (1) et le capteur (8) est égale à la valeur (5).  4) Device according to claims 1 and 3 characterized in that the distance between the transmitter (1) and the sensor (8) is equal to the value (5). 5) Dispositif selon la revendication 1 caractérisé en ce qu'il peut y avoir autant de valeurs (5) qu'il y a de capteurs.  5) Device according to claim 1 characterized in that there can be as many values (5) as there are sensors. 6) Dispositif selon la revendication lcaractérisé en ce que  6) Device according to claim lcaractérisé in that <Desc/Clms Page number 5><Desc / Clms Page number 5> l'orientation des miroirs (3 et 4) en travers de la voie de circulation doit être perpendiculaire à l'alignement des capteurs (8) concernés the orientation of the mirrors (3 and 4) across the traffic lane must be perpendicular to the alignment of the sensors (8) concerned 7) Dispositif selon l'une des quelconques revendications précédentes caractérisé en ce que le capteur (8) concerné se trouve à l'avant ou à l'arrière de l'émetteur (1) par rapport au sens de déplacement et dans un secteur de cercle ne dépassant pas les 90 . 7) Device according to any one of the preceding claims, characterized in that the sensor (8) concerned is located at the front or at the rear of the transmitter (1) relative to the direction of movement and in a sector of circle not exceeding 90. 8) Dispositif selon les revendications 1 et 2 caractérisé en ce que les bandes de miroirs sont disposées en travers de la voie de circulation avec une fixation qui les rends mobiles.  8) Device according to claims 1 and 2 characterized in that the strips of mirrors are arranged across the traffic lane with a fixing which makes them mobile. 9) Dispositif selon la revendication 1 caractérisé en ce que le capteur transmet l'information au logiciel qui en déduira s'il doit ou non couper l'alimentation en carburant et activer le logiciel des freins. 9) Device according to claim 1 characterized in that the sensor transmits information to the software which will deduce whether or not it must cut the fuel supply and activate the brake software.
FR0201005A 2002-01-29 2002-01-29 AUTOMATIC SPEED LIMITER FOR MOTOR VEHICLES Expired - Fee Related FR2835348B1 (en)

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FR0201005A FR2835348B1 (en) 2002-01-29 2002-01-29 AUTOMATIC SPEED LIMITER FOR MOTOR VEHICLES

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FR2835348B1 FR2835348B1 (en) 2004-07-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220119020A1 (en) * 2016-08-08 2022-04-21 Transportation Ip Holdings, Llc Vehicle Control System

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911635A (en) * 1956-12-03 1959-11-03 Jack H Ross Signal equipment for motor vehicles
FR2082915A5 (en) * 1970-06-03 1971-12-10 Tuffet Pierre
FR2666832A1 (en) * 1990-09-19 1992-03-20 Boccon Gibod Henry Method for road signalling with automatic processing
BE1010379A7 (en) * 1996-06-21 1998-07-07 Brousmiche Dominique Permanent or temporary sound and visual alarm on a roadway
WO1999026213A1 (en) * 1997-11-19 1999-05-27 Mcevoy, John Speed limit indicator
EP1071059A1 (en) * 1999-07-23 2001-01-24 PHF-Création Sàrl Signaling device, in particular for roads

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911635A (en) * 1956-12-03 1959-11-03 Jack H Ross Signal equipment for motor vehicles
FR2082915A5 (en) * 1970-06-03 1971-12-10 Tuffet Pierre
FR2666832A1 (en) * 1990-09-19 1992-03-20 Boccon Gibod Henry Method for road signalling with automatic processing
BE1010379A7 (en) * 1996-06-21 1998-07-07 Brousmiche Dominique Permanent or temporary sound and visual alarm on a roadway
WO1999026213A1 (en) * 1997-11-19 1999-05-27 Mcevoy, John Speed limit indicator
EP1071059A1 (en) * 1999-07-23 2001-01-24 PHF-Création Sàrl Signaling device, in particular for roads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220119020A1 (en) * 2016-08-08 2022-04-21 Transportation Ip Holdings, Llc Vehicle Control System

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