CN108769950A - The car networking information system of connection automobile is netted towards V2X - Google Patents
The car networking information system of connection automobile is netted towards V2X Download PDFInfo
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- H—ELECTRICITY
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- 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]
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
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- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72415—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
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- H—ELECTRICITY
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Abstract
The car networking information system of connection automobile, including car-mounted terminal T-BOX, cell phone application client, server background system are netted towards V2X；One cell phone application client binds a car-mounted terminal T-BOX；Car-mounted terminal T-BOX is mounted on by OBD interfaces on automobile, and the car-mounted terminal T-BOX on every automobile can carry out ad hoc network with the automobile of other in communication context and be communicated by the special short-distance wireless communication modes of V2X (802.11p)；Car-mounted terminal T-BOX is communicated by 4G/5G wireless modes with server background system；The present invention is a car networking information system for combining the demand of the networking of current automobile and vehicle safety early warning, and the drawbacks of current bicycle communication is formed.
Description
Technical field
It is that one kind realizing that automobile is communicated wirelessly to each other by ad hoc network based on V2X the present invention relates to car networking technology field
Car networking information system.
Background technology
With the fast development of mobile Internet information technology and service, need of the consumer to automobile interconnection and intelligent transportation
Ask increasingly vigorous.More and more automobiles have installed T-BOX (Telematics BOX, vehicle-carrying communication controller), one side energy
It is enough that automobile is networked, best vehicle distributing strategy is calculated by server, to alleviate traffic pressure, while passenger can be made to enjoy
Internet resources bring better user experience；On the other hand by substituting the part of functions of automobile central control system, can alleviate
A part of processing pressure of automobile central control system.
Current market car networking embedded platform system (TCU/T-BOX) is mainly dominated by overseas enterprise, as Bosch,
The America and Europe such as Continential, Harman, Marelli, Peiker enterprise, enterprise of the Japan and Korea S such as Danso, LG.It is representative to have U.S.
The Anjis the Onstar star automobile safety information system of General Corporation of state, the G-Book intelligence the passenger side systems of Japanese Toyota Company are precious
" the Intelligent-Drive System " of Ma companies and the Ford Synchronization systems of Ford etc..Institute
There is the information exchange of these terminal devices to be all happened at vehicle and remote service center.Without significantly communicating row between vehicle and vehicle
For that cannot exchange mutual driving states information in time, lead to that there are cannot initiatively avoid potential traffic when accident potential
Accident occurs.
Currently, the domestic terminal device towards car networking has had topical application on car, it is more representational
There is the equipment of kinglong coach and the cooperative development of Hangzhou letter spring --- Suzhou gold dragon G-BOS car wisdom operation systems, Shan vapour and Hangzhoupro
Heavy truck " normal celestial movement " system and Yitong Passenger Train Co " An Jietong " platform that state letter spring Digital Equipment Co., Ltd is developed jointly, extensively
Vapour research institute is leading, Chinese workers Guangzhou digital applications research institute of engineering research institute of institute participates in, and lasts the T-BOX vehicles of research and development in 2 years
Information carrying ceases system product, is substantially and constantly acquires engine operation number by the terminal on car and heavy truck automobile
Behavior is manipulated according to, vehicle condition information, driver, while receiving GPS satellite location information record vehicle position, and is passed through
These information are passed to back-end data processing center by the 3G communication technologys, and the command information generated by backstage carries out automobile real
When safety management, oil mass be precisely controlled, the operations such as fast failure and intelligent maintaining.These car-mounted terminals incorporate data and adopt
The functions such as collection, vehicle identity information, visual parking device, automobile data recorder, navigation.Wherein, Guangzhou Automobile Workshop take the lead research and development T-BOX with it is general
Onstar BMW iDrive Toyota Gbook etc. are strong compared to the simple popularization of operation that has a clear superiority in terms of remote monitoring function.
T-BOX systems also have both vehicle-state inquiry, long-range start and stop hair in addition to having remote auto and diagnosing the general functions such as vehicle location
Advanced functions, the smart phone user such as biography only may be used automatically for motivation, remote switch door lock, remote control air-conditioning vehicle, exception information
To complete, to vehicle remote operation, can at every moment grasp information of vehicles by APP softwares.
Described in making a general survey of, the prior art still has following deficiency：
(1) vehicle-mounted monitoring and service system serve mostly to driving vehicle and provide road conditions information, guidance information, net
Network service and route or travel by vehicle being monitored, driving vehicle only passively receives remote service information in the process,
The danger that its running environment may occur can not predict in real time and early warning, system are unknown to benefiting for this vehicle drive safety
It is aobvious.
(2) existing vehicle-mounted terminal system is limited only to from the risk averse in vehicle sensing range, and there are " the letters of vehicle traveling
Cease isolated island " problem, information exchange is lacked between vehicle and vehicle, vehicle and trackside, this situation isolated from one another makes existing
System is not ideal enough to the effect and effect that inhibit traffic accident.
Further, since vehicle running fix has important use value, but the skill of vehicle location at present for traffic safety
Widely used art is the outdoor positioning technology based on GPS, and GPS signal is but highly susceptible to the interference and blocking of barrier,
In the environment such as intensive city area, tunnel, interior, position error is bigger, and precision is difficult to meet actual requirement.In order to realize
Efficient communication under automobile fast running and vehicle running fix demand, it is necessary to consider new to be exclusively used in communicating between vehicle and vehicle
Network access mode and means of communication, integrated multi-sensor information integrated navigation design intelligence connection car-mounted terminal of new generation and build
A full set of car networking information system.
Invention content
The technology of the present invention solves the problems, such as：In conjunction with the demand of the networking of current automobile and vehicle safety early warning, and work as
The drawbacks of preceding bicycle communication, the present invention provide a kind of car networking information system for netting connection automobile towards V2X.
Technical solution of the invention is：The car networking information system of connection automobile, including car-mounted terminal T- are netted towards V2X
BOX, cell phone application client, server background system；
One cell phone application client binds a car-mounted terminal T-BOX；Car-mounted terminal T-BOX is installed by OBD interfaces
On automobile, the car-mounted terminal T-BOX on every automobile can carry out ad hoc network and be passed through with the automobile of other in communication context
V2X modes are communicated；Car-mounted terminal T-BOX is wirelessly communicated with server background system；
Car-mounted terminal T-BOX obtains vehicle body status information, in real time by the vehicle body positioning posture information in vehicle body status information
And speed is sent to other automobiles within the scope of networking；Vehicle body status information is uploaded to server background system；Current phone
The vehicle body positioning posture information and speed that APP clients terminal T-BOX automobile mounted to surrounding is sent carry out navigation early warning and show；
When needing long-range control vehicle, relevant vehicle body is obtained from server background system by cell phone application client
Status information sends the car-mounted terminal T-BOX of dependent instruction extremely binding, corresponding according to instruction execution by car-mounted terminal T-BOX
Operation.
Further, the car-mounted terminal T-BOX includes V2X wireless communication modules circuit, body gesture acquisition and divides
Analyse circuit, microprocessor, voltage conversion circuit, memory circuit；
Wireless communication interface is arranged on microprocessor to connect with wireless communication interface circuit, by radio communication interface circuit
It is communicated with server background system；Body gesture acquisition is connected using UART modes with microprocessor with analysis circuit
It connects；OBD data acquisition units are set on microprocessor, are attached with the OBD interfaces on automobile, for obtaining vehicle body state
Information；Voltage conversion circuit by the DC voltage that vehicle-mounted OBD interfaces input be transformed to microprocessor, memory circuit and
Wireless communication interface circuit is powered.
Further, further include A/D converter circuit, digitized vehicular electricity storage cell voltage mainboard temperature is obtained by the circuit
Degree.
Further, further include binocular vision module, video traffic information is obtained by binocular vision module and is stored in
In memory circuit.
Further, car-mounted terminal T-BOX is received within the scope of networking after the information of other vehicles, and it is pre- to carry out risk of collision
It surveys, alarm is made a sound according to risk profile result.
Further, risk of collision prediction is accomplished in the following manner：
The algorithm model for building population General Neural Network PSO-GRNN, by vehicular gap, rear vehicle speed, opposite vehicle
As input quantity, risk probability obtains ripe PSO- as output quantity, by training for speed, braking time, braking deceleration
GRNN algorithm models；
Current vehicle terminal T-BOX according to the vehicle body positioning posture information of the surrounding vehicle of reception, using point-to-point transmission it is European away from
This vehicle surrounding vehicle headway all around is obtained from formula, and the vehicle position information obtained with vehicle-mounted camera is merged,
Determine final input quantity vehicular gap；Other are determined by the other information in the speed and vehicle body positioning posture information of reception
Input quantity；
By the PSO-GRNN algorithm models that the input of above-mentioned input quantity is ripe, it is general to obtain risk of the numberical range between 0-1
Rate；Defining corresponding risk class is：It is high [0~0.2), in (0.2~0.5], it is low (0.5,1]；According to different risk class
Send out different audio alarms.
Further, the memory circuit module include microcontroller carry Flash, inside Sdram, outside
Portion Sdram, outside Nor flash；External Sdram is attached using FSMC buses with microcontroller, and external Nor flash are logical
SPI interface is crossed to carry out information storage with microcontroller and exchange.
Further, the V2X wireless communication module circuits use UBX-P3 chips, are based on the special short distances of 802.11p
Wireless communication DSRC is communicated.
Further, the described body gesture acquisition and analysis circuit using the high accuracy positioning of Switzerland Co., Ltd u-blox and
Three-axis sensor integration module NEO-M8UDR obtains the position and attitude and movement state information of vehicle.
Further, the microprocessor uses the Cortex-A15 processors of ARM.
Further, wireless communication interface circuit includes two 4G/5G modules, passes through 2 UART respectively with microcontroller
Interface realizes information exchange；Two 4G/5G modules support mobile, unicom and telecommunication path card.
Further, mobile phone A pp clients be also equipped with long-range control vehicle, vehicle self-test, vehicle remote mandate, security of vehicle,
Real-time vehicle mark and playback, warning reminding, the vehicle-mounted WIFI of control and control driving video recording function.
Further, the long-range control vehicle includes the temperature control that preheating precooling is carried out to vehicle, can sets itself temperature
Degree and time；The real-time safe condition and remote control switch car door for monitoring car door, vehicle window, lock, skylight and boot,
Vehicle window, skylight and boot；It is long-range to start vehicle.
Further, mobile phone A pp clients are communicated by 4G/5G with car-mounted terminal T-BOX.
Further, the vehicle body status information includes vehicle body positioning posture information, speed, oil consumption, mileage travelled；Institute
It includes vehicle position information, posture information, the direction of motion, speed, acceleration and deceleration to state in vehicle body positioning posture information.
Further, server background system is set as the interface that third party's expanded application provides service.
Further, by the way that car-mounted terminal T-BOX is arranged on trackside means of transportation, make automobile and trackside means of transportation into
Row ad hoc network, trackside means of transportation are sent to by car-mounted terminal T-BOX the automobile in networking in real time in relevant information.
The present invention has the beneficial effect that compared with prior art：
The features such as present invention proposition adapts to the efficient wireless resource management demands of V2X, adaptive network structure quickly changes
Car-mounted terminal, and have both a full set of car networking information system of the remote monitoring functions such as navigation, mobile phone " mobile Internet+".It is more
Function vehicle-mounted intelligence connection terminal by V2X wireless modules by vehicle body status information --- 1) vehicle body location information, 2) by onboard diagnostics
System (OBD) obtains electric power and reads the vehicle information datas such as speed, oil consumption, mileage travelled, on the one hand selectively sends
With around 2000 meters in automatic networking vehicle, on the other hand oneself state data are uploaded onto the server database, Yong Hutong
It crosses cell phone application and remotely checks vehicle condition, and receive the value-added services such as vehicle health detection, remote control vehicle start and stop.
The present invention makes full use of influence power of the V2X technologies in terms of security improvement and traffic circulation, adapts to complicated and changeable
Environment meets car networking network Communication Development demand instantly：
First, V2X can make up bicycle intelligence weakness, bicycle intelligently under high-order automatic Pilot because sensor is to special scene
Identify it is limited cannot be satisfied demand for security, V2X brings over-distance environmental information to bring sensor important supplement.Improve traffic peace
It is the most important applications of V2X entirely, including：1) vehicle when find it is dangerous close on, such as front is when having barrier, Neng Gouji
When remind other vehicles；2) vehicle is it is possible to notify that the direction that other vehicles oneself are advanced, to help the driver of other vehicles to do
More accurately judge；3) it when close to intersection, is reminded to other vehicles；4) it when sailing out of expressway, is prompted to other vehicles；5)
Temporarily/early warning for stopping suddenly；6) prompting when vehicle modified line.
Secondly, the meaning of V2X biggers is to activate entire wisdom traffic, and then further decreases vehicle safety accident and carry
High traffic efficiency.
Third, unlike traditional TBOX terminals, terminal of the invention needs to meet the different nets that car networking network has
Network topological structure, terminal Move Mode, communication energy constrain and apply requirement of real-time；If directly using existing routine
The car networking system of communication means design, network can not be effectively accessed for the driving vehicle fast moved, needless to say
Effective interactive communication.
Description of the drawings
Fig. 1 is present system structure chart；
Fig. 2 is car-mounted terminal circuit diagram of the present invention；
Fig. 3 is the surrounding vehicle location posture schematic diagram that mobile phone A pp clients of the present invention are shown；
Fig. 4 is the weighing all around surrounding vehicle condition schematic diagram in traveling.
Specific implementation mode
1-4 and example elaborate to the present invention below in conjunction with the accompanying drawings.
Car networking information system proposed by the present invention includes：Car-mounted terminal T-BOX, cell phone application client and server end
Background system.As shown in Figure 1, a cell phone application client binds a car-mounted terminal T-BOX；Car-mounted terminal T-BOX conducts
One standalone module, fills mode after, and car is installed on by OBD interfaces；Car-mounted terminal T-BOX on every automobile can
Ad hoc network is carried out with other automobiles in communication context/trackside means of transportation and is communicated by V2X modes；
Car-mounted terminal T-BOX is wirelessly communicated with server background system.Present system can be one
Determine in spatial dimension (2km), passes through the positioning posture information and motion state of car-mounted terminal T-BOX mutual perception vehicle other side
(information such as the direction of motion, speed, acceleration and deceleration) realize (V2X) information exchange between vehicle and vehicle, vehicle and trackside means of transportation, tool
Standby navigation, driving video recording, long-range start and stop and control vehicle, anticollision early warning etc., and by server end background system and
The comprehensive means of cell phone application client realize vehicle early warning and vehicle body Partial controll, to be to prevent and reduce vehicle collision thing
Therefore solution route is provided, and provide technical support for the realization of intelligent traffic.
Lower mask body illustrates each part mentioned above.
One, car-mounted terminal T-BOX
Car-mounted terminal T-BOX is mounted in the embedded system for controlling tracking motor on automobile, is wrapped as shown in Fig. 2
Include V2X wireless communication modules circuit, body gesture acquisition and analysis circuit, microprocessor, voltage conversion circuit, memory electricity
Road, A/D converter circuit and binocular vision module.
Wireless communication interface is arranged on microprocessor to connect with wireless communication interface circuit, by radio communication interface circuit
It is communicated with server background system；Body gesture acquisition is connected using UART modes with microprocessor with analysis circuit
It connects；OBD data acquisition units are set on microprocessor, are attached with the OBD interfaces on automobile, for obtaining vehicle body state
Information；Voltage conversion circuit by the DC voltage that vehicle-mounted OBD interfaces input be transformed to microprocessor, memory circuit and
Wireless communication interface circuit is powered.Digitized vehicular electricity storage cell voltage mainboard temperature is obtained by A/D converter circuit；It is logical
Binocular vision module is crossed to obtain video traffic information and be stored in memory circuit.
First, the car-mounted terminal T-BOX after the power is turned on, completes system initialization work；Then at ARM Conrtex-A15
Manage device module, V2X wireless communication modules, body gesture acquisition and analysis circuit, microprocessor, voltage conversion circuit, memory
Circuit, A/D converter circuit and binocular vision module start to work normally.Binocular vision module melts respective vehicle position information
Vehicle location, the posture information for closing body gesture acquisition and analysis module are sent to periphery by V2X modules and support 802.11p
The vehicle or transit equipment of wireless communication protocol；The information that his vehicle is sent also is received simultaneously, ad hoc network is completed by program instruction, leads
Boat, anticollision warning function.
Secondly, the car-mounted terminal T-BOX, which also receives vehicle remote monitoring, the vehicle diagnostic service that cell phone application is sent, to be asked
It asks, and corresponding data is provided, be back to mobile phone terminal.
(1) OBD data acquisition units
OBD is the interface that vehicular manufacturer stays for vehicle diagnostics.Microcontroller ARM Contex-A15 utilize CAN
Function is detected and controlled by the completion of vehicle-mounted OBD interfaces as follows with UART protocol agreement：ACC detections, igniting detection, accumulator electricity
Press the controls such as the state-detections such as mainboard temperature detection, the detection of K lines, vehicle window, engine, car door, engine remote start, vehicle window is closed
Function processed.
(2) body gesture acquisition and analysis circuit
By the navigation of NEO-M8L automobile inertials (ADR, the Automotive that have merged movement, direction and height sensor
Dead Reckoning) module is integrated.Utilize the NEO-M8L gyroscopes carried and acceleration transducer and U-BLOX high-precisions
GNSS platforms M8 is integrated, and using UART modes and microprocessor communication, completes following function：The longitude and latitude of vehicle is fixed
Position, vehicle acceleration and angular velocity measurement, car speed resolve, altitude location residing for vehicle.
(3) V2X wireless communication modules circuit
The module uses U-BLOX DRSC/802.11p UBX-P3 chips, 5.9GHz frequency ranges, to realize in a certain range
The constructing communication network of (2KM), and the vehicle body positioning posture information of vehicle and speed are sent to owning in networking by the module
Vehicle.Vehicle in networking can carry out risk of collision prediction, then basis after being connected to the relevant information for receiving other vehicles
The result of risk profile is alarmed to make a sound, and is reminded driver to reach, is reduced the purpose of accident rate.The main work(of the circuit
It can be as follows：
1) wireless networking in certain area coverage is completed；
2) by vehicle body positioning posture information and speed by private radio communication mode (based on the special short distances of 802.11p without
Line communicates DSRC) it is sent to all vehicles in networking；
3) risk of collision prediction is carried out, alarm is sent out to the collision vehicle that may occur.
The risk of collision prediction is accomplished in the following manner：
The algorithm model for building population General Neural Network PSO-GRNN, by vehicular gap, rear vehicle speed, opposite speed
As input quantity, risk probability is having experiment as output quantity for (itself speed-front truck speed), braking time, braking deceleration
Under the analysis sample of support, the study for carrying out having supvised modes to these samples with General Neural Network is instructed by data
Experienced learning process, you can the characteristic relation between input and output is found out, after waiting for model stability structure, then by real-time
Receive new vehicle body state parameter information (vehicular gap, rear vehicle speed, opposite speed, braking time, braking deceleration)
It obtains exporting the Probability p that collision occurs accordingly*It is solution.In the training process, by PSO algorithms to GRNN
Model parameter smoothing factor spread is optimized.
Each T-BOX terminals are from after system parameters inspection and initializing successfully, and T-BOX is according to reception for current vehicle terminal
The vehicle body positioning posture information of surrounding vehicle obtains this vehicle surrounding following distance all around using point-to-point transmission Euclidean distance formula
From, and merged with the vehicle position information (information obtained for binocular vision module in this example) that vehicle-mounted camera obtains,
Determine final input quantity vehicular gap；Other are determined by the other information in the speed and vehicle body positioning posture information of reception
Input quantity；
By the PSO-GRNN algorithm models that the input of above-mentioned input quantity is ripe, it is general to obtain risk of the numberical range between 0-1
Rate；Defining corresponding risk class is：It is high [0~0.2), in (0.2~0.5], it is low (0.5,1]；According to different risk class
Send out different audio alarms.To driver's early warning, brake pedal is manipulated by driver, keeps brake pedal defeated
Go out corresponding brake force and carries out retarding braking.Typically driver disposably operates, entire manipulation process actually driver
Determine that the selection of brake force is different in the relative velocity and position for carrying out different.Therefore, to the control of braking process reality
It is exactly that effective brake force is provided according to braking distance and relative velocity on border, ensures that automobile can avoid bumping against with front truck.
(4) wireless communication interface circuit
Wireless communication interface circuit includes two 4G/5G modules, with microcontroller respectively by 2 UART interfaces come real
Existing information exchange；Two 4G/5G modules support the communication cards such as mobile, unicom and telecommunications.The major function of the module is as follows：
1) 4G/5G network organizings are realized, complete retailer service platform, vehicle intelligent terminal system, mobile phone A pp and its
Information interchange between its third party；
2) WIFI services are provided for car driver and passenger, increases the comfortable satisfaction of driver and passenger；
3) after the driving custom of various status informations or user that vehicle comes being sent to server end by 4G/5G networks
Platform system.
(5) memory circuit
Memory circuit module includes that microcontroller carries Flash, inside Sdram, outside Sdram, outside Nor
Tetra- parts flash.External Sdram is attached using FSMC buses with microcontroller, and external Nor flash pass through SPI interface
Information storage is carried out with microcontroller and is exchanged.The major function of the circuit module is to realize the storage of program and temporary variable.
(6) voltage conversion circuit
The major function of voltage conversion circuit module is to realize that the 12V DC voltage for inputting vehicle-mounted OBD interfaces is converted into
The required various supply voltages of vehicle intelligent terminal system.
(7) microprocessor
Microprocessor is the core of the car-mounted terminal, is responsible for the control and acquisition of signal.Since the application needs to use
To at least four UART interface, 3 SPI interfaces, 1 I2C interface, 1 32 FSMC bus, 1 12 ADC controller and
Several GPIO interfaces with external interrupt Trigger Function, using the Cortex-A15 processors of ARM.The controller is mainly completed
Following function：
1) battery tension mainboard temperature is detected by ADC modes；
2) vehicle-mounted OBD interface messages are handled；
3) it is communicated with wireless communication interface circuit, and other modules is sent out according to wireless communication interface circuit information
Control instruction；
4) program and temporary variable are stored and is called；
5) networking is carried out to the vehicle in V2X communication ranges, and completed between vehicle and vehicle, vehicle and trackside means of transportation
Communication.
(8) binocular vision module
Video traffic information is obtained under the control of cell phone application client, and memory is stored in by way of bluetooth
Circuit 4, while generating vehicle distances data.
Two, cell phone application client
Cell phone application client is installed on by mobile phone A pp software forms in the mobile phone of user, Android can be utilized soft
Part development platform is developed；
Mobile phone A pp clients are capable of the vehicle body positioning posture information and speed of terminal T-BOX transmissions automobile mounted to surrounding
It carries out navigation early warning to show, as shown in Figure 3.
Mobile phone A pp clients further include following function：
Long-range control vehicle function：1) temperature that preheating precooling is carried out to vehicle controls, can sets itself temperature and time；2) real
When monitoring car door, vehicle window, lock, the safe condition and remote control switch car door of skylight and boot, vehicle window, skylight and
Boot；3) vehicle is remotely started by APP.
Vehicle self-checking function：The health status of T-BOX collection vehicles is operated by cell phone application, generates Self-Check Report, oil consumption
Analysis.
Control vehicle-mounted 4G WIFI functions：Multiple devices online can be connected simultaneously by controlling car WIFI.
Vehicle remote mandate：Remote authorization can allow car owner temporarily by vehicle using remote authorization to other people, allow car owner
Love vehicle can be shared at any time with other people, and can be to authorizing start and end time setting, to car door, vehicle window, lock, boot, vehicle
Locking, support vehicles safety.
Navigation feature：By inputting navigation purpose in cell phone application, you can by real-time navigation push to cell phone application end and
Car-mounted terminal.
Security of vehicle function：Has vehicle-mounted fire wall (preventing automobile hacker), vehicle anti-theft is robbed (when car owner accidentally loses
Key or vehicle are driven away by criminal, and at this moment car owner's mobile phone will receive alarm, car owner can by " Vehicle locking " function, one
Key lock vehicle forbids vehicle illegally to start again after vehicle stall, support vehicles safety).
Real-time vehicle mark and playback function：By " real-time vehicle mark and playback " function, vehicle position can be checked at any time,
Check simultaneously the history driving trace of vehicle subsection, mileage, oil consumption, drive anxious operation data (bring to a halt, it is anxious accelerate, racing
It is curved), reflect the driving behavior of driver in real time.
Warning reminding function：When vehicle body is abnormal change, and vehicle event is stolen in doubtful generation, when which understands first
Between alert synchronous with cell phone application end.
Control driving video recording：The binocular vision module of control car-mounted terminal T-BOX regards driving front situation
Frequency records, the overall process of complete documentation collision accident, avoids the presence of the sorry of leakage bat accident.Simultaneously by the LED of camera border
It is transformed, is allowed to easily be found by his vehicle, plays certain warning function to his vehicle.
Three, server end background system
Data management is carried out to the resource information of each car-mounted terminal T-BOX, and receives the number that each cell phone application client is sent
According to progress data processing and passback；Meanwhile providing service interface for third party's expanded application.The angle realized from function, service
Device end background system may include T-BOX information management subsystems, third party's expanded application (such as：Weather, road conditions etc.) etc..
T-BOX information management subsystems can also be responsible for through 4G/5G networks to specified car-mounted terminal T-BOX or hand
Machine App clients send software upgrading prompting, verification user information etc., and receive car-mounted terminal T-BOX and mobile phone A pp client
The interactive information at end.
Finally it should be noted that：The foregoing is merely the preferred embodiments of this patent, are not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (17)
1. netting the car networking information system of connection automobile towards V2X, it is characterised in that：Including car-mounted terminal T-BOX, cell phone application visitor
Family end, server background system；
One cell phone application client binds a car-mounted terminal T-BOX；Car-mounted terminal T-BOX is mounted on automobile by OBD interfaces
On, the car-mounted terminal T-BOX on every automobile can carry out ad hoc network with the automobile of other in communication context and pass through V2X short distances
Communication is communicated；Car-mounted terminal T-BOX is wirelessly communicated with server background system；
Car-mounted terminal T-BOX obtains vehicle body status information, in real time by the vehicle body positioning posture information and vehicle in vehicle body status information
Speed is sent to other automobiles within the scope of networking；Vehicle body status information is uploaded to server background system；Current phone APP visitors
The vehicle body positioning posture information and speed that family end terminal T-BOX automobile mounted to surrounding is sent carry out navigation early warning and show；
When needing long-range control vehicle, relevant vehicle body state is obtained from server background system by cell phone application client
Information sends dependent instruction to the car-mounted terminal T-BOX of binding, is operated accordingly according to instruction execution by car-mounted terminal T-BOX.
2. system according to claim 1, it is characterised in that：
The car-mounted terminal T-BOX includes V2X wireless communication modules circuit, body gesture acquisition and analysis circuit, microprocessor
Device, voltage conversion circuit, memory circuit；
Wireless communication interface is arranged on microprocessor to connect with wireless communication interface circuit, by radio communication interface circuit and clothes
Business device background system is communicated；Body gesture acquisition is attached using UART modes with microprocessor with analysis circuit；It is micro-
OBD data acquisition units are set on processor, are attached with the OBD interfaces on automobile, for obtaining vehicle body status information；Electricity
Voltage conversion circuit carries out the DC voltage that vehicle-mounted OBD interfaces input to be transformed to microprocessor, memory circuit and channel radio
Letter interface circuit is powered.
3. system according to claim 2, it is characterised in that：Further include A/D converter circuit, number is obtained by the circuit
The vehicular electricity storage cell voltage mainboard temperature of change.
4. system according to claim 2, it is characterised in that：Further include binocular vision module, passes through binocular vision module
It obtains video traffic information and is stored in memory circuit.
5. system according to claim 1 or 4, it is characterised in that：Car-mounted terminal T-BOX receives within the scope of networking other
After the information of vehicle, risk of collision prediction is carried out, alarm is sent out according to risk profile result.
6. system according to claim 5, it is characterised in that：The risk of collision prediction is accomplished in the following manner：
The algorithm model for building population General Neural Network PSO-GRNN, by vehicular gap, rear vehicle speed, opposite speed, system
As input quantity, risk probability obtains ripe PSO-GRNN algorithms as output quantity, by training for dynamic time, braking deceleration
Model；
Current vehicle terminal T-BOX utilizes point-to-point transmission Euclidean distance public affairs according to the vehicle body positioning posture information of the surrounding vehicle of reception
Formula obtains this vehicle surrounding vehicle headway all around, and the vehicle position information obtained with vehicle-mounted camera is merged, and determines
Final input quantity vehicular gap；Other inputs are determined by the other information in the speed and vehicle body positioning posture information of reception
Amount；
By the PSO-GRNN algorithm models that the input of above-mentioned input quantity is ripe, risk probability of the numberical range between 0-1 is obtained；It is fixed
The corresponding risk class of justice is：It is high [0~0.2), in (0.2~0.5], it is low (0.5,1]；It is sent out not according to different risk class
Same alarm.
7. system according to claim 2 or 4, it is characterised in that：The memory circuit module includes microcontroller
The included Flash in inside, inside Sdram, outside Sdram, outside Nor flash；External Sdram uses FSMC buses and microcontroller
Device is attached, and external Nor flash carry out information storage with microcontroller by SPI interface and exchange.
8. system according to claim 2, it is characterised in that：The V2X wireless communication module circuits use UBX-P3
Chip is communicated based on the special short-distance wireless communication DSRC of 802.11p.
9. system according to claim 2, it is characterised in that：The body gesture acquisition uses Switzerland with analysis circuit
The high accuracy positioning and three-axis sensor integration module NEO-M8UDR of company u-blox obtains the position and attitude and movement shape of vehicle
State information.
10. system according to claim 2, it is characterised in that：The microprocessor uses at the Cortex-A15 of ARM
Manage device.
11. system according to claim 2, it is characterised in that：Wireless communication interface circuit includes two 4G/5G modules,
With microcontroller information exchange is realized by 2 UART interfaces respectively；Two 4G/5G modules support mobile, unicom and electricity
Believe communication card.
12. system according to claim 1, it is characterised in that：Mobile phone A pp clients are also equipped with long-range control vehicle, vehicle certainly
Inspection, vehicle remote mandate, security of vehicle, real-time vehicle mark and playback, warning reminding, the vehicle-mounted WIFI of control and control driving video
Writing function.
13. the system according to claim 1 or 12, it is characterised in that：The long-range control vehicle includes being carried out in advance to vehicle
The temperature control of heat precooling, can sets itself temperature and time；The peace of monitoring car door, vehicle window, lock, skylight and boot in real time
Total state and remote control switch car door, vehicle window, skylight and boot；It is long-range to start vehicle.
14. system according to claim 1, it is characterised in that：Mobile phone A pp clients pass through 4G/5G and car-mounted terminal T-
BOX is communicated.
15. system according to claim 1, it is characterised in that：The vehicle body status information includes vehicle body positioning posture
Information, speed, oil consumption, mileage travelled；Described in vehicle body positioning posture information includes vehicle position information, posture information, movement
Direction, speed, acceleration and deceleration.
16. system according to claim 1, it is characterised in that：Server background system is set as third party's expanded application
The interface of service is provided.
17. system according to claim 1, it is characterised in that：By the way that car-mounted terminal T- is arranged on trackside means of transportation
BOX, makes automobile carry out ad hoc network with trackside means of transportation, and trackside means of transportation are real by car-mounted terminal T-BOX in relevant information
When be sent to automobile in networking.
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| CN201810815886.3A CN108769950A (en) | 2018-07-24 | 2018-07-24 | The car networking information system of connection automobile is netted towards V2X |
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