CN108515901A - A kind of adaptive lighting control system and control method - Google Patents
A kind of adaptive lighting control system and control method Download PDFInfo
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- CN108515901A CN108515901A CN201810263130.2A CN201810263130A CN108515901A CN 108515901 A CN108515901 A CN 108515901A CN 201810263130 A CN201810263130 A CN 201810263130A CN 108515901 A CN108515901 A CN 108515901A
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005286 illumination Methods 0.000 claims abstract description 224
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 11
- 210000003128 head Anatomy 0.000 description 11
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- 238000010586 diagram Methods 0.000 description 7
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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
- B60Q1/06—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
-
- 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
- B60Q1/085—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 special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a kind of adaptive lighting control system and control method, which includes：Radar supplementary module is arranged in vehicular sideview, drives into the target vehicle of vehicle side rear investigative range for identification；Big lamp controller is used for according to vehicle front identification information, vehicle side rear identification information and vehicle movement state information collection, judge whether target vehicle has passing behavior, if there is passing behavior, the automatic adjusument to left headlamp illumination module and/or right headlamp illumination module is then generated to instruct, and left headlight drive module and/or right headlight drive module are controlled according to the left headlamp illumination module of automatic adjusument order-driven and/or the right headlamp illumination module of driving, before in the illumination zone that target vehicle drives into left headlamp illumination module and/or right headlamp illumination module, lighting dark space is formed in illumination zone.The system and method provided through the invention, can in the illumination zone that rear car is overtaken other vehicles to front truck preceding formation lighting dark space.
Description
Technical field
The present invention relates to technical field of automotive electronics, more specifically, being related to a kind of adaptive lighting control system and control
Method processed.
Background technology
Currently, the features such as adaptively lighting control system is intelligent with its, safe and comfortable, is gradually used by vast vehicle.
As shown in Figure 1, usually adaptive lighting control system is by forward sight camera module 11, big lamp controller 12, vehicle CAN
(Controller Area Network, controller local area network) bus 13, left headlight drive module 14, right headlight drive mould
The part such as block 15, left headlamp illumination module 16 and right headlamp illumination module 17 is constituted.Adaptive lighting control system passes through forward sight
Camera module 11 identifies front vehicles, and identification information is sent to big lamp controller 12 and is handled, and obtains to left headlight
The control information of illumination module 16 and right headlamp illumination module 17, left headlight drive module 14 and right 15 basis of headlight drive module
The corresponding illumination module of the control information-driven forms lighting dark space, and avoiding front vehicles from driving into the illumination zone of vehicle makes to drive
The person of sailing, which generates, to be dazzle the eyes.
However, existing adaptive lighting control system is only capable of relying on operation of the forward sight camera module 11 to front vehicles
Situation is detected, and the horizontal direction detection angle of forward sight camera module 11 is limited, generally no greater than 60 degree so that vehicle
All there is large-scale blind area in the left and right sides.When side, front vehicle are overtaken other vehicles or when with this vehicle parallel running, may be gone out
Existing side, front vehicle rear portion vehicle body be in camera blind area, and the case where foreside bodywork has been enter into the illumination zone of vehicle.
Due to current 11 None- identified side of forward sight camera module, front vehicle, so that adaptive lighting control system is not
Illumination adjustment is carried out for side, front vehicle, when side, front vehicle being caused to be overtaken other vehicles to front, rearview mirror may be by vehicle
Car light illuminates, and makes side, the driver of front vehicle generates and dazzles the eyes.
Invention content
In view of this, the present invention discloses a kind of adaptive lighting control system and control method, to realize after vehicle side
Before the target vehicle of side drives into the illumination zone of the left headlamp illumination module of vehicle and/or right headlamp illumination module, in left headlight
Lighting dark space is formed in illumination module and/or the module illumination zone of right headlamp illumination, and target vehicle is effectively avoided to drive into vehicle
Illumination region, the rearview mirror of target vehicle are illuminated by vehicle, and the driver for leading to target vehicle generates the appearance for dazzling the eyes situation.
A kind of adaptive lighting control system, including：Forward sight camera module, big lamp controller, vehicle CAN bus, a left side
Headlight drive module, right headlight drive module, left headlamp illumination module, right headlamp illumination module and radar supplementary module；
The vehicle CAN bus is assisted with the forward sight camera module, the big lamp controller and the radar respectively
Module connects, for obtaining vehicle movement state information collection；
The radar supplementary module is arranged in vehicular sideview, drives into the mesh of vehicle side rear investigative range for identification
Vehicle is marked, and vehicle side rear identification information is sent to the big lamp controller by the vehicle CAN bus；
The forward sight camera module is connect with the big lamp controller, drives into vehicle front camera view for identification
The target vehicle of range, and vehicle front identification information is sent to the big lamp controller；
The big lamp controller is connect with the left headlight drive module and right headlight drive module respectively, the left headlight
Drive module is connect with the left headlamp illumination module, and the right headlight drive module is connect with the right headlamp illumination module；
The big lamp controller be used for according to the vehicle front identification information, vehicle side rear identification information and
The vehicle movement state information collection, judges whether the target vehicle has passing behavior, if there is passing behavior, generates to institute
The automatic adjusument instruction of left headlamp illumination module and/or the right headlamp illumination module is stated, and controls the left headlight driving
Module according to left headlamp illumination module described in the automatic adjusument order-driven and/or the right headlight drive module according to
Right headlamp illumination module described in the automatic adjusument order-driven drives into the left headlamp illumination module in the target vehicle
And/or the right headlamp illumination module illumination zone in before, in the left headlamp illumination module and/or the right headlamp illumination
Lighting dark space is formed in the illumination zone of module.
Preferably, the radar supplementary module, for detecting whether that the target vehicle appears in the spy of left back radar
It surveys in range, and the duration that the target vehicle is located at left back radar coverage is recorded by the big lamp controller；It visits
Whether survey has the target vehicle to appear in the investigative range of left front radar, and records the target by the big lamp controller
Vehicle is located at the duration of left front radar coverage；And the target vehicle is recorded by the big lamp controller while being located at
The duration of the left back radar coverage and the left front radar coverage；
It is controlled for detecting whether after the target vehicle appears in the right side in the investigative range of radar, and by the headlight
Device records the duration that the target vehicle is located at radar coverage behind the right side；Detect whether that the target vehicle appears in
Before the right side in the investigative range of radar, and target vehicle radar coverage before the right side is recorded by the big lamp controller
Duration；And by the big lamp controller record the target vehicle and meanwhile positioned at it is described it is right after radar coverage and described
The duration of radar coverage before the right side.
A kind of adaptive illumination control method is applied in adaptive lighting control system described above, the control
Method includes：
Obtain the vehicle front identification information of forward sight camera module output, the vehicle side rear of radar supplementary module output
Identification information and the vehicle movement state information collection obtained from vehicle CAN bus；
Believed according to the vehicle front identification information, vehicle side rear identification information and the vehicle motion state
Breath collection, judges whether target vehicle has passing behavior, if there is passing behavior, generates big to left headlamp illumination module and/or the right side
The automatic adjusument of lamp illumination module instructs；
Left headlight drive module is controlled according to left headlamp illumination module described in the automatic adjusument order-driven, and/or
Right headlight drive module is driven into according to right headlamp illumination module described in the automatic adjusument order-driven in the target vehicle
Before in the illumination zone of the left headlamp illumination module and the right headlamp illumination module, the left headlamp illumination module and/
Or lighting dark space is formed in the module illumination zone of the right headlamp illumination.
Preferably, described according to the vehicle front identification information, vehicle side rear identification information and described whole
Vehicle movement state information collection, judges whether target vehicle has passing behavior, if there is passing behavior, generates to left headlamp illumination mould
Group and/or right headlamp illumination module automatic adjusument instruction process include：
When the target vehicle by or drive into the radar supplementary module in the investigative range of vehicle side, and the mesh
The head of mark vehicle enters before car lighting range, and shape is moved according to vehicle side rear identification information and the vehicle
State information collection generates the automatic adjusument instruction.
Preferably, further include：
After the target vehicle enters the camera view range of the forward sight camera module, before the vehicle
Square identification information generates the automatic adjusument instruction.
Preferably, when the target vehicle drive into the radar supplementary module vehicle side investigative range, and it is described
The head of target vehicle enters before car lighting range, is moved according to vehicle side rear identification information and the vehicle
Status information collection generates the automatic adjusument instruction, including：
When the target vehicle drives into the radar supplementary module in the investigative range of vehicle side, mark of overtaking other vehicles is generated
Will；
Wherein, the mark of overtaking other vehicles has passing behavior to indicate for the determining target vehicle, the mark of overtaking other vehicles
It is determined by object mark and the vehicle movement state information collection；
The object mark is located at the duration of left front radar coverage, the target according to the target vehicle
Vehicle is located at the duration of left back radar coverage and the target vehicle is located at the left front radar detection model simultaneously
It encloses and is determined with the duration of the left back radar coverage；Or according to the target vehicle be located at it is right before radar detection model
Duration for enclosing, the target vehicle be located at it is right after radar coverage duration and the target vehicle simultaneously
The duration of radar coverage determines after radar coverage before the right side and the right side.
Preferably, when the target vehicle drive into it is described overtake other vehicles mark when, control the left headlamp illumination module, and/or
The right headlamp illumination module shifts to an earlier date in the module illumination zone of the left headlamp illumination module and/or the right headlamp illumination
Lighting dark space is formed, until retention time zero setting；
Wherein, when the target vehicle is located at the left side of vehicle, the retention time according to the target vehicle simultaneously
Positioned at the duration and the vehicle motion state of the left front radar coverage and the left back radar coverage
Information collection determines；When the target vehicle is located at the right side of vehicle, the retention time is according to the target vehicle while position
In it is described it is right before radar coverage and it is described it is right after radar coverage duration and vehicle motion state letter
Breath collection determines.
Preferably, further include：
When the target vehicle is driven out to the lighting dark space, the control left headlight drive module drives the left headlight
Illumination module and/or the right headlight drive module drive the right headlamp illumination module to restore to normal illumination.
From above-mentioned technical solution it is found that the invention discloses a kind of adaptive lighting control system and control method, by
The target vehicle for driving into vehicle front camera view range is identified in forward sight camera module, by radar supplementary module pair
The target vehicle of vehicle side rear investigative range is identified, and vehicle movement state information collection is obtained by vehicle CAN bus, because
This, big lamp controller can be exported according to the vehicle front identification information of forward sight camera module output, radar supplementary module
Whether vehicle side rear identification information and the vehicle movement state information collection obtained from vehicle CAN bus, judge target vehicle
There is passing behavior, if there is passing behavior, generates the automatic adjusument to left headlamp illumination module and/or right headlamp illumination module
Instruction, by controlling left headlight drive module according to the left headlamp illumination module of the automatic adjusument order-driven and/or right headlight
Drive module drives into left headlamp illumination module according to the right headlamp illumination module of the automatic adjusument order-driven, in target vehicle
And/or right headlamp illumination module illumination zone in before, in left headlamp illumination module and/or the illumination model of right headlamp illumination module
Interior formation lighting dark space is enclosed, effectively avoids target vehicle from being illuminated by vehicle driving into car lighting region, rearview mirror, leads to mesh
The driver of mark vehicle generates the appearance for dazzling the eyes situation.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
Disclosed attached drawing obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of adaptive lighting control system disclosed in the prior art；
Fig. 2 is a kind of structural schematic diagram of adaptive lighting control system disclosed by the embodiments of the present invention；
Fig. 3 is a kind of spy of the coverage, radar supplementary module of forward sight camera module disclosed by the embodiments of the present invention
The illumination zone schematic diagram of survey range, left headlamp illumination module and right headlamp illumination module；
Fig. 4 (a) is showing for the search coverage that a kind of target vehicle disclosed by the embodiments of the present invention is located at the left back radar of vehicle
It is intended to；
Fig. 4 (b) is a kind of target vehicle disclosed by the embodiments of the present invention simultaneously positioned at the search coverage of the left back radar of vehicle
With the schematic diagram of the search coverage of the left front radar of vehicle；
Fig. 4 (c) is the search coverage that a kind of target vehicle disclosed by the embodiments of the present invention is located at the left front radar of vehicle, and
The schematic diagram of left front illumination module adjustment illumination zone；
Fig. 4 (d) is that a kind of big lamp controller disclosed by the embodiments of the present invention is left big according to the control of vehicle front identification information
The schematic diagram of lamp illumination module and the illumination zone of right headlamp illumination module；
Fig. 5 is a kind of and relevant 8 variables of vehicle body radar disclosed by the embodiments of the present invention in Fig. 4 (a), Fig. 4 (b), Fig. 4
(c) and during Fig. 4 (d) change with time situation schematic diagram；
Fig. 6 is a kind of flow chart of adaptive illumination control method disclosed by the embodiments of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of adaptive lighting control system and control methods, are sailed in target vehicle with realizing
Before entering in the illumination zone of the left headlamp illumination module of vehicle and/or right headlamp illumination module, the left headlamp illumination module of vehicle and/
Or lighting dark space is formed in the module illumination zone of right headlamp illumination, effectively avoid target vehicle from driving into car lighting region,
Its rearview mirror is illuminated by vehicle, and the driver for leading to target vehicle generates the appearance for dazzling the eyes situation, wherein heretofore described
Vehicle refers to that the vehicle with adaptive lighting control system, target vehicle are the vehicles positioned at the vehicle side rear.
A kind of adaptive lighting control system disclosed in one embodiment of the invention, referring to Fig. 2, which includes：Forward sight is taken the photograph
As head module 11, big lamp controller 12, vehicle CAN bus 13, left headlight drive module 14, right headlight drive module 15, Zuo great
Lamp illumination module 16, right headlamp illumination module 17 and radar supplementary module 18；
Wherein, vehicle CAN bus 13 respectively with forward sight camera module 11, big lamp controller 12 and radar supplementary module 18
Connection, for obtaining vehicle movement state information collection, which may include vehicle CAN bus 13：Vehicle
Electric source modes, engine condition, speed, car light state, steering wheel angle etc..
Radar supplementary module 18 is arranged in vehicular sideview, drives into the target carriage of vehicle side rear investigative range for identification
, and vehicle side rear identification information is sent to big lamp controller 12 by vehicle CAN bus 13.
Forward sight camera module 11 is connect with big lamp controller 12, drives into vehicle front camera view range for identification
Target vehicle, and vehicle front identification information is sent to big lamp controller 12, in practical applications, forward sight camera module
11 can be arranged in front part of vehicle center position.
Big lamp controller 12 is connect with left headlight drive module 14 and right headlight drive module 15 respectively, and left headlight drives mould
Block 14 is connect with left headlamp illumination module 16, and right headlight drive module 15 is connect with right headlamp illumination module 17；
Vehicle front identification information that big lamp controller 12 is used to export according to forward sight camera module 11, radar auxiliary mould
The vehicle side rear identification information and the vehicle movement state information collection obtained from vehicle CAN bus 13 that block 18 exports, generate
Automatic adjusument instruction to left headlamp illumination module 16 and/or right headlamp illumination module 17, and control left headlight drive module
14 is adaptive according to this according to the left headlamp illumination module 16 of the automatic adjusument order-driven and/or right headlight drive module 15
Regulating command drives right headlamp illumination module 17, and left headlamp illumination module 16 and/or right headlamp illumination mould are driven into target vehicle
Before in the illumination zone of group 17, is formed and shone in the illumination zone of left headlamp illumination module 16 and/or right headlamp illumination module 17
Light and shade area.
It should be noted that when target vehicle drives into the photograph of left headlamp illumination module 16 and/or right headlamp illumination module 17
When in bright range, that is, when target vehicle drives into car lighting region, the rearview mirror of target vehicle can be illuminated, and lead to mesh
The driver's generation for marking vehicle is dazzling, to make target vehicle be likely to occur danger.Based on this, the present invention will in target vehicle
Car lighting region is driven into, dazzling dazzling danger zone is mainly generated to target vehicle, forms lighting dark space in advance, to keep away
The rearview mirror for exempting from target vehicle is illuminated by vehicle, and the driver for leading to target vehicle generates the appearance for dazzling the eyes situation.
In summary, adaptive lighting control system disclosed by the invention, by forward sight camera module 11 to driving into vehicle
The target vehicle of front camera view range is identified, by radar supplementary module 18 to the mesh of vehicle side rear investigative range
Mark vehicle is identified, and obtains vehicle movement state information collection by vehicle CAN bus 13, therefore, big lamp controller 12 can root
The vehicle side rear of the vehicle front identification information, the output of radar supplementary module 18 that are exported according to forward sight camera module 11 identifies letter
Breath and the vehicle movement state information collection obtained from vehicle CAN bus 13 generate big to left headlamp illumination module 16 and/or the right side
The automatic adjusument of lamp illumination module 17 instructs, by controlling left headlight drive module 14 according to the automatic adjusument order-driven
Left headlamp illumination module 16 and/or right headlight drive module 15 are according to the right headlamp illumination module of the automatic adjusument order-driven
17, in the illumination zone that target vehicle drives into left headlamp illumination module and/or right headlamp illumination module before, in left headlamp illumination
Lighting dark space is formed in the illumination zone of module 16 and/or right headlamp illumination module 17, and target vehicle is effectively avoided to drive into vehicle
Illumination region, rearview mirror are illuminated by vehicle, and the driver for leading to target vehicle generates the appearance for dazzling the eyes situation.
In practical applications, radar supplementary module can include four radar probes, as shown in figure 3, four radar probes
Respectively：Left front radar 181 positioned at vehicle body left front, is located at vehicle body right front at the left back radar 182 positioned at vehicle body left back
The right side before radar 183 and the radar 184 behind the right side of vehicle body right back；Wherein, the investigative range of left front radar 181 is shown in attached drawing mark
Remember 185 indicating areas, the investigative range of left back radar 182 sees appendix 186 indicating area of label, it is right before radar 183 detection model
It encloses and sees 187 indicating area of reference numeral, the investigative range of radar 184 is shown in 188 indicating area of reference numeral behind the right side.Therefore, radar
The investigative range that supplementary module 18 can identify target vehicle, specifically includes：Left front radar coverage 185, left back radar
Investigative range 186, it is right before radar coverage 188 behind radar coverage 187 and the right side.
In practical applications, radar supplementary module, which is particularly used in, has detected whether that target vehicle appears in left back radar
In 182 investigative range, and the duration that target vehicle is located at left back radar coverage 186 is recorded by big lamp controller；
Detect whether that target vehicle appears in the investigative range of left front radar 181, and by big lamp controller record target vehicle position
In the duration of left front radar coverage 185；And it is visited simultaneously positioned at left back radar by big lamp controller record target vehicle
Survey the duration of range 186 and left front radar coverage 185；
Remember for detecting whether after target vehicle appears in the right side in the investigative range of radar 184, and by big lamp controller
Record the duration that target vehicle is located at radar coverage 188 behind the right side；Radar before target vehicle appears in the right side is detected whether
In 183 investigative range, and by the duration of big lamp controller record target vehicle radar coverage 187 before the right side；
And the target vehicle radar coverage 187 before radar coverage 188 behind the right side and the right side simultaneously is recorded by big lamp controller
Duration.
It should be noted that the quantity for the radar probe that radar supplementary module includes includes but not limited to aforementioned four, tool
Body can depend on the actual needs.
For convenience of the operation principle of adaptive lighting control system described above is understood, also showing forward sight in Fig. 3 takes the photograph
As the photograph of the camera view range 191 of head module, the illumination zone 192 of left headlamp illumination module and right headlamp illumination module
Bright range 193, wherein camera view range 191 namely the illumination zone of camera view range covering vehicle head lamp,
In practical application, the identification of forward sight camera module is the target vehicle for driving into camera view range 191.
A specific embodiment is provided below to illustrate the operation principle of adaptive lighting control system.
Assuming that target vehicle passing on left from vehicle, referring to Fig. 4 (a), Fig. 4 (b), Fig. 4 (c) and Fig. 4 (d), adaptively
The operation principle of lighting control system is specific as follows：
When target vehicle is from left back overtaken other vehicles, left back radar 182 in radar supplementary module, left front radar 181 and
Forward sight camera module detects the target vehicle successively.Target vehicle by or enter the investigative range of left back radar 182
And/or the investigative range of left front radar 181, and the head of target vehicle enters before car lighting range, such as Fig. 4 (a) and Fig. 4
(b) shown in.The target vehicle that big lamp controller can be detected according to left front radar 181 and left back radar 182, determines target carriage
In vehicle left side and there is passing behavior, at this point, big lamp controller generates corresponding automatic adjusument instruction, only control is left big
Lamp illumination module controls left headlamp illumination module and right headlamp illumination module simultaneously, is shone in left headlamp illumination module and right headlight
Lighting dark space is formed in advance in the illumination zone of bright module, as shown in Fig. 4 (c).When target vehicle is known by forward sight camera module
After not, vehicle front identification information is sent to big lamp controller by forward sight camera module, and big lamp controller is known according to the front
Other information controls the illumination zone of left headlamp illumination module by left headlight drive module, as shown in Fig. 4 (d).
9 variables and 4 functions are introduced below come when illustrating that vehicle left side passes through target vehicle, big lamp controller generates certainly
Adapt to the calculating process of regulating command：
Assuming that the object distance D between target vehicle and vehicle that left back radar 182 detectsLR；Left front radar 181 is visited
Object distance D between the target vehicle and vehicle that measureLF；Left back radar 182 and left front radar 181 detect target simultaneously
When vehicle, assigns object and identify FLL；Vehicle movement state information collection HV；Target vehicle drives into the mark F that overtakes other vehiclesLCIAnd target carriage
Retention time T after driving intoLCIH；Wherein, overtake other vehicles mark FLCITo confirm that target vehicle has passing behavior to indicate, mesh
It marks object and identifies FLLIt is the mark that event of overtaking other vehicles occurs, which could estimate that target vehicle is sailed in the follow-up process after occurring
Enter left headlamp illumination module and/or whether the illumination zone of right headlamp illumination module this event occurs.
When target vehicle starts to drive into the investigative range of left back radar, and big lamp controller starts timer, and in mesh
When mark vehicle is driven out to the investigative range of left back radar, control timer stops timing, passes through left back thunder to obtain target vehicle
Up to the duration T of investigative rangeLR；
Similarly, when target vehicle starts to drive into the investigative range of left front radar, and big lamp controller starts timer, and
When target vehicle is driven out to the investigative range of left front radar, control timer stops timing, passes through a left side to obtain target vehicle
The duration T of preceding radar coverageLF；
Similarly, when target vehicle is still in the investigative range of left back radar, and starts to drive into the investigative range of left front radar,
When big lamp controller starts timer, and when target vehicle is driven out to the investigative range of left back radar, control timer stops
Timing, to obtain target vehicle while the duration of the investigative range positioned at the investigative range and left back radar of left front radar
TLL；
4 functions f's, g, h, p is described as follows：
(TLF, TLR, TLL)=f (DLF, DLR) (1)；
FLL=g (TLF, TLR, TLL) (2)；
FLCI=h (FLL, HV) (3)；
TLCIH=p (TLL, HV) (4)；
Wherein, the principle of function (1)：By the monitoring to two detection ranges, which includes：Vehicle it is left back
Object distance D between target vehicle and vehicle that radar 182 detectsLR；The target that the left front radar 181 of vehicle detects
Object distance D between vehicle and vehicleLF；Amplitude, variation tendency etc. are carried out to detection range for the characteristic of backup radar
Filtering, by starting timing after filter.
The principle of function (2)：It is accordingly filtered by the amplitude size to three times, to be confirmed whether to have occurred one
The event that a target is arrived by two probe detections simultaneously.Specifically, in function (2), visited by left front radar according to target vehicle
Survey the duration T of rangeLF, the target vehicle duration T that passes through left back radar coverageLRAnd target vehicle is simultaneously
Positioned at the duration T of the investigative range and left back radar coverage of left front radarLL, assign left back radar and left front radar be same
When detect object mark FLL；
The principle of function (3)：According to vehicle running environment, including speed, corner and road conditions, such as speed limit, rear car is judged
The confidence level overtaken other vehicles is to occur when being more than some value.Specifically, in function (3), simultaneously according to left back radar and left front radar
Detect object mark FLLAnd vehicle movement state information collection HV, assign vehicle left side target vehicle drive into mark FLCI；
The principle of function (4)：According to duration TLL, car speed, the information such as acceleration, when estimation target vehicle sail
Enter the investigative range of preceding camera module, keeps left headlamp illumination module and/or right headlamp illumination module within the time period
Illumination zone is in lighting dark space.Specifically, in function (4), according to target vehicle simultaneously positioned at the investigative range of left front radar
With the duration T of left back radar coverageLLAnd vehicle movement state information collection HV, calculate the target for obtaining vehicle left side
Vehicle drive into after retention time TLCIH。
Referring to Fig. 5, a kind of and relevant 8 variables of radar probe are in Fig. 4 (a), Fig. 4 disclosed in one embodiment of the invention
(b), change with time situation during Fig. 4 (c) and Fig. 4 (d), wherein abscissa indicates time t；
When target vehicle drives into the mark F that overtakes other vehiclesLCIWhen, big lamp controller confirms that target vehicle is overtaken other vehicles row from vehicle left side
For big lamp controller generates corresponding automatic adjusument instruction, controls left headlamp illumination module or controls left headlight simultaneously and shines
Bright module and right headlamp illumination module form illumination in advance in left headlamp illumination module and right headlamp illumination module illumination zone
Dark space, specifically, dazzling the eyes dangerous region to form lighting dark space, and until retention time T in advance having to target vehicleLCIH
Until zero setting.The target vehicle for driving into vehicle front camera view range is identified in forward sight camera module later, greatly
The vehicle front identification information that lamp controller is identified according to forward sight camera module controls left headlamp illumination module or simultaneously
Control the dark space range of left headlamp illumination module and right headlamp illumination module.Wherein, the size of dark space range and this vehicle headlight
Granularity and the field range of forward sight camera module are related to the gap of automobile front lamp illumination width, wherein described herein
Automobile front lamp illumination width refer to：Left headlamp illumination module and the total illumination width of right headlamp illumination module.
It should be strongly noted that when target vehicle from the right side of vehicle by when, the work of adaptive lighting control system
It is same as above as principle, details are not described herein again.
Preferably, the radar probe in the present invention in radar supplementary module can be that ultrasonic radar is popped one's head in.
Through theoretical and empirical analysis it is found that when target vehicle is overtaken other vehicles, the lateral distance of target vehicle and vehicle is limited.With
For 3 tracks, it is assumed that each track is 3.5 meters wide, then the total track in 3 tracks is 10.5 meters wide, then the cross between target vehicle and vehicle
9 meters are not exceeded to distance, the investigative range of general ultrasonic radar probe can meet most of demands.
In practical applications, can also according to actual needs, such as vehicular high beam illumination zone chooses other type detections
Apart from farther radar probe, the present invention does not limit herein.
In summary, adaptive lighting control system disclosed by the invention, by forward sight camera module to driving into vehicle before
The target vehicle of square camera view range is identified, by radar supplementary module to the target carriage of vehicle side rear investigative range
It is identified, vehicle movement state information collection is obtained by vehicle CAN bus, therefore, big lamp controller can be taken the photograph according to forward sight
Vehicle side rear identification information that the vehicle front identification information that is exported as head module, radar supplementary module export and from vehicle
The vehicle movement state information collection that CAN bus obtains is obtained to the adaptive of left headlamp illumination module and/or right headlamp illumination module
Regulating command is answered, by the left headlight drive module of control according to the left headlamp illumination module of the automatic adjusument order-driven, and/or
Right headlight drive module drives into left headlamp illumination according to the right headlamp illumination module of the automatic adjusument order-driven, in target vehicle
Before the illumination zone of module and/or right headlamp illumination module, in the illumination of left headlamp illumination module and/or right headlamp illumination module
Lighting dark space is formed in range, is shone by vehicle to effectively prevent target vehicle driving into car lighting region, rearview mirror
Bright, the driver for leading to target vehicle generates the appearance for dazzling the eyes situation.
Corresponding with above system embodiment, the invention also discloses a kind of adaptive illumination control methods.
Referring to Fig. 6, a kind of flow chart of adaptive illumination control method, this method application disclosed in one embodiment of the invention
Big lamp controller in above-mentioned adaptive lighting control system, the control method include step：
Step S101, the vehicle front identification information of forward sight camera module output is obtained, radar supplementary module exports
Vehicle side rear identification information and the vehicle movement state information collection obtained from vehicle CAN bus；
Wherein, forward sight camera module and radar supplementary module position in the car and operation principle refer to system
Embodiment corresponding part, details are not described herein again.
Vehicle movement state information collection may include：The electric source modes of vehicle, engine condition, speed, car light state, side
To disk corner etc..
Step S102, according to the vehicle front identification information, vehicle side rear identification information and the vehicle
Movement state information collection, judges whether target vehicle has passing behavior, if so, S103 is thened follow the steps, if it is not, then returning
Step S101；
Step S103, the automatic adjusument to left headlamp illumination module and/or right headlamp illumination module is generated to instruct；
Specifically, when target vehicle by or drive into radar supplementary module in the investigative range of vehicle side, and target carriage
Head enter before car lighting range, it is raw according to vehicle side rear identification information and vehicle movement state information collection
It is instructed at automatic adjusument；After target vehicle enters the camera view range of forward sight camera module, according to vehicle front
Identification information generates automatic adjusument instruction.
In practical applications, when target vehicle drives into radar supplementary module in the investigative range of vehicle side, and target carriage
Head enter before car lighting range, it is raw according to vehicle side rear identification information and vehicle movement state information collection
At the process that automatic adjusument instructs, can specifically include：
When target vehicle drives into radar supplementary module in the investigative range of vehicle side, mark of overtaking other vehicles is generated；
Wherein, mark is overtaken other vehicles to determine that target vehicle has passing behavior to indicate, mark of overtaking other vehicles is identified by object
It is determined with vehicle movement state information collection, for details, reference can be made to, to the associated description of function (3), no longer go to live in the household of one's in-laws on getting married herein in system embodiment
It states.
Object identifies：It is located at the duration of left front radar coverage according to target vehicle, target vehicle is located at a left side
The duration of radar coverage and target vehicle are located at left front radar coverage and left back radar detection model simultaneously afterwards
The duration enclosed determines；Or the duration of radar coverage, target vehicle are located at before the right side according to target vehicle
The duration of radar coverage and the target vehicle radar detection after radar coverage before the right side and the right side simultaneously behind the right side
The duration of range determines that for details, reference can be made to, to the associated description of function (2), details are not described herein again in system embodiment.
Step S104, left headlight drive module is controlled according to the left headlamp illumination module of automatic adjusument order-driven, and/or
Right headlight drive module drives into left headlamp illumination mould according to the right headlamp illumination module of automatic adjusument order-driven, in target vehicle
Before in group and the illumination zone of right headlamp illumination module, model is illuminated in the module of left headlamp illumination module and/or right headlamp illumination
Enclose interior formation lighting dark space.
It should be noted that the specific control principle of adaptive illumination control method can be found in control system to adaptive
The narration of the operation principle of lighting control system, details are not described herein again.
Wherein, big lamp controller generates the calculating process of automatic adjusument instruction, reference can be made to drawing in control system embodiment
Enter 9 variables and 4 functions to illustrate narration of the vehicle left side by target vehicle part.
In summary, adaptive illumination control method disclosed by the invention, by forward sight camera module to driving into vehicle before
The target vehicle of square camera view range is identified, by radar supplementary module to the target carriage of vehicle side rear investigative range
It is identified, vehicle movement state information collection is obtained by vehicle CAN bus, therefore, big lamp controller can be taken the photograph according to forward sight
Vehicle side rear identification information that the vehicle front identification information that is exported as head module, radar supplementary module export and from vehicle
The vehicle movement state information collection that CAN bus obtains is generated to the adaptive of left headlamp illumination module and/or right headlamp illumination module
Regulating command is answered, by the left headlight drive module of control according to the left headlamp illumination module of the automatic adjusument order-driven, and/or
Right headlight drive module drives into left headlamp illumination according to the right headlamp illumination module of the automatic adjusument order-driven, in target vehicle
Before in the illumination zone of module and/or right headlamp illumination module, in left headlamp illumination module and/or the photograph of right headlamp illumination module
Lighting dark space is formed in bright range, is effectively avoided target vehicle from being illuminated by vehicle driving into car lighting region, rearview mirror, is led
The driver of target vehicle is caused to generate the appearance for dazzling the eyes situation.
In order to further optimize the above embodiments, adaptive illumination control method is after step s 104, can also include：
When target vehicle is driven out to the lighting dark space, controls left headlight drive module and drive left headlamp illumination module, and/
Or right headlight drive module drives right headlamp illumination module to restore to normal illumination.
It should be noted that in above-described embodiment, when target vehicle, which drives into, overtakes other vehicles mark, adaptive lighting control system
Left headlamp illumination module and/or right headlamp illumination module can be controlled in left headlamp illumination module and/or the module of right headlamp illumination
Lighting dark space is formed in illumination zone in advance, until retention time zero setting；
Wherein, when target vehicle is located at the left side of vehicle, which is located at left front thunder simultaneously according to target vehicle
Duration and vehicle movement state information collection up to investigative range and left back radar coverage determine；Work as target vehicle
When positioned at the right side of vehicle, the retention time is according to the target vehicle radar detection after radar coverage before the right side and the right side simultaneously
The duration of range and vehicle movement state information collection determine.For details, reference can be made in system embodiment to the phase of function (4)
Description is closed, details are not described herein again.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that
A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of adaptive lighting control system, which is characterized in that including：Forward sight camera module, big lamp controller, vehicle
CAN bus, left headlight drive module, right headlight drive module, left headlamp illumination module, right headlamp illumination module and radar auxiliary
Module；
The vehicle CAN bus respectively with the forward sight camera module, the big lamp controller and the radar supplementary module
Connection, for obtaining vehicle movement state information collection；
The radar supplementary module is arranged in vehicular sideview, drives into the target carriage of vehicle side rear investigative range for identification
, and vehicle side rear identification information is sent to the big lamp controller by the vehicle CAN bus；
The forward sight camera module is connect with the big lamp controller, drives into vehicle front camera view range for identification
Target vehicle, and vehicle front identification information is sent to the big lamp controller；
The big lamp controller is connect with the left headlight drive module and right headlight drive module respectively, the left headlight driving
Module is connect with the left headlamp illumination module, and the right headlight drive module is connect with the right headlamp illumination module；
The big lamp controller is used for according to the vehicle front identification information, vehicle side rear identification information and described
Vehicle movement state information collection, judges whether the target vehicle has passing behavior, if there is passing behavior, generates to the left side
The automatic adjusument of headlamp illumination module and/or the right headlamp illumination module instructs, and controls the left headlight drive module
According to left headlamp illumination module described in the automatic adjusument order-driven and/or the right headlight drive module according to
Right headlamp illumination module described in automatic adjusument order-driven, the target vehicle drive into the left headlamp illumination module and/
Or the right headlamp illumination module illumination zone in before, in the left headlamp illumination module and/or the right headlamp illumination mould
Lighting dark space is formed in the illumination zone of group.
2. adaptive lighting control system according to claim 1, which is characterized in that the radar supplementary module is used for
It detects whether that the target vehicle appears in the investigative range of left back radar, and the mesh is recorded by the big lamp controller
Mark vehicle is located at the duration of left back radar coverage；Detect whether that the target vehicle appears in the spy of left front radar
It surveys in range, and the duration that the target vehicle is located at left front radar coverage is recorded by the big lamp controller；And
The target vehicle is recorded by the big lamp controller while being visited positioned at the left back radar coverage and the left front radar
Survey the duration of range；
Remember for detecting whether after the target vehicle appears in the right side in the investigative range of radar, and by the big lamp controller
Record the duration that the target vehicle is located at radar coverage behind the right side；Before having detected whether that the target vehicle appears in the right side
In the investigative range of radar, and by the big lamp controller record the target vehicle be located at it is right before radar coverage continue
Time；And by the big lamp controller record the target vehicle and meanwhile positioned at it is described it is right after radar coverage and it is described it is right before
The duration of radar coverage.
3. a kind of adaptive illumination control method, which is characterized in that be applied to adaptive described in claims 1 or 2 any one
It answers in lighting control system, the control method includes：
Obtain the vehicle front identification information of forward sight camera module output, the vehicle side rear identification of radar supplementary module output
Information and the vehicle movement state information collection obtained from vehicle CAN bus；
According to the vehicle front identification information, vehicle side rear identification information and the vehicle movement state information
Collection, judges whether target vehicle has passing behavior, if there is passing behavior, generates to left headlamp illumination module and/or right headlight
The automatic adjusument of illumination module instructs；
It is big according to left headlamp illumination module described in the automatic adjusument order-driven, and/or the right side to control left headlight drive module
Lamp drive module is driven into described according to right headlamp illumination module described in the automatic adjusument order-driven in the target vehicle
Before in the illumination zone of left headlamp illumination module and the right headlamp illumination module, in the left headlamp illumination module and/or institute
It states and forms lighting dark space in the module illumination zone of right headlamp illumination.
4. adaptive illumination control method according to claim 3, which is characterized in that described to be known according to the vehicle front
Whether other information, vehicle side rear identification information and the vehicle movement state information collection, judge the target vehicle
There is passing behavior, if there is passing behavior, generates the automatic adjusument to left headlamp illumination module and/or right headlamp illumination module
The process of instruction includes：
When the target vehicle by or drive into the radar supplementary module in the investigative range of vehicle side, and the target carriage
Head enter before car lighting range, believed according to vehicle side rear identification information and the vehicle motion state
Breath collection generates the automatic adjusument instruction.
5. adaptive illumination control method according to claim 4, which is characterized in that further include：
After the target vehicle enters the camera view range of the forward sight camera module, known according to the vehicle front
Other information generates the automatic adjusument instruction.
6. adaptive illumination control method according to claim 4, which is characterized in that described in being driven into when the target vehicle
Radar supplementary module is in the investigative range of vehicle side, and the head of the target vehicle enters before car lighting range, root
According to vehicle side rear identification information and the vehicle movement state information collection, the automatic adjusument instruction, packet are generated
It includes：
When the target vehicle drives into the radar supplementary module in the investigative range of vehicle side, mark of overtaking other vehicles is generated；
Wherein, described to overtake other vehicles mark to determine that the target vehicle has passing behavior to indicate, the mark of overtaking other vehicles is by mesh
It marks object mark and the vehicle movement state information collection determines；
The object mark is located at the duration of left front radar coverage, the target vehicle according to the target vehicle
Positioned at the duration of left back radar coverage and the target vehicle simultaneously positioned at the left front radar coverage and
The duration of the left back radar coverage determines；Or according to the target vehicle be located at it is right before radar coverage
Duration, the target vehicle duration of radar coverage and the target vehicle behind the right side are located at simultaneously
It is described it is right before radar coverage and it is described it is right after duration of radar coverage determine.
7. adaptive illumination control method according to claim 6, which is characterized in that described in being driven into when the target vehicle
Overtake other vehicles mark when, control the left headlamp illumination module and/or the right headlamp illumination module in the left headlamp illumination module
And/or lighting dark space is formed in advance in the module illumination zone of the right headlamp illumination, until retention time zero setting；
Wherein, when the target vehicle is located at the left side of vehicle, the retention time is located at simultaneously according to the target vehicle
The duration and the vehicle movement state information of the left front radar coverage and the left back radar coverage
Collection determines；When the target vehicle is located at the right side of vehicle, the retention time is located at institute simultaneously according to the target vehicle
State radar coverage before the right side and it is described it is right after radar coverage duration and the vehicle movement state information collection
It determines.
8. adaptive illumination control method according to claim 3, which is characterized in that further include：
When the target vehicle is driven out to the lighting dark space, the control left headlight drive module drives the left headlamp illumination
Module and/or the right headlight drive module drive the right headlamp illumination module to restore to normal illumination.
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| CN113103951A (en) * | 2020-01-13 | 2021-07-13 | 现代摩比斯株式会社 | Intelligent headlamp prediction control system and method |
| CN113784482A (en) * | 2021-09-18 | 2021-12-10 | 合肥工业大学 | Intelligent headlamp system of vehicle |
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| CN108515901B (en) | 2021-03-23 |
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