CN107719226B - A kind of intelligent control method of the headlight for vehicle light lamp based on car networking - Google Patents
A kind of intelligent control method of the headlight for vehicle light lamp based on car networking Download PDFInfo
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- CN107719226B CN107719226B CN201710749673.0A CN201710749673A CN107719226B CN 107719226 B CN107719226 B CN 107719226B CN 201710749673 A CN201710749673 A CN 201710749673A CN 107719226 B CN107719226 B CN 107719226B
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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
-
- 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
-
- 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
- B60Q2300/30—Indexing codes relating to the vehicle environment
-
- 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
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/31—Atmospheric conditions
- B60Q2300/314—Ambient light
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
A kind of intelligent control method of the headlight for vehicle light lamp based on car networking, including：(1) specific location that key node is found on vehicular map requires distance as radius, draws target domain using key node as the center of circle using driving；(2) when this vehicle touches the boundary of target domain, the corresponding control operation of headlight for vehicle light lamp is made；(3) when occurring other vehicles in target domain, the corresponding control operation of headlight for vehicle light lamp is made；(4) the extraneous intensity of illumination, temperature and relative humidity of this vehicle are acquired in real time or wireless signal and is compared with corresponding threshold value, and the corresponding control operation of headlight for vehicle light lamp is made；The present invention realizes and effectively and accurately controls the intelligent comprehensive of far and near lamp that system loading is small, stable, safe.
Description
Technical field
The present invention relates to intelligent automobile field more particularly to a kind of intelligent controls of the headlight for vehicle light lamp based on car networking
Method.
Background technology
Technology of Internet of things is developed rapidly at present, and car networking technology is then technology of Internet of things in intelligent transportation field
Concrete application.Car networking onboard system is using vehicle as control object, while by vehicle as information node, by system
Each automobile carries out perception acquisition to running environment information, and information sharing is realized using wireless communication technique, is carried out to vehicle big
Scale intelligence is managed collectively, and has provided in real time accurately information Check inquiries, route guidance, the skilful diagnosis of event and amusement and recreation to the user
Deng service, it is effectively improved the trip mode of people, enhances transport capacity, prevention or the hair for alleviating traffic accident of road traffic
It is raw, pollution and energy consumption of the road traffic to environment are reduced, the management and control ability in traffic control portion mouthful is promoted, to be conducive to alleviate city
City's road traffic gathers around all situations, solves urban transport problems.But current car networking technology fails to the long-and-short distant light for vehicle
Effective intelligent control is carried out, can not still avoid leading to asking for traffic accidents to the unreasonable use of long-and-short distant light completely
Topic, especially the phenomenon that abuse high beam are quite serious.Long-and-short distant light is one of important lighting apparatus on automobile, if but unreasonable
Using long-and-short distant light, traffic safety will have a direct impact on.
Since the light ray parallel of high beam projects, light is concentrated and brightness is larger, and illuminance is big；If in night meeting,
It can make to generate moment blinding on opposite Driver Vision using high beam, driver drives as closed one's eyes in the short time, to surrounding
Pedestrian and front and back to carry out vehicle observation ability substantially zeroed.And vehicle is in the case where opening high beam, if pedestrian from
When 15 meters or so places of Chinese herbaceous peony, the figure of pedestrian will be swallowed up by light completely, and driver can not see pedestrian.In addition, rear low coverage
If from vehicle open high beam when, large area halation will occur in inside and outside 3 rearview mirrors of front truck, reduce in front of rear car
The visual range of road conditions, and largely effect on traffic safety.And encountering the road surface ring for there are the low visibilities such as mist, rain, snow, sand and dust
Border, and enter tunnel, without street lamp when extraneous intensity of illumination too low running environment when, because unreasonable using dipped headlight and remote
Light lamp and the case where lead to driving accident；If therefore can cannot seriously reduce the row at night reasonably to the use of long-and-short distant light
Vehicle safety, greatly increases the occurrence probability of peril.Therefore, for proposing that one kind being capable of accurate and effective control headlight for vehicle light
The method of lamp has important social effect to the safety traffic of vehicle.
Invention content
It is an object of the invention to propose a kind of intelligent control method of the headlight for vehicle light lamp based on car networking, realize
Effectively and accurately the intelligent comprehensive of far and near lamp is controlled in changeable environment, system loading is small, stable, to remote/close
The judgement of switching and open and close between light lamp and side-marker lamp and operation much sooner, safety higher.
For this purpose, the present invention uses following technical scheme：
A kind of intelligent control method of the headlight for vehicle light lamp based on car networking, including it is car networking car-mounted terminal, vehicle-mounted fixed
Position system, function sensor and vehicle；The car networking car-mounted terminal is obtained for being communicated by wireless network and control centre
Take the traffic information of condition of road surface, vehicle density, including distribution position of the in the same direction/opposed vehicle on vehicular map near this vehicle
It sets；The vehicle positioning system for obtaining more specific location information of this vehicle on vehicular map, and is found on vehicular map
Nearest key node in front of this opposite truck position；
The function sensor includes illuminance transmitter, humiture transducer and wireless signal acquisition device；The illumination
Spend transmitter, the intensity of illumination for acquiring this vehicle external world in real time；The humiture transducer, acquires outside this vehicle in real time for adopting
The temperature and relative humidity on boundary；The wireless signal acquisition device is used for detection wireless signal；
Including following content：
(1) specific location of key node is found on vehicular map, the key node includes the entrance in tunnel, crossing
Or any one in the real-time specific location of this vehicle draws mesh using the key node as the center of circle, and using suitable distance as radius
Mark field；
(2) when this vehicle touches the boundary of the target domain, the corresponding control operation of headlight for vehicle light lamp is made；
(3) when occurring other vehicles in the target domain, the corresponding control operation of headlight for vehicle light lamp is made；
(4) acquire in real time this vehicle extraneous intensity of illumination, temperature and relative humidity or wireless signal and with corresponding threshold value into
Row compares, and makes the corresponding control operation of headlight for vehicle light lamp.
More preferably, it when the key node is tunnel, obtains target domain and makes the corresponding control of headlight for vehicle light lamp
System operation, includes the following steps：
D11：This vehicle is detected whether in closing light status or open high beam state, if so, step D12 is executed, it is no
Then, step D11 is continued to execute；
D12：Current location of this vehicle on vehicular map is obtained, and opposite this vehicle current location is found in vehicular map
The nearest tunnel in front converses the distance d1 on the vehicular map corresponding to 15 meters according to vehicular map engineer's scale；
D13：Using the entrance in the nearest tunnel in the front as the center of circle on vehicular map, distance d1 is that radius work circle obtains one
A field A；
D14：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle for the first time touch
When the boundary of the field A, whether this vehicle is detected in closing light status, if so, this vehicle opens dipped headlight and side-marker lamp,
Otherwise, high beam is switched to dipped headlight by this vehicle；
D15：Specific location of this vehicle on vehicular map is obtained in real time, is touched for the second time in vehicular map this vehicle of being taken in
When the boundary of the field A, the opposite next nearest tunnel in front in this vehicle current location is found on vehicular map, is entered
Step D13 is recycled.
More preferably, the temperature and relative humidity for acquiring this vehicle external world in real time are compared with corresponding threshold value, and make vehicle
The corresponding control operation of long-and-short distant light, includes the following steps：
D21：By demarcating fine day to different temperatures and relative humidity, the cloudy day, the rainy day, the greasy weather, snowing and sand and dust, wherein fine
It is 0, the cloudy day, the rainy day, the greasy weather, snow and sand and dust be 1；The data demarcated composition training set is trained SVM, it should
SVM input variables are temperature and relative humidity, and it is 0 or 1 to export, and kernel function is gaussian kernel function, and training algorithm is calculated using SMO
Method obtains the SVM that training is completed；
D22：Detect whether this vehicle is in light closed state, if so, otherwise executing step D23 continues to execute step
D22；
D23：This vehicle acquired the temperature in this vehicle external world and relatively wet in real time at interval of 1 second by the humiture transducer
Degree, and it is input to the SVM for having trained and having completed；
D24：Train the SVM completed that will export 0 or 1, if output 1, this vehicle opens dipped headlight and side-marker lamp.
More preferably, it when the key node is crossing, obtains target domain and makes the corresponding control of headlight for vehicle light lamp
System operation, includes the following steps：
D31：This vehicle is detected whether in high beam state is opened, if so, otherwise executing step D32 continues to execute step
D31；
D32：Current location of this vehicle on vehicular map is obtained, and opposite this vehicle current location is found in vehicular map
The nearest crossing in front converses the distance d on the vehicular map corresponding to 150 meters according to vehicular map engineer's scale；
D33：Using the nearest crossing in the front as the center of circle on vehicular map, distance d is that radius work circle obtains a field
B；
D34：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle for the first time touch
When the boundary of the field B, then high beam is switched to dipped headlight by this vehicle；
D35：Specific location of this vehicle on vehicular map is obtained in real time, is touched for the second time in vehicular map this vehicle of being taken in
When the boundary of the field B, the opposite next nearest crossing in front in this vehicle current location is found on vehicular map, is entered
Step D33 is recycled.
More preferably, it when the key node is the real-time specific location of this vehicle, obtains target domain and to make vehicle remote
The corresponding control operation of dipped headlight, includes the following steps：
D41：Obtain real-time specific location of this vehicle on vehicular map；
D42：Polar coordinate system is established using vehicular map, the pole of the polar coordinate system is the described real-time specific location of vehicle,
Polar axis is this vehicle direction of advance, with the pole of the polar coordinate system is the fan-shaped center of circle in the polar coordinate system, is with+π/9 and-π/9
Two radius sides of the sector obtain a sector field C with the radius that distance d is the sector；
D43：Obtain apart from 200 meters of this vehicle it is all in the same direction or real time position of the opposed vehicles on vehicular map, in vehicle
If carrying and occurring other vehicles on map in the C of the sector field, high beam is switched to dipped headlight and recycled by this vehicle executes this step
Rapid D43.
More preferably, when the vehicle gets wireless signal, the corresponding control operation of headlight for vehicle light lamp is made, including
Following steps：
D51：This vehicle is detected whether in high beam state is opened, if so, otherwise executing D52 continues to execute step D51；
D52：Wireless signal of the wireless signal acquisition device interval real-time detection in 1 second within the scope of 50 meters of this vehicle；
D53：If the wireless signal acquisition device is detected with wireless signal, i.e., go out within the scope of 50 meters of this vehicle existing
People, then this vehicle high beam is switched to dipped headlight and enters step D52 and is recycled.
More preferably, when the extraneous intensity of illumination for acquiring this vehicle in real time is less than 50lx, the correspondence of headlight for vehicle light lamp is made
Control operation, includes the following steps：
D61：Detect whether this vehicle is in light closed state, if so, otherwise executing D62 continues to execute step D61；
D62：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires four different positions on this vehicle vehicle body for 1 second in real time
The intensity of illumination set；
D63：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m
Less than 50lx, then this vehicle opens dipped headlight and side-marker lamp.
More preferably, when the extraneous intensity of illumination for acquiring this vehicle in real time is less than 3lx, the corresponding control of headlight for vehicle light lamp is made
System operation, includes the following steps：
D71：This vehicle is detected whether in light closed state or unlatching dipped headlight state, if so, D72 is executed, otherwise, after
It is continuous to execute step D71；
D72：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires four different positions on this vehicle vehicle body for 1 second in real time
The intensity of illumination set；
D73：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m
Less than 3lx, detect whether this vehicle is in light closed state, if so, this vehicle opens high beam and side-marker lamp, otherwise, this vehicle
Dipped headlight is switched to high beam.
More preferably, when the extraneous intensity of illumination for acquiring this vehicle in real time is more than 200lx, the correspondence of headlight for vehicle light lamp is made
Control operation, includes the following steps：
D81：This vehicle is detected whether in unlatching dipped headlight state or unlatching high beam state, if so, D82 is executed, otherwise,
Continue to execute step D81；
D82：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires four different positions on this vehicle vehicle body for 1 second in real time
The intensity of illumination set；
D83：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m
More than 200lx, whether this vehicle is detected in dipped headlight state is opened, if so, this vehicle closes dipped headlight, otherwise, this vehicle is closed
High beam.
More preferably, four not when parking, on vehicle-mounted four of this vehicle current this vehicle vehicle bodies of illuminance transmitters acquisition
Mean value m with four intensities of illumination of intensity of illumination and calculating of position is opened if mean value m is less than 3lx or dipped headlight is kept to open
State is opened, closes this vehicle dipped headlight between countdown after two minutes.
Beneficial effects of the present invention：Judgement and operation to remote/switching and open and close between dipped headlight and side-marker lamp are more
Add in time, safety higher, wherein encountering before key node this vehicle into the reasonable switching of driving lamp, to make this car light
Light is matched with local environment in advance, and driver operation is avoided to slip up；When carrying out meeting for Ben Che and other vehicles, realization is being seen
When light that is weaker or not seeing opponent vehicle completely, Pre-handoff to dipped headlight carries out meeting, to effectively avoid in meeting
The various harm or accident that the high beam of vehicle causes；Combining target domain variability can then be kept away using triggering reaction as control model
The continuous real-time range for repeatedly calculating this vehicle and other each key nodes or neighbouring vehicle in real time of hand-free, greatly reduces controller
Calculated load, so that entire control system load is reduced, while more vehicle items detections can be undertaken, be not easy to crash, react
Faster, safety higher avoids accident from occurring to speed to ensure the stability of system operation；It realizes under changeable environment
When driving, the intelligent comprehensive of the car light of vehicle is controlled, the convenience and validity of vehicle operating are improved, reduced because violating the regulations indiscriminate
Personal safety accident caused by with car light, improves traffic safety.
Description of the drawings
Fig. 1 is the mounting structure schematic diagram of the vehicle-mounted function sensor of this vehicle of one embodiment of the invention；
Wherein：Illuminance transmitter 1, humiture transducer 2, wireless signal acquisition device 3.
Specific implementation mode
Carry out more preferably technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of intelligent control method of the headlight for vehicle light lamp based on car networking, including it is car networking car-mounted terminal, vehicle-mounted fixed
Position system, function sensor and vehicle；The car networking car-mounted terminal is obtained for being communicated by wireless network and control centre
Take the traffic information of condition of road surface, vehicle density, including distribution position of the in the same direction/opposed vehicle on vehicular map near this vehicle
It sets；The vehicle positioning system for obtaining more specific location information of this vehicle on vehicular map, and is found on vehicular map
Nearest key node in front of this opposite truck position；
The function sensor includes illuminance transmitter, humiture transducer and wireless signal acquisition device；The illumination
Spend transmitter, the intensity of illumination for acquiring this vehicle external world in real time；The humiture transducer, acquires outside this vehicle in real time for adopting
The temperature and relative humidity on boundary；The wireless signal acquisition device is used for detection wireless signal；
Including following content：
(1) specific location of key node is found on vehicular map, the key node includes the entrance in tunnel, crossing
Or any one in the real-time specific location of this vehicle draws mesh using the key node as the center of circle, and using suitable distance as radius
Mark field；
(2) when this vehicle touches the boundary of the target domain, the corresponding control operation of headlight for vehicle light lamp is made；
(3) when occurring other vehicles in the target domain, the corresponding control operation of headlight for vehicle light lamp is made；
(4) acquire in real time this vehicle extraneous intensity of illumination, temperature and relative humidity or wireless signal and with corresponding threshold value into
Row compares, and makes the corresponding control operation of headlight for vehicle light lamp.
A kind of headlight for vehicle light lamp intelligent control method based on car networking proposed by the present invention, mainly passes through car networking
Car-mounted terminal, vehicle positioning system and function sensor, the respectively geographical location between each vehicle, the light opening state of this vehicle
State state, the information extraction for travelling external environment and each key node, and by way of delimiting target area, with the target area
Domain is to judge benchmark, accurately and effectively makes the corresponding control operation of headlight for vehicle light lamp；Keep the judgement more quickly and accurate,
Manipulation is easy, to realize in changeable environment down train, controls the intelligent comprehensive of the car light of vehicle, improves vehicle behaviour
The convenience and validity of work reduce personal safety accident caused by due to abuse car light violating the regulations, improve traffic safety.
Compared to existing car light control mode, the present invention is accurate much sooner to the judgement operation of remote/dipped headlight switching, peace
Full property higher, specific feature are as follows：(1) this vehicle is encountered into the reasonable switching of driving lamp before key node, to make this
Car light is matched with local environment in advance, and driver operation is avoided to slip up；(2) real when carrying out meeting for Ben Che and other vehicles
When seeing light that is weaker or not seeing opponent vehicle completely now, Pre-handoff to dipped headlight carries out meeting, to effectively
Avoid the various harm or accident that the high beam in meeting causes；(3) combining target domain variability is using triggering reaction as control
Pattern then can avoid continuing the real-time range for repeatedly calculating this vehicle and other each key nodes or neighbouring vehicle in real time, significantly
The calculated load for reducing controller makes entire control system load reduce, while can undertake more vehicle items detections, no
It easily crashes, faster, safety higher avoids accident from occurring to reaction speed to ensure the stability of system operation.
More preferably, it when the key node is tunnel, obtains target domain and makes the corresponding control of headlight for vehicle light lamp
System operation, includes the following steps：
D11：This vehicle is detected whether in closing light status or open high beam state, if so, step D12 is executed, it is no
Then, step D11 is continued to execute；
D12：Current location of this vehicle on vehicular map is obtained, and opposite this vehicle current location is found in vehicular map
The nearest tunnel in front converses the distance d1 on the vehicular map corresponding to 15 meters according to vehicular map engineer's scale；
D13：Using the entrance in the nearest tunnel in the front as the center of circle on vehicular map, distance d1 is that radius work circle obtains one
A field A；
D14：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle for the first time touch
When the boundary of the field A, whether this vehicle is detected in closing light status, if so, this vehicle opens dipped headlight and side-marker lamp,
Otherwise, high beam is switched to dipped headlight by this vehicle；
D15：Specific location of this vehicle on vehicular map is obtained in real time, is touched for the second time in vehicular map this vehicle of being taken in
When the boundary of the field A, the opposite next nearest tunnel in front in this vehicle current location is found on vehicular map, is entered
Step D13 is recycled.
The above method, can not only before this vehicle enters tunnel, by geographical location to this vehicle and tunnel portal it
Between distance judgement, with realize accurately control car light intelligent control；Use distance d1 for radius, using tunnel portal as the center of circle
Work is justified, obtain target domain, by the traveling real time position of acquired target domain and Ben Che come to this vehicle Vehicle lighting into
It controls to row trigger-type, without repeatedly distance calculates between Ben Che and tunnel portal in real time, it is achieved that vehicle
Enter tunnel before it is more convenient to the control of car light, simple and accurate.
More preferably, the temperature and relative humidity for acquiring this vehicle external world in real time are compared with corresponding threshold value, and make vehicle
The corresponding control operation of long-and-short distant light, includes the following steps：
D21：By demarcating fine day to different temperatures and relative humidity, the cloudy day, the rainy day, the greasy weather, snowing and sand and dust, wherein fine
It is 0, the cloudy day, the rainy day, the greasy weather, snow and sand and dust be 1；The data demarcated composition training set is trained SVM, it should
SVM input variables are temperature and relative humidity, and it is 0 or 1 to export, and kernel function is gaussian kernel function, and training algorithm is calculated using SMO
Method obtains the SVM that training is completed；
D22：Detect whether this vehicle is in light closed state, if so, otherwise executing step D23 continues to execute step
D22；
D23：This vehicle acquired the temperature in this vehicle external world and relatively wet in real time at interval of 1 second by the humiture transducer
Degree, and it is input to the SVM for having trained and having completed；
D24：Train the SVM completed that will export 0 or 1, if output 1, this vehicle opens dipped headlight and side-marker lamp.
More preferably, it when the key node is crossing, obtains target domain and makes the corresponding control of headlight for vehicle light lamp
System operation, includes the following steps：
D31：This vehicle is detected whether in high beam state is opened, if so, otherwise executing step D32 continues to execute step
D31；
D32：Current location of this vehicle on vehicular map is obtained, and opposite this vehicle current location is found in vehicular map
The nearest crossing in front converses the distance d on the vehicular map corresponding to 150 meters according to vehicular map engineer's scale；
D33：Using the nearest crossing in the front as the center of circle on vehicular map, distance d is that radius work circle obtains a field
B；
D34：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle for the first time touch
When the boundary of the field B, then high beam is switched to dipped headlight by this vehicle；
D35：Specific location of this vehicle on vehicular map is obtained in real time, is touched for the second time in vehicular map this vehicle of being taken in
When the boundary of the field B, the opposite next nearest crossing in front in this vehicle current location is found on vehicular map, is entered
Step D33 is recycled.
In order to avoid vehicle is when traveling is to crossing, the driving peace of other vehicles is influenced because failing closing high beam in time
Entirely, by the way that using crossing as the center of circle, distance d is that radius work is justified, and obtains target domain, and using this vehicle contact target field boundary as base
Standard carries out intelligent control to this car light, to which more accurately control vehicle makes the specification of long-and-short distant light when by crossing
With travel safety higher.
More preferably, it when the key node is the real-time specific location of this vehicle, obtains target domain and to make vehicle remote
The corresponding control operation of dipped headlight, includes the following steps：
D41：Obtain real-time specific location of this vehicle on vehicular map；
D42：Polar coordinate system is established using vehicular map, the pole of the polar coordinate system is the described real-time specific location of vehicle,
Polar axis is this vehicle direction of advance, with the pole of the polar coordinate system is the fan-shaped center of circle in the polar coordinate system, is with+π/9 and-π/9
Two radius sides of the sector obtain a sector field C with the radius that distance d is the sector；
D43：Obtain apart from 200 meters of this vehicle it is all in the same direction or real time position of the opposed vehicles on vehicular map, in vehicle
If carrying and occurring other vehicles on map in the C of the sector field, high beam is switched to dipped headlight and recycled by this vehicle executes this step
Rapid D43.
In the prior art, generally use directly measures the distance of two vehicles to obtain the geographical location of this vehicle and neighbouring vehicle
Relationship, but this measurement method will calculate two vehicle distances of neighbouring vehicle and this workshop in real time, and the CPU of control system, which is calculated, to be born
Lotus is larger, will largely effect on the stability and reliability of entire control system；Therefore the present invention establishes pole using vehicular map and sits
The pole of mark system, the polar coordinate system is the described real-time specific location of vehicle, and polar axis is this vehicle direction of advance, in the polar coordinate system
It is the fan-shaped center of circle with the pole of the polar coordinate system, is two radius sides of the sector with+π/9 and-π/9, with distance d for the sector
Radius, obtain a fan-shaped field, it is only necessary to detect whether, there are other vehicles, to be not necessarily to complicated in the sector field
Calculated with frequent, detection is more comprehensive, reaction speed faster, travel safety higher.
More preferably, when the vehicle gets wireless signal, the corresponding control operation of headlight for vehicle light lamp is made, including
Following steps：
D51：This vehicle is detected whether in high beam state is opened, if so, otherwise executing D52 continues to execute step D51；
D52：Wireless signal of the wireless signal acquisition device interval real-time detection in 1 second within the scope of 50 meters of this vehicle；
D53：If the wireless signal acquisition device is detected with wireless signal, i.e., go out within the scope of 50 meters of this vehicle existing
People, then this vehicle high beam is switched to dipped headlight and enters step D52 and is recycled.
The wherein described wireless signal is generally mobile phone signal, real-time detection in the distance of 50 meters of the front that this vehicle travels whether
There are pedestrians, and high beam is switched to dipped headlight, effective guarantee pedestrains safety and traffic safety in time.
More preferably, when the extraneous intensity of illumination for acquiring this vehicle in real time is less than 50lx, the correspondence of headlight for vehicle light lamp is made
Control operation, includes the following steps：
D61：Detect whether this vehicle is in light closed state, if so, otherwise executing D62 continues to execute step D61；
D62：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires four different positions on this vehicle vehicle body for 1 second in real time
The intensity of illumination set；
D63：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m
Less than 50lx, then this vehicle opens dipped headlight and side-marker lamp.
More preferably, when the extraneous intensity of illumination for acquiring this vehicle in real time is less than 3lx, the corresponding control of headlight for vehicle light lamp is made
System operation, includes the following steps：
D71：This vehicle is detected whether in light closed state or unlatching dipped headlight state, if so, D72 is executed, otherwise, after
It is continuous to execute step D71；
D72：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires four different positions on this vehicle vehicle body for 1 second in real time
The intensity of illumination set；
D73：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m
Less than 3lx, detect whether this vehicle is in light closed state, if so, this vehicle opens high beam and side-marker lamp, otherwise, this vehicle
Dipped headlight is switched to high beam.
More preferably, when the extraneous intensity of illumination for acquiring this vehicle in real time is more than 200lx, the correspondence of headlight for vehicle light lamp is made
Control operation, includes the following steps：
D81：This vehicle is detected whether in unlatching dipped headlight state or unlatching high beam state, if so, D82 is executed, otherwise,
Continue to execute step D81；
D82：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires four different positions on this vehicle vehicle body for 1 second in real time
The intensity of illumination set；
D83：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m
More than 200lx, whether this vehicle is detected in dipped headlight state is opened, if so, this vehicle closes dipped headlight, otherwise, this vehicle is closed
High beam.
More preferably, four not when parking, on vehicle-mounted four of this vehicle current this vehicle vehicle bodies of illuminance transmitters acquisition
Mean value m with four intensities of illumination of intensity of illumination and calculating of position is opened if mean value m is less than 3lx or dipped headlight is kept to open
State is opened, closes this vehicle dipped headlight between countdown after two minutes.
A kind of judgement operation modules of the intelligent control method of the headlight for vehicle light lamp based on car networking of embodiment 1- include
S10~S90, as shown in Figure 1,
S10：When parking, if light is opened and surveyed ambient light is less than 50lx according to strength mean value, kept after this vehicle is flame-out
Dipped headlight extinguishes after being delayed 2 minutes；
S20：This vehicle starts, when not opening car light, if surveyed ambient light is less than 50lx, automatic trigger dipped beam according to strength mean value
Lamp and side-marker lamp；
S30：When this vehicle does not open car light, into before tunnel, automatic trigger dipped headlight and side-marker lamp；
S40：When this vehicle does not open car light, the severe external environment of heavy rain/dense fog/snowy day/sand and dust, automatic trigger dipped beam are met
Lamp and side-marker lamp；
S50：When this vehicle dipped headlight is opened, if surveyed ambient light is less than 3lx according to strength mean value, automatic trigger dipped headlight is cut
It is changed to high beam；
S60：When this vehicle high beam is opened, if at 150 meters of vehicle distances crossing, automatic trigger high beam is switched to dipped beam
Lamp；
S70：When this vehicle high beam is opened, if in the same direction/150 meters of opposed vehicle in front of vehicle distances, automatic trigger
High beam is switched to dipped headlight；
S80：When this vehicle high beam is opened, if at 50 meters of vehicle distances pedestrian, automatic trigger high beam is switched to dipped beam
Lamp；
S90：When this car light is opened, if surveyed ambient light is more than 200lx according to strength mean value, this car light is closed.
Embodiment 2- obtains target domain and makes the corresponding control of headlight for vehicle light lamp when the key node is tunnel
The method for making operation, includes the following steps：
S31：Specific location of this vehicle on vehicular map is obtained according to vehicle positioning system, and phase is found in vehicular map
To tunnel nearest in front of the vehicle location；
S32：The distance d1 on the vehicular map corresponding to 15 meters is conversed according to vehicular map engineer's scale；
S33：Using the entrance in nearest tunnel in front of this truck position as the center of circle on vehicular map, distance d1 is that radius work is justified
Obtain a field A；
S34：When vehicle positioning system obtains the boundary that specific location of the vehicle on vehicular map touches field A
When, whether this vehicle is detected in closing light status, if so, this vehicle opens dipped headlight and side-marker lamp, otherwise, this vehicle is by distance light
Lamp is switched to dipped headlight；
S35：Field A is touched for the second time when vehicle positioning system obtains specific location of the vehicle on vehicular map
Boundary when, continue to find the nearest tunnel in next front of the opposite vehicle location on vehicular map, and recycle above-mentioned
Step S33~S35.
Embodiment 3- obtains target domain and makes the corresponding control of headlight for vehicle light lamp when the key node is crossing
The method for making operation, includes the following steps：
S61：Specific location of this vehicle on vehicular map is obtained according to vehicle positioning system, and is found on vehicular map
Nearest crossing in front of this opposite truck position；
S62：The distance d on vehicular map to be converted corresponding to 150 meters according to vehicular map engineer's scale；
S63：Using crossing nearest in front of this truck position as the center of circle on vehicular map, distance d is that radius work circle obtains one
A field B；
S64：When vehicle positioning system obtains the boundary that specific location of this vehicle on vehicular map touches field C,
Then this vehicle of automatic trigger high beam is switched to dipped headlight；
S65：When vehicle positioning system obtains the side that specific location of this vehicle on vehicular map is contacted again field B
The nearest crossing in next front of this opposite truck position is found on vehicular map, and recycles above-mentioned steps S63~S65 in boundary.
Embodiment 4- obtains target domain and to make vehicle remote when the key node is the real-time specific location of this vehicle
The method of the corresponding control operation of dipped headlight, includes the following steps：
S71：Specific location of this vehicle on vehicular map is obtained according to vehicle positioning system, and is established on vehicular map
Polar coordinate system, the polar coordinates pole are the real-time specific location of this vehicle, and polar axis is this vehicle direction of advance；
S72：With the polar coordinates pole it is the fan-shaped center of circle in the polar coordinate system, is fan-shaped two and half with+π/9 and-π/9
Diameter side is fan-shaped radius with distance d, obtains a sector field C；
S73：According to the traffic information that car networking car-mounted terminal provides, neighbouring in the same direction/opposed vehicle is obtained vehicle-mounted
Specific location on figure；
S74：If occurring other vehicles in the C of the sector field on vehicular map, the switching of automatic trigger this vehicle high beam
For dipped headlight.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of intelligent control method of the headlight for vehicle light lamp based on car networking, it is characterised in that：Including car networking vehicle-mounted end
End, vehicle positioning system, function sensor and vehicle；The car networking car-mounted terminal, for by wireless network and control
The heart communicates, and obtains the traffic information of condition of road surface, vehicle density, including in the same direction/opposed vehicle near this vehicle in vehicular map
On distributing position；The vehicle positioning system, for obtaining more specific location information of this vehicle on vehicular map, and vehicle-mounted
Key node nearest in front of this opposite truck position is found on map；
The function sensor includes illuminance transmitter, humiture transducer and wireless signal acquisition device；The illuminance becomes
Device is sent, the intensity of illumination for acquiring this vehicle external world in real time；The humiture transducer acquires this vehicle external world in real time for adopting
Temperature and relative humidity；The wireless signal acquisition device is used for detection wireless signal；
Including following content：
(1) specific location of key node is found on vehicular map, the key node includes entrance, crossing or the sheet in tunnel
Any one in the real-time specific location of vehicle using the key node as the center of circle, and requires distance as radius, draws mesh using driving
Mark field；
(2) when this vehicle touches the boundary of the target domain, the corresponding control operation of headlight for vehicle light lamp is made；
(3) when occurring other vehicles in the target domain, the corresponding control operation of headlight for vehicle light lamp is made；
(4) the extraneous intensity of illumination, temperature and relative humidity of this vehicle are acquired in real time or wireless signal and are compared with corresponding threshold value
Compared with the corresponding control for making headlight for vehicle light lamp operates.
2. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When the key node is tunnel, obtains target domain and make the corresponding control operation of headlight for vehicle light lamp, including such as
Lower step：
D11：This vehicle is detected whether in closing light status or unlatching high beam state, if so, step D12 is executed, otherwise, after
It is continuous to execute step D11；
D12：Current location of this vehicle on vehicular map is obtained, and the front of opposite this vehicle current location is found in vehicular map
Nearest tunnel converses the distance d1 on the vehicular map corresponding to 15 meters according to vehicular map engineer's scale；
D13：Using the entrance in the nearest tunnel in the front as the center of circle on vehicular map, distance d1 is that radius work circle obtains a neck
Domain A；
D14：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle touch for the first time it is described
When the boundary of field A, this vehicle is detected whether in light status is closed, if so, this vehicle unlatching dipped headlight and side-marker lamp, no
Then, high beam is switched to dipped headlight by this vehicle；
D15：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle touch for the second time it is described
When the boundary of field A, the opposite next nearest tunnel in front in this vehicle current location is found on vehicular map, is entered step
D13 is recycled.
3. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：The temperature and relative humidity for acquiring this vehicle external world in real time are compared with corresponding threshold value, and make pair of headlight for vehicle light lamp
Operation should be controlled, is included the following steps：
D21：By demarcating fine day to different temperatures and relative humidity, the cloudy day, the rainy day, the greasy weather, snowing and sand and dust, wherein fine day are
0, the cloudy day, the rainy day, the greasy weather, snow and sand and dust be 1；The data demarcated composition training set is trained SVM, the SVM is defeated
It is temperature and relative humidity to enter variable, and it is 0 or 1 to export, and kernel function is gaussian kernel function, and training algorithm uses SMO algorithms, obtains
The SVM that training is completed；
D22：Detect whether this vehicle is in light closed state, if so, otherwise executing step D23 continues to execute step D22；
D23：This vehicle acquired the temperature and relative humidity in this vehicle external world at interval of 1 second in real time by the humiture transducer, and
It is input to the SVM for having trained and having completed；
D24：Train the SVM completed that will export 0 or 1, if output 1, this vehicle opens dipped headlight and side-marker lamp.
4. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When the key node is crossing, obtains target domain and make the corresponding control operation of headlight for vehicle light lamp, including such as
Lower step：
D31：This vehicle is detected whether in high beam state is opened, if so, otherwise executing step D32 continues to execute step D31；
D32：Current location of this vehicle on vehicular map is obtained, and the front of opposite this vehicle current location is found in vehicular map
Nearest crossing converses the distance d on the vehicular map corresponding to 150 meters according to vehicular map engineer's scale；
D33：Using the nearest crossing in the front as the center of circle on vehicular map, distance d is that radius work circle obtains a field B；
D34：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle touch for the first time it is described
When the boundary of field B, then high beam is switched to dipped headlight by this vehicle；
D35：Obtain specific location of this vehicle on vehicular map in real time, vehicular map be taken in this vehicle touch for the second time it is described
When the boundary of field B, the opposite next nearest crossing in front in this vehicle current location is found on vehicular map, is entered step
D33 is recycled.
5. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When the key node is the real-time specific location of this vehicle, obtains target domain and make the correspondence of headlight for vehicle light lamp
Control operation, includes the following steps：
D41：Obtain real-time specific location of this vehicle on vehicular map；
D42：Polar coordinate system is established using vehicular map, the pole of the polar coordinate system is the described real-time specific location of vehicle, polar axis
With the pole of the polar coordinate system it is the fan-shaped center of circle in the polar coordinate system, with+π/9 and-π/9 for the fan for this vehicle direction of advance
Two radius sides of shape, the distance d on the vehicular map corresponding to 150 meters are conversed according to vehicular map engineer's scale, with distance d
For the radius of the sector, a sector field C is obtained；
D43：Obtain apart from 200 meters of this vehicle it is all in the same direction or real time position of the opposed vehicles on vehicular map, vehicle-mounted
If occurring other vehicles on figure in the C of the sector field, high beam is switched to dipped headlight and recycled by this vehicle executes this step
D43。
6. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When the vehicle gets wireless signal, the corresponding control operation of headlight for vehicle light lamp is made, is included the following steps：
D51：This vehicle is detected whether in high beam state is opened, if so, otherwise executing D52 continues to execute step D51；
D52：Wireless signal of the wireless signal acquisition device interval real-time detection in 1 second within the scope of 50 meters of this vehicle；
D53：If the wireless signal acquisition device is detected with wireless signal, i.e., there is pedestrian within the scope of 50 meters of this vehicle, then
High beam is switched to dipped headlight and enters step D52 and recycled by this vehicle.
7. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When the extraneous intensity of illumination for acquiring this vehicle in real time is less than 50lx, the corresponding control operation of headlight for vehicle light lamp is made, including
Following steps：
D61：Detect whether this vehicle is in light closed state, if so, otherwise executing D62 continues to execute step D61；
D62：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires on this vehicle vehicle body four different locations for 1 second in real time
Intensity of illumination；
D63：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m is less than
50lx, then this vehicle open dipped headlight and side-marker lamp.
8. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When the extraneous intensity of illumination for acquiring this vehicle in real time is less than 3lx, the corresponding control operation of headlight for vehicle light lamp is made, including
Following steps：
D71：This vehicle is detected whether in light closed state or unlatching dipped headlight state, otherwise continues to hold if so, executing D72
Row step D71；
D72：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires on this vehicle vehicle body four different locations for 1 second in real time
Intensity of illumination；
D73：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m is less than
3lx, detects whether this vehicle is in light closed state, if so, this vehicle opens high beam and side-marker lamp, otherwise, this vehicle is nearly
Light lamp is switched to high beam.
9. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When the extraneous intensity of illumination for acquiring this vehicle in real time is more than 200lx, the corresponding control operation of headlight for vehicle light lamp, packet are made
Include following steps：
D81：This vehicle is detected whether in opening dipped headlight state or opening high beam state, if so, executing D82, otherwise, is continued
Execute step D81；
D82：Vehicle-mounted four illuminance transmitters interval of this vehicle acquires on this vehicle vehicle body four different locations for 1 second in real time
Intensity of illumination；
D83：Calculate the vehicle-mounted four illuminance transmitters collected four intensities of illumination mean value m, if mean value m is more than
Whether 200lx detects this vehicle in dipped headlight state is opened, if so, this vehicle closes dipped headlight, otherwise, this vehicle closes distance light
Lamp.
10. a kind of intelligent control method of headlight for vehicle light lamp based on car networking according to claim 1, feature exist
In：When parking, the illumination of four different locations on vehicle-mounted four current this vehicle vehicle bodies of illuminance transmitter acquisition of this vehicle
Intensity and the mean value m for calculating four intensities of illumination open or keep dipped headlight open state if mean value m is less than 3lx, count
This vehicle dipped headlight is closed after two minutes time.
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| CN108422926A (en) * | 2018-03-31 | 2018-08-21 | 成都精灵云科技有限公司 | A kind of safety assisting system based on car networking |
| CN108394339A (en) * | 2018-03-31 | 2018-08-14 | 成都精灵云科技有限公司 | A kind of intelligent travelling crane system based on car networking |
| CN108928292B (en) * | 2018-06-27 | 2020-06-05 | 郑州轻工业学院 | Automatic switching and networking system for automobile high beam and low beam with real-time adjustment of illumination angle |
| CN110126713A (en) * | 2019-05-15 | 2019-08-16 | 大茂伟瑞柯车灯有限公司 | A method of car bulb is controlled based on wireless telecommunications |
| CN110239423B (en) * | 2019-05-28 | 2021-04-23 | 浙江吉利控股集团有限公司 | Vehicle high beam light closing method and control equipment based on intelligent network connection |
| CN112109627A (en) * | 2019-06-20 | 2020-12-22 | 奥迪股份公司 | Vehicle lamp control method, device, equipment and storage medium |
| CN110316045B (en) * | 2019-07-15 | 2022-11-15 | 王亮 | Safe driving reminding equipment, intelligent driving system and method |
| CN110774974B (en) * | 2019-09-27 | 2023-01-24 | 沈阳美行科技股份有限公司 | Vehicle headlamp control method and device and related equipment |
| CN112622747B (en) * | 2020-12-28 | 2022-07-15 | 芜湖雄狮汽车科技有限公司 | Vehicle, control method of headlamp thereof, storage medium and electronic device |
| EP4286221A1 (en) * | 2022-06-02 | 2023-12-06 | Volkswagen Ag | Method for generating the light function of a direction indicator in a motor vehicle and motor vehicle for carrying out the method |
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| US8493446B2 (en) * | 2009-04-17 | 2013-07-23 | International Business Machines Corporation | Intelligent headlight control using camera sensors |
| CN102592442A (en) * | 2012-03-06 | 2012-07-18 | 奇瑞汽车股份有限公司 | Glare control system based on Internet of vehicles and control method of glare control system |
| CN106891801A (en) * | 2015-12-21 | 2017-06-27 | 北京奇虎科技有限公司 | Nearly distance light automatic switching method, device and automobile |
| CN205951813U (en) * | 2016-07-20 | 2017-02-15 | 深圳市创荣发电子有限公司 | Car light lighting device and car networking systems thereof |
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