CN118587894B - Method for pre-judging exit and early warning of emergency stop in-band vehicle - Google Patents
Method for pre-judging exit and early warning of emergency stop in-band vehicle Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
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- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
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- 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
- G08G1/0129—Traffic data processing for creating historical data or processing based on historical data
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Abstract
The invention discloses a method for pre-judging the running-out and pre-warning of vehicles in an emergency stop zone, which particularly relates to the technical field of traffic safety and comprises the following steps: s01, a real-time running track of a vehicle and a planned running route are acquired based on a vehicle-mounted navigation system; s02, acquiring all emergency stop zones T1 … … Tn in the route according to the planned driving route; s03, acquiring summarized data in the same planned driving route according to data statistics of the vehicle-mounted navigation system, wherein the summarized data comprise the number of vehicles, the type of vehicles and the average driving speed. The road condition can be dynamically analyzed based on holiday conditions, a plurality of T points of a planned driving route are generated through collected summarized data, and then the vehicle is reminded to drive out in-band vehicles in emergency parking through prediction, so that accidents are reduced.
Description
Technical Field
The invention relates to the technical field of traffic safety, in particular to a method for pre-judging the running-out and pre-warning of an emergency stop in-band vehicle.
Background
The emergency stop belt of the expressway is mainly used for being provided for places where fault vehicles, accident vehicles and other emergency stop occur, and can avoid occupation of the expressway and congestion or continuous traffic accidents. The system is used by domestic holiday traveling habit, when the holiday is in peak time, particularly when congestion occurs, the situation that the automobile enters an emergency stop zone for driving can occur, and after a period of time for avoiding punishment driving, the automobile in the emergency stop zone for driving can be plugged into a high-speed lane. Often, the high incidence of car accidents is due to this situation.
Reference is made to publication (bulletin) No.: CN117409600a, publication (bulletin) day: 2024-01-16, discloses an emergency parking zone occupation early warning method based on key point gesture detection, and relates to the technical field of detection early warning, wherein the method comprises the following steps: acquiring a dynamic video of a target monitoring area through a monitoring camera; constructing a key point gesture detection module, extracting a dynamic video, and determining that the vehicle is driven into a target emergency stop zone according to the key point gesture detection module; acquiring license plate information of a vehicle and generating first early warning information; generating a sign light instruction and an alarm instruction according to the first early warning information; and when the ground induction coil senses that the vehicle drives out of the target emergency stop zone and enters the first lane, the first early warning information is released. According to the method and the device, the technical problems that the emergency parking zone occupies low early warning accuracy and efficiency and high potential safety hazard of the expressway are caused in the prior art can be solved, the aim of improving the emergency parking zone occupies the early warning accuracy and efficiency is fulfilled, and the technical effect of reducing the potential safety hazard of the expressway is achieved.
In the prior art comprising the patent, the current processing method for the emergency parking belt occupation mainly comprises the steps of collecting the cameras as a main part, capturing the occupied emergency parking belt traveling vehicles through the cameras, so as to realize the improvement of the behavior, wherein the cameras for capturing are arranged at intervals, can play a role in controlling only in the area where the cameras exist, and cannot play a role in the area where the cameras are not.
Disclosure of Invention
The invention aims to provide a method for pre-judging the running-out and pre-warning of an emergency stop in-band vehicle, which is used for solving the problems.
In order to achieve the above object, the present invention provides the following technical solutions:
A method for pre-judging the exit and pre-warning of an emergency stop in-band vehicle comprises the following steps:
s01, a real-time running track of a vehicle and a planned running route are acquired based on a vehicle-mounted navigation system;
s02, acquiring all emergency stop zones T1 … … Tn in the route according to the planned driving route;
S03, acquiring summarized data positioned in the same planned driving route according to data statistics of the vehicle-mounted navigation system, wherein the summarized data comprise the number of vehicles, the type of vehicles and the average driving speed;
s04, establishing a plurality of grid models based on T1 … … Tn, and generating a prediction result sequence under the grid models according to the summarized data;
S05, determining a plurality of grid model running tracks of each vehicle under the planned running route under the summarized data to obtain a predicted track point sequence number;
S06, setting early warning reminding according to the fact that the obtained predicted track point serial number is located on the planned driving route.
Preferably, the summary data includes a historical travel track under the planned travel route under the historical data, and historical traffic data of a corresponding period under the historical travel track.
Preferably, the historical traffic flow data of the corresponding period under the historical driving track includes a free time track and a busy time track, the busy time track is a peak trip of the holiday time period, and the free time track is a trip of the non-holiday time period, wherein:
The idle track acquires a running track of T1 … … Tn in the planned running route and a running track of T1 … … Tn in a preset time window so as to determine driving preference and form first reference data according to a historical running track of the planned running route;
And the busy hour track acquires corresponding T points of entering and exiting and the frequency of entering and exiting in T1 … … Tn under the planned driving route, and forms second reference data.
Preferably, in the step S03, a prediction result sequence under the grid model is generated, which at least includes a plurality of historical driving tracks, repeated probability calculation of each point of T1 … … Tn under the plurality of historical driving tracks is calculated, and the linear distance between the track and T is added to the number of times by the linear distance between the track and T, so as to obtain the trigger value;
And fitting a plurality of historical driving tracks based on the obtained similar track c, wherein the driving track c is larger than or equal to a threshold value, the driving preference is used as the driving preference, and the length between the driving in point and the driving out point and between the two points between the adjacent T1 … … Tn is obtained according to the driving preference, wherein the threshold value is 3.
Preferably, in the step S04, the geographical interval between each T based on T1 … … Tn is 500m.
Preferably, the predicted track point number acquired in the step S05 is selected and enabled to be the first reference data and the second reference data as the reference to draw the track point number based on the driving time period, and the driving-in and driving-out time points of the track point number are dynamically simulated based on the average driving speed.
Preferably, the entry and exit time points of the track point serial numbers are dynamically simulated according to the average driving speed, the average speed of the vehicle close to the T lane is obtained, the meeting time of the two is given, and feedback prompt is carried out.
Preferably, in the step S05, the emergency stop zone violation snapshot area under T1 … … Tn is identified, and is set as a sensitive area a 1……an, and is located at the position of the point a under the track point serial number;
the point a comprises a safety area, and when the first reference data is taken as a reference, the safety area is 500m; the second reference data is 800m.
In the technical scheme, the method for pre-judging the in-band vehicle driving-out and early warning of the emergency stop provided by the invention has the following beneficial effects:
based on the vehicle navigation system in the prior art, carrying out data combination to acquire the real-time running track and the planned running route of the current vehicle, and acquiring the vehicle data condition of the current planned running route according to the data combination, so as to judge the road state;
Determining the point location arrangement condition of an emergency stop zone T1 … … Tn along a dynamic planned driving route, generating a dynamic vehicle management model of the current planned driving route based on summarized data, judging whether the current vehicle has frequent driving in the emergency stop zone according to the historical data of the vehicle, searching for driving in Tn and driving out Tn corresponding to T1 … … Tn, and reminding the vehicle in the region of the driving in Tn and driving out Tn;
According to whether the current time period of the vehicle is holidays or not and according to judgment, starting the first reference data and the second reference data as reference to set track point serial numbers, so that sensitivity management is enhanced on the vehicle with driving preference, monitoring is enhanced, and the vehicle is prevented from frequently driving into an emergency stop zone;
A plurality of violation snapshot areas under a planned driving route are identified to determine the number of a existing in T, and early warning prompt is carried out when a driving vehicle time period is in holidays and approaches to a point a starting position.
And setting the planned T-in and out point positions based on the trigger value, setting the T-point region needing to pay attention to the in-and-out frequency through the average driving speed, and giving the meeting time based on the current vehicle driving speed, and displaying.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a flowchart provided in an embodiment of the present invention.
Fig. 2 is a schematic diagram of an implementation structure according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
As shown in the embodiment of fig. 1, a method for pre-judging the exit and pre-warning of an emergency stop in-band vehicle comprises the following steps:
s01, a real-time running track of a vehicle and a planned running route are acquired based on a vehicle-mounted navigation system;
s02, acquiring all emergency stop zones T1 … … Tn in a route according to a planned driving route;
S03, acquiring summarized data in the same planned driving route according to data statistics of a vehicle-mounted navigation system, wherein the summarized data comprise the number of vehicles, the types of the vehicles and the average driving speed;
s04, establishing a plurality of grid models based on T1 … … Tn, and generating a prediction result sequence under the grid models according to summarized data;
S05, determining a plurality of grid model running tracks of each vehicle under the planned running route under the summarized data to obtain a predicted track point sequence number;
s06, setting early warning reminding on the planned driving route according to the acquired predicted track point serial number.
Specifically, road surface information and traffic flow information of a corresponding planned travel route of a vehicle-mounted navigation system (known navigation software such as Goldd, hundred degrees and the like) in the prior art are obtained through a planned travel route determined by a real-time travel track, data of a plurality of known navigation software are combined in data to obtain the real-time travel track and the planned travel route of a current vehicle, and vehicle data conditions of the current planned travel route are obtained according to the data combination, so that a road state is judged.
And then determining the point position arrangement condition of the emergency stop zone T1 … … Tn along the road according to the dynamic planned driving route, generating a dynamic vehicle management model of the current planned driving route based on summarized data, judging whether the current vehicle frequently enters the emergency stop zone according to the historical data of the vehicle, and finding the entering T and the exiting T corresponding to the T1 … … Tn so as to remind the vehicle in the areas of the entering T and the exiting T.
Examples:
In the embodiment provided by the invention, besides considering the current real-time road surface condition, the historical running tracks of all vehicles currently positioned on the planned running route are counted, the historical running tracks of the vehicles on the planned running route are determined in a fitting way according to the historical running tracks, and track points positioned in the emergency stop zone T1 … … Tn are generated based on a plurality of historical running tracks, and the method is specific:
The summary data in the above embodiment includes a historical travel track under the planned travel route under the historical data, and historical traffic flow data corresponding to a period under the historical travel track.
The historical traffic flow data of the corresponding time period under the historical driving track comprises an idle time track and a busy time track, wherein the busy time track is the peak trip of the holiday time period, and the idle time track is the trip of the non-holiday time period, wherein the idle time track is the peak trip of the holiday time period:
The idle time track is used for acquiring a running track of T1 … … Tn under a planned running route and a running track of T1 … … Tn in and out in a preset time window so as to determine driving preference and form first reference data according to the historical running track under the planned running route;
and (3) the busy hour track is used for acquiring corresponding T points of entering and exiting and the frequency of entering and exiting in T1 … … Tn under the planned driving route, so as to form second reference data.
In the embodiment, according to the holiday time period, the historical data is divided into the idle time track and the busy time track, which are used for distinguishing whether the vehicle enters the T in the historical driving track under the non-holiday condition, if the vehicle exists one or more times in the preset time window, such as 3 months, the vehicle is determined to have driving preference, so that all the driving preference under the idle time track is counted, and the important snapshot is performed through the camera to remind the driver.
Under the busy hour track, namely the holiday time period, the vehicle is driven into a corresponding T point, namely T3 is driven in, and is driven out by T5, and high frequency exists, and the processing conditions comprise the following steps:
if a plurality of vehicles exist and high frequency exists in the section, the important T point is considered;
alerting the vehicle to the presence of such behavior;
and reminding the vehicles running on the important T-point road section, and improving and preventing the emergency stop with the vehicles from running in.
In the above technology, the point location arrangement condition of the emergency stop zone T1 … … Tn along the road is determined according to the dynamic planned driving route, and a dynamic vehicle management model of the current planned driving route is generated based on the summarized data, then, according to the history data of the vehicle, whether the current vehicle has frequent driving in the emergency stop zone is judged, and the driving in Tn and the driving out Tn corresponding to T1 … … Tn are found, so that the vehicles in the areas of the driving in Tn and the driving out Tn are reminded.
Examples:
When a plurality of historical driving tracks of all vehicles on a planned driving route are acquired, fitting is required to the plurality of historical driving tracks, so that a predicted track point sequence number is given. In step S03 of the first embodiment, a prediction result sequence under the grid model is generated, which at least includes a plurality of historical driving tracks, a repetition probability calculation for each point of T1 … … Tn under the plurality of historical driving tracks is calculated, and the number of times is divided by the sum of the straight line distances between the track and T under the plurality of historical driving tracks to obtain a trigger value;
And fitting a plurality of historical driving tracks based on the obtained similar track c, wherein the driving track c is larger than or equal to a threshold value, the driving preference is adopted, and the length between the driving in point and the driving out point and between the two points between the adjacent T1 … … Tn is obtained according to the driving preference, wherein the threshold value is 3.
In step S04 of the first embodiment, the regional interval between each T based on T1 … … Tn is 500m.
That is, if the trigger value of T1 is calculated, several historical driving tracks of adjacent periods are taken, if five times are taken, the five historical driving tracks are added and divided by five to obtain an average value, that is, when the vehicle passes through T1 again, as long as the vehicle is in the lane covered by the average value, the vehicle can enter, and the vehicle can exit according to the method.
And determining the trigger value so as to select the point position positioned at T in the similar track, and then determining the residual driving route positioned at the point position of T through a threshold value so as to generate the driving track. And the embodiment is applied to the analysis of the predicted track point sequence number of the busy hour track.
According to whether the current time period of the vehicle is holidays or not and according to judgment, the first reference data and the second reference data are started as reference to set the track point serial numbers, so that sensitivity management is enhanced on the vehicle with driving preference, monitoring is enhanced, and the vehicle is prevented from frequently driving into an emergency stop zone.
Examples:
As can be seen from fig. 2, the planned T entry and exit points are given based on the similar trajectory c, the T point area requiring attention for entry and exit is given by the average driving speed, the meeting time based on the current driving speed of the vehicle is given, the predicted track point numbers acquired in step S05 are displayed, the first reference data and the second reference data are selected to be enabled as the reference planned track point numbers based on the driving time period, and the entry and exit time points of the track point numbers are dynamically simulated based on the average driving speed.
And the emergency stop zone violation snapshot area under the T1 … … Tn is marked and is set as a sensitive area a 1……an, and the position of the point a under the track point serial number is set. And identifying a plurality of violation snapshot areas under the planned driving route to determine the quantity of a existing in the T, carrying out early warning prompt when the driving vehicle time period is in holidays and approaches to the starting position of the a point, dynamically simulating the driving in and out time points of the track point serial numbers according to the average driving speed, acquiring the average speed of the vehicle approaching the T lane, giving out the meeting time of the two points, and carrying out feedback prompt.
It should be noted that, the point a includes a security area, and when the first reference data is taken as a reference, the point a is 500m; the second reference data is 800m. When a plurality of T points are arranged, the point a is added, and the condition that the vehicle is driven into an emergency stop zone cannot necessarily occur because the point a is a camera. The point a can be timely incorporated when the vehicles with the track are fewer in idle time, and the safety area of the point a is 800m when the second reference data is used as a reference because the vehicles with the track are more in emergency stop zone and the vehicles with the track are required to be incorporated into the main lane in advance when the vehicles are in busy time.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described 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 flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, 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 specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
The embodiment of the application also provides a specific implementation mode of the electronic equipment capable of realizing all the steps in the method in the embodiment, and the electronic equipment specifically comprises the following contents:
a processor (processor), a memory (memory), a communication interface (Communications Interface), and a bus;
The processor, the memory and the communication interface complete communication with each other through the bus;
the processor is configured to invoke the computer program in the memory, and when the processor executes the computer program, the processor implements all the steps in the method in the above embodiment.
The embodiments of the present application also provide a computer-readable storage medium capable of implementing all the steps of the method in the above embodiments, the computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements all the steps of the method in the above embodiments.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for a hardware+program class embodiment, the description is relatively simple, as it is substantially similar to the method embodiment, as relevant see the partial description of the method embodiment. Although the present description provides method operational steps as described in the examples or flowcharts, more or fewer operational steps may be included based on conventional or non-inventive means. The order of steps recited in the embodiments is merely one way of performing the order of steps and does not represent a unique order of execution. When implemented in an actual device or end product, the instructions may be executed sequentially or in parallel (e.g., in a parallel processor or multi-threaded processing environment, or even in a distributed data processing environment) as illustrated by the embodiments or by the figures. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, it is not excluded that additional identical or equivalent elements may be present in a process, method, article, or apparatus that comprises a described element. For convenience of description, the above devices are described as being functionally divided into various modules, respectively. Of course, when implementing the embodiments of the present disclosure, the functions of each module may be implemented in the same or multiple pieces of software and/or hardware, or a module that implements the same function may be implemented by multiple sub-modules or a combination of sub-units, or the like. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form. The present invention is described 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 flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, 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 specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be appreciated by those skilled in the art that embodiments of the present description may be provided as a method, system, or computer program product. Accordingly, the present specification embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present description embodiments may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein. In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present specification.
In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction. The foregoing is merely an example of an embodiment of the present disclosure and is not intended to limit the embodiment of the present disclosure. Various modifications and variations of the illustrative embodiments will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the embodiments of the present specification, should be included in the scope of the claims of the embodiments of the present specification.
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