CN109658691B - Method and system for recording violation of running red light of electric vehicle - Google Patents
Method and system for recording violation of running red light of electric vehicle Download PDFInfo
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- CN109658691B CN109658691B CN201811576877.XA CN201811576877A CN109658691B CN 109658691 B CN109658691 B CN 109658691B CN 201811576877 A CN201811576877 A CN 201811576877A CN 109658691 B CN109658691 B CN 109658691B
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
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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
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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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
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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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
- 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
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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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
- H04W4/30—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]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
Abstract
The invention provides a method for recording red light running violation of an electric vehicle, which comprises the following steps of: the server stores an electronic map and basic geographic information, and an electronic fence is arranged in the electronic map for an area where the electric vehicle is likely to run the red light rule; the mobile terminal on the electric vehicle sends a data packet to the server at regular time, and extracts the electric vehicle motion state information of each positioning point from the data packet; the electric vehicle motion state information at least comprises positioning moment information, speed information, coordinate information and moving azimuth information; the invention is applied to the electric vehicle, in particular to the electric bicycle, the mobile terminal positioned on the electric vehicle only needs to send data to the server side, and the server side can judge whether the electric vehicle violates regulations or not according to the acquired data.
Description
Technical Field
The invention belongs to a vehicle violation judging method, and particularly relates to a red light running violation recording method and system for an electric vehicle.
Background
Based on the problems of urban traffic congestion and parking difficulty, the electric bicycle becomes the first choice for short-distance travel of most people with the advantages of low price and convenience in travel, but with the increase of the number of electric bicycles, the phenomenon of violation of regulations of the electric bicycle is frequent, traffic accidents are easily caused, and therefore the violation of regulations of the electric bicycle needs to be recorded urgently, so that management and punishment are carried out later, and the phenomenon of violation of regulations is reduced.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a method and a system for recording the red light running violation of an electric vehicle, which aim to solve the problems in the prior art.
The invention adopts the following technical scheme:
the method for recording the violation of running the red light by the electric vehicle comprises the following steps:
the server stores an electronic map and basic geographic information, and an electronic fence is arranged in the electronic map for an area where the electric vehicle is likely to run the red light rule;
the mobile terminal on the electric vehicle sends a data packet to the server at regular time, and extracts the electric vehicle motion state information of each positioning point from the data packet; the electric vehicle motion state information at least comprises positioning moment information, speed information, coordinate information and moving azimuth information;
if the electric vehicle is ready to pass through a certain electronic fence:
extracting all positioning points of which the speed information of the positioning points in the current data packet is greater than a set value;
sequentially extracting the moving azimuth angles of the positioning points according to the time sequence of the positioning points in the data packet, matching the moving azimuth angles with the set red light positioning azimuth angle range of the traffic light, and if the moving azimuth angles of at least three positioning points are located in the set red light positioning azimuth angle range, judging that the traffic light is in the moving direction of the electric vehicle;
the method comprises the steps of extracting locating point information sent by the electric vehicle after the electric vehicle enters the electronic fence, and if at least three locating points exist, meeting the requirements at the same time: (1) the speed is greater than a set value; (2) the moving azimuth angle is located in a set red light positioning azimuth angle range, (3) the moment information is located in a red light time interval, so that the electric vehicle has two moving trends of red light running violation and right turn, and the next step of judgment is continued;
after the electric vehicle enters the electronic fence, if at least two positioning points exist, the positioning points can be satisfied simultaneously: (1) the speed is greater than a set value, (2) the moving azimuth angle is within a set right turning azimuth angle range, the electric vehicle is judged to turn right, and otherwise, the electric vehicle is judged to violate the rule of running a red light.
After the moving direction of the electric vehicle is determined, the coordinate information and the time information of the extracted locating points are obtained according to the locating time sequence, if at least two locating points are located outside the electronic fence and the time information is located in the red light time interval, the electric vehicle has the red light violation trend, and then the next judgment is carried out.
The method for judging whether the electric vehicle is ready to pass through a certain electronic fence comprises the following steps: the motion state information of the electric vehicle is extracted from a data packet sent by the electric vehicle, and the positioning coordinate of the electric vehicle is positioned in a set distance range outside the boundary of the electric fence.
The positioning red light azimuth angle range is set to be in a range from 60 degrees on the left side to 30 degrees on the right side of the red light azimuth angle of each traffic light, and when the moving azimuth angle of the electric vehicle is within the set positioning red light azimuth angle range of the traffic light, the traffic light is indicated to be the moving direction of the electric vehicle.
The right turning azimuth angle range is within the range from 30 degrees at the right side of the red light azimuth angle to 210 degrees at the right side.
A system for recording red light violation of electric vehicle comprises:
the server is used for storing the electronic map and the basic geographic information, storing electronic fence information of an area possibly violating regulations in the electronic map, and simultaneously recording violation information of the electric vehicle;
and the information sending terminal is arranged on the electric vehicle and used for sending the data packet to the server terminal in a wireless transmission mode.
The invention has the beneficial effects that: the invention is applied to the electric vehicle, in particular to the electric bicycle, the mobile terminal positioned on the electric vehicle only needs to send data to the server side, and the server side can judge whether the electric vehicle violates regulations or not according to the acquired data.
Drawings
Fig. 1 is a schematic view of an electric fence area.
Fig. 2 is a flow chart of red light violation determination.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention provides a recording system for red light violation of an electric vehicle, which comprises a server end arranged at a far end and a mobile terminal arranged at a near end, wherein the server end stores an electronic map and related basic geographic information, and meanwhile, an electronic fence is arranged in an area where the red light violation may exist on the electronic map, and the information of the electronic fence is stored in the server end. The mobile terminal installed on the electric vehicle packs the positioning data of the electric vehicle and sends the positioning data to the server, the server analyzes the positioning data after receiving the positioning data pack queue and acquires the motion state information of the electric vehicle, and whether the electric vehicle breaks rules and regulations is judged by analyzing the motion state information of the electric vehicle and the electronic fence information and the basic geographic information stored by the server. Since the basic geographic information is frequently read during the judgment, the cache mechanism can be utilized to realize the efficient reading of the basic geographic information.
The basic geographic information at least comprises range data of the electronic fence, red light azimuth angle data of each traffic light and red light time interval data of each traffic light.
Because the existing urban electric vehicles basically finish the work of registering license plates, the server end can simultaneously store the corresponding relation of license plate information, the unique number of the electric vehicle and the vehicle owner of each electric vehicle, the data packet information sent by the electric vehicles simultaneously comprises the unique number of the electric vehicle, and the server end can acquire the information of the vehicle owner of the electric vehicle violating the regulations according to the license plate number corresponding to the unique number of the electric vehicle, so that other punishment measures can be conveniently implemented when in follow-up needs.
The electric vehicle motion state information of the data packet sent by the electric vehicle mobile terminal to the server terminal at least comprises positioning coordinates, positioning moment information, current moving azimuth information and speed information; and the information in the data packet further comprises at least the unique number of the electric vehicle.
The mobile terminal on the electric vehicle is an independent vehicle-mounted positioning terminal and generally comprises a single chip microcomputer, the single chip microcomputer is connected with a GPS positioning module, and the GPS positioning module can provide positioning coordinates, positioning time, a movement azimuth angle and movement speed at the same time; meanwhile, the singlechip is connected with a memory, and the serial number of the electric vehicle can be stored; the single chip microcomputer is provided with a wireless information sending module for wirelessly sending information such as positioning information, azimuth information, unique serial number information of the electric vehicle and the like on the single chip microcomputer to the server side, and the server side carries out violation judgment according to the positioning information.
The vehicle-mounted positioning terminal is a data source of the server, a positioning data packet queue is pushed to the server through a communication operator, the queue is a plurality of data packets which are sent at regular time and have a time sequence, each data packet comprises a plurality of continuous positioning points, for example, each data packet can be set to comprise 30 positioning points, and after the data packet of the vehicle-mounted positioning terminal is analyzed, the information of the three-dimensional space position (namely coordinates), speed, direction and the like of the running vehicle can be obtained to realize violation judgment. Due to the existence of noise data, after the data packet is obtained, the data packet needs to be analyzed and abnormal points are removed, and then subsequent judgment is performed.
Based on the above conditions, the method for recording the violation of running the red light by the electric vehicle comprises the following steps:
(1) the mobile terminal on the electric vehicle sends a data packet to the server at regular time, and extracts the electric vehicle motion state information of each positioning point from the data packet; the electric vehicle motion state information at least comprises positioning moment information, speed information, coordinate information and moving azimuth information;
(2) firstly, judging whether the electric vehicle is ready to pass through an electronic fence of a certain traffic light intersection, wherein the judging method comprises the following steps: acquiring coordinate information in a data packet sent by the electric vehicle when the electric vehicle does not enter the electronic fence, judging whether the coordinate information and data of the electronic fence are smaller than a set value or not, and if the distance between the coordinate information of the electric vehicle and the electronic fence of a certain intersection is smaller than the set value, judging that the electric vehicle passes through the electronic fence of the intersection;
(3) extracting all positioning points of which the speed information of the positioning points in a data packet sent by the electric vehicle close to but not before entering the intersection electronic fence is greater than a set value;
(4) acquiring the moving azimuth angles of all the positioning points extracted in the step (3), matching the moving azimuth angles with a preset positioning red light azimuth angle range of a traffic light of the intersection, and if the moving azimuth angles of at least three positioning points in all the positioning points are located in the set positioning red light azimuth angle range, judging that the traffic light intersection is the moving direction of the electric vehicle;
(5) acquiring coordinate information and time information of all positioning points which are extracted in the step (3) and are close to but not enter the electronic fence, if at least two positioning points are positioned outside the electronic fence and the time information of the at least two positioning points is positioned in a red light time interval, the electric vehicle has a red light running trend, and continuing to perform the next judgment;
(6) the data packet sent after the electric vehicle enters the electronic fence is extracted, and if at least three positioning points exist, the data packet simultaneously satisfies the following conditions: 1) the speed is greater than a set value; 2) the moving azimuth angle is within the set positioning red light azimuth angle range, and 3) the time information is within the red light time interval, so that the electric vehicle has two moving trends of red light running violation and right turn, and continues to perform the next judgment;
(7) in the data package that sends after the electric motor car gets into the fence, if there are two at least setpoint that satisfy simultaneously: 1) the speed is greater than a set value, 2) the moving azimuth angle is within a set right turning azimuth angle range, the electric vehicle is judged to turn right, and otherwise, the electric vehicle is judged to violate the regulation of running a red light.
The right-turn azimuth angle range may be set to be within a range of 30 ° to the right 210 ° to the right of the red light azimuth angle.
In the steps (3) to (7) of the above determining step, the effective positioning point data with the speed greater than the set value in the data packet needs to be screened first, and then the subsequent determination is performed, so that after the data packet is received, the positioning point in the data packet can be screened first, and then the determination is performed. The above-mentioned set value may be set to 1 km/h.
In the above, the method for determining that the electric vehicle is approaching but not entering includes: the motion state information of the electric vehicle is extracted from a data packet sent by the electric vehicle, and the positioning coordinate of the electric vehicle is positioned in a set distance range outside the boundary of the electric fence. The method for judging the electric vehicle entering the electronic fence comprises the following steps: and coordinate information in the positioning point data sent by the electric vehicle is positioned in the range of the electronic fence.
As shown in fig. 1, based on that there may be a plurality of traffic lights in different directions at each intersection, the electric vehicle may be driven to different traffic light directions, and therefore, it is necessary to determine the moving direction of the electric vehicle, i.e. which traffic light the electric vehicle is driven to. The red light orientation angle range may be set to a range of 60 ° to the left side to 30 ° to the right side of the red light orientation angle of each traffic light.
The azimuth angles are all the azimuth angles in the same coordinate system.
The above process ends the judgment of red light violation and right turn.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by the present invention.
Claims (6)
1. The method for recording the violation of running the red light by the electric vehicle is characterized by comprising the following steps of:
the server stores an electronic map and basic geographic information, and an electronic fence is arranged in the electronic map for an area where the electric vehicle is likely to run the red light rule;
the mobile terminal on the electric vehicle sends a data packet to the server at regular time, and extracts the electric vehicle motion state information of each positioning point from the data packet; the electric vehicle motion state information at least comprises positioning moment information, speed information, coordinate information and moving azimuth information;
if the electric vehicle is ready to pass through a certain electronic fence:
extracting all positioning points of which the speed information of the positioning points in the current data packet is greater than a set value;
sequentially extracting the moving azimuth angles of the positioning points according to the time sequence of the positioning points in the data packet, matching the moving azimuth angles with the set red light positioning azimuth angle range of the traffic light, and if the moving azimuth angles of at least three positioning points are located in the set red light positioning azimuth angle range, judging that the traffic light is in the moving direction of the electric vehicle;
the method comprises the steps of extracting locating point information sent by the electric vehicle after the electric vehicle enters the electronic fence, and if at least three locating points exist, meeting the requirements at the same time: (1) the speed is greater than a set value; (2) the moving azimuth angle is located in a set red light positioning azimuth angle range, (3) the moment information is located in a red light time interval, so that the electric vehicle has two moving trends of red light running violation and right turn, and the next step of judgment is continued;
after the electric vehicle enters the electronic fence, if at least two positioning points exist, the positioning points can be satisfied simultaneously: (1) the speed is greater than a set value, (2) the moving azimuth angle is within a set right turning azimuth angle range, the electric vehicle is judged to turn right, and otherwise, the electric vehicle is judged to violate the rule of running a red light.
2. The electric vehicle red light running violation recording method according to claim 1, characterized in that:
after the moving direction of the electric vehicle is determined, the coordinate information and the time information of the extracted locating points are obtained according to the locating time sequence, if at least two locating points are located outside the electronic fence and the time information is located in the red light time interval, the electric vehicle has the red light violation trend, and then the next judgment is carried out.
3. The electric vehicle red light running violation recording method according to claim 1, characterized in that:
the method for judging whether the electric vehicle is ready to pass through a certain electronic fence comprises the following steps: the motion state information of the electric vehicle is extracted from a data packet sent by the electric vehicle, and the positioning coordinate of the electric vehicle is positioned in a set distance range outside the boundary of the electric fence.
4. The electric vehicle red light running violation recording method according to claim 1, characterized in that:
the positioning red light azimuth angle range is set to be in a range from 60 degrees on the left side to 30 degrees on the right side of the red light azimuth angle of each traffic light, and when the moving azimuth angle of the electric vehicle is within the set positioning red light azimuth angle range of the traffic light, the traffic light is indicated to be the moving direction of the electric vehicle.
5. The electric vehicle red light running violation recording method according to claim 1, characterized in that:
the right turning azimuth angle range is within the range from 30 degrees at the right side of the red light azimuth angle to 210 degrees at the right side.
6. A system for applying the red light running violation recording method of the electric vehicle as set forth in any one of claims 1-4, comprising:
the server is used for storing the electronic map and the basic geographic information, storing electronic fence information of an area possibly violating regulations in the electronic map, and simultaneously recording violation information of the electric vehicle;
and the information sending terminal is arranged on the electric vehicle and used for sending the data packet to the server terminal in a wireless transmission mode.
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| CN201811576877.XA CN109658691B (en) | 2018-12-23 | 2018-12-23 | Method and system for recording violation of running red light of electric vehicle |
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| CN201811576877.XA CN109658691B (en) | 2018-12-23 | 2018-12-23 | Method and system for recording violation of running red light of electric vehicle |
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| CN110415525A (en) * | 2019-07-26 | 2019-11-05 | 新华三技术有限公司成都分公司 | A kind of peccancy detection method and device |
| CN110459054A (en) * | 2019-08-07 | 2019-11-15 | 浙江中智海通信科技有限公司 | Vehicle violation wireless zone incudes detection system and method |
| CN112837528B (en) * | 2019-11-22 | 2022-06-03 | 顺丰科技有限公司 | Method, device and storage medium for detecting red light running event |
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