EP1237750A1 - Verfahren und vorrichtung zur fahrtrichtungsänderung- anzeige - Google Patents

Verfahren und vorrichtung zur fahrtrichtungsänderung- anzeige

Info

Publication number
EP1237750A1
EP1237750A1 EP01976428A EP01976428A EP1237750A1 EP 1237750 A1 EP1237750 A1 EP 1237750A1 EP 01976428 A EP01976428 A EP 01976428A EP 01976428 A EP01976428 A EP 01976428A EP 1237750 A1 EP1237750 A1 EP 1237750A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
speed
wheels
threshold value
steering angle
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.)
Withdrawn
Application number
EP01976428A
Other languages
English (en)
French (fr)
Inventor
Laurent Group scolaire JF Régnard - RB6 SEREZAT
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles 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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP1237750A1 publication Critical patent/EP1237750A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B60Q1/346—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction with automatic actuation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B60Q1/38—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction using immovably-mounted light sources, e.g. fixed flashing lamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B60Q1/40—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction having mechanical, electric or electronic automatic return to inoperative position

Definitions

  • the invention relates to a method for indicating the change of direction of a motor vehicle, as well as to a device for implementing the method.
  • the invention relates more particularly to a method for indicating the change of direction of a motor vehicle, comprising detecting the steering angle of the wheels of the vehicle with a view to automatically switching on the light means for indicating the change of direction.
  • the automatic ignition devices of the direction indicators of the prior art are not entirely satisfactory. Indeed, these devices can cause unnecessary untimely ignitions and are not sufficiently adapted to the operating conditions of the vehicle.
  • An object of the present invention is to provide a method for indicating the change of direction of a motor vehicle, overcoming all or part of the drawbacks of the prior art noted above.
  • the method for indicating the change of direction of a motor vehicle consists in detecting the steering angle of the wheels of the vehicle with a view to automatically switching on the luminous means for indicating the change of direction. , and includes a step of detecting the presence of another adjacent vehicle and / or crossing a line of marking on the ground separating lanes, and in that, when the steering angle of the wheels is greater than a determined threshold value and the presence of an adjacent vehicle and / or the crossing of a lane separation line is detected , the corresponding direction change indication light means are switched on automatically.
  • the invention may include one or more of the following characteristics:
  • the method comprises a step of measuring the speed of the vehicle and a step of determining the threshold value of the steering angle as a function of the speed of the vehicle,
  • the threshold value of the steering angle of the wheels is substantially equal to a first determined constant value
  • the threshold value of the steering angle of the wheels decreases when the vehicle speed increases
  • the threshold value of the steering angle of the wheels is substantially equal to a second determined constant value
  • Another object of the invention is to propose a device for indicating the change of direction of a motor vehicle for implementing the method according to any one of the preceding characteristics. This object is achieved by the fact that the device for indicating the change of direction of a motor vehicle comprises light signaling means, means for acquiring data relating to the operating conditions of the vehicle capable of determining the deflection.
  • the data acquisition means are capable of detecting the presence or not of another adjacent vehicle and / or the crossing of a line of marking on the ground separating traffic lanes, to ensure the automatic lighting of the light signaling means when the turning angle of the wheels is greater than a determined threshold value and that the presence of an adjacent vehicle and / or the crossing of a lane separation line is detected.
  • the invention may include one or more of the following characteristics:
  • the data acquisition means are capable of determining the speed of the vehicle, and in that the supply voltage control means determine the threshold value of the steering angle of the wheels as a function of the speed of the vehicle,
  • the means for acquiring data relating to the operating conditions of the vehicle comprise detection means of the radar type, for detecting the possible presence of another adjacent vehicle,
  • the means for acquiring data relating to the operating conditions of the vehicle include means for receiving information representative of the state of road traffic transmitted by satellite-type transmission means, to detect the possible presence of a other adjacent vehicle,
  • the means for acquiring data relating to the conditions of operation of the vehicle include means for detecting the position of the vehicle with respect to the lines of marking on the ground separating the traffic lanes, such as transmission and reception means infrared, to detect the possible crossing of these by the vehicle.
  • FIG. 1 represents a top view of a motor vehicle comprising light means for indicating a change of direction
  • FIG. 2 schematically represents the structure and the operation of a device for indicating the change of direction according to the invention
  • FIG. 3 shows a curve illustrating the variation according to the invention of a turning threshold of the vehicle wheels as a function of the speed of the vehicle.
  • the vehicle 1 illustrated in FIG. 1 comprises means 2, 12 intended to indicate a change of direction by the generation of light signals 9.
  • the means 2, 12 for indicating a change of direction may consist of flashing lamps.
  • These flashing lights 2, 12 can be located at the front, at the rear and possibly in the central part of the vehicle 1 in the form of side repeaters.
  • the device for indicating a change of direction comprises means 5, 6, 7, 8, 10 for acquiring data relating to the operating conditions of the vehicle. These data acquisition means are connected to means 4, 3 for controlling the supply voltage of the light signaling means 2, 12.
  • the electronic architecture of the lighting device can be a multiplexed architecture, for example of the VAN or CAN type.
  • the means 3, 4 for controlling the lighting of the flashing lamps 2, 12 comprise a control computer 4, for example the Intelligent Service Unit (BSI) of the vehicle.
  • BSI Intelligent Service Unit
  • the means 5, 6, 7, 8, 1 0 for acquiring data relating to the operating conditions of the vehicle are connected to the control computer 4.
  • the control computer 4 is connected, via a bus 1 1, to an actuator 3 capable of supplying or not supplying a supply voltage to the means 2, 12 for light indication.
  • the actuator 3 is connected, by means of a first line 13, to the flashing lamps 2 located on the same side of the vehicle 1.
  • the actuator 3 is also connected, by means of a second line 14, to the flashing lamps 12 located on the other side of the vehicle.
  • the means for acquiring data relating to the operating conditions of the vehicle comprise means for measuring the steering angle of the wheels, such as a steering wheel angle sensor 5.
  • the data acquisition means also comprise means 6 for detecting the presence or not of another adjacent vehicle located upstream and / or behind and / or laterally with respect to the vehicle 1.
  • the computer 4 controls the actuator 3 to automatically turn on the indicators 2 , 12 lights located on the side of the vehicle corresponding to the steering of the wheels.
  • the means 6 for detecting the presence of an adjacent vehicle may consist, for example, of a radar system such as that of an anti-collision device. Conventionally, these anti-collision systems are arranged in the front and rear parts of the vehicle to detect the presence and the distance of the vehicles, located upstream and / or downstream and possibly laterally, by using the phenomenon of reflection of the radar waves.
  • the means for detecting the presence of an adjacent vehicle may consist of any other equivalent device such as, for example, a system 7 for receiving information representative of the state of road traffic emitted by means of broadcast such as a satellite. That is to say that the control computer 4 can be informed of the possible presence of an adjacent vehicle by means of satellite information such as a "GPS".
  • the threshold angle E1 of the wheel turning necessary to cause the automatic lighting means 2, 12 of light signaling is, for example, between 10 and 40 degrees and preferably equal to about 30 degrees.
  • the data acquisition means comprise means 10 for determining the speed V of the vehicle, such as a speed sensor.
  • the threshold angle E1 of the steering wheel necessary for the automatic ignition of the direction indication means 2, 12 can vary as a function of the speed V of the vehicle.
  • Figure 3 illustrates an example of variation of the threshold angle
  • the threshold value E1 of the steering angle of the wheels is substantially equal to a first determined constant value ⁇ 2.
  • the first speed V1 is substantially equal to 20 km / h.
  • the first constant value ⁇ 2 is between 20 and 40 degrees and preferably of the order of 30 degrees.
  • the threshold value E1 of the steering angle of the wheels decreases when the speed V of the vehicle increases.
  • the second speed V2 is for example between 40 and 60km / h approximately and is preferably equal to 50km / h.
  • the threshold turning angle E1 is inversely proportional to the speed V of the vehicle between the first V1 and second speeds V2.
  • the threshold value E1 of the steering angle of the wheels is substantially equal to a second constant value determined ⁇ 1.
  • the second constant ⁇ 1 is, for example, between 5 and 20 degrees and preferably equal to 10 degrees.
  • the threshold value E1 of the steering angle of the wheels can increase when the speed of the vehicle increases.
  • the threshold turning angle E1 increases linearly with the speed of the vehicle.
  • the device according to the invention thus makes it possible to effectively signal changes of direction of a vehicle, while adapting to the conditions of use of the vehicle.
  • the device according to the invention may include means 8 for detecting the position of the vehicle 1 relative to the marking lines on the ground separating the traffic lanes.
  • These detection means 8 are in particular capable of detecting the possible crossing of these lines by the vehicle.
  • these detection means 8 can consist of a system for emitting infrared waves and for receiving waves reflected by the ground, such as that described in document EP 860001. In this way, when the crossing, even partial, of a marking line on the ground is detected, or when the vehicle comes too close to it and the steering angle of the wheels is greater than the threshold E1, the computer 4 controls the automatic switching on of the corresponding signaling means 2, 12. As a variant, the infrared detection means 8 can also ensure the detection of the presence of an adjacent vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Traffic Control Systems (AREA)
EP01976428A 2000-10-17 2001-10-12 Verfahren und vorrichtung zur fahrtrichtungsänderung- anzeige Withdrawn EP1237750A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0013283 2000-10-17
FR0013283A FR2815311B1 (fr) 2000-10-17 2000-10-17 Procede d'indication du changement de direction d'un vehicule automobile et dispositif de mise en oeuvre du procede
PCT/FR2001/003176 WO2002032719A1 (fr) 2000-10-17 2001-10-12 Procede d"indication du changement de direction d"un vehicule automobile et dispositif de mise en oeuvre du procede

Publications (1)

Publication Number Publication Date
EP1237750A1 true EP1237750A1 (de) 2002-09-11

Family

ID=8855432

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01976428A Withdrawn EP1237750A1 (de) 2000-10-17 2001-10-12 Verfahren und vorrichtung zur fahrtrichtungsänderung- anzeige

Country Status (5)

Country Link
US (1) US6768933B2 (de)
EP (1) EP1237750A1 (de)
JP (2) JP2004511389A (de)
FR (1) FR2815311B1 (de)
WO (1) WO2002032719A1 (de)

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KR101098080B1 (ko) * 2009-09-22 2011-12-26 대성전기공업 주식회사 차량의 방향 지시등 자동 구동 장치 및 그 방법
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Also Published As

Publication number Publication date
JP2004511389A (ja) 2004-04-15
FR2815311B1 (fr) 2003-01-03
US20030004643A1 (en) 2003-01-02
US6768933B2 (en) 2004-07-27
FR2815311A1 (fr) 2002-04-19
JP2008100677A (ja) 2008-05-01
WO2002032719A1 (fr) 2002-04-25

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