CN110774974A - Vehicle headlamp control method and device and related equipment - Google Patents
Vehicle headlamp control method and device and related equipment Download PDFInfo
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- CN110774974A CN110774974A CN201910922602.5A CN201910922602A CN110774974A CN 110774974 A CN110774974 A CN 110774974A CN 201910922602 A CN201910922602 A CN 201910922602A CN 110774974 A CN110774974 A CN 110774974A
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- vehicle
- light
- switch lamp
- distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/085—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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- 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
- B60Q1/076—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 by electrical means including means to transmit the movements, e.g. shafts or joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/31—Atmospheric conditions
- B60Q2300/314—Ambient light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/33—Driving situation
- B60Q2300/334—Driving situation on motorways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention provides a vehicle headlamp control method, a vehicle headlamp control device and related equipment, wherein the method comprises the steps of collecting vehicle data, obtaining driving parameters of a vehicle, matching the current position of the vehicle with map data, and determining a road where the current position of the vehicle is located; identifying the position and the type of a switch lamp in the advancing direction of a road where the vehicle is located according to the driving direction of the vehicle; acquiring a first distance between the current position of the vehicle and the position of the switch lamp; and when the acquired first distance meets a preset first distance threshold, controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type. When the environment that the headlights need to be turned on is entered, the turning on of the headlights of the vehicle can be controlled in advance, the running section with dim light is avoided, the running safety is fully guaranteed, and the use experience of a user is enhanced; or when the vehicle leaves the environment where the headlights need to be turned off, the headlights of the vehicle can be controlled to be turned off in time, energy loss is avoided, energy is saved, the environment is protected, and the practicability is high.
Description
Technical Field
The invention relates to the technical field of vehicle control, in particular to a vehicle headlamp control method, a vehicle headlamp control device and related equipment.
Background
Along with the development of the internet of vehicles era, the user has higher and higher requirements on the intelligent driving experience of the vehicle, and functions such as automatic headlights often belong to exclusive functions of high-end vehicle types, and the user cannot enjoy the functions for low-end vehicle types.
At present, a vehicle lamp is one of the most frequently used accessories by a driver during the driving of a vehicle: at night or in a road section with insufficient light, the vehicle lamps are needed to illuminate the road so as to clearly see the condition of the road and remind the vehicles driving oppositely. By way of example, tunnels are already conventional transportation facilities in today's road systems. In a tunnel, light is difficult to irradiate into the tunnel even in daytime, so that the tunnel is often in a condition of insufficient light, and when the tunnel is entered, the lamp needs to be turned on for illumination. However, some drivers forget to turn on the lights when entering the vehicle, and when the drivers violate the traffic rules, the drivers are likely to cause accidents because the drivers cannot see the road conditions clearly or the drivers do not see the coming vehicle.
In the prior art, a vehicle obtains the brightness of ambient light, and then controls the turning on and off of a vehicle signal headlamp through a preset threshold value. Continue to exemplify with the tunnel, when getting into the tunnel, the opening of the light control car light of vehicle through the detection ring border is mostly closed, this function relies on the change of light on every side, just can the perception ambient light change when getting into dark districts such as tunnel or underground garage, and then turn on the light, there is a dim travel district section of light to the driver, there is the risk in driving safety, and, the light of environment receives the influence of environmental factors such as weather easily, also cause to detect inaccurately to lead to the car light to open untimely easily, cause unexpected the emergence. Therefore, a method, a device and related equipment for controlling the vehicle headlight are urgently needed to meet the requirements of people.
Disclosure of Invention
In view of the above, the present invention proposes a vehicle headlamp control method, device and related apparatus that overcome or at least partially solve the above-mentioned problems.
Specifically, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a vehicle headlamp control method, including:
collecting vehicle data, wherein the vehicle data at least comprises a light switching signal of a vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal;
acquiring driving parameters of a vehicle, wherein the driving parameters at least comprise a vehicle driving direction and a vehicle current position;
matching the current position of the vehicle with map data to determine the road where the current position of the vehicle is located;
identifying the position and the type of a switch lamp in the advancing direction of a road where the vehicle is located according to the driving direction of the vehicle;
acquiring a first distance between the current position of the vehicle and the position of the switch lamp;
and when the acquired first distance meets a preset first distance threshold, controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type.
In one embodiment, the matching the current position of the vehicle with the map data to determine the road where the current position of the vehicle is located specifically includes:
acquiring a navigation route of a vehicle;
determining road information included in the navigation route based on map data;
and determining the road where the current position of the vehicle is located according to the matching relation between the current position of the vehicle and the road information.
In one embodiment, after collecting the vehicle data, the method further comprises:
cleaning historical vehicle data in a preset period;
and aggregating the light switching positions corresponding to the light switching signals in the cleaned vehicle data to obtain an aggregation position, wherein the aggregation position is used as the light switching position corresponding to the light switching signals in the aggregation range.
In one embodiment, the cleaning of the historical vehicle data of one preset period specifically includes:
determining an illumination starting time and an illumination ending time according to the sunrise time and the sunset time;
and filtering out the vehicle data in the time period from the illumination starting time to the illumination ending time.
In one embodiment, the aggregating the light-on/off positions corresponding to the light-on/off signals in the cleaned vehicle data to obtain an aggregated position specifically includes:
acquiring the light on/off positions of the cleaned vehicle data, and projecting the light on/off positions into a ground coordinate system to obtain a scatter diagram based on light on/off position distribution;
traversing a second distance between any two light turning-on and light-off positions, and acquiring a target light turning-on and light-off position of which the second distance is less than or equal to a preset second distance threshold;
determining a polygon corresponding to the outline of the scatter diagram according to the target light on-off position;
calculating the gravity center based on a polygon corresponding to the outline of the scatter diagram;
and matching the calculated gravity center with map data to obtain the aggregation position.
In one embodiment, the method further comprises:
determining the position type of a light switching position based on the road attribute and the information point type of the map data;
and carrying out voice prompt according to the position type of the light on/off position and the type of the light on/off.
In one embodiment, when the acquired first distance meets a preset first distance threshold, the turning on and off of the vehicle headlamp is controlled according to the identified switch lamp type, specifically:
when the type of the switch lamp at the switch lamp position is determined to be on;
and when the vehicle does not reach the switch lamp position and the first distance between the current position of the vehicle and the switch lamp position is smaller than or equal to a preset first distance threshold value, controlling the vehicle headlamp to be turned on.
In one embodiment, when the acquired first distance meets a preset first distance threshold, the turning off of the vehicle headlight is controlled according to the identified type of the switch light, specifically:
when the type of the switch lamp at the switch lamp position is determined to be off;
and when the vehicle passes through the position of the switch lamp, and the first distance between the current position of the vehicle and the position of the switch lamp is greater than a preset first distance threshold value, controlling the headlight of the vehicle to be turned off.
In a second aspect, an embodiment of the present invention provides a vehicle headlamp control apparatus, including:
the vehicle data collection module is used for collecting vehicle data, wherein the vehicle data at least comprises a light switching signal of a vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal;
the system comprises a driving parameter acquisition module, a driving parameter acquisition module and a driving parameter acquisition module, wherein the driving parameter acquisition module is used for acquiring driving parameters of a vehicle, and the driving parameters at least comprise a vehicle driving direction and a vehicle current position;
the matching module is used for matching the current position of the vehicle with the map data and determining the road where the current position of the vehicle is located;
the identification module is used for identifying the position and the type of a switch lamp in the advancing direction of the road where the vehicle is located according to the driving direction of the vehicle;
the distance acquisition module is used for acquiring a first distance between the current position of the vehicle and the position of the switch lamp;
the judging module is used for judging whether the first distance meets a preset first distance threshold value;
and the control module is used for controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type when the first distance meets a preset first distance threshold.
In a third aspect, an embodiment of the present invention provides a terminal device, which includes:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the vehicle headlamp control method provided by the embodiment of the invention.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the vehicle headlamp control method provided by the embodiment of the present invention.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
in the embodiment of the invention, vehicle data are collected firstly, wherein the vehicle data at least comprise a light switching signal of the vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal; acquiring driving parameters of the vehicle, wherein the driving parameters at least comprise a vehicle driving direction and a vehicle current position; then matching the current position of the vehicle with the map data to determine the road where the current position of the vehicle is located; identifying the position and the type of a switch lamp in the advancing direction of the road where the vehicle is located according to the driving direction of the vehicle; finally, acquiring a first distance between the current position of the vehicle and the position of the switch lamp; and when the first distance meets a preset first distance threshold, controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type.
As can be seen from the above description, in the embodiment of the present invention, the light turning-on and turning-off position and the light turning-on and turning-off type corresponding to the light turning-on and turning-off signal of the vehicle headlight are determined by collecting the vehicle data, and the light turning-on and turning-off position and the light turning-on and turning-off type in the road traveling direction where the vehicle is located are further identified by combining the driving parameters of the vehicle. When the environment that the headlights need to be turned on is entered, the turning on of the headlights of the vehicle can be controlled in advance, the running section with dim light is avoided, the running safety is fully guaranteed, and the use experience of a user is enhanced; or when the vehicle leaves the environment where the headlights need to be turned off, the headlights of the vehicle can be controlled to be turned off in time, energy loss is avoided, energy is saved, the environment is protected, and the practicability is high.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flowchart of a method for controlling a headlamp of a vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a process of determining a road where a current position of a vehicle is located according to a first embodiment of the present invention;
FIG. 3 is a schematic flow chart illustrating a process for processing vehicle data after collecting the vehicle data according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a process of aggregating cleaned vehicle data according to a first embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a vehicle headlamp control apparatus according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal device according to a third embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
in accordance with an embodiment of the present invention, there is provided an embodiment of a vehicle headlamp control method, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be executed in a computer system, such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be executed in an order different than that illustrated herein.
An embodiment of the present invention provides a vehicle headlamp control method, as shown in fig. 1, which may include the following steps S101 to S107:
s101: collecting vehicle data, wherein the vehicle data at least comprises a light switching signal of a vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal;
in this embodiment, the vehicle data may be obtained by a terminal, such as a server, in real time, and stored in the server, including the light turning-on and turning-off signals of the headlights of the vehicle during the driving process of the vehicle, and the light turning-on and turning-off positions and light turning-on and turning-off types corresponding to the light turning-on and turning-off signals. In detail, the vehicle headlight is the lamp that can see outside the car, two head-lights in automobile body the place ahead promptly, specifically be divided into dipped headlight and far-reaching headlamp, all be the illumination and use, get into the dim district of light such as tunnel or underpass at the vehicle, need the user to open the headlight, provide enough light and throw light on, guarantee user's driving safety, or leave behind the dim district of light such as tunnel or underpass at the vehicle, need in time to close the headlight, on the one hand, save the vehicle energy consumption, on the other hand, then avoid the far-reaching lamp of opening to cause the interference to other users, influence other people driving safety.
Correspondingly, the light on/off signal includes a light on signal and a light off signal, the light on/off position includes a light on position and a light off position, and the light on/off type includes a headlight on and a headlight off. Specifically, the server collects a large amount of vehicle headlamp signal data in real time, cleans the collected vehicle data according to a preset period, aggregates the cleaned vehicle data, and obtains an aggregation position within a preset aggregation range, namely, the position of a switch lamp is determined within a certain range (an inlet or an outlet of a tunnel or an underground passage).
S102: acquiring driving parameters of a vehicle, wherein the driving parameters at least comprise a vehicle driving direction and a vehicle current position;
in this embodiment, the vehicle driving parameters may be obtained through a vehicle-mounted terminal, such as a car machine, pre-installed on the vehicle, or may be obtained through a navigation system arranged on the vehicle, which is not specifically limited in this embodiment, specifically, the vehicle driving parameters include a driving direction of the vehicle in a driving process and a current position of the vehicle, so as to identify the driving direction of the vehicle and the current position of the vehicle in real time.
S103: matching the current position of the vehicle with map data to determine the road where the current position of the vehicle is located;
in this embodiment, each road in the map data is composed of a plurality of road segments, each road segment may include a road segment number, a road segment length, a road segment speed limit, and a GPS sequence point, and the GPS sequence point may be represented by an array, that is, each road segment and each road have unique identification information, and the road segments may be distinguished and searched according to the identification information of the road segments. Specifically, a GPS chip or a Beidou chip assembled on a vehicle receives satellite signals to judge longitude and latitude data of the position of the vehicle, the current position of the vehicle is matched into map data, information such as a road line where the current position of the vehicle is located, the number and the length of a road line segment is obtained according to the longitude and latitude data, and then the road where the current position of the vehicle is located is determined.
S104: identifying the position and the type of a switch lamp in the advancing direction of a road where the vehicle is located according to the driving direction of the vehicle;
in this embodiment, the on/off positions corresponding to the acquired on/off signals are also all matched to map data, which may be acquired through vehicle networking, server data is acquired when the vehicle navigation device is started, and then related on/off light point information is obtained, that is, the on/off light positions and the on/off light types on each road are acquired, the road where the current position of the vehicle is located is acquired by matching the current position of the vehicle to the map data, and then the on/off light positions in the road traveling direction where the current position of the vehicle is located are determined according to the vehicle traveling direction, and the on/off light types where headlights are turned on or turned off are determined, so that the turning on/off of the headlights at the corresponding positions is conveniently controlled.
S105: acquiring a first distance between the current position of the vehicle and the position of the switch lamp;
in this embodiment, the first distance between the current position of the vehicle and the position of the switch light is calculated in real time according to the obtained current position of the vehicle and the position of the switch light, the real-time first distance between the current position of the vehicle and the position of the switch light may be determined by the relative change of the current position of the vehicle and the position of the switch light on a map, or the real-time first distance between the current position of the vehicle and the position of the switch light on the map may be calculated by obtaining the driving speed of the vehicle and combining the driving speed with the length of a road segment.
S106: judging whether the acquired first distance between the current position of the vehicle and the position of the switch lamp meets a preset first distance threshold value, if so, executing a step S107, and if not, executing a step S105;
s107: and controlling the vehicle headlights to be turned on or off according to the recognized switch lamp type.
Specifically, in this embodiment, when the first distance meets a preset first distance threshold, the turning on and off of the vehicle headlamp is controlled according to the identified switch lamp type, specifically:
when the type of the switch lamp at the switch lamp position is determined to be on;
and when the vehicle does not reach the switch lamp position and the first distance between the current position of the vehicle and the switch lamp position is smaller than or equal to a preset first distance threshold value, controlling the vehicle headlamp to be turned on.
Further, on a common road, the first distance threshold is 10 meters for example, when it is determined that the switch lamp type of the switch lamp position is on, it may be identified that the vehicle is about to enter a running section with dim light, before the vehicle reaches the switch lamp position, the headlights of the vehicle need to be turned on to ensure safe driving of the user, and finally, before the vehicle reaches the switch lamp position, the headlights of the vehicle are controlled to be turned on at a distance of 10 meters from the switch lamp position.
Or when the first distance meets a preset first distance threshold, controlling the vehicle headlamp to be turned off according to the identified switch lamp type, specifically:
when the type of the switch lamp at the switch lamp position is determined to be off;
and when the vehicle passes through the position of the switch lamp, and the first distance between the current position of the vehicle and the position of the switch lamp is greater than a preset first distance threshold value, controlling the headlight of the vehicle to be turned off.
Further, when the type of the switch lamp at the switch lamp position is determined to be off, the running section with dim light, which is about to be driven out by the vehicle, can be identified, after the vehicle passes through the switch lamp position, the vehicle headlamp needs to be turned off, so that the energy loss is avoided, and finally, after the vehicle passes through the switch lamp position, the vehicle headlamp is controlled to be turned off at a position 10 meters away from the switch lamp position.
In the embodiment, when the first distance between the current position of the vehicle and the position of the switch lamp meets the preset first distance threshold, the vehicle headlamp can be controlled to be turned on or turned off according to the recognized type of the switch lamp, so that the automatic control of the vehicle headlamp is realized. When the environment that the headlights need to be turned on is entered, the turning on of the headlights of the vehicle can be controlled in advance, the running section with dim light is avoided, the running safety is fully guaranteed, and the use experience of a user is enhanced; or when the vehicle leaves the environment where the headlights need to be turned off, the headlights of the vehicle can be controlled to be turned off in time, energy loss is avoided, energy is saved, the environment is protected, and the practicability is high.
In one embodiment, the matching the current position of the vehicle with the map data to determine the road on which the current position of the vehicle is located, as shown in fig. 2, specifically includes the following steps S201 to S203:
s201: acquiring a navigation route of a vehicle;
s202: determining road information included in the navigation route based on map data;
s203: and determining the road where the current position of the vehicle is located according to the matching relation between the current position of the vehicle and the road information.
In this embodiment, a navigation route of a vehicle is obtained in advance according to a departure place and a destination of the vehicle, road information included in the navigation route is further obtained based on map data, a GPS chip or a beidou chip assembled on the vehicle receives satellite signals to judge longitude and latitude data of a position where the vehicle is located, the current position of the vehicle is matched to a road included in the navigation route, and the road where the current position of the vehicle is located is determined.
Further, in one embodiment, the method further comprises:
determining the position type of a light switching position based on the road attribute and the information point type of the map data;
and carrying out voice prompt according to the position type of the light on/off position and the type of the light on/off.
Specifically, according to the road attribute and the information point type in the prestored map data, the location where the light turning-on and turning-off position is located is determined to be a place such as a tunnel or a parking lot, and then the corresponding position type is judged to be a type such as a tunnel entrance or a parking lot entrance, and the voice prompt information is sent to the user by combining the determined position type and the light turning-on and turning-off type, for example, the determined position type is the tunnel entrance, the prompt information is that "the front is the tunnel entrance, the vehicle headlight is turned on immediately, and the user is required to pay attention to safe driving", so that the automatic turning-on of the vehicle headlight is avoided, and.
In one embodiment, after collecting the vehicle data, as shown in fig. 3, the method further includes the following steps S301 to S302:
s301: and cleaning historical vehicle data for a preset period.
In this embodiment, the preset period may be one day, one week, or one month, and is set according to the user requirement, or determined according to the quantity of collected vehicle data, and theoretically, when the obtained vehicle data is sufficient, the result obtained by processing according to the vehicle data is more accurate, and the method has higher practicability;
furthermore, historical vehicle data in a preset period are cleaned, and the illumination starting time and the illumination ending time can be determined according to the sunrise time and the sunset time; and filtering out the vehicle data in the time period from the illumination starting time to the illumination ending time. Because the headlights of the vehicle are in the on state at all times when the vehicle runs at night, and the collected night vehicle data is invalid data, the night vehicle data is removed through the determined illumination starting time and illumination ending time, and the effectiveness of the collected vehicle data is ensured.
S302: and aggregating the light switching positions corresponding to the light switching signals in the cleaned vehicle data to obtain an aggregation position, wherein the aggregation position is used as the light switching position corresponding to the light switching signals in the aggregation range.
In this embodiment, the light-on positions and the light-off positions are aggregated to obtain the light-on position corresponding to the light-on signal and the light-off position corresponding to the light-off signal within the preset aggregation range, and the aggregation manner may be multiple, and in one embodiment, the light-on and light-off positions corresponding to the light-on and light-off signals in the cleaned vehicle data are aggregated to obtain the aggregation position, as shown in fig. 4, the method specifically includes the following steps S3021 to S3025:
s3021: acquiring the light on/off positions of the cleaned vehicle data, and projecting the light on/off positions into a ground coordinate system to obtain a scatter diagram based on light on/off position distribution;
s3022: traversing a second distance between any two light turning-on and light-off positions, and acquiring a target light turning-on and light-off position of which the second distance is less than or equal to a preset second distance threshold;
s3023: determining a polygon corresponding to the outline of the scatter diagram according to the target light on-off position;
s3024: calculating the gravity center based on a polygon corresponding to the outline of the scatter diagram;
s3025: and matching the calculated gravity center with map data to obtain the aggregation position.
In the present embodiment, an example of aggregation of vehicle data is given for explaining the present invention, and the present invention is not limited thereto, and in actual use, methods capable of realizing data aggregation are all applicable to the aggregation processing of the present invention. Specifically, the light on/off positions in the obtained cleaned effective vehicle data are all projected into a geodetic coordinate system to obtain a scatter diagram based on distribution of each point, any two points are connected to obtain a second distance between any two light on/off positions, the second distance is traversed, the light on/off positions of two end points with the second distance being smaller than a preset second distance threshold are reserved as target light on/off positions, for example, the second distance threshold is 10 meters, the light on/off positions with the second distance being smaller than or equal to 10 meters are reserved, other light on/off positions are eliminated, a polygon corresponding to the outline of the scatter diagram is determined based on the reserved target light on/off positions, then the center of gravity of the polygon is obtained, finally the obtained center of gravity is matched with map data, and a required aggregation position is obtained on the map data, and taking the aggregation position as a light switching position corresponding to a light switching signal in an aggregation range on the map data, so that one light switching position or one light switching position exists in a certain preset aggregation range.
An embodiment of the present invention provides a vehicle headlamp control apparatus, as shown in fig. 5, the apparatus including:
the vehicle data collection module 41 is configured to collect vehicle data, where the vehicle data at least includes a light turning-on and turning-off signal of a vehicle headlight, a light turning-on and turning-off position corresponding to the light turning-on and turning-off signal, and a light turning-on and turning-off type;
a driving parameter obtaining module 42, configured to obtain driving parameters of the vehicle, where the driving parameters at least include a driving direction of the vehicle and a current position of the vehicle;
the matching module 43 is configured to match the current position of the vehicle with the map data, and determine a road where the current position of the vehicle is located;
the identification module 44 is used for identifying the light turning-on and light turning-off positions and the light turning-on and light turning-off types in the traveling direction of the road where the vehicle is located according to the traveling direction of the vehicle;
a first distance obtaining module 45, configured to obtain a first distance between a current position of the vehicle and the light turning-on and turning-off position;
a judging module 46, configured to judge whether the first distance meets a preset first distance threshold;
and the control module 47 is used for controlling the vehicle headlights to be turned on or off according to the identified switch lamp type when the first distance meets a preset first distance threshold.
EXAMPLE III
As shown in fig. 6, a terminal device provided in the third embodiment of the present invention includes: one or more processors 51 and storage 52; the number of the processors 51 in the terminal device may be one or more, and one processor 51 is taken as an example in fig. 6; storage 52 is used to store one or more programs; the one or more programs are executed by the one or more processors 51, so that the one or more processors 51 implement the vehicle headlamp control method according to any one of the embodiments of the present invention.
The terminal device may further include: an input device 53 and an output device 54.
The processor 51, the storage device 52, the input device 53 and the output device 54 in the terminal equipment may be connected by a bus or other means, and the connection by the bus is exemplified in fig. 6.
The storage device 52 in the terminal device is used as a computer-readable storage medium for storing one or more programs, which may be software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the vehicle headlamp control method according to an embodiment of the present invention (for example, the modules in the vehicle headlamp control device shown in fig. 5 include the vehicle data collection module 41, the driving parameter acquisition module 42, the matching module 43, the identification module 44, the distance acquisition module 45, the judgment module 46, and the control module 47). The processor 51 executes various functional applications and data processing of the terminal device by running software programs, instructions and modules stored in the storage device 52, that is, implements the vehicle headlamp control method in the above-described method embodiment.
The storage device 52 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the storage 52 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the storage 52 may further include memory located remotely from the processor 51, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 53 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal device. The output device 54 may include a display device such as a display screen.
And, when the one or more programs included in the above-mentioned terminal device are executed by the one or more processors 51, the programs perform the following operations:
collecting vehicle data, wherein the vehicle data at least comprises a light switching signal of a vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal;
acquiring driving parameters of a vehicle, wherein the driving parameters at least comprise a vehicle driving direction and a vehicle current position;
matching the current position of the vehicle with map data to determine the road where the current position of the vehicle is located;
identifying the position and the type of a switch lamp in the advancing direction of a road where the vehicle is located according to the driving direction of the vehicle;
acquiring a first distance between the current position of the vehicle and the position of the switch lamp;
and when the acquired first distance meets a preset first distance threshold, controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type.
Example four
An embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, is configured to execute a vehicle headlamp control method, where the method includes:
collecting vehicle data, wherein the vehicle data at least comprises a light switching signal of a vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal;
acquiring driving parameters of a vehicle, wherein the driving parameters at least comprise a vehicle driving direction and a vehicle current position;
matching the current position of the vehicle with map data to determine the road where the current position of the vehicle is located;
identifying the position and the type of a switch lamp in the advancing direction of a road where the vehicle is located according to the driving direction of the vehicle;
acquiring a first distance between the current position of the vehicle and the position of the switch lamp;
and when the acquired first distance meets a preset first distance threshold, controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type.
Optionally, the program may be further configured to, when executed by the processor, perform a vehicle headlamp control method according to any embodiment of the present invention.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), a flash Memory, an optical fiber, a portable CD-ROM, an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. A computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take a variety of forms, including, but not limited to: an electromagnetic signal, an optical signal, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, Radio Frequency (RF), etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A vehicle headlamp control method, characterized by comprising:
collecting vehicle data, wherein the vehicle data at least comprises a light switching signal of a vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal;
acquiring driving parameters of a vehicle, wherein the driving parameters at least comprise a vehicle driving direction and a vehicle current position;
matching the current position of the vehicle with map data to determine the road where the current position of the vehicle is located;
identifying the position and the type of a switch lamp in the advancing direction of a road where the vehicle is located according to the driving direction of the vehicle;
acquiring a first distance between the current position of the vehicle and the position of the switch lamp;
and when the first distance meets a preset first distance threshold, controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type.
2. The vehicle headlamp control method according to claim 1, wherein the step of matching the current position of the vehicle with map data to determine the road on which the current position of the vehicle is located comprises:
acquiring a navigation route of a vehicle;
determining road information included in the navigation route based on map data;
and determining the road where the current position of the vehicle is located according to the matching relation between the current position of the vehicle and the road information.
3. The vehicle headlamp control method according to claim 1, further comprising, after collecting the vehicle data:
cleaning historical vehicle data in a preset period;
and aggregating the light switching positions corresponding to the light switching signals in the cleaned vehicle data to obtain an aggregation position, wherein the aggregation position is used as the light switching position corresponding to the light switching signals in the aggregation range.
4. The vehicle headlamp control method according to claim 3, wherein the cleaning of the historical vehicle data for a preset period is specifically:
determining an illumination starting time and an illumination ending time according to the sunrise time and the sunset time;
and filtering out the vehicle data in the time period from the illumination starting time to the illumination ending time.
5. The vehicle headlamp control method according to claim 3, wherein the aggregation of the on/off positions corresponding to the on/off signals in the cleaned vehicle data is performed to obtain an aggregated position, and specifically:
acquiring the light on/off positions of the cleaned vehicle data, and projecting the light on/off positions into a ground coordinate system to obtain a scatter diagram based on light on/off position distribution;
traversing a second distance between any two light turning-on and light-off positions, and acquiring a target light turning-on and light-off position of which the second distance is less than or equal to a preset second distance threshold;
determining a polygon corresponding to the outline of the scatter diagram according to the target light on-off position;
calculating the gravity center based on a polygon corresponding to the outline of the scatter diagram;
and matching the calculated gravity center with map data to obtain the aggregation position.
6. The vehicle headlamp control method according to claim 1, characterized by further comprising:
determining the position type of a light switching position based on the road attribute and the information point type of the map data;
and carrying out voice prompt according to the position type of the light on/off position and the type of the light on/off.
7. The vehicle headlamp control method according to claim 1, wherein when the first distance satisfies a preset first distance threshold, the vehicle headlamp is controlled to be turned on according to the identified switch lamp type, specifically:
when the type of the switch lamp at the switch lamp position is determined to be on;
and when the vehicle does not reach the switch lamp position and the first distance between the current position of the vehicle and the switch lamp position is smaller than or equal to a preset first distance threshold value, controlling the vehicle headlamp to be turned on.
8. The vehicle headlamp control method according to claim 1, wherein when the first distance satisfies a preset first distance threshold, the vehicle headlamp is controlled to be turned off according to the identified switch lamp type, specifically:
when the type of the switch lamp at the switch lamp position is determined to be off;
and when the vehicle passes through the position of the switch lamp, and the first distance between the current position of the vehicle and the position of the switch lamp is greater than a preset first distance threshold value, controlling the headlight of the vehicle to be turned off.
9. A vehicle headlamp control apparatus, characterized in that the apparatus comprises:
the vehicle data collection module is used for collecting vehicle data, wherein the vehicle data at least comprises a light switching signal of a vehicle headlamp, a light switching position and a light switching type corresponding to the light switching signal;
the system comprises a driving parameter acquisition module, a driving parameter acquisition module and a driving parameter acquisition module, wherein the driving parameter acquisition module is used for acquiring driving parameters of a vehicle, and the driving parameters at least comprise a vehicle driving direction and a vehicle current position;
the matching module is used for matching the current position of the vehicle with the map data and determining the road where the current position of the vehicle is located;
the identification module is used for identifying the position and the type of a switch lamp in the advancing direction of the road where the vehicle is located according to the driving direction of the vehicle;
the distance acquisition module is used for acquiring a first distance between the current position of the vehicle and the position of the switch lamp;
the judging module is used for judging whether the first distance meets a preset first distance threshold value;
and the control module is used for controlling the vehicle headlamp to be turned on or off according to the recognized switch lamp type when the first distance meets a preset first distance threshold.
10. A terminal device, characterized in that it comprises:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the vehicle headlamp control method provided by the embodiment of the invention.
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| CN111800920A (en) * | 2020-07-10 | 2020-10-20 | 华人运通(上海)云计算科技有限公司 | Method and device for controlling vehicle lamp |
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