CN101937421A - Method for collecting real-time operation information of vehicle for operation security risk assessment - Google Patents

Method for collecting real-time operation information of vehicle for operation security risk assessment Download PDF

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Publication number
CN101937421A
CN101937421A CN2009100543420A CN200910054342A CN101937421A CN 101937421 A CN101937421 A CN 101937421A CN 2009100543420 A CN2009100543420 A CN 2009100543420A CN 200910054342 A CN200910054342 A CN 200910054342A CN 101937421 A CN101937421 A CN 101937421A
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vehicle
risk assessment
information
security risk
security
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李波涛
曹必涛
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SHANGHAI DACHAO ELECTRONIC TECHNOLOGY Co Ltd
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SHANGHAI DACHAO ELECTRONIC TECHNOLOGY Co Ltd
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Abstract

The invention discloses a method for collecting real-time operation information of a vehicle for operation security risk assessment, comprising the following steps of: S1, establishing the vehicle operation information and a vehicle accident information database; S2, performing data mining on the vehicle operation information and the vehicle accident information to establish a vehicle operation security risk assessment model; S3, obtaining the vehicle real-time operation information by a GPRS (General Packet Radio Service) remote technology; S4, adding the vehicle real-time operation information to the vehicle operation information and the vehicle accident information database and modifying the vehicle operation security risk assessment model; and S5, calculating the security risk coefficient for vehicle operation according to the vehicle operation security risk assessment model and the vehicle real-time operation information. The vehicle operation security risk assessment model can continuously improve the accuracy of the vehicle operation security risk assessment by updating and modifying data so as to avoid occurrence of vehicle traffic safety accidents.

Description

Collection vehicle real time execution information and the method for carrying out the security of operation risk assessment
Technical field
The present invention relates to a kind of method of security risk assessment, particularly relate to a kind of collection vehicle real time execution information and the method for carrying out the security of operation risk assessment.
Background technology
The imperfection of road equipment and traffic administration, traffic behavior lacks standard, and technology state of vehicle complexity or the like causes traffic safety problem serious day by day.The method of vehicle safety risk assessment mainly contains way of qualitative analysis, method for qualitative analysis is that the vehicle traffic accident unsafe condition to analytic target carries out system, careful inspection, according to check result its vehicle traffic accident danger is made roughly assessment, method for qualitative analysis is mainly used in the most dangerous vehicle operating security incident of identification, but is difficult to provide vehicle operating security risk grade.
Summary of the invention
The technical problem to be solved in the present invention is the defective that is difficult to provide vehicle operating security risk grade in the prior art in order to overcome, the method that a kind of collection vehicle real time execution information is provided and carries out the security of operation risk assessment, it carries out data mining to set up vehicle operating security risk assessment model to vehicle history run information and accident information; The vehicle real time execution information of utilizing GPRS (General Packet Radio Service, general packet radio service) remote technology to obtain is simultaneously assessed the security risk of vehicle in conjunction with vehicle operating security risk assessment model.
The present invention solves above-mentioned technical matters by following technical proposals: the method that a kind of collection vehicle real time execution information is carried out the security of operation risk assessment is characterized in that it may further comprise the steps:
S1, set up vehicle operating information and car accident information database;
S2, by vehicle operating information and car accident information are carried out data mining to set up vehicle operating security risk assessment model;
S3, obtain vehicle real time execution information by the GPRS remote technology;
S4, interpolation vehicle real time execution information are revised vehicle operating security risk assessment model in vehicle operating information and car accident information database;
S5, according to the security risk coefficient of vehicle operating security risk assessment model and the vehicle operating of vehicle real time execution information calculations.
Preferably, the vehicle operating security risk assessment model among the described step S2 comprises the grade classification parameter of the traffic hazard factor and weighted value thereof, security risk coefficient.
Preferably, the described traffic hazard factor comprises fatigue driving, drives over the speed limit, traffic hazard sends out easily to travel, travel in speed limit zone in the location, emergency alarm, illegally move, equipment failure, turning and brake.
Preferably, described step S2 sets up vehicle operating security risk assessment model and may further comprise the steps:
S21, in vehicle operating information and car accident information database, obtain all vehicle safety accidents the preceding 90 seconds travel condition of vehicle data relevant with the traffic hazard factor take place, emulation is carried out in accident traffic each time, generated the characteristic quantity of this time traffic hazard;
S22, take the mode of mean value to obtain the weights of the various traffic hazard factors;
S23, according to the weights of the traffic hazard factor, divide the grade of security risk coefficient.
Preferably, the grade classification of described security risk coefficient is five grades.
Preferably, described step S4 specifically is the weights that recomputate each traffic hazard factor according to vehicle operating security risk assessment model, the vehicle real time execution information of obtaining is saved in the travel condition of vehicle database, regularly the travel condition of vehicle database is carried out data mining then, utilize data mining results that vehicle operating security risk assessment model is revised.
Preferably, the security risk coefficient of the vehicle operating among the described step S5 surpasses warning value, will point out the vehicle driver by voice messaging.
Preferably, described collection vehicle real time execution information and the method for carrying out the security of operation risk assessment adopts mobile unit, gps system, background service system and client, gps system comprises gps satellite and communication tower, carry out data transmission by GPRS double-direction radio data communication network between gps satellite and the communication tower, communication tower is communicated by letter with background service system by the Internet network, background service system comprises communication server, database server, Internet information delivery server and application server, background service system is by Internet network and client communication, and client comprises portable computer and workstation.
Positive progressive effect of the present invention is: the present invention adopts vehicle operating information and car accident information is carried out data mining to set up vehicle operating security risk assessment model.This vehicle operating security risk assessment model can improve constantly the accuracy of vehicle operating security risk assessment by Data Update and correction, so that avoid the generation of vehicular traffic security incident.
Description of drawings
Fig. 1 carries out the module diagram of the system that the method for security of operation risk assessment uses for collection vehicle real time execution information of the present invention.
Fig. 2 carries out the process flow diagram of the method for security of operation risk assessment for collection vehicle real time execution information of the present invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
As shown in Figure 1, collection vehicle real time execution information of the present invention and system that the method for security of operation risk assessment of carrying out is used comprises mobile unit, gps system (Global Positioning System, GPS), background service system and client, gps system comprises gps satellite and communication tower, carry out data transmission by GPRS double-direction radio data communication network between gps satellite and the communication tower, communication tower is communicated by letter with background service system by the Internet network, background service system comprises communication server, database server, Internet information delivery server and application server, background service system is by Internet network and client communication, and client comprises portable computer and workstation.After system builds up, to a chassis be installed on every vehicle and carry equipment, this mobile unit is a GPRS remote data acquisition transmission terminal, this mobile unit utilizes gps system to position, by switching value, analog quantity, CAN (Controller Area Network, controller local area network) interface collection vehicle running state data such as data communication, and carry out data transmission by GPRS double-direction radio data communication network, background service system to remote collection to vehicle operation data carry out statistics and analysis.
Collection vehicle real time execution information of the present invention and the method for carrying out the security of operation risk assessment realize based on the GPRS remote technology, and this method has comprised to be obtained vehicle real time execution information, set up vehicle operating security risk assessment model and calculate steps such as vehicle safety operation risk coefficient.As shown in Figure 2, the present invention specifically may further comprise the steps:
Step 11, set up vehicle operating information and car accident information database.Vehicle operating information has comprised the travel condition of vehicle data of obtaining by the GPRS remote technology, vehicle operating information is divided into vehicle history run information and vehicle real time execution information, information such as whether particular content comprised time, car speed, whether fatigue driving, exceed the speed limit.Preceding vehicle-state takes place in time, place and accident that car accident information has comprised vehicle generation traffic safety accident.
Step 12, by vehicle operating information and car accident information are carried out data mining to set up vehicle operating security risk assessment model.This vehicle operating security risk assessment model comprises the parameters such as grade classification of the traffic hazard factor and weighted value thereof, security risk coefficient.At first establish the traffic hazard factor, as shown in table 1, the traffic hazard factor comprises fatigue driving, drives over the speed limit, traffic hazard sends out easily to travel, travel in speed limit zone in the location, emergency alarm, illegally move, equipment failure, turning and brake etc.According to the traffic hazard factor of determining, determine the weighted value of each traffic hazard factor and the parameters such as grade classification of security risk coefficient.
Table 1 traffic hazard factor table
Figure B2009100543420D0000051
Wherein, setting up vehicle operating security risk assessment model may further comprise the steps:
Step 21: in vehicle operating information and car accident information database, obtain all vehicle safety accidents the preceding 90 seconds travel condition of vehicle data (per ten second an in record) relevant with the traffic hazard factor take place, short time emulation is carried out in traffic hazard each time, generated the characteristic quantity of this time traffic hazard.Each bar state record is analyzed according to predefined equation (1):
Σ i = 1 n a i P i = k · · · ( 1 )
Wherein, n=9; (wherein 0 is normal condition, and 1 is abnormality); 1＞P i＞0, solve a series of by above equation
Figure B2009100543420D0000054
Value.
Step 22:, take the mode of mean value to obtain the weights of the various traffic hazard factors by equation (2).
( Σ k = 1 n P k ) / N = Q i · · · ( 2 )
Wherein, N is a vehicle safety accident bar number;
Figure B2009100543420D0000062
Accident factor weights for correspondence;
Step 23: according to the weights of the traffic hazard factor, divide the grade of security risk coefficient, the security risk coefficient level is divided into five grades.The threshold values S of each grade 0To S 4Shown in equation (3) to (7) (wherein n=9):
0 < S o < = ( &Sigma; k = 1 n Q k ) / 5 &CenterDot; &CenterDot; &CenterDot; ( 3 ) ( &Sigma; k &NotEqual; 1 n Q k ) / 5 < S 1 < = ( &Sigma; k = 1 n Q k ) * 2 / 5 &CenterDot; &CenterDot; &CenterDot; ( 4 ) ( &Sigma; k &NotEqual; 1 Q k ) * 2 / 5 < S 2 < = ( &Sigma; k &NotEqual; 1 n Q k ) * 3 / 5 &CenterDot; &CenterDot; &CenterDot; ( 5 ) ( &Sigma; k = n ] Q k ) * 3 / 5 < S 3 < = ( &Sigma; k = 1 Q k ) 4 * / 5 &CenterDot; &CenterDot; &CenterDot; ( 6 ) ( &Sigma; k = 1 Q k ) * 4 / 5 < S 4 < = 1 &CenterDot; &CenterDot; &CenterDot; ( 7 )
Step 13, obtain vehicle real time execution information by the GPRS remote technology.Specifically be vehicle real time execution information and the real-time driving information of driver to be sent in communication server and the database server by the GPRS remote technology by the GPRS remote data acquisition transmission terminal of on vehicle, installing, and real time parsing and be stored in vehicle operating information and the car accident information database.By finish of grasp and the management of background server end with upper type to the real-time information of all operational vehicles.
Step 14, interpolation vehicle real time execution information are revised vehicle operating security risk assessment model in vehicle operating information and car accident information database.Specifically be the weights that recomputate each traffic hazard factor according to vehicle operating security risk assessment model, the vehicle real time execution information of obtaining is saved in the travel condition of vehicle database, regularly the travel condition of vehicle database is carried out data mining then, utilize data mining results that vehicle operating security risk assessment model is revised.
Step 15, according to the security risk coefficient of vehicle operating security risk assessment model and the vehicle operating of vehicle real time execution information calculations.If the security risk coefficient of vehicle operating surpasses warning value, the present invention will point out the vehicle driver by voice messaging, and the vehicle driver immediately can enhancing your vigilance property like this, thereby avoid the generation of vehicular traffic security incident.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these embodiments.Therefore, protection scope of the present invention is limited by appended claims.

Claims (8)

1. a collection vehicle real time execution information and the method for carrying out the security of operation risk assessment is characterized in that it may further comprise the steps:
S1, set up vehicle operating information and car accident information database;
S2, by vehicle operating information and car accident information are carried out data mining to set up vehicle operating security risk assessment model;
S3, obtain vehicle real time execution information by the GPRS remote technology;
S4, interpolation vehicle real time execution information are revised vehicle operating security risk assessment model in vehicle operating information and car accident information database;
S5, according to the security risk coefficient of vehicle operating security risk assessment model and the vehicle operating of vehicle real time execution information calculations.
2. collection vehicle real time execution information as claimed in claim 1 and the method for carrying out the security of operation risk assessment, it is characterized in that the vehicle operating security risk assessment model among the described step S2 comprises the grade classification parameter of the traffic hazard factor and weighted value thereof, security risk coefficient.
3. collection vehicle real time execution information as claimed in claim 2 and the method for carrying out the security of operation risk assessment, it is characterized in that, the described traffic hazard factor comprises fatigue driving, drives over the speed limit, traffic hazard sends out easily to travel, travel in speed limit zone in the location, emergency alarm, illegally move, equipment failure, turning and brake.
4. collection vehicle real time execution the information as claimed in claim 3 and method of carrying out the security of operation risk assessment is characterized in that described step S2 sets up vehicle operating security risk assessment model and may further comprise the steps:
S21, in vehicle operating information and car accident information database, obtain all vehicle safety accidents the preceding 90 seconds travel condition of vehicle data relevant with the traffic hazard factor take place, emulation is carried out in accident traffic each time, generated the characteristic quantity of this time traffic hazard;
S22, take the mode of mean value to obtain the weights of the various traffic hazard factors;
S23, according to the weights of the traffic hazard factor, divide the grade of security risk coefficient.
5. collection vehicle real time execution the information as claimed in claim 4 and method of carrying out the security of operation risk assessment is characterized in that the grade classification of described security risk coefficient is five grades.
6. collection vehicle real time execution information as claimed in claim 5 and the method for carrying out the security of operation risk assessment, it is characterized in that, described step S4 specifically is the weights that recomputate each traffic hazard factor according to vehicle operating security risk assessment model, the vehicle real time execution information of obtaining is saved in the travel condition of vehicle database, regularly the travel condition of vehicle database is carried out data mining then, utilize data mining results that vehicle operating security risk assessment model is revised.
7. collection vehicle real time execution the information as claimed in claim 1 and method of carrying out the security of operation risk assessment is characterized in that, the security risk coefficient of the vehicle operating among the described step S5 surpasses warning value, will point out the vehicle driver by voice messaging.
8. collection vehicle real time execution information as claimed in claim 1 and the method for carrying out the security of operation risk assessment, it is characterized in that, described collection vehicle real time execution information and the method for carrying out the security of operation risk assessment adopts mobile unit, gps system, background service system and client, gps system comprises gps satellite and communication tower, carry out data transmission by GPRS double-direction radio data communication network between gps satellite and the communication tower, communication tower is communicated by letter with background service system by the Internet network, background service system comprises communication server, database server, Internet information delivery server and application server, background service system is by Internet network and client communication, and client comprises portable computer and workstation.
CN2009100543420A 2009-07-03 2009-07-03 Method for collecting real-time operation information of vehicle for operation security risk assessment Pending CN101937421A (en)

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Cited By (30)

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CN103150675A (en) * 2013-01-30 2013-06-12 郁佳敏 Risk monitoring system of automobile insurance
CN104023054A (en) * 2014-05-29 2014-09-03 佛山市天地行科技有限公司 Information issuing method
CN104978492A (en) * 2015-07-09 2015-10-14 彩虹无线（北京）新技术有限公司 Safety driving evaluation method based on telematics data flow
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CN105389976A (en) * 2014-08-29 2016-03-09 福特全球技术公司 Method and Apparatus for Road Risk Indices Generation
CN105512453A (en) * 2014-10-15 2016-04-20 厦门雅迅网络股份有限公司 Method and device for vehicle risk judgment based on historical mileages
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Application publication date: 20110105