Method and system for adjustment of headlamps for motor vehicles
First Claim
1. A method for adjustment of headlamps (PJ) for motor vehicles (V), comprising a step for calculating a headlamp angle (DBL) determined as a function of the path of the vehicle, said function comprising at least one of an angle of a steering wheel or GPS navigation data, wherein said method furthermore comprises the steps of:
- detecting a position of a lamp of a target vehicle (VC) using a camera;
calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V) using said detected position of said lamp of said target vehicle (VC);
deducing a lateral angular offset (OFFST) as a function of said lateral position (POS) of said target vehicle (VC); and
adjusting, where necessary, the headlamp or headlamps (PJ) as a function of the headlamp angle (DBL) and of said lateral angular offset (OFFST);
wherein the calculation of said lateral angular offset (OFFST) is carried out as a function of said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL).
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Accused Products
Abstract
A method and system for adjustment of headlamps for motor vehicles, comprising a step for calculating a headlamp angle. The method furthermore comprises the steps of detecting a target vehicle, calculating a lateral position of the target vehicle with respect to the motor vehicle, calculating a lateral angular offset with respect to the said lateral position of the target vehicle and adjusting the headlamps as a function of the headlamp angle and of the lateral angular offset.
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Citations
24 Claims
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1. A method for adjustment of headlamps (PJ) for motor vehicles (V), comprising a step for calculating a headlamp angle (DBL) determined as a function of the path of the vehicle, said function comprising at least one of an angle of a steering wheel or GPS navigation data, wherein said method furthermore comprises the steps of:
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detecting a position of a lamp of a target vehicle (VC) using a camera; calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V) using said detected position of said lamp of said target vehicle (VC); deducing a lateral angular offset (OFFST) as a function of said lateral position (POS) of said target vehicle (VC); and adjusting, where necessary, the headlamp or headlamps (PJ) as a function of the headlamp angle (DBL) and of said lateral angular offset (OFFST); wherein the calculation of said lateral angular offset (OFFST) is carried out as a function of said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL). - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for adjustment of headlamps (PJ) for motor vehicles (V), comprising a step for calculating a headlamp angle (DBL) determined as a function of the path of the vehicle, said function comprising at least one of an angle of a steering wheel or GPS navigation data, wherein said method furthermore comprises the steps for:
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detecting a target vehicle (VC); calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V); deducing a lateral angular offset (OFFST) as a function of said lateral position (POS) of said target vehicle (VC); and adjusting, where necessary, the headlamp or headlamps (PJ) as a function of the headlamp angle (DBL) and of said lateral angular offset (OFFST); wherein the calculation of said lateral angular offset (OFFST) is carried out as a function of said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL); wherein said method furthermore comprises an additional step for applying a headlamp-camera reference frame change to a position lateral angle (ALP) in order to obtain a value of said position lateral angle (ALP) in a headlamp reference frame. - View Dependent Claims (8, 9)
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10. A device for adjustment (ACT) of headlamps for motor vehicles, comprising an assembly of control units (UCS) comprising at least one control unit (UC), said assembly of control units being capable of calculating a headlamp angle (DBL) as a function of a path of said motor vehicle, wherein said assembly of control units is furthermore capable of:
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detecting a position of a lamp of a target vehicle (VC) using a camera; calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V) using said detected position of said lamp of said target vehicle (VC); deducing a lateral angular offset (OFFST) as a function of said lateral position of said target vehicle (VC); controlling an adjustment unit (ACT) capable of adjusting said headlamps (PJ) as a function of said headlamp angle (DBL) and of said lateral angular offset (OFFST); and calculating said lateral angular offset (OFFST) with respect to said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL). - View Dependent Claims (11, 12, 13)
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14. A device for adjustment (ACT) of headlamps for motor vehicles, comprising an assembly of control units (UCS) comprising at least one control unit (UC), said assembly of control units being capable of calculating a headlamp angle (DBL) as a function of a path of said motor vehicle, wherein said assembly of control units is furthermore capable of:
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detecting a target vehicle (VC); calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V); deducing a lateral angular offset (OFFST) as a function of said lateral position of said target vehicle (VC); controlling an adjustment unit (ACT) capable of adjusting said headlamps (PJ) as a function of said headlamp angle (DBL) and of said lateral angular offset (OFFST); and calculating said lateral angular offset (OFFST) with respect to said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL), wherein said assembly of control units (UCS) is furthermore capable of calculating said lateral position (POS) of said target vehicle (VC) as a function of a position lateral angle (ALP) and of a distance (D) of said target vehicle (VC) with respect to said motor vehicle (V); wherein said assembly of control units (UCS) is furthermore capable of applying a camera-headlamp reference frame change to said position lateral angle (ALP) so as to obtain a value of said position lateral angle (ALP) in a headlamp reference frame. - View Dependent Claims (15)
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16. A method for adjustment of headlamps (PJ) for motor vehicles (V), comprising a step for calculating a headlamp angle (DBL) determined as a function of the path of the vehicle, said function comprising at least one of an angle of a steering wheel or GPS navigation data, wherein said method furthermore comprises the steps for:
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detecting a target vehicle (VC); calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V); deducing a lateral angular offset (OFFST) as function of said lateral position (POS) of said target vehicle (VC); and adjusting, where necessary, the headlamp or headlamps (PJ) as a function of the headlamp angle (DBL) and of said lateral angular offset (OFFST); wherein the calculation of said lateral angular offset (OFFST) is carried out as a function of said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL); wherein said lateral position (POS) of said target vehicle (VC) is calculated as a function of a position lateral angle (ALP) and of a distance (D) of said target vehicle (VC) with respect to said motor vehicle (V); wherein said method furthermore comprises an additional step for applying a headlamp-camera reference frame change to said position lateral angle (ALP) in order to obtain a value of said position lateral angle (ALP) in a headlamp reference frame.
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17. A device for adjustment (ACT) of headlamps for motor vehicles, comprising an assembly of control units (UCS) comprising at least one control unit (UC), said assembly of control units being capable of calculating a headlamp angle (DBL) as a function of a path of said motor vehicle, wherein said assembly of control units is furthermore capable of:
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detecting a target vehicle (VC); calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V); deducing a lateral angular offset (OFFST) as a function of said lateral position of said target vehicle (VC); controlling an adjustment unit (ACT) capable of adjusting said headlamps (PJ) as a function of said headlamp angle (DBL) and of said lateral angular offset (OFFST); and calculating said lateral angular offset (OFFST) with respect to said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL); wherein said assembly of control units (UCS) is furthermore capable of calculating said lateral position (POS) of said target vehicle (VC) as a function of a position lateral angle (ALP) and of a distance (D) of said target vehicle (VC) with respect to said motor vehicle (V); wherein said assembly of control units (UCS) is furthermore capable of defining said position lateral angle (ALP) in a camera reference frame (X1Y1) as a function of a target light source (PJ, F) positioned at one end of said target vehicle (VC); wherein said assembly of control units (UCS) is furthermore capable of applying a camera-headlamp reference frame change to said position lateral angle (ALP) so as to obtain a value of said position lateral angle (ALP) in a headlamp reference frame.
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18. A device for adjustment (ACT) of headlamps for motor vehicles, comprising an assembly of control units (UCS) comprising at least one control unit (UC), said assembly of control units being capable of calculating a headlamp angle (DBL) as a function of a path of said motor vehicle, wherein said assembly of control units is furthermore capable of:
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detecting a target vehicle (VC); calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V); deducing a lateral angular offset (OFFST) as a function of said lateral position of said target vehicle (VC); controlling an adjustment unit (ACT) capable of adjusting said headlamps (PJ) as a function of said headlamp angle (DBL) and of said lateral angular offset (OFFST); and calculating said lateral angular offset (OFFST) with respect to said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL); wherein said assembly of control units (UCS) is furthermore capable of applying a camera-headlamp reference frame change to a position lateral angle (ALP) so as to obtain a value of said position lateral angle (ALP) in a headlamp reference frame.
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19. A device for adjustment (ACT) of headlamps for motor vehicles, comprising an assembly of control units (UCS) comprising at least one control unit (UC), said assembly of control units being capable of calculating a headlamp angle (DBL) as a function of a path of said motor vehicle, wherein said assembly of control units is furthermore capable of:
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means for detecting a position of a lamp of a target vehicle (VC) using a camera; means for calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V) using said detected position of said lamp of said target vehicle (VC); means for deducing a lateral angular offset (OFFST) as a function of said lateral position of said target vehicle (VC); and means for controlling an adjustment unit (ACT) capable of adjusting said headlamps (PJ) as a function of said headlamp angle (DBL) and of said lateral angular offset (OFFST); wherein the calculation of said lateral angular offset (OFFST) is carried out as a function of said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL). - View Dependent Claims (20, 21, 22)
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23. A device for adjustment (ACT) of headlamps for motor vehicles, comprising an assembly of control units (UCS) comprising at least one control unit (UC), said assembly of control units being capable of calculating a headlamp angle (DBL) as a function of a path of said motor vehicle, wherein said assembly of control units is furthermore capable of:
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means for detecting a target vehicle (VC); means for calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V), wherein the calculation of said lateral angular offset (OFFST) is carried out as a function of said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL); means for deducing a lateral angular offset (OFFST) as a function of said lateral position of said target vehicle (VC); and means for controlling an adjustment unit (ACT) capable of adjusting said headlamps (PJ) as a function of said headlamp angle (DBL) and of said lateral angular offset (OFFST); wherein said assembly of control units (UCS) is furthermore capable of calculating said lateral position (POS) of said target vehicle (VC) as a function of a position lateral angle (ALP) and of a distance (D) of said target vehicle (VC) with respect to said motor vehicle (V); wherein said assembly of control units (UCS) is furthermore capable of applying a camera-headlamp reference frame change to said position lateral angle (ALP) so as to obtain a value of said position lateral angle (ALP) in a headlamp reference frame.
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24. A device for adjustment (ACT) of headlamps for motor vehicles, comprising at least one control unit (UC), said device being capable of calculating a headlamp angle (DBL) as a function of a path of said motor vehicle, wherein said device is furthermore capable of:
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said at least one control unit detecting a position of a lamp of a target vehicle (VC) and calculating a lateral position (POS) of said target vehicle (VC) with respect to said motor vehicle (V) using said detected position of said lamp of said tar et vehicle (VC); said at least one control unit further deducing a lateral angular offset (OFFST) as a function of said lateral position of said target vehicle (VC) and controlling an adjustment unit (ACT) capable of adjusting said headlamps (PJ) as a function of said headlamp angle (DBL) and of said lateral angular offset (OFFST); wherein said at least one control unit calculates said lateral position (POS) of said target vehicle (VC) as a function of a position lateral angle (ALP) and of a distance (D) of said target vehicle (VC) with respect to said motor vehicle (V); wherein the calculation of said lateral angular offset (OFFST) is carried out as a function of said lateral position (POS) of said target vehicle (VC) and with respect to said headlamp angle (DBL).
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Specification