CN114125695A - Method, device and equipment for warning of vehicle driving on slope road and storage medium - Google Patents
Method, device and equipment for warning of vehicle driving on slope road and storage medium Download PDFInfo
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- CN114125695A CN114125695A CN202010898923.9A CN202010898923A CN114125695A CN 114125695 A CN114125695 A CN 114125695A CN 202010898923 A CN202010898923 A CN 202010898923A CN 114125695 A CN114125695 A CN 114125695A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/056—Detecting movement of traffic to be counted or controlled with provision for distinguishing direction of travel
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
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Abstract
The embodiment of the disclosure relates to a method, a device, equipment and a storage medium for warning the vehicle running on a slope. The method comprises the following steps: the method comprises the steps of obtaining positioning data of a vehicle on an uphill road section and positioning data of a target vehicle, obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle, and controlling the vehicle to carry out safety warning under the condition that the relative position data meet set conditions. By the method, the vehicle driver can know the position condition of the target vehicle in advance, and the driving safety of the vehicle on the uphill road is effectively improved.
Description
Technical Field
The present disclosure relates to the field of vehicle technologies, and more particularly, to a method and an apparatus for warning a vehicle driving on a slope, a device and a computer-readable storage medium for warning a vehicle driving on a slope.
Background
With the rapid development of society, the quantity of vehicles kept is increasing day by day, and traveling by taking vehicles becomes an important daily traveling mode for people, such as traveling by taking public transport means, traveling by taking automatic driving vehicles, and the like.
At present, in the process of taking a bus and moving a trip, the driver often encounters an uphill road, and because the uphill road is inclined upwards, the driving sight of the driver can only be inclined upwards, so that the driver can only observe the situation from the top of the uphill road to the outside of the vehicle, but cannot observe the situation on the road adjacent to the top of the uphill road, and if an oncoming vehicle is driven on the road adjacent to the top of the uphill road at the moment, a vehicle traffic accident is easily caused.
Therefore, in order to effectively improve the safety of driving on a slope, it is necessary to provide a method for warning driving on a slope.
Disclosure of Invention
An object of the disclosed embodiments is to provide a new technical solution for vehicle driving warning on a sloping road.
According to a first aspect of the present disclosure, there is provided a method of warning of a vehicle driving on a sloping road, the method comprising:
acquiring positioning data of the vehicle on an uphill road section and positioning data of a target vehicle, wherein the target vehicle is another vehicle capable of establishing communication connection with the vehicle;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle;
and controlling the vehicle to carry out safety warning under the condition that the relative position data meets set conditions.
Optionally, the positioning data of the vehicle on the uphill road segment includes: at least one of a longitude and latitude, an altitude of the vehicle, a straight-line distance of the vehicle with respect to a top of the uphill road section, and a driving direction of the vehicle; the positioning data of the target vehicle includes: at least one of a longitude and latitude, an altitude of the target vehicle, a linear distance of the target vehicle relative to the top of the hill, and a driving direction of the target vehicle.
Optionally, the positioning data of the vehicle on the uphill road section comprises longitude and latitude of the vehicle, and the positioning data of the target vehicle comprises longitude and latitude of the target vehicle;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle, including:
obtaining a horizontal distance between the vehicle and the target vehicle according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle, wherein the relative position data comprises the horizontal distance; the relative position data satisfying the setting condition includes: the horizontal distance is less than a first set threshold.
Optionally, the positioning data of the vehicle on the uphill road section includes longitude and latitude and altitude of the vehicle, and the positioning data of the target vehicle includes longitude and latitude and altitude of the target vehicle;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle, including:
obtaining the horizontal distance between the vehicle and the target vehicle according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle;
obtaining a linear distance between the vehicle and the target vehicle from a horizontal distance between the vehicle and the target vehicle, an altitude of the vehicle, and an altitude of the target vehicle, wherein the relative position data includes the linear distance; the relative position data satisfying the setting condition includes: the straight-line distance is smaller than a second set threshold value.
Optionally, the positioning data of the vehicle on the uphill road section comprises a linear distance of the vehicle relative to a top of the uphill road section, and the positioning data of the target vehicle comprises a linear distance of the target vehicle relative to the top of the uphill road section;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle, including:
obtaining an actual driving distance between the vehicle and the target vehicle according to a linear distance between the vehicle and a top of the uphill road section and a linear distance between the target vehicle and the top of the uphill road section, wherein the relative position data comprises the actual driving distance; the relative position data satisfying the setting condition includes: the actual travel distance is less than a third set threshold.
Optionally, the relative position data includes an adjacent road segment indicating whether the target vehicle is located on the uphill road segment, wherein the adjacent road segment is a road segment which is jointed with a top of the uphill road segment;
the relative position data satisfies a set condition, including:
the relative position data indicates that the target vehicle is located on an adjacent road segment of the uphill road segment.
Optionally, the positioning data of the vehicle on the uphill road section includes a traveling direction of the vehicle, the positioning data of the target vehicle includes a traveling direction of the target vehicle, and the relative position data includes data indicating whether the vehicle and the target vehicle are traveling in opposite directions;
the relative position data satisfies a set condition, including:
the relative position data indicates that the vehicle is traveling in an opposite direction to the target vehicle.
Optionally, the method further comprises:
acquiring image data of the uphill road section;
and displaying the uphill road section, a first position of the vehicle relative to the uphill road section and a second position of the target vehicle relative to the uphill road section on a display device of the vehicle according to the image data, the positioning data of the vehicle on the uphill road section and the positioning data of the target vehicle.
Optionally, the positioning data of the vehicle on the uphill road segment comprises a linear distance of the vehicle from a top of the uphill road segment, and the method further comprises:
acquiring the curvature of the uphill road section and the vertical distance of the vehicle relative to the top of the uphill road section;
searching a standard driving speed corresponding to the curvature of the slope road, the linear distance and the vertical distance of the vehicle relative to the top of the uphill road section in a preset driving speed mapping table;
and controlling the current running speed of the vehicle according to the standard running speed.
According to a second aspect of the present disclosure, there is provided a slope driving warning device of a vehicle, comprising:
the acquisition module is used for acquiring positioning data of the vehicle on an uphill road section and positioning data of a target vehicle, wherein the target vehicle is another vehicle capable of establishing communication connection with the vehicle;
the obtaining module is used for obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle;
and the control module is used for controlling the vehicle to carry out safety warning under the condition that the relative position data meets the set conditions.
According to a third aspect of the present disclosure, there is provided an embodiment of a slope driving warning apparatus for a vehicle, comprising the slope driving warning device for a vehicle according to the third aspect of the present specification, or comprising:
a memory for storing executable commands;
a processor for executing the method of warning of a downhill slope of a vehicle according to the first aspect of the present description under the control of the executable command.
According to a fourth aspect of the present disclosure, there is also provided an embodiment of a computer-readable storage medium storing executable instructions that, when executed by a processor, perform the method of warning of downhill driving of a vehicle according to the first aspect of the present description.
One advantage of the disclosed embodiment is that the present embodiment controls the vehicle to perform safety warning by determining relative position data between the vehicle and the target vehicle and controlling the vehicle when the relative position data meets a set condition. The method can enable the vehicle driver to know the position condition of the target vehicle in advance, and effectively improves the safety of the vehicle driving on the uphill road.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1a is a schematic view of an application scenario of a method for warning a vehicle driving on a sloping road according to an embodiment of the present disclosure;
fig. 1b is a block diagram of a hardware configuration of a slope driving warning device of a vehicle according to an embodiment of the present disclosure;
fig. 2 is a flowchart of a method for warning a vehicle driving on a slope according to an embodiment of the disclosure;
fig. 3 is a schematic structural diagram of a slope driving warning device of a vehicle according to an embodiment of the disclosure;
fig. 4 is a schematic structural diagram of a slope driving warning device of a vehicle according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1a is a schematic view of an application scenario of a method for warning a vehicle driving on a sloping road provided by an embodiment of the disclosure.
In the application scenario, after a communication connection is established between a vehicle driving on an uphill road section and a target vehicle, the target vehicle shown in fig. 1a also acquires positioning data of the vehicle and transmits the positioning data of the vehicle to the vehicle shown in fig. 1a through the communication connection, the vehicle shown in fig. 1a receives the positioning data transmitted by the target vehicle and also acquires the positioning data of the vehicle, after the vehicle shown in fig. 1a acquires the positioning data of the vehicle and the positioning data of the target vehicle, relative position data between the vehicle and the target vehicle is acquired according to the positioning data of the vehicle and the positioning data of the target vehicle, whether the relative position data meets a set condition is judged, and the vehicle shown in fig. 1a is controlled to perform safety warning under the condition that the relative position data meets the set condition.
In the application scenario, the method for warning the vehicle running on the slope can enable a driver of the vehicle to know the position condition of the target vehicle in advance, and effectively improve the safety of the vehicle running on the slope.
< hardware configuration >
Fig. 1b is a block diagram of a hardware configuration of a slope driving warning device of a vehicle according to an embodiment of the present disclosure.
The slope driving warning apparatus 1000 of the vehicle may be a virtual machine or a physical machine. The sloping road driving warning apparatus 1000 of the vehicle may include a processor 1100, a memory 1200, an interface device 1300, a communication device 1400, a display device 1500, an input device 1600, a speaker 1700, a microphone 1800, and the like. The processor 1100 may be a central processing unit CPU, a microprocessor MCU, or the like. The memory 1200 includes, for example, a ROM (read only memory), a RAM (random access memory), a nonvolatile memory such as a hard disk, and the like. The interface device 1300 includes, for example, a USB interface, a headphone interface, and the like. Communication device 1400 is capable of wired or wireless communication, for example. The display device 1500 is, for example, a liquid crystal display panel, a touch panel, or the like. The input device 1600 may include, for example, a touch screen, a keyboard, and the like. A user can input/output voice information through the speaker 1700 and the microphone 1800.
As applied to this embodiment, the memory 1200 is used to store a computer program that controls the processor 1100 to operate to perform a data processing method according to any embodiment of the present invention. The computer program instructions may be designed by the skilled person in accordance with the disclosed solution. How the computer program controls the operation of the processor 1100 is well known in the art and will not be described in detail herein.
Although a plurality of devices are shown in fig. 1b for each of the slope driving warning apparatuses 1000 of the vehicle, the present invention may only relate to some of the devices, for example, the slope driving warning apparatus 1000 of the vehicle only relates to the memory 1200 and the processor 1100.
In addition, the slope driving warning device 1000 of the vehicle may be installed inside the vehicle shown in fig. 1a, or may be installed outside the vehicle, the slope driving warning device 1000 of the vehicle outside the vehicle may obtain the positioning data of the vehicle shown in fig. 1a on the uphill road section and the positioning data of the target vehicle shown in fig. 1a through a mobile network or bluetooth, obtain the relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle shown in fig. 1a and the positioning data of the target vehicle shown in fig. 1a, and control the vehicle shown in fig. 1a to perform safety warning when the relative position data satisfies a set condition.
In the above description, the skilled person will be able to design instructions in accordance with the disclosed solution. How the instructions control the operation of the processor is well known in the art and will not be described in detail herein.
< method examples >
The embodiment of the disclosure provides a method for warning a vehicle running on a slope, as shown in fig. 2, the method comprises the following steps:
s201: and acquiring positioning data of the vehicle on the uphill road section and positioning data of the target vehicle.
Since the present invention is intended to warn a vehicle traveling on an uphill road section by determining the relative position between the vehicle traveling on an uphill road section and a target vehicle to avoid a traffic accident occurring between the vehicle traveling on an uphill road section and the target vehicle, in the embodiment of the present disclosure, it is necessary to acquire positioning data of the vehicle on an uphill road section and positioning data of the target vehicle in order to determine the relative position between the vehicle traveling on an uphill road section and the target vehicle.
It should be noted that, the vehicle is a vehicle running on an uphill road section, and the invention warns the vehicle running on a slope; the target vehicle refers to another vehicle capable of establishing communication connection with the vehicle, and the target vehicle may be located on the same uphill road section as the vehicle or an adjacent road section of the uphill road section, wherein the adjacent road section is a road section connected with a slope top of the uphill road section.
It should be further noted that the vehicle may establish a communication connection with the target vehicle through the V2V communication technology, and the triggering condition for establishing the communication connection between the vehicle and the target vehicle may be: whether a communication connection is established between the vehicle and the target vehicle is triggered according to the straight-line distance between the vehicle and the target vehicle, namely, if the straight-line distance between the vehicle and the target vehicle is smaller than a set value, the communication connection is established between the vehicle and the target vehicle is triggered, and if the straight-line distance between the vehicle and the target vehicle is not smaller than the set value, the communication connection is not established between the vehicle and the target vehicle.
In addition, in an embodiment of the present disclosure, the positioning data of the vehicle on the uphill road segment includes: at least one of a longitude and latitude of the vehicle, an altitude, a straight-line distance of the vehicle with respect to a top of the uphill road section, and a driving direction of the vehicle. The positioning data of the target vehicle includes: at least one of a longitude and latitude, an altitude of the target vehicle, a linear distance of the target vehicle relative to the top of the hill, and a driving direction of the target vehicle.
S202: and obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle.
S203: and controlling the vehicle to carry out safety warning under the condition that the relative position data meets set conditions.
Based on the positioning data type of the vehicle on the uphill road segment and the positioning data type of the target vehicle involved in step S201, the disclosed embodiment provides five specific embodiments for obtaining the relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle.
Since the driver of the vehicle running on the uphill road section can only observe the situation from the top of the uphill road to the outside of the vehicle, but cannot observe the situation on the road adjacent to the top of the uphill road, if a target vehicle runs on the road adjacent to the top of the uphill road at the moment, a vehicle traffic accident is easily caused, that is, the vehicle running on the uphill road section and the target vehicle are more dangerous as being closer to the top of the uphill road section, therefore, the vehicle running on the uphill road section and the target vehicle can be warned before approaching the top of the uphill road section, and the traffic accident between the vehicle running on the uphill road section and the target vehicle can be avoided.
Based on this, it is possible to determine whether or not the vehicle traveling on the uphill road and the target vehicle are close to the top of the slope from relative position data that reflects the degree of proximity of both the vehicle traveling on the uphill road and the target vehicle to the top of the slope.
The first implementation manner is that based on the fact that the positioning data of the vehicle on the uphill road section comprises the longitude and latitude of the vehicle, and the positioning data of the target vehicle comprises the longitude and latitude of the target vehicle, the relative position data between the vehicle and the target vehicle is obtained according to the positioning data of the vehicle and the positioning data of the target vehicle, in particular, the horizontal distance between the vehicle and the target vehicle is obtained according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle, wherein the relative position data comprises the horizontal distance.
Here, the horizontal distance between the vehicle and the target vehicle may reflect a degree of proximity of both the vehicle traveling on an uphill road and the target vehicle to a top of a slope, and the horizontal distance between the vehicle and the target vehicle may be smaller as both the vehicle and the target vehicle approach the top of the slope, whereas the horizontal distance between the vehicle and the target vehicle may be larger as both the vehicle and the target vehicle move away from the top of the slope.
It should be further noted that, according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle, the horizontal distance between the vehicle and the target vehicle is obtained, and specifically, the longitude and latitude of the vehicle may be converted into a corresponding coordinate position (X) in a planar coordinate systemVehicle with a steering wheel，YVehicle with a steering wheel) Converting the latitude and longitude of the target vehicle into corresponding coordinate position (X) in a plane coordinate systemTarget，YTarget) Calculating the coordinate position X of the vehicleVehicle with a steering wheelCoordinate position X with the target vehicleTargetSquare of the difference, the coordinate position Y of the vehicleVehicle with a steering wheelCoordinate position Y with the target vehicleTargetAnd squaring the difference, and summing the two squares to obtain a numerical value, namely the horizontal distance between the vehicle and the target vehicle.
Further, after the relative position data including the horizontal distance is obtained through the first implementation manner, the embodiment of the present disclosure may determine whether the relative position data satisfies the setting condition, control the vehicle to perform safety warning when the horizontal distance is smaller than the first setting threshold, and do not control the vehicle to perform safety warning when the horizontal distance is not smaller than the first setting threshold.
The second implementation manner is that based on the fact that the positioning data of the vehicle on the uphill road section comprises the longitude and latitude and the altitude of the vehicle, the positioning data of the target vehicle comprises the longitude and latitude and the altitude of the target vehicle, relative position data between the vehicle and the target vehicle is obtained according to the positioning data of the vehicle and the positioning data of the target vehicle, specifically, a horizontal distance between the vehicle and the target vehicle is obtained according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle, and a straight-line distance between the vehicle and the target vehicle is obtained according to the horizontal distance between the vehicle and the target vehicle, the altitude of the vehicle and the altitude of the target vehicle, wherein the relative position data comprises the straight-line distance.
Here, the straight-line distance between the vehicle and the target vehicle may reflect a degree of proximity of both the vehicle traveling on an uphill road and the target vehicle to a top of a slope, and the straight-line distance between the vehicle and the target vehicle may be smaller as both the vehicle and the target vehicle approach the top of the slope, whereas the straight-line distance between the vehicle and the target vehicle may be larger as both the vehicle and the target vehicle move away from the top of the slope.
It should be further noted that, the linear distance between the vehicle and the target vehicle is obtained according to the horizontal distance between the vehicle and the target vehicle, the altitude of the vehicle, and the altitude of the target vehicle, and specifically, the square of the difference between the altitude of the vehicle and the altitude of the target vehicle, the square of the horizontal distance, and the root is summed up by the square of the altitude difference and the square of the horizontal distance, so that the obtained value is the linear distance between the vehicle and the target vehicle.
Further, after the relative position data including the linear distance is obtained through the second implementation manner, the embodiment of the present disclosure may determine whether the relative position data satisfies the setting condition, control the vehicle to perform safety warning when the linear distance is smaller than the second setting threshold, and do not control the vehicle to perform safety warning when the linear distance is not smaller than the second setting threshold.
In a third embodiment, based on that the positioning data of the vehicle on the uphill road section includes a linear distance of the vehicle relative to a top of the uphill road section, and the positioning data of the target vehicle includes a linear distance of the target vehicle relative to the top of the uphill road section, the relative position data between the vehicle and the target vehicle is obtained according to the positioning data of the vehicle and the positioning data of the target vehicle, specifically, the actual driving distance between the vehicle and the target vehicle is obtained according to the linear distance of the vehicle relative to the top of the uphill road section and the linear distance of the target vehicle relative to the top of the uphill road section, wherein the relative position data includes the actual driving distance.
Here, the actual travel distance between the vehicle and the target vehicle may reflect a degree of proximity of both the vehicle traveling on an uphill road and the target vehicle to a top of a slope, and the actual travel distance between the vehicle and the target vehicle may be smaller as both the vehicle and the target vehicle approach the top of the slope, whereas the actual travel distance between the vehicle and the target vehicle may be larger as both the vehicle and the target vehicle move away from the top of the slope.
It should be noted that, the actual driving distance between the vehicle and the target vehicle is obtained according to the linear distance between the vehicle and the top of the uphill road segment and the linear distance between the target vehicle and the top of the uphill road segment, and specifically, the sum of the linear distance between the vehicle and the top of the uphill road segment and the linear distance between the target vehicle and the top of the uphill road segment may be calculated, and the obtained value is the actual driving distance between the vehicle and the target vehicle.
Further, in the embodiment of the present disclosure, after the relative position data including the actual travel distance is obtained through the third implementation manner, it may be determined whether the relative position data satisfies the set condition, and when the actual travel distance is smaller than a third set threshold, the vehicle is controlled to perform safety warning, and when the actual travel distance is not smaller than the third set threshold, the vehicle is not controlled to perform safety warning.
A fourth embodiment is that based on the fact that the positioning data of the vehicle on the uphill road section comprises the longitude and latitude of the vehicle and the positioning data of the target vehicle comprises the longitude and latitude of the target vehicle, the relative position data between the vehicle and the target vehicle is obtained according to the positioning data of the vehicle and the positioning data of the target vehicle, in particular, according to the fact that the positioning data of the vehicle on the uphill road section comprises the longitude and latitude of the vehicle and the positioning data of the target vehicle comprises the longitude and latitude of the target vehicle, the relative position data between the vehicle and the target vehicle is determined to comprise an adjacent road section which indicates whether the target vehicle is located on the uphill road section.
Further, in the embodiment of the present disclosure, after the relative position data including the adjacent road section indicating whether the target vehicle is located on the ascending road section is obtained through the fourth implementation manner, it may be determined whether the relative position data satisfies a set condition, and when the relative position data indicates that the target vehicle is located on the adjacent road section of the ascending road section, the vehicle is controlled to perform safety warning, and when the relative position data indicates that the target vehicle is not located on the adjacent road section of the ascending road section, the vehicle is not controlled to perform safety warning.
A fifth embodiment is that based on that the positioning data of the vehicle on the uphill road section includes the traveling direction of the vehicle and that the positioning data of the target vehicle includes the traveling direction of the target vehicle, relative position data between the vehicle and the target vehicle is obtained from the positioning data of the vehicle and the positioning data of the target vehicle, and specifically, based on that the positioning data of the vehicle on the uphill road section includes the traveling direction of the vehicle and that the positioning data of the target vehicle includes the traveling direction of the target vehicle, it is determined that the relative position data between the vehicle and the target vehicle includes data indicating whether the vehicle and the target vehicle are traveling in an opposite direction.
Further, after the relative position data including the data indicating whether the vehicle and the target vehicle are traveling in opposite directions is obtained in the fifth embodiment, it may be determined whether the relative position data satisfies a set condition, and if the relative position data indicates that the vehicle and the target vehicle are traveling in opposite directions, the vehicle may be controlled to perform safety warning, and if the relative position data indicates that the vehicle and the target vehicle are traveling in the same direction, the vehicle may not be controlled to perform safety warning.
It is emphasized that the above five embodiments can be used alone or in combination, and the more the combined embodiments are, the more accurately it can be determined whether the vehicle on the uphill road section and the target vehicle are closer to the top of the slope, so that the more accurately the vehicle can be controlled to perform the safety warning.
By the method, the relative position data between the vehicle and the target vehicle is determined, and the vehicle is controlled to carry out safety warning under the condition that the relative position data meets the set conditions. The method can enable the vehicle driver to know the position condition of the target vehicle in advance, and effectively improves the safety of the vehicle driving on the uphill road.
In the embodiment of the present disclosure, the safety warning includes a visual safety warning, that is, a warning picture is displayed through a real device, and further includes an auditory warning, that is, a warning voice is played through a speaker.
Further, while the vehicle driver is warned by the above method, in order to visually indicate the relative position between the vehicle and the target vehicle to the vehicle driver, in the embodiment of the present disclosure, the relative position between the vehicle and the target vehicle may be displayed on a display device of the vehicle, specifically, image data of the uphill road segment may be acquired, and the uphill road segment, the first position of the vehicle relative to the uphill road segment, and the second position of the target vehicle relative to the uphill road segment may be displayed on the display device of the vehicle according to the image data, the positioning data of the vehicle on the uphill road segment, and the positioning data of the target vehicle.
It should be noted that the first position of the vehicle relative to the uphill road section refers to the first position of the vehicle on the uphill road section; the second position of the target vehicle relative to the uphill road segment refers to the second position of the target vehicle on the uphill road segment or the second position of the target vehicle on an adjacent road segment of the uphill road segment.
In addition, the display device of the vehicle may be a windshield display device, a windshield projection device, a wearable device, or the like.
Further, while the vehicle driver is warned by the above method, in order to further improve the driving safety between the vehicle driving on the uphill road segment and the target vehicle, in the embodiment of the present disclosure, the curvature of the uphill road segment, the vertical distance of the vehicle with respect to the top of the uphill road segment, and the linear distance of the vehicle with respect to the top of the uphill road segment may be obtained, a standard driving speed corresponding to the curvature of the uphill road, the linear distance and the vertical distance of the vehicle with respect to the top of the uphill road segment may be searched in a preset driving speed mapping table, and the current driving speed of the vehicle may be controlled according to the standard driving speed.
It should be noted that, if the vehicle traveling on the uphill road is currently automatically driven, the powertrain and the brake may be automatically controlled to control the current traveling speed of the vehicle to the standard traveling speed according to the standard traveling speed. If the vehicle traveling on an uphill road section is currently being driven manually, a visual or audible prompt may be given to the driver, e.g. to please immediately decelerate to 30 km/h.
In addition, the travel speed map is created in advance from historical data, relating to the values of three parameters, i.e., the curvature of the slope road, the straight-line distance and the vertical distance of the vehicle with respect to the top of the uphill road section, which together determine the standard travel speed of the vehicle.
< apparatus embodiment >
As shown in fig. 3, the embodiment of the present disclosure further provides a device 30 for warning a vehicle driving on a slope, where the device 30 includes: an acquisition module 301, an acquisition module 302, a control module 303 and a display module 304;
an obtaining module 301, configured to obtain location data of the vehicle on an uphill road segment and location data of a target vehicle, where the target vehicle is another vehicle capable of establishing a communication connection with the vehicle;
an obtaining module 302, configured to obtain relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle;
and the control module 303 is configured to control the vehicle to perform safety warning when the relative position data meets a set condition.
In one embodiment, the positioning data of the vehicle on the uphill road segment comprises: at least one of a longitude and latitude, an altitude of the vehicle, a straight-line distance of the vehicle with respect to a top of the uphill road section, and a driving direction of the vehicle; the positioning data of the target vehicle includes: at least one of a longitude and latitude, an altitude of the target vehicle, a linear distance of the target vehicle relative to the top of the hill, and a driving direction of the target vehicle.
In one embodiment, the positioning data of the vehicle on the uphill road segment comprises the longitude and latitude of the vehicle, and the positioning data of the target vehicle comprises the longitude and latitude of the target vehicle; the obtaining module 302 is specifically configured to obtain a horizontal distance between the vehicle and the target vehicle according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle, where the relative position data includes the horizontal distance; the relative position data satisfying the setting condition includes: the horizontal distance is less than a first set threshold.
In one embodiment, the positioning data of the vehicle on the uphill road section comprises longitude and latitude and altitude of the vehicle, and the positioning data of the target vehicle comprises the longitude and latitude and altitude of the target vehicle; the obtaining module 302 is specifically configured to obtain a horizontal distance between the vehicle and the target vehicle according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle; obtaining a linear distance between the vehicle and the target vehicle from a horizontal distance between the vehicle and the target vehicle, an altitude of the vehicle, and an altitude of the target vehicle, wherein the relative position data includes the linear distance; the relative position data satisfying the setting condition includes: the straight-line distance is smaller than a second set threshold value.
In one embodiment, the positioning data of the vehicle on the uphill road segment comprises a linear distance of the vehicle relative to a top of the uphill road segment, and the positioning data of the target vehicle comprises a linear distance of the target vehicle relative to the top of the uphill road segment; the obtaining module 302 is specifically configured to obtain an actual driving distance between the vehicle and the target vehicle according to a linear distance between the vehicle and a top of the uphill road segment and a linear distance between the target vehicle and the top of the uphill road segment, where the relative position data includes the actual driving distance; the relative position data satisfying the setting condition includes: the actual travel distance is less than a third set threshold.
In one embodiment, the relative position data includes an adjacent road segment indicating whether the target vehicle is located on the uphill road segment, wherein the adjacent road segment is a road segment that meets a top of a slope of the uphill road segment; the relative position data satisfies a set condition, including: the relative position data indicates that the target vehicle is located on an adjacent road segment of the uphill road segment.
In one embodiment, the positioning data of the vehicle on the uphill road section includes a traveling direction of the vehicle, the positioning data of the target vehicle includes a traveling direction of the target vehicle, and the relative position data includes data indicating whether the vehicle and the target vehicle are traveling in opposite directions; the relative position data satisfies a set condition, including: the relative position data indicates that the vehicle is traveling in an opposite direction to the target vehicle.
In one embodiment, the apparatus further comprises:
a display module 304, configured to obtain image data of the uphill road segment; and displaying the uphill road section, a first position of the vehicle relative to the uphill road section and a second position of the target vehicle relative to the uphill road section on a display device of the vehicle according to the image data, the positioning data of the vehicle on the uphill road section and the positioning data of the target vehicle.
In one embodiment, the positioning data of the vehicle on the uphill road segment includes a linear distance of the vehicle relative to a top of the uphill road segment, and the control module 303 is further configured to obtain a curvature of the uphill road segment and a vertical distance of the vehicle relative to the top of the uphill road segment; searching a standard driving speed corresponding to the curvature of the slope road, the linear distance and the vertical distance of the vehicle relative to the top of the uphill road section in a preset driving speed mapping table; and controlling the current running speed of the vehicle according to the standard running speed.
< apparatus embodiment >
In the embodiment of the present disclosure, there is also provided a slope driving warning device 40 of a vehicle as shown in fig. 4, where the slope driving warning device 40 of the vehicle includes the slope driving warning device 30 of the vehicle described in the device embodiment of the present specification.
In further embodiments, the vehicle's hill-hold device 40 may also include a memory and a processor. The memory is for storing a computer program. The processor is adapted to perform the method described in any of the method embodiments of the present specification under control of a computer program stored in the memory.
The slope driving warning device of the vehicle can be a terminal device. The slope driving warning device of the vehicle can also be a server in communication connection with the terminal device. The slope driving warning device of the vehicle may further include a terminal device and a server connected to the terminal device, which is not limited herein.
< computer-readable storage Medium embodiment >
The present embodiments provide a computer-readable storage medium having stored therein an executable command that, when executed by a processor, performs a method described in any of the method embodiments of the present specification.
The present invention may be a system, method and/or computer program product. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied therewith for causing a processor to implement various aspects of the present invention.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present invention may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions 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). In some embodiments, aspects of the present invention are implemented by personalizing an electronic circuit, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA), with state information of computer-readable program instructions, which can execute the computer-readable program instructions.
Aspects of the present invention are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. It is well known to those skilled in the art that implementation by hardware, implementation by software, and implementation by a combination of software and hardware are equivalent.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the invention is defined by the appended claims.
Claims (12)
1. A method for warning a vehicle running on a slope road comprises the following steps:
acquiring positioning data of the vehicle on an uphill road section and positioning data of a target vehicle, wherein the target vehicle is another vehicle capable of establishing communication connection with the vehicle;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle;
and controlling the vehicle to carry out safety warning under the condition that the relative position data meets set conditions.
2. The method of claim 1, wherein the positioning data for the vehicle on the uphill road segment comprises: at least one of a longitude and latitude, an altitude of the vehicle, a straight-line distance of the vehicle with respect to a top of the uphill road section, and a driving direction of the vehicle; the positioning data of the target vehicle includes: at least one of a longitude and latitude, an altitude of the target vehicle, a linear distance of the target vehicle relative to the top of the hill, and a driving direction of the target vehicle.
3. The method of claim 1, wherein the positioning data of the vehicle on the uphill road segment comprises a longitude and latitude of the vehicle, and the positioning data of the target vehicle comprises the longitude and latitude of the target vehicle;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle, including:
obtaining a horizontal distance between the vehicle and the target vehicle according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle, wherein the relative position data comprises the horizontal distance; the relative position data satisfying the setting condition includes: the horizontal distance is less than a first set threshold.
4. The method of claim 1, wherein the positioning data of the vehicle on the uphill road segment comprises a latitude and longitude of the vehicle, an altitude, and the positioning data of the target vehicle comprises a latitude and longitude of the target vehicle, an altitude;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle, including:
obtaining the horizontal distance between the vehicle and the target vehicle according to the longitude and latitude of the vehicle and the longitude and latitude of the target vehicle;
obtaining a linear distance between the vehicle and the target vehicle from a horizontal distance between the vehicle and the target vehicle, an altitude of the vehicle, and an altitude of the target vehicle, wherein the relative position data includes the linear distance; the relative position data satisfying the setting condition includes: the straight-line distance is smaller than a second set threshold value.
5. The method of claim 1, wherein the positioning data for the vehicle on the uphill road segment comprises a linear distance of the vehicle from a top of the uphill road segment, and the positioning data for the target vehicle comprises a linear distance of the target vehicle from the top of the hill;
obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle, including:
obtaining an actual driving distance between the vehicle and the target vehicle according to a linear distance between the vehicle and a top of the uphill road section and a linear distance between the target vehicle and the top of the uphill road section, wherein the relative position data comprises the actual driving distance; the relative position data satisfying the setting condition includes: the actual travel distance is less than a third set threshold.
6. The method of claim 1, wherein the relative position data includes an adjacent road segment indicating whether the target vehicle is located on the uphill road segment, wherein the adjacent road segment is a road segment that meets a top of a hill of the uphill road segment;
the relative position data satisfies a set condition, including:
the relative position data indicates that the target vehicle is located on an adjacent road segment of the uphill road segment.
7. The method according to claim 1, wherein the positioning data of the vehicle on the uphill road segment includes a traveling direction of the vehicle, the positioning data of the target vehicle includes a traveling direction of the target vehicle, and the relative position data includes data indicating whether the vehicle and the target vehicle are traveling in opposite directions;
the relative position data satisfies a set condition, including:
the relative position data indicates that the vehicle is traveling in an opposite direction to the target vehicle.
8. The method of claim 1, further comprising:
acquiring image data of the uphill road section;
and displaying the uphill road section, a first position of the vehicle relative to the uphill road section and a second position of the target vehicle relative to the uphill road section on a display device of the vehicle according to the image data, the positioning data of the vehicle on the uphill road section and the positioning data of the target vehicle.
9. The method of claim 1, wherein the positioning data for the vehicle on the uphill road segment includes a linear distance of the vehicle from a top of the uphill road segment, the method further comprising:
acquiring the curvature of the uphill road section and the vertical distance of the vehicle relative to the top of the uphill road section;
searching a standard driving speed corresponding to the curvature of the slope road, the linear distance and the vertical distance of the vehicle relative to the top of the uphill road section in a preset driving speed mapping table;
and controlling the current running speed of the vehicle according to the standard running speed.
10. A slope driving warning device of a vehicle, comprising:
the acquisition module is used for acquiring positioning data of the vehicle on an uphill road section and positioning data of a target vehicle, wherein the target vehicle is another vehicle capable of establishing communication connection with the vehicle;
the obtaining module is used for obtaining relative position data between the vehicle and the target vehicle according to the positioning data of the vehicle and the positioning data of the target vehicle;
and the control module is used for controlling the vehicle to carry out safety warning under the condition that the relative position data meets the set conditions.
11. A sloping road traffic warning apparatus of a vehicle comprising the sloping road traffic warning device of the vehicle as claimed in claim 10, or the apparatus comprising:
a memory for storing executable commands;
a processor for executing the method of vehicular hill-hold warning according to any one of claims 1-9 under the control of the executable command.
12. A computer readable storage medium storing executable instructions which, when executed by a processor, perform a method of hill-hold vehicle warning of a vehicle as claimed in any one of claims 1 to 9.
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