WO2010136410A1 - Procede de reglage de projecteurs pour vehicule automobile - Google Patents
Procede de reglage de projecteurs pour vehicule automobile Download PDFInfo
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- WO2010136410A1 WO2010136410A1 PCT/EP2010/057074 EP2010057074W WO2010136410A1 WO 2010136410 A1 WO2010136410 A1 WO 2010136410A1 EP 2010057074 W EP2010057074 W EP 2010057074W WO 2010136410 A1 WO2010136410 A1 WO 2010136410A1
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- WIPO (PCT)
- Prior art keywords
- angle
- lateral
- vehicle
- target vehicle
- projector
- Prior art date
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Classifications
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- 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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
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- 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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/12—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
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- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/05—Special features for controlling or switching of the light beam
- B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
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- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/41—Indexing codes relating to other road users or special conditions preceding vehicle
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- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
Definitions
- the present invention relates to a motor vehicle headlamp setting method, comprising a step of calculating a projector angle.
- a known state of the art of motor vehicle headlamp setting method comprises a step of calculating a projector angle in the case where the vehicle approaches a turn which allows to obtain the trajectory of the vehicle .
- the method comprises a step of mechanically rotating an optical module implanted in the headlight so as to laterally offset the cut-off of the beams of the headlamps in order to illuminate the trajectory followed by the vehicle and thus the bend approached.
- Dynamic Bending Light a dynamic adjustment of projectors
- another method of adjusting the projectors comprises a step of concealing the beam of the projectors of the motor vehicle with a cache moving substantially vertically (or in rotation) so as to shift vertically the cutoff of said beam to optimize the illumination of the road.
- progressive type called “Progressive Beam”
- the projectors are used in this case with an increased range of beams. With this progressive lighting, it increases the visibility of the driver of the vehicle.
- another adjustment method includes a step of using the projectors with increased beam reach when the projectors are po- fitted in "bad weather” code (to better illuminate the road) or when the headlamps are positioned in "highway” code (to illuminate further). There is talk of using the beams in AFS (Adaptive Front Lighting System) mode with increased range.
- AFS Adaptive Front Lighting System
- a disadvantage of this state of the art is that the driver of the target vehicle may find himself bothered by the increased range beam of the motor vehicle in question and be dazzled when he is in a bend which is about to be tackled. by said motor vehicle, and in particular in a right turn.
- patent application US 200/106886 describes a device for controlling the angle of a vehicle headlamp according to the curvature of the road, in order to avoid the blindness of the driver of a vehicle cross.
- the object of the present invention is a method for adjusting motor vehicle headlamps, comprising a step of calculating a headlamp angle, which makes it possible to solve the glare problem of the target vehicles, particularly in the right turns when the beams of the headlamps of the headlamps motor vehicle considered are progressive type.
- this object is achieved by a method of adjusting projectors for a motor vehicle, comprising a step of calculating a projector angle, characterized in that it further comprises the steps of:
- the angular offset which takes into account the lateral position of the target vehicle relative to the motor vehicle considered will allow to adjust more precisely the headlamps of the motor vehicle concerned and sufficiently offset the cut-off of the headlamp beam so that it does not dazzle the target vehicle when it is in a right turn.
- the angular offset left will also allow optimization of the lighting of the road on which the vehicle is rolling and thus an improvement in the visibility of the driver of the vehicle in question.
- the adjustment method may further comprise one or more additional characteristics among the following:
- the lateral position of the target vehicle is calculated according to a lateral angle of position and a distance from the target vehicle with respect to said motor vehicle. It is a simple calculation to implement.
- the adjustment method further comprises an additional step of defining the lateral angle of position in a camera mark according to a target light source positioned at one end of the target vehicle, the end corresponding to a type of traffic. This makes it possible to calculate the right-most angle to avoid dazzling the tracked and crossed vehicles.
- the calculation of the lateral angular offset is performed with respect to said lateral position of the target vehicle and with respect to the projector angle. This makes it possible not to apply angular offset when the steering wheel of the vehicle is sufficiently rotated so that it does not dazzle a target vehicle or that it already lights the road sufficiently.
- the adjustment method further comprises an additional step of applying a camera-vehicle mark change to the lateral position angle. This makes it possible to calculate the correct lateral angle of position with respect to the projectors of the motor vehicle considered in order to position the projectors so as not to dazzle a target vehicle.
- the adjustment method further comprises an additional step of defining the lateral position angle as being the lateral position angle having the smallest value between two lateral position angles defined in two projector markings resulting from the change of camera reference mark. projector. This makes it possible to obtain a more accurate angular offset with respect to the target vehicle and thus to optimize the illumination.
- the method further comprises an initial step of checking whether the headlamps of the motor vehicle are in use a beam mode in increased range. This avoids performing all steps of the process if the projectors are used as standard. Indeed, in this case, there is no risk of dazzling a driver of a target vehicle.
- a motor vehicle headlamp setting device comprising a set of control units comprising at least one control unit, said assembly being able to calculate a projector angle, characterized in that that said set is furthermore capable of:
- control unit able to adjust the projectors according to the projector angle and lateral angular offset.
- the adjusting device may furthermore comprise one or more additional characteristics among the following:
- Said set of control units is furthermore capable of calculating the lateral position of the target vehicle according to a lateral angle of position and a distance of the target vehicle with respect to said motor vehicle.
- Said set of control units is further able to define the lateral angle of position in a camera mark according to a target light source positioned at one end of the target vehicle, the end corresponding to a type of traffic.
- Said set of control units is furthermore capable of performing the calculation of the lateral angular offset with respect to said lateral position of the target vehicle and with respect to the projector angle.
- Said set of control units is furthermore capable of applying a change of camera-vehicle mark to the lateral angle of position.
- Said set of control units is furthermore capable of defining the lateral position angle as being the lateral position angle having the lowest value between two lateral position angles defined in two projector markers resulting from the change of camera mark. -projector.
- Said set of control units is furthermore capable of checking whether the projectors of the motor vehicle are in a mode of use of beam in increased range.
- a third subject of the invention relates to a computer program product comprising one or more instruction sequences executable by an information processing unit, the execution of said instruction sequences enabling implementation of the method. according to any one of the preceding claims.
- the subject of the invention is also a method for adjusting projectors (PJ) for a motor vehicle (V), comprising a step of calculating a projector angle (DBL) determined according to the trajectory of the vehicle, for example according to a driving angle and / or navigation data such as GPS data, characterized in that it further comprises the steps of: - Detecting a target vehicle (VC);
- OFFST lateral angular offset
- POS lateral position
- VC target vehicle
- DBL projector angle
- OFFST lateral angle offset
- FIG. 1 is a flowchart of a non-limiting embodiment of the adjustment method according to the invention
- FIG. 2 is a representative curve of a projector angle with respect to a steering wheel angle used by the method of FIG. 1;
- FIG. 3 is an estimation curve of a distance of a target vehicle from a motor vehicle, used by the method of FIG. 1;
- FIG. 4 is a diagram of a motor vehicle showing a camera angle used by the adjustment method of FIG. 1;
- FIG. 5 represents an image acquired by a camera of the motor vehicle, the image being used by the adjustment method of FIG. 1;
- Figs. 6a, 6b and 6c are Figs. explanatory of a determination of a lateral position angle made by the adjustment method of FIG. 1;
- Figs. 6c, 7 and 8 are Figs. explanatory of a change of camera-projector memory used by the control method of FIG. 1;
- FIG. 9a illustrates a curve representative of a lateral angular offset with respect to a lateral position angle used by the adjustment method of FIG. 1, in the case of a right turn;
- FIG. 9b illustrates a curve representative of a lateral angular offset with respect to a lateral position angle used by the adjustment method of FIG. 1, in the case of a left turn;
- FIG. 10 illustrates the effects of a progressive-type beam of projectors of a motor vehicle on a crossed target vehicle when the motor vehicle is about to approach a right turn, according to a method of adjusting the prior art
- FIG. 11 illustrates the effects of a progressive type beam of projectors of a motor vehicle on a target vehicle followed when the motor vehicle is about to enter a right turn, according to a prior art adjustment method
- FIG. 12 illustrates the effects of a progressive-type beam of headlamps of a motor vehicle on a crossed target vehicle when the motor vehicle is about to enter a right turn, as the adjustment method of FIG. 1;
- FIG. 13 illustrates the effects of a progressive beam of projectors of a motor vehicle on a target vehicle followed when the motor vehicle is about to approach a right turn, according to the adjustment method of FIG. 1;
- FIG. 14 illustrates the effects of a progressive-type beam of projectors of a motor vehicle on a crossed target vehicle when the motor vehicle is about to approach a left turn, according to a prior art adjustment method;
- FIG. 15 illustrates the effects of a progressive-type beam of projectors of a motor vehicle on a target vehicle followed when the motor vehicle is about to approach a left turn, according to a method of adjusting the art previous;
- FIG. 16 illustrates the effects of a progressive type beam of projectors of a motor vehicle on a crossed target vehicle when the motor vehicle is about to approach a left turn, according to the adjustment method of FIG. 1;
- FIG. 17 illustrates the effects of a progressive beam of projectors of a motor vehicle on a target vehicle followed when the motor vehicle is about to approach a left turn, according to the adjustment method of FIG. 1;
- FIG. 18 is a functional block diagram of a non-limiting embodiment of an architecture of a device for adjusting the implementation of the method of FIG. 1.
- a projector is capable of emitting a light beam FX which will be named in the following description beam.
- motor vehicle we mean any type of motorized vehicle.
- the adjustment method comprises the following steps as illustrated in FIG. 1: - Calculate a DBL projector angle (step CALC_DBL (STA));
- step DETECT_VC - Detect a VC target vehicle
- step CALC_OFFST (POS) Calculating a lateral angular offset OFFST relative to said lateral POS position of the target vehicle VC (step CALC_OFFST (POS);
- step CONTRL_PJ (DBL, OFFST)
- a VC target vehicle is a cross vehicle (which is on the opposite track to that of the motor vehicle V) or tracked (which is on the same track as that of the motor vehicle V considered).
- the lateral position POS of the target vehicle VC is calculated as a function of a lateral angle of position ALP and a distance D of the target vehicle VC with respect to said motor vehicle V.
- the adjustment method further includes an additional step of applying a camera-to-vehicle mark change to the ALP position side angle (step MOD_COORD (ALP)).
- step MOD_COORD ALP
- the adjustment method also comprises an initial step of checking whether the projectors PJ of the motor vehicle V are in a mode of use of beam FX in increased range (step VERIF_PJ (FX) illustrated on the Fig. 1).
- the method comprises these additional steps.
- an initial step 0 it is checked whether the projectors PJ of the motor vehicle V are in a mode of use of beam FX in increased range.
- the term "increased range” means either that the beams of the projectors are used in progressive mode, or that they are in AFS mode with increased range (for example in the bad weather code position or in the highway code position).
- the FX beams of the PJ projectors are used with increased range compared to a standard scope defined by the PJ projectors regulations.
- the dipped beam have an increased range. In this case, the following steps of the adjustment method described below can be performed.
- the PJ projectors when they are in code position, in a non-limiting embodiment, they are used in standard mode up to about a target vehicle distance D of 80-100 meters and are used in enhanced range mode from about 100 meters and beyond. Note that in road position, that is to say when no vehicle is detected (see step 2), the beam of a projector has no cut.
- this initial step may not be carried out and in another embodiment, it is thus possible to perform the steps described above regardless of the range of beams PJ projectors.
- the following steps will be performed when the PJ projectors are in any code position, namely standard code, highway code, bad weather code, with or without increased range.
- a DBL projector angle is calculated.
- the calculation of the DBL projector angle is made according to an angle at the steering wheel AV.
- the angle at the steering wheel AV represents the direction of the wheels of the motor vehicle V with respect to the trajectory of said motor vehicle.
- This steering angle is given in a standard way by an angular sensor in the motor vehicle.
- the DBL angle projector represents the angle that is necessary to apply to the PJ projectors of the motor vehicle V to rotate them so as to illuminate the trajectory followed by the motor vehicle V.
- the projector angle DBL is calculated from the steering wheel angle AV empirically. In a non-limiting example, it starts from a reference curve which is calculated according to the radius of curvature of the turns (directly related to the angle of the steering wheel AV) so that the beam of light PJ projectors target the direction of the vehicle.
- the curve is then optimized (by adjusting the coefficients a, b, c, d and e) by vehicle running tests in order to improve the comfort of the vehicle. conduct.
- the following empirical values for the optimized curve are thus obtained in a non-limiting example, illustrated in FIG. 2:
- a target vehicle VC is detected.
- the detection is carried out by means of a CAM camera and according to a recognition of lamps such as the PJ projectors or the rear lights F of a target vehicle VC.
- a lateral position POS of the target vehicle VC is calculated with respect to said motor vehicle V.
- the POS lateral position of the target vehicle VC is calculated according to a lateral angle of position ALP and a distance D of the target vehicle VC with respect to said automotive vehicle V.
- the distance D of the target vehicle VC it is calculated according to a method that uses an image I acquired by a CAM camera of the motor vehicle V (sub-step CALC_D illustrated in FIG. 1).
- this method in a first step, the distance in pixels between two projectors PJ of a target vehicle VC is estimated according to the curve illustrated in FIG. 3. On the abscissa is represented the distance in pixels Dpix between the two projectors PJ, and on the ordinate the estimated distance D of the target vehicle VC with respect to the motor vehicle V.
- a Kalmann filter is applied in order to smooth the values of the distances obtained on a sequence of images.
- the lateral angle of position ALP defines an angular position of the target vehicles VC in a determined reference frame COORD of the motor vehicle V.
- this angle ALP is determined by means of a CAM camera.
- the determined reference point COORD of the motor vehicle V is therefore a camera reference COORD_CAM.
- a motor vehicle V is located on a two-lane road R LA.
- This motor vehicle comprises a CAM camera angle of opening ⁇ 40 ° in a non-limiting example.
- FIG. 5 is an image I acquired by the CAM camera of the motor vehicle V.
- the opening angle ⁇ of the camera is represented by the entire width of the image in pixels Pix.
- the lateral angle of position ALP is represented here in the reference camera COORD_CAM by the reference ⁇ .
- the lateral angle of position ⁇ is determined by the distance separating an axis YM ordinate passing through the center of the image I and a relative axis YC to a vehicle lamp VC target that we do not want to dazzle.
- the relative axis YC is defined in the image on the left border of the left projector PJ of said crossed vehicle VC.
- the lateral angle of position ⁇ is defined with respect to the left border of the left projector of said crossed vehicle VC. This makes it possible to position the cutoff of the beam of a headlight to the left of the head of the driver of the crossed vehicle to avoid dazzling it, or to the right in FIG. 5.
- the target vehicle VC is a vehicle followed (thus being on the same track as the motor vehicle considered V)
- the relative axis YC is defined in the image on the right border of the right rear light F of said target vehicle VC.
- the lateral angle of position ⁇ is defined with respect to the right border of the rear light of said vehicle followed VC. This makes it possible to position the cutoff of the beam of a searchlight to the right of the driver's head of the vehicle followed to avoid dazzling him.
- the relative axis YC is defined in the image on the right border of the right rear light F of said target vehicle VC.
- the lateral angle of position ⁇ is defined with respect to the right border of the rear light of said vehicle followed VC.
- the lateral angle of position ALP is defined in a camera coordinate system X1Y1 as a function of a target light source PJ, F positioned at one end of the target vehicle VC, end corresponding to a type of traffic (right or left) (sub-step CALC_ALP illustrated in Fig. 1).
- the light source will be positioned at the right end for traffic on the right (such as traffic in France) and on the left end for traffic on the left (such as traffic in England, Japan or in Australia)
- a camera-to-projector mark change is applied to the lateral angle of position ALP. This makes it possible to calculate the correct lateral angles of position ALP which will be used to adjust the projectors PJ of the motor vehicle V thereafter.
- the change of reference is thus carried out between a camera reference COORD_CAM and two projector markers COORD_PJ.
- the change of reference camera-projector uses two projector marks associated with the projectors of the vehicle in question V. This gives two lateral angles of position.
- FIG. 6c are illustrated a motor vehicle V and two target vehicles, one of which is a cross vehicle VC1 and the other a vehicle followed VC2 in a non-limiting example of traffic on the right.
- the camera mark X1Y1 is defined by an X axis X1 passing through the center of the CAM camera and an ordinate axis Y1 passing through the camera CAM.
- the position angle ALP in this camera mark X1Y1 is defined relative to the extreme light source on the side of the traffic, that is to say the far right source of the vehicle VC2. In the example of FIG. 6c, this corresponds to the right rear light F R of the target vehicle VC2. As can be seen in FIG. 6c, it is referenced ⁇ . The change of camera-projector mark is thus made with respect to the right rear light F R vehicle followed VC2.
- a projector mark COORD_PJ is associated with each projector PJ of the motor vehicle V.
- a first projector mark X2 R Y2 R is associated with the right projector PJ R of the motor vehicle V
- a second projector mark X2 L Y2 L is associated with the left-hand projector PJ L of the motor vehicle V.
- the first projector mark X2 R Y2 R is defined by an abscissa axis X2 R and an ordinate Y2 R axis passing through the center of the right projector PJ R materialized by the light source.
- the second projector mark X2 L Y2 L is defined by an abscissa axis X2 L and by an ordinate axis Y2 L passing through the center of the left projector PJL materialized by the light source.
- the lateral position angle ALP in the first projector mark X2 R Y2 R is defined with respect to the abscissa axis X2 R and with respect to the right rear light of the vehicle followed VC2. As can be seen in FIG. 6c, it is referenced ⁇ R.
- the lateral angle of position ALP in the second marker X2 L projector Y2 L is defined with respect to the abscissa axis X2 L and relative to the right rear light of the vehicle followed VC2. As can be seen in FIG. 6c it is referenced ⁇ L.
- the following data are known: the distance D2 to the detected target vehicle VC2 in the camera coordinate system X1Y1; the lateral angle of position ⁇ , in the camera coordinate system XlYl; the distance camera projector DCAMPJ; and the distance between the projectors Dp JP j
- A a point located at the camera CAM
- the following data are known: the distance D2 to the detected target vehicle VC2 in the camera coordinate system X1Y1; the lateral angle of position ⁇ , in the camera coordinate system XlYl; the distance camera projector DCAMPJ; and the distance between the projectors D PJPJ
- A a point located at the CAM camera
- the lateral angle of position CC R in the right projector mark X2 R Y2 R is equal to:
- a lateral offset OFFST is calculated with respect to said POS lateral position of the target vehicle VC.
- the calculation of the OFFST angular offset is performed with respect to said POS lateral position of the target vehicle VC and at the DBL projector angle, and in particular with respect to:
- OFFST is calculated with respect to said POS lateral position empirically.
- the glare will be more or less noticeable and therefore annoying.
- Each curve C4, C3, C2, C1 thus makes it possible to determine the lateral angular offset OFFST for the target vehicle distances D of 300 meters, 250 meters, 200 meters and 100 meters, respectively.
- the PJ projectors are adjusted according to the projector angle DBL and the lateral offset offset OFFST.
- the lateral offset offset OFFST is added to the projector angle DBL. This makes it possible to adjust the PJ projectors of the motor vehicle considered V according to a global offset taking into account not only the curve of the turn that will be approached by the motor vehicle V (via the DBL offset projector), but also the lateral position of the target vehicle VC in the turn (via lateral offset OFFST).
- the lateral offset offset OFFST is added takes into account the displacement limit of the movable part of the projectors (namely the mechanical module comprising the lens of a projector).
- the method described makes it possible to adjust the headlamps PJ of a motor vehicle V so as to:
- the PJ projectors are in a mode of use of beams in increased range (in progressive mode or in AFS mode).
- Figs. 10 and 11 illustrate situations of the state of the prior art, respectively when the target vehicle VC is a cross vehicle or followed in the case of a right turn.
- the FX beam is troublesome for the driver of the target vehicle VC.
- the cutoff of the FX beams is at the axis AX1 shown in Figs. 10 and 11.
- Figs. 12 and 13 illustrate a situation where the adjustment method according to the invention is implemented, respectively when the target vehicle VC is a cross vehicle or followed in the case of a right turn.
- the FX beam is no longer troublesome for the driver of the target vehicle VC.
- the cutoff of the FX beams is at the axis AX2 shown in Figs. 12 and 13.
- Figs. 14 and 15 illustrate situations of the state of the prior art, respectively when the target vehicle VC is a cross vehicle or followed in the case of a left turn.
- the FX beam is not a problem for the driver of the target vehicle VC.
- the cutoff of the FX beams is at the axis AX1 shown in Figs. 14 and 15.
- Figs. 16 and 17 illustrate a situation where the adjustment method according to the invention is implemented, respectively when the target vehicle VC is a cross vehicle or followed in the case of a left turn.
- the FX beam is still not annoying for the driver of the target vehicle VC.
- the lighting is optimized because the FX beam illuminates the road better than in the previous cases.
- the cutoff of the FX beams is at the axis AX2 shown in Figs. 16 and 17.
- the method of the invention is implemented by a device PJ for adjusting the searchlights PJ for a motor vehicle V (shown in FIG.
- Fig.18 in a non-limiting embodiment, comprising a set of UCS control units comprising at least one control unit UC, said set being able to calculate a DBL projector angle,
- This device DISP is integrated in the motor vehicle V.
- said set of UCS control units is furthermore capable of:
- a control unit UC may be included in the CAM camera, in an adjustment unit ACT, in the PJ projectors, in a vehicle lighting function control computer or in a computer. ECU vehicle.
- said set UCS comprises a single control unit UC.
- said set UCS comprises a plurality of control units UC.
- the UC control units can be distributed in the CAM camera, in an ACT control unit, in the PJ projectors, in a vehicle lighting function control computer or in an ECU vehicle computer.
- said set of UCS control units comprises:
- a first UC1 control unit able to:
- a second control unit UC2 also called a detection unit, able to: detect a target vehicle VC;
- a third UC3 control unit able to:
- an ACT adjustment unit able to adjust PJ projectors according to the DBL projector angle and OFFST lateral angular offset, and in particular the mobile part MOD of the PJ projectors.
- the detection and adjustment functions of the projectors are thus distributed respectively in a CAM camera and the projectors PJ.
- the adjustment device DISP further comprises at least one projector PJ capable of providing the light beam.
- the integration of the device is then simultaneously during the mounting of the projector PJ on the vehicle.
- the adjustment unit ACT may be:
- an actuator which is commonly used to implement the DBL beam function described previously in the prior art. It makes it possible to move all the moving part of the projector PJ.
- an actuator is electromechanical is associated with each projector of the motor vehicle V or two projectors PJ; - A movable cover for laterally conceal the beams of the projectors so as to laterally move the cut of said beams; or
- these sources are LEDs.
- said UCS set of control units UC of the control device DISP is furthermore capable of:
- said UCS set of control units UC of the control device DISP is furthermore able to check whether the projectors PJ of the motor vehicle V are in a beam utilization mode FX in increased range.
- the FX beams are used in increased range when the projectors are in progressive mode or in AFS mode (code "bad weather” or "highway code” in non-limiting examples).
- the CAM camera is of VGA or WVGA type and can acquire images of respective size of 640 * 480 pixels or 852 * 480 pixels.
- the opening angle ⁇ is 40 °.
- other types of cameras with other features can be used.
- control device DISP may comprise one or more PG computer program products comprising one or more sequences of instructions executable by an information processing unit such as a microprocessor, or a processing unit. a microcontroller, an ASIC, a computer, etc., the execution of said instruction sequences allowing implementation of the method described.
- a PG computer program can be written in non-volatile memory writable type ROM or non-volatile memory rewritable type EEPROM or FLASH.
- Said PG computer program can be registered in the factory memory or loaded into memory or downloaded remotely in memory.
- the instruction sequences can be sequences of machine instructions, or sequences of a control language interpreted by the processing unit at the time of their execution.
- the computer program PG is written in a memory of the control unit UC of the device DISP.
- the invention has the following advantages:
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012512323A JP6001448B2 (ja) | 2009-05-25 | 2010-05-21 | 自動車のヘッドライトを調節する方法 |
CN201080022978.8A CN102448770B (zh) | 2009-05-25 | 2010-05-21 | 用于调节机动车辆的前灯的方法 |
EP10723979A EP2435276A1 (fr) | 2009-05-25 | 2010-05-21 | Procede de reglage de projecteurs pour vehicule automobile |
US13/299,619 US8738236B2 (en) | 2009-05-25 | 2011-11-18 | Method and system for adjustment of headlamps for motor vehicles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR0953418 | 2009-05-25 | ||
FR0953418A FR2945774B1 (fr) | 2009-05-25 | 2009-05-25 | Procede de reglage de projecteurs pour vehicule automobile |
Related Child Applications (1)
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US13/299,619 Continuation US8738236B2 (en) | 2009-05-25 | 2011-11-18 | Method and system for adjustment of headlamps for motor vehicles |
Publications (1)
Publication Number | Publication Date |
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WO2010136410A1 true WO2010136410A1 (fr) | 2010-12-02 |
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ID=41394944
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PCT/EP2010/057074 WO2010136410A1 (fr) | 2009-05-25 | 2010-05-21 | Procede de reglage de projecteurs pour vehicule automobile |
Country Status (6)
Country | Link |
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US (1) | US8738236B2 (fr) |
EP (1) | EP2435276A1 (fr) |
JP (1) | JP6001448B2 (fr) |
CN (1) | CN102448770B (fr) |
FR (1) | FR2945774B1 (fr) |
WO (1) | WO2010136410A1 (fr) |
Cited By (3)
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JP2012126200A (ja) * | 2010-12-14 | 2012-07-05 | Stanley Electric Co Ltd | 配光制御システム及び配光制御装置 |
JP2012187950A (ja) * | 2011-03-09 | 2012-10-04 | Stanley Electric Co Ltd | 配光制御システム |
JP2013079044A (ja) * | 2011-10-05 | 2013-05-02 | Stanley Electric Co Ltd | 車両用灯具の配光制御装置、車両用灯具の配光制御システム |
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DE102011006550B4 (de) * | 2011-03-31 | 2014-05-08 | Robert Bosch Gmbh | Verfahren und Steuergerät zum Einschalten eines Fernlichts eines Fahrzeugs |
JP6051533B2 (ja) * | 2012-02-02 | 2016-12-27 | 市光工業株式会社 | 車両用前照灯および車両用前照灯装置 |
JP6251098B2 (ja) * | 2014-03-20 | 2017-12-20 | スタンレー電気株式会社 | 車両用灯具の配光制御装置、車両用前照灯システム |
JP6251097B2 (ja) * | 2014-03-20 | 2017-12-20 | スタンレー電気株式会社 | 車両用灯具の配光制御装置、車両用前照灯システム |
DE102014209771A1 (de) * | 2014-05-22 | 2015-11-26 | Hella Kgaa Hueck & Co. | Verfahren zur Steuerung eines Kurvenlichts und Beleuchtungsvorrichtung |
DE102014214649A1 (de) * | 2014-07-25 | 2016-01-28 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ausrichten eines Leuchtbereichs eines Scheinwerfers eines Fahrzeugs in Abhängigkeit eines Umfelds des Fahrzeugs |
DE102014225526A1 (de) * | 2014-12-11 | 2016-06-16 | Robert Bosch Gmbh | Verfahren und Steuergerät zum Einstellen einer Charakteristik einer Lichtaussendung zumindest eines Scheinwerfers eines Fahrzeugs |
FR3031398B1 (fr) * | 2015-01-07 | 2017-07-07 | Peugeot Citroen Automobiles Sa | Procede de calibration, par detection de lumiere, de la position d’un faisceau de lumiere d’une source mobile par rapport a l’axe optique d’une camera |
FR3031409B1 (fr) * | 2015-01-07 | 2017-01-13 | Peugeot Citroen Automobiles Sa | Procede de calibration de la position d’un faisceau de lumiere d’une source mobile par rapport a l’axe optique d’une camera |
JP6319204B2 (ja) * | 2015-06-26 | 2018-05-09 | 株式会社デンソー | 車両用の前照灯制御装置 |
US9643736B1 (en) * | 2016-04-14 | 2017-05-09 | Goodrich Corporation | Systems and methods for landing lights |
DE102017129946A1 (de) * | 2017-12-14 | 2019-06-19 | HELLA GmbH & Co. KGaA | Verfahren zur Erfassung von Fehleinstellungen der Hell-Dunkel-Grenze eines Scheinwerfers |
US10369923B1 (en) * | 2018-04-30 | 2019-08-06 | Automotive Research & Testing Center | Operation method of adaptive driving beam headlamp system |
US11377022B2 (en) | 2019-11-15 | 2022-07-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Adaptive headlights |
US11325524B2 (en) * | 2020-01-14 | 2022-05-10 | Qualcomm Incorporated | Collaborative vehicle headlight directing |
US11241996B2 (en) | 2020-01-14 | 2022-02-08 | Qualcomm Incorporated | Collaborative vehicle headlight directing |
US11383634B2 (en) | 2020-01-14 | 2022-07-12 | Qualcomm Incorporated | Collaborative vehicle headlight directing |
US11872929B2 (en) | 2020-01-14 | 2024-01-16 | Qualcomm Incorporated | Collaborative vehicle headlight directing |
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JP4305548B2 (ja) * | 2007-03-01 | 2009-07-29 | 株式会社デンソー | ライト制御装置 |
EP2116421B1 (fr) * | 2008-05-08 | 2017-11-08 | Koito Manufacturing Co., Ltd. | Appareil de phare d'automobile |
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2009
- 2009-05-25 FR FR0953418A patent/FR2945774B1/fr active Active
-
2010
- 2010-05-21 CN CN201080022978.8A patent/CN102448770B/zh not_active Expired - Fee Related
- 2010-05-21 WO PCT/EP2010/057074 patent/WO2010136410A1/fr active Application Filing
- 2010-05-21 JP JP2012512323A patent/JP6001448B2/ja not_active Expired - Fee Related
- 2010-05-21 EP EP10723979A patent/EP2435276A1/fr not_active Withdrawn
-
2011
- 2011-11-18 US US13/299,619 patent/US8738236B2/en not_active Expired - Fee Related
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US20080106886A1 (en) * | 2006-10-31 | 2008-05-08 | Toshio Sugimoto | Apparatus for controlling swivel angles of on-vehicle headlights |
EP1987985A1 (fr) * | 2007-05-04 | 2008-11-05 | Valeo Vision | Procédé de commande de l'orientation des projecteurs de véhicule |
DE102007028658A1 (de) * | 2007-06-21 | 2008-12-24 | Hella Kgaa Hueck & Co. | Verfahren zum Steuern einer Scheinwerferanordnung für ein Fahrzeug mit separaten Scheinwerfern für ein Abblendlicht und ein Fernlicht |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012126200A (ja) * | 2010-12-14 | 2012-07-05 | Stanley Electric Co Ltd | 配光制御システム及び配光制御装置 |
JP2012187950A (ja) * | 2011-03-09 | 2012-10-04 | Stanley Electric Co Ltd | 配光制御システム |
JP2013079044A (ja) * | 2011-10-05 | 2013-05-02 | Stanley Electric Co Ltd | 車両用灯具の配光制御装置、車両用灯具の配光制御システム |
Also Published As
Publication number | Publication date |
---|---|
FR2945774A1 (fr) | 2010-11-26 |
JP2012530634A (ja) | 2012-12-06 |
EP2435276A1 (fr) | 2012-04-04 |
JP6001448B2 (ja) | 2016-10-05 |
US8738236B2 (en) | 2014-05-27 |
CN102448770A (zh) | 2012-05-09 |
FR2945774B1 (fr) | 2017-03-24 |
US20120123648A1 (en) | 2012-05-17 |
CN102448770B (zh) | 2015-04-29 |
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