CN113870583A - Interval overspeed driving detection method and device based on automobile electronic data and storage medium - Google Patents
Interval overspeed driving detection method and device based on automobile electronic data and storage medium Download PDFInfo
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- CN113870583A CN113870583A CN202111395048.3A CN202111395048A CN113870583A CN 113870583 A CN113870583 A CN 113870583A CN 202111395048 A CN202111395048 A CN 202111395048A CN 113870583 A CN113870583 A CN 113870583A
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- 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
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
Abstract
The invention provides a detection method, a device and a readable storage medium for section overspeed driving based on automobile electronic data, comprising the following steps: acquiring time, speed and track information in a recorder; when the departure point and the adjacent tracks are detected to be positioned in the same speed limit area, recording the overspeed record and the departure point which appear firstly into an overspeed record set; when the departure point and the adjacent tracks are detected to be in different speed limit areas, calculating the driving distance from the original departure point to the overspeed record within the time of the most occurring overspeed record in an integral manner, calculating the current position according to map data, recording the overspeed record and the adjacent track information when the current position exceeds the adjacent tracks into an overspeed record set, and recording the overspeed record and the departure point information when the current position does not exceed the adjacent tracks into an overspeed record set. The method comprises the steps of extracting time, speed and position data stored in a running recorder device, calculating whether the vehicle has overspeed behavior in a speed limit area by combining with road speed limit requirements, and monitoring whether the vehicle has overspeed behavior in the whole course.
Description
Technical Field
The invention relates to the field of vehicle overspeed detection, in particular to a method and a device for detecting section overspeed driving based on automobile electronic data and a storage medium.
Background
The existing vehicle overspeed detection device can only judge whether the vehicle has overspeed behavior according to the average speed of the vehicle passing through a certain road section or the instantaneous speed of the vehicle passing through a test point, cannot detect the whole-course running speed of the vehicle, has an unsatisfactory detection effect on the average speed, and can often avoid the test point by experience for an old driver running on the road. The existing speed measuring system is used for single-point speed measurement or interval speed measurement, the single-point speed measurement can only test the instantaneous speed of a vehicle passing through a test point, and the test range is limited; the interval speed measurement is to judge whether the vehicle has overspeed behavior by measuring the instantaneous speed of the vehicle passing through the initial speed measurement point and the end speed measurement point and calculating the average speed passing through the interval, and the running speed of the vehicle cannot be accurately tested except for the limited test range.
Disclosure of Invention
In order to solve the problems that the prior art is limited in test range, is easy to escape traffic supervision by avoiding a speed measuring point and cannot detect the whole-course running speed of a vehicle, the embodiment of the invention provides the following technical scheme:
a section overspeed driving detection method based on automobile electronic data comprises the following steps:
a data acquisition step: acquiring a speed and track set in a recorder, generating a current speed set V and a current track set P according to time sequence, and acquiring a starting point P of the current track set Pi-1With adjacent tracks PiAll the speed records in the interval are sorted according to time to generate two track acquisition time point speed sets VT;
a detection step: in response to Pi-1And PiIn the same speed limit zone, the first-appearing overspeed record and the starting point P in the set VT are recordedi-1Recording an overspeed record set F;
in response to Pi-1And PiIn different speed-limiting areas, integral calculation of original starting point Pi-1And said setThe distance S traveled during the first occurring overspeed recording time in the merged VTnCalculating the current position P from the map datanJudging whether the current position exceeds PiThe speed limit area of (2); in response to the current position exceeding PiAnd the first-occurring overspeed record is greater than PiSpeed limit, recording the first overspeed record and PiTo the set of speeding records F; in response to the current position not exceeding PiAnd the first-occurring overspeed record is greater than Pi-1Speed limit, recording the first overspeed record and Pi-1To the speeding record set F.
Further, when all the elements in the set VT complete traversing, the starting point P of the set P is seti-1Is updated to Pi。
Still further, the method further comprises:
traversing the set F in response to the first Fi-1To adjacent FiIn the same speed-limiting area, delete FiRecording the overspeed;
in response to Fi-1And FiIn different speed-limiting areas, Fi-1Is updated to Fi。
Further, the running distance SnThe calculation formula of (2) is as follows:
taking the starting point Pi-1The time point of acquisition is 0, and the time point of the current position is n.
Further, the current position PnThe calculation formula of (2) is as follows: pn＝Sn+Pi-1。
The invention also provides a section overspeed driving detection device based on automobile electronic data, which uses the detection method and comprises the following steps:
a data acquisition unit: the system is configured to acquire a speed and track set in a recorder, generate a current speed set V and a current track set P according to time sequence, and acquire a starting point P of the current track set Pi-1With adjacent tracks PiAll the speed records in the interval are sorted according to time to generate two track acquisition time point speed sets VT;
a detection unit: configured to respond to Pi-1And PiIn the same speed limit zone, the first-appearing overspeed record and the starting point P in the set VT are recordedi-1Recording an overspeed record set F; in response to Pi-1And PiIn different speed-limiting areas, integral calculation of original starting point Pi-1Distance S traveled from the time of the first occurrence of the speeding recording in said set VTnCalculating the current position P from the map datanJudging whether the current position exceeds PiThe speed limit area of (2); in response to the current position exceeding PiAnd the first-occurring overspeed record is greater than PiSpeed limit, recording the first overspeed record and PiTo the set of speeding records F; in response to the current position not exceeding PiAnd the first-occurring overspeed record is greater than Pi-1Speed limit, recording the first overspeed record and Pi-1To the set of speeding records F;
an update unit: configured to execute the step of determining the starting point P of the set Pi-1Is updated to Pi。
Still further, the method performed by the apparatus further comprises:
traversing the set F in response to the first Fi-1To adjacent FiIn the same speed-limiting area, delete FiRecording the overspeed; in response to Fi-1And FiIn different speed-limiting areas, Fi-1Is updated to Fi。
Further, the running distance SnThe calculation formula of (2) is as follows:
taking the starting point Pi-1The time point of acquisition is 0, and the time point of the current position is n.
Further, the current position PnThe calculation formula of (2) is as follows: pn＝Sn+Pi-1。
The invention also proposes a computer-readable storage medium having stored thereon a computer program which, when executed, performs the detection method according to any one of claims 1 to 5.
The invention has the technical effects that: according to the scheme, the time, speed and position data stored in the driving recorder equipment are extracted, and whether the vehicle has overspeed behavior in the speed limit area is calculated by combining the road speed limit requirement. According to the scheme, whether the vehicle has overspeed behavior or not can be monitored in the whole process, the detection range is expanded, the detection accuracy is improved, and a new detection means is provided for vehicle supervision and accident prevention.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the invention. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.
FIG. 1 is a flow chart of zone overspeed detection based on automotive electronic data;
FIG. 2 is a flow chart of a zone speeding detection method based on automotive electronic data according to an embodiment of the present invention;
FIG. 3 is a block diagram of a zone overspeed detection device based on electronic data of a vehicle according to an embodiment of the present invention;
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
First, the basic principle of the present invention will be described, which is helpful for understanding the zone overspeed driving detection method based on electronic data of automobiles of the present invention.
The tachograph means stores the speed and trajectory data of the vehicle. The driving recorder collects and stores the vehicle speed once per second; and collecting and storing the position information of the vehicle once every minute. The running distance of the position of the current time point relative to the last track acquisition can be calculated by carrying out integral operation on the speed and is recorded as SnWriting a track (P)i-1) The time point of collection is 0, then SnComprises the following steps:
the track position P of the current speed acquisition point can be accurately calculated by importing the road data of the map packetn(ii) a Will PnBy comparing the current position with the limit range, it can be determined whether the vehicle is driving at torturous speed or speeding.
Fig. 1 is a flowchart for detecting speeding, and its conceptual assumption and flow are described as follows:
the concept assumption is that:
set V is a set of speed information of the day derived from the tachograph.
Set P is the current set of trajectory information derived from the tachograph.
The set VT is the set of all velocities between two trace acquisition time points.
Set F is the set of all speeding records and position and speed information.
1. All current travel speeds are derived from the tachograph and placed in the set V and sorted by time.
2. All current driving tracks are derived from the tachograph and put into the set P and sorted by time.
3. Taking out the oldest track information from the set P, and setting the oldest track information as a starting position and a previous track position Pi-1;
4. it is determined whether all elements in the set P have been processed. If yes, jumping to step 17; if not, continuing to step 5.
5. The oldest unprocessed element is taken from set P as Pi.
6. And all the speed information between two trace points Pi-1 to Pi is taken out from the set V and put into the set VT.
7. And judging whether Pi and Pi-1 are in the same speed limit area. If yes, continuing to step 8; if not, jumping to step 11.
8. The oldest unprocessed element is taken from VTi and is denoted VTi.
9. And judging whether the VTi is overspeed or not. If yes, storing VTi and Pi-1 information into a set F, updating Pi-1 to Pi and skipping to the step 4. If not, the step 10 is continued.
10. It is determined whether all elements in the set VT have been processed. If so, updating Pi-1 to Pi and skipping to the step 4; if not, jumping to step 8.
11. The oldest unprocessed element is taken from VTi and is denoted VTi.
12. The distance of travel Si during the period from Pi-1 to VTi is integrated.
13. And importing map data and calculating the current position. And judging whether the speed limit area of Pi is exceeded or not.
If yes, go to step 15, otherwise, continue to step 14.
14. And judging whether VT exceeds the speed limit of Pi-1, if so, storing the information of VTi and Pi-1 into a set F. And skipping to step 16.
15. And judging whether the VTi exceeds the speed limit of Pi, if so, storing the information of the VTi and the Pi into a set F.
16. It is determined whether all elements in the set VT have been processed. If so, updating Pi-1 to Pi and skipping to the step 4; if not, jumping to step 11.
17. The oldest element in time Fi-1 is taken from the set F.
18. It is determined whether all elements in set F have been processed. If yes, jumping to step 20; if not, continue with step 19.
19. The oldest unprocessed element Fi-1 is taken from the set F. And judging whether the Fi-1 and the Fi are in the same speed limiting area. And if so, deleting the overspeed information of the Fi. If not, updating the Fi-1 to the Fi. Step 18 is skipped.
20. And finishing the overspeed detection process.
Fig. 2 is a flow chart of a zone overspeed driving detection method based on electronic data of an automobile according to the invention. The detection method comprises the following steps:
data acquisition step S101: acquiring a speed and track set in a recorder, generating a current speed set V and a current track set P according to time sequence, and acquiring a starting point P of the current track set Pi-1With adjacent tracks PiAll the speed records in the interval are sorted according to time to generate two track acquisition time point speed sets VT;
a detection step S102: in response to Pi-1And PiIn the same speed limit zone, the first-appearing overspeed record and the starting point P in the set VT are recordedi-1Recording an overspeed record set F;
in response to Pi-1And PiIn different speed-limiting areas, integral calculation of original starting point Pi-1Distance S traveled from the time of the first occurrence of the speeding recording in said set VTnCalculating the current position P from the map datanJudging whether the current position exceeds PiThe speed limit area of (2); in response to the current position exceeding PiAnd the first-occurring overspeed record is greater than PiSpeed limit, recording the first overspeed record and PiTo the set of speeding records F; in response to the current position not exceeding PiAnd the first-occurring overspeed record is greater than Pi-1Speed limit, recording the first overspeed record and Pi-1To the speeding record set F.
Through the detection method, data of the driving recorder installed on the vehicle are extracted and analyzed, particularly, the two-passenger and one-dangerous vehicles can be mainly examined, whether overspeed driving behaviors exist in driving road sections of the vehicles or not is comprehensively analyzed according to time, vehicle speed, position, road section speed limit information and the like, the lucky psychology is kept from being garbled, and a quick and accurate detection means is provided for preventing accidents caused by overspeed.
In one embodiment of the present invention, when all the element traversals in the set VT are completed, the starting point P of the set P is determinedi-1Is updated to Pi. By traversing all elements in the set VT, the missing is avoided, and the detection accuracy is improved.
In one embodiment of the present invention, the method further comprises:
traversing the set F in response to the first Fi-1To adjacent FiIn the same speed-limiting area, delete FiRecording the overspeed;
in response to Fi-1And FiIn different speed-limiting areas, Fi-1Is updated to Fi。
And by traversing the set F, the overspeed record is rechecked, so that the detection accuracy can be further improved.
In one embodiment of the invention, the travel distance SnThe calculation formula of (2) is as follows:
taking the starting point Pi-1The time point of acquisition is 0, and the time point of the current position is n.
In one embodiment of the present invention, the current position PnThe calculation formula of (2) is as follows: pn＝Sn+Pi-1。
With further reference to fig. 3, as an implementation of the method described in fig. 2, the present application further provides an embodiment of a section overspeed driving detection apparatus based on electronic data of an automobile, which corresponds to the embodiment of the method described in fig. 2, and which may be specifically included in various electronic devices.
An automotive electronic data-based section overspeed driving detection device, which uses the detection method, comprises the following steps:
the data acquisition unit 1: the system is configured to acquire a speed and track set in a recorder, generate a current speed set V and a current track set P according to time sequence, and acquire a starting point P of the current track set Pi-1With adjacent tracks PiAll the speed records in the interval are sorted according to time to generate two track acquisition time point speed sets VT;
the detection unit 2: configured to respond to Pi-1And PiIn the same speed limit zone, the first-appearing overspeed record and the starting point P in the set VT are recordedi-1Recording an overspeed record set F; in response to Pi-1And PiIn different speed-limiting areas, integral calculation of original starting point Pi-1Distance S traveled from the time of the first occurrence of the speeding recording in said set VTnCalculating the current position P from the map datanJudging whether the current position exceeds PiThe speed limit area of (2); in response to the current position exceeding PiAnd the first-occurring overspeed record is greater than PiSpeed limit, recording the first overspeed record and PiTo the set of speeding records F; in response to the current position not exceeding PiAnd the first-occurring overspeed record is greater than Pi-1Speed limit, recording the first overspeed record and Pi-1To the set of speeding records F;
the updating unit 3: configured to execute the step of determining the starting point P of the set Pi-1Is updated to Pi。
In a specific embodiment of the overspeed driving detection apparatus of the present invention, the method performed by the apparatus further comprises: traversing the set F in response to the first Fi-1To adjacent FiIn the same speed-limiting area, delete FiRecording the overspeed; in response to Fi-1And FiIn different speed-limiting areas, Fi-1Is updated to Fi. And the overspeed record is rechecked, so that the detection accuracy is further improved.
In a specific embodiment of the overspeed driving detection device according to the present invention, said running distance S is set to a value equal to or greater than a predetermined valuenThe calculation formula of (2) is as follows:
taking the starting point Pi-1The time point of acquisition is 0, and the time point of the current position is n.
In a specific embodiment of the overspeed driving detection device of the present invention, said current position P is set to be lower than said current position PnThe calculation formula of (2) is as follows: pn＝Sn+Pi-1。
For convenience of description, the above system is described as being divided into various units by functions, and described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
According to the method, the device and the readable storage medium for detecting the section overspeed driving based on the electronic data of the automobile, whether the vehicle has overspeed behavior in a speed limit area is calculated by extracting the time, speed and position data stored in a driving recorder device and combining with the road speed limit requirement. According to the scheme, whether the vehicle has overspeed behavior or not can be monitored in the whole process, the detection range is expanded, the detection accuracy is improved, and a new detection means is provided for vehicle supervision and accident prevention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (10)
1. A section overspeed driving detection method based on automobile electronic data is characterized by comprising the following steps:
a data acquisition step: acquiring a speed and track set in a recorder, generating a current speed set V and a current track set P according to time sequence, and acquiring a starting point P of the current track set Pi-1With adjacent tracks PiAll the speed records in the interval are sorted according to time to generate two track acquisition time point speed sets VT;
a detection step: in response to Pi-1And PiIn the same speed limit zone, the first-appearing overspeed record and the starting point P in the set VT are recordedi-1Recording an overspeed record set F;
in response to Pi-1And PiIn different speed-limiting areas, integral calculation of original starting point Pi-1Distance S traveled from the time of the first occurrence of the speeding recording in said set VTnCalculating the current position P from the map datanJudging whether the current position exceeds PiThe speed limit area of (2); in response to the current position exceeding PiAnd the first-occurring overspeed record is greater than PiSpeed limit, recording the first overspeed record and PiTo the set of speeding records F; in response to the current position not exceeding PiAnd the first-occurring overspeed record is greater than Pi-1Speed limit, recording the first overspeed record and Pi-1To the speeding record set F.
2. The method for detecting section overspeed driving based on automotive electronic data as claimed in claim 1, wherein when all elements in said set VT are traversed, the starting point P of said set P is determinedi-1Is updated to Pi。
3. The method for detecting section overspeed driving based on electronic data of automobiles as claimed in claim 1, further comprising:
traversing the set F in response to the first Fi-1To adjacent FiIn the same speed-limiting area, delete FiRecording the overspeed;
in response to Fi-1And FiIn different speed-limiting areas, Fi-1Is updated to Fi。
4. Method for detecting section speeding based on automotive electronic data, according to claim 1, characterized in that said driving distance SnThe calculation formula of (2) is as follows:
taking the starting point Pi-1The time point of acquisition is 0, and the time point of the current position is n.
5. Method for detecting section speeding based on automotive electronic data, according to claim 1, characterized in that said current position PnThe calculation formula of (2) is as follows: pn＝Sn+Pi-1。
6. A section overspeed detection device based on electronic data of an automobile, which uses the detection method as claimed in claim 1, comprising:
a data acquisition unit: the system is configured to acquire a speed and track set in a recorder, generate a current speed set V and a current track set P according to time sequence, and acquire a starting point P of the current track set Pi-1With adjacent tracks PiAll the speed records in the interval are sorted according to time to generate two track acquisition time point speed sets VT;
a detection unit: configured to respond to Pi-1And PiWithin the same limitA speed zone for recording the first-appearing overspeed and the starting point P in the set VTi-1Recording an overspeed record set F; in response to Pi-1And PiIn different speed-limiting areas, integral calculation of original starting point Pi-1Distance S traveled from the time of the first occurrence of the speeding recording in said set VTnCalculating the current position P from the map datanJudging whether the current position exceeds PiThe speed limit area of (2); in response to the current position exceeding PiAnd the first-occurring overspeed record is greater than PiSpeed limit, recording the first overspeed record and PiTo the set of speeding records F; in response to the current position not exceeding PiAnd the first-occurring overspeed record is greater than Pi-1Speed limit, recording the first overspeed record and Pi-1To the set of speeding records F;
an update unit: configured to execute the step of determining the starting point P of the set Pi-1Is updated to Pi。
7. The automotive electronic data-based section overspeed driving detection apparatus as recited in claim 6, wherein said apparatus performs a method further comprising:
traversing the set F in response to the first Fi-1To adjacent FiIn the same speed-limiting area, delete FiRecording the overspeed; in response to Fi-1And FiIn different speed-limiting areas, Fi-1Is updated to Fi。
8. The automotive electronic data-based section overspeed driving detection device as claimed in claim 6, characterized in that: the running distance SnThe calculation formula of (2) is as follows:
taking the starting point Pi-1The time point of acquisition is 0, and the time point of the current position is n.
9. The automotive electronic data-based section overspeed driving detection device as claimed in claim 6, characterized in that: the current position PnThe calculation formula of (2) is as follows: pn＝Sn+Pi-1。
10. A computer-readable storage medium, having stored thereon a computer program which, when executed, performs the detection method of any one of claims 1-5.
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