CN105513395A - Intelligent information pushing system and method based on vehicle destination prediction - Google Patents

Intelligent information pushing system and method based on vehicle destination prediction Download PDF

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Publication number
CN105513395A
CN105513395A CN201510866266.9A CN201510866266A CN105513395A CN 105513395 A CN105513395 A CN 105513395A CN 201510866266 A CN201510866266 A CN 201510866266A CN 105513395 A CN105513395 A CN 105513395A
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China
Prior art keywords
information
user
vehicle
car
prediction
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CN201510866266.9A
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CN105513395B (en
Inventor
胡斌杰
周灵通
汪亮
李晓欢
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South China University of Technology SCUT
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South China University of Technology SCUT
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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements or protocols for real-time communications
    • H04L65/40Services or applications
    • H04L65/4061"Push-to-X" services

Abstract

The invention discloses an intelligent information pushing system and method based on vehicle destination prediction. The system consists of a vehicle-mounted terminal and an information pushing server. The vehicle-mounted terminal is used for collecting the state information of a vehicle, learning the driving habit of a user, predicting the travel destination of the user, transmitting the state information of the vehicle, the driving habit and the travel destination to the information pushing server, receiving and displaying the information pushed by the information pushing server. The information pushing server is used for receiving the state information of the vehicle, the driving habit and the travel destination, judging the demands of the user according to the received information, automatically obtains the information needed by the user, and pushing the information to the vehicle-mounted terminal. The system and method can predict the travel destination of the user and obtain the state information of the vehicle, can judge the demands of the user according to the above, and can push other needed information to the user more precisely in a more targeted manner.

Description

A kind of intelligent information supplying system based on the prediction of vehicle destination and method
Technical field
The invention belongs to intelligent transportation field, be specifically related to a kind of intelligent information supplying system based on the prediction of vehicle destination and method.
Background technology
Along with the fast development of wireless communication technology, automobile has been not only a kind of walking-replacing tool, has more become an important node in internet, has become the important channel of people's obtaining information.But the acquisition of these information still needs the advanced row man-machine interaction of user.Present automobile can only go to obtain and exhibition information passively, and can not the demand of automatic sensing user, initiatively for user provides the information needed for it.On the other hand, along with the development of mobile terminal technology and wireless communication technology, information pushing has become the important way of Information issued.But the information transmission system of Most current is all push various information directly to user, allow user go to remove filter information according to self-demand, easily like this cause information overabundance, cause the dislike of user and play opposite effect.
Also there are at present some information transmission systems based on geographic position, these information transmission systems simply can screen user according to geographic position.Be in as user or pass through certain geographic position, information transmission system can push the relevant information of this geographic position periphery to user.But this information transmission system can not grasp the real demand of user, thus can not ensure the accuracy of institute's pushed information, still can not avoid the appearance of information overabundance situation completely.In addition, this information transmission system can only carry out information pushing around the geographic position that user is current, and the scope covered is less.
Summary of the invention
For problem existing in current information supplying system, the invention provides a kind of intelligent information supplying system based on the prediction of vehicle destination and method.This system can predict user's trip purpose ground, and judges the demand of user in conjunction with the status information that vehicle is current, is then that it pushes relevant information according to user's request, thus achieves the accurate propelling movement of information, avoid the problem of information overabundance.In addition, be user's trip purpose the geographic position that a user will occur future, the scope that thus information transmission system covers have also been obtained expansion.
Intelligent information supplying system based on the prediction of vehicle destination of the present invention, user's trip purpose ground can be predicted, and the demand of user is judged in conjunction with the status information that vehicle is current, be then that it pushes relevant information according to user's request, thus realize the accurate propelling movement of information.It is made up of car-mounted terminal and Information Push Server two parts: car-mounted terminal is information acquisition unit and the man-machine interaction unit of system, it is responsible for collection vehicle status information, study user driving habits, prediction user trip purpose ground, user's car status information, driving habits and trip purpose ground is sent to Information Push Server, and the information that reception and display Information Push Server push; Information Push Server is the background service center of system, it is responsible for user's car status information, driving habits and the trip purpose ground that reception car-mounted terminal sends over, judge the demand of user according to received information and information needed for automatic acquisition user, then push this information to car-mounted terminal;
Car-mounted terminal comprises following content:
For preserving the history wheelpath database of user's history wheelpath data;
For the car status information acquisition module of collection vehicle status information;
For learning the destination prediction module on user's driving habits and prediction user trip purpose ground;
For receiving and show the receives information display module of the information that Information Push Server pushes;
Information Push Server comprises following content:
For preserving the information interest point data base of point of interest;
For preserving the real time traffic data database of real time traffic data;
For preserving user's driving habits database of user's driving behavior custom;
For the car status information that sends over according to car-mounted terminal and trip purpose ground, then in conjunction with user's driving habits and real time traffic data, judge the demand of user, and retrieve the information searching module of the information needed for it according to user's request;
For the result for retrieval of information searching module being pushed to the info push module of car-mounted terminal.
In foregoing, car-mounted terminal can be independently equipment, also can be universal intelligent terminal device.Information Push Server can be built in separate hardware, also can build in fictitious host computer.Be connected by wireless network between car-mounted terminal with Information Push Server.
In said system, the history wheelpath data that history wheelpath data database is preserved represent with GPS point sequence.Gps data comprises the fields such as timestamp, longitude and latitude, height above sea level, speed and direction of motion.
In said system, car status information acquisition module comprises GPS, gyroscope and other various sensors for collection vehicle situation (as oil consumption, tire pressure etc.).Various sensor is connected by wired or wireless mode.
In said system, destination prediction module utilizes history wheelpath off-line data to learn user's driving habits, builds forecast model, then in conjunction with current line wheel paths prediction user's trip purpose ground.
In said system, the interest point information that interest point data base is preserved can change in real time, as the discounting activity in store, the parking stall situation etc. in parking lot.What real time traffic data database was preserved is the real-time road condition information of all roads in the city scope of vehicle place.User's driving habits is characterized by the general routes of certain position transfer to another one position by user.
In said system, information searching module can from the information needed for interest point data base and external the Internet retrieval user.
Present invention also offers a kind of intelligent information method for pushing based on the prediction of vehicle destination, the method includes the steps of:
Step 1: utilize the wheelpath data in car status information acquisition module collection user long period section, be saved in history wheelpath data database.
Step 2: utilize the data study user driving habits in history wheelpath data database, build destination forecast model, and user's driving habits is sent to Information Push Server.
Step 3: utilize car status information acquisition module to gather current vehicle condition information, utilizes forecast model prediction user's trip purpose ground, destination, and car status information and user's trip purpose is sent to Information Push Server.
Step 4: Information Push Server judges the demand of user and information needed for automatic acquisition user according to the car status information received and user's trip purpose, and pushes this information to car-mounted terminal.
Step 5: car-mounted terminal receives the information that also Information Push Server pushes.
In said method, history wheelpath data database upgrades at the end of user goes on a journey each time.
In said method, the work of study user driving habits, structure destination forecast model is that regular off-line completes, and the repetition period is longer.
In said method, in user's driving procedure, whenever user movement all carries out the prediction on a trip purpose ground to a new road.
Compared with prior art, tool of the present invention has the following advantages and technique effect:
The present invention is based on the intelligent information supplying system of vehicle destination prediction and method with can predicting user's trip purpose with collection vehicle status information, and judge the demand of user on this basis, and then push the information required for it for user.Native system can realize the accurate propelling movement of information, has both avoided the situation of information overabundance, additionally reduces the waste of the communication resource, has higher practical value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intelligent information supplying system based on the prediction of vehicle destination.
Fig. 2 is the schematic diagram of certain the history wheelpath stored in history wheelpath data database.
Fig. 3 is the connected mode schematic diagram of each sensor in collecting vehicle information module.
Fig. 4 is the specific implementation step schematic diagram of information pushing.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the intelligent information supplying system based on the prediction of vehicle destination of the present embodiment comprises: car-mounted terminal 10 and Information Push Server 20.Described car-mounted terminal 10 comprises history wheelpath database 11, collecting vehicle information module 12, destination prediction module 13 and information display module 14.Described Information Push Server 20 comprises interest point data base 21, real time traffic data database 22, user's driving habits database 23, information searching module 24 and info push module 25.In the present embodiment, what car-mounted terminal 10 adopted is development board based on processor CortexA8 framework, and what run is Android operation system; Information Push Server 20 is built in unique host.Connected by 3G network between car-mounted terminal 10 and Information Push Server.
The history wheelpath data database 12 of the present embodiment is for preserving user's history wheelpath data.History wheelpath data are made up of a series of GPS point, and Fig. 2 is the schematic diagram of certain the history wheelpath stored in history wheelpath data database.The collecting vehicle information module 12 of the present embodiment comprises GPS, gyroscope, fuel consume sensor and tyre pressure sensor, Fig. 3 is the connected mode schematic diagram of each sensor in collecting vehicle information module 12, wherein GPS is connected by the development board of serial ports with car-mounted terminal 10 with gyroscope, and fuel consume sensor is connected by low-power consumption bluetooth with tyre pressure sensor.The destination prediction module 13 of the present embodiment has needed study user's driving habits and has built destination forecast model and utilize two tasks in forecast model prediction user's trip purpose ground, destination.Its learning user driving habits, structure destination forecast model utilize history wheelpath data to be completed by off-line training, and be complete online when driving with predicting user's trip purpose.
The interest point data base 21 of the present embodiment is for preserving interest point information, interest point information mainly comprises interest point name, geographic position, functional attributes and descriptor, wherein descriptor is mainly used to be pushed to user, and the information in addition in point of interest can change as the case may be.The real time traffic data database 22 of the present embodiment is for preserving real time traffic data, and real time traffic data mainly refers to the real-time traffic condition of each road.User's driving habits database of the present embodiment is for preserving user's driving habits, and user's driving habits is characterized by transfer path conventional between a series of position.
In the present embodiment, the cycle set of system off-line training is 3 months, namely system can utilize history wheelpath data to learn user's driving habits, to build destination forecast model for every 3 months, and the user's driving habits database in lastest imformation push server.
In the present embodiment, system can in user's driving conditions real-time estimate user trip purpose ground, gather Current vehicle conditions information, and then the demand of estimating user, and according to user's request for user provides information needed for it, thus realize the accurate propelling movement of information.Fig. 4 gives the specific implementation step of information pushing, and wherein step 1,2,4 is completed by car-mounted terminal, and step 3 item is completed by Information Push Server.

Claims (10)

1. the intelligent information supplying system based on the prediction of vehicle destination, for predicting user's trip purpose ground, and the information requirement of user is judged in conjunction with the status information that vehicle is current, then be that it pushes relevant information according to the information requirement of user, thus realize the accurate propelling movement of information, it is characterized in that: be made up of car-mounted terminal and Information Push Server two parts: car-mounted terminal is information acquisition unit and the man-machine interaction unit of system, be responsible for collection vehicle status information, study user driving habits, prediction user trip purpose ground, user's car status information is sent to Information Push Server, driving habits and trip purpose ground, and the information that reception and display Information Push Server push, Information Push Server is the background service center of system, be responsible for user's car status information, driving habits and the trip purpose ground that reception car-mounted terminal sends over, judge the demand of user according to received information and information needed for automatic acquisition user, then push this information to car-mounted terminal,
Described car-mounted terminal comprises:
For preserving the history wheelpath database of user's history wheelpath data;
For the car status information acquisition module of collection vehicle status information;
For learning the destination prediction module on user's driving habits and prediction user trip purpose ground;
For receiving and show the receives information display module of the information that Information Push Server pushes;
Described Information Push Server comprises following content:
For preserving the information interest point data base of point of interest;
For preserving the real time traffic data database of real time traffic data;
For preserving user's driving habits database of user's driving behavior custom;
For the car status information that sends over according to car-mounted terminal and trip purpose ground, then in conjunction with user's driving habits and real time traffic data, judge the demand of user, and retrieve the information searching module of the information needed for it according to user's request;
For the result for retrieval of information searching module being pushed to the info push module of car-mounted terminal.
2., as described in the appended claim 1 based on the intelligent information supplying system of vehicle destination prediction, it is characterized in that: described car-mounted terminal is connected by wireless network with between Information Push Server; The history wheelpath data that described history wheelpath database is preserved represent with GPS point sequence, and gps data comprises timestamp, longitude and latitude, height above sea level, speed and direction of motion field; Described car status information acquisition module comprise processor, GPS, gyroscope and for collection vehicle situation other needed for sensor; Sensor in described car status information acquisition module is connected with processor by wired or wireless mode.
3. as described in the appended claim 1 based on the intelligent information supplying system of vehicle destination prediction, it is characterized in that: described destination prediction module utilizes history wheelpath off-line data to learn user's driving habits, build forecast model, then in conjunction with current line wheel paths prediction user's trip purpose ground.
4., as described in the appended claim 1 based on the intelligent information supplying system of vehicle destination prediction, it is characterized in that: the interest point information that described interest point data base is preserved can change in real time; The real-time road condition information of what described real time traffic data database was preserved is all roads in the city scope of vehicle place.
5., as described in the appended claim 1 based on the intelligent information supplying system of vehicle destination prediction, it is characterized in that: user's driving habits is characterized by the general routes of a position transfer to another one position by user.
6., as described in the appended claim 1 based on the intelligent information supplying system of vehicle destination prediction, it is characterized in that: the scope of described information searching module retrieving information had both comprised interest point data base and external interconnections network data.
7. utilize a kind of intelligent information method for pushing based on the prediction of vehicle destination of system described in any one of claim 1 ~ 6, it is characterized in that comprising following steps:
Step 1: utilize the wheelpath data in car status information acquisition module collection user setting-up time section, be saved in history wheelpath data database;
Step 2: utilize the data study user driving habits in history wheelpath data database, build destination forecast model, and user's driving habits is sent to Information Push Server;
Step 3: utilize car status information acquisition module to gather current vehicle condition information, utilizes forecast model prediction user's trip purpose ground, destination, and car status information and user's trip purpose is sent to Information Push Server;
Step 4: Information Push Server judges the demand of user and information needed for automatic acquisition user according to the car status information received and user's trip purpose, and pushes this information to car-mounted terminal;
Step 5: car-mounted terminal receives the information that also Information Push Server pushes.
8. method according to claim 7, is characterized in that history wheelpath data database upgrades at the end of user goes on a journey each time.
9. method according to claim 7, is characterized in that the work learning user's driving habits, build destination forecast model is that regular off-line completes.
10. method according to claim 7, constantly perform in user's driving procedure with it is characterized in that prediction user trip purpose, trigger condition comprise following more than one: the time interval that vehicle arrives new road, vehicle has travelled longer than setting or vehicle have travelled longer than the distance interval of setting.
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