CN103594002B - A kind of vehicle security system - Google Patents
A kind of vehicle security system Download PDFInfo
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Abstract
Description
Technical field
The present invention relates to intelligent traffic message area, particularly to a kind of vehicle security system.
Background technology
According to statistics, the automobile pollution of current CONTINENTAL AREA OF CHINA has reached 1.14 hundred million, and leads because of traffic accident every year Cause casualties to have reached about 100,000 people.The thing additionally, shunt into one another on the bad weather high speed highways such as sleet mist ice Therefore take place frequently, the Socie-economic loss that the direct losses thus caused and road closure cause is huge.So, vehicle is badly in need of wanting a set of active Security system, it is possible to provide detailed road traffic situation, such as front 200 for driver under various severe weather conditions Vehicle in the range of meter and the Traffic Information of pedestrian, and automatically controlled by automobile under some urgent dangerous situations Braking or steering carry out pro-active intervention, thus the traffic accident avoiding accidental collision and causing.
The active safety systems of vehicles being currently known is mainly based upon higher-frequency radar, infrared sensor, laser and camera In device, front vehicles and pedestrian are detected.But, this based on radar, infrared, laser and the active safety of camera The reliability of early warning system is affected by weather, light, massif, building etc., and detection range is shorter, typically 100 meters with In.This type of price based on higher-frequency radar, infrared, laser and shooting first-class device active safety system is the most sufficiently expensive, at present Only application is with in the part high-end vehicles of new listing, and popularization is poor, it is impossible to provide popular safety to drive for existing vehicle Sail service.
Summary of the invention
The technical problem to be solved is, for the deficiencies in the prior art, it is provided that a kind of vehicle safety protection is System, the spacing to reach to be applied between vehicle, between vehicle and pedestrian controls, to avoid occurring the purpose of accident collision.
The technical problem to be solved is, can monitor traffic in real time and traffic lights are carried out intellectuality Control.
For solving above-mentioned technical problem, the technical scheme is that a kind of vehicle security system, including service Device, body control system, communication positioning device, mobile terminal locating module that described communication positioning device includes being connected, Client application module, described client application module is by network and server communication, described body control system bag Include car body controller and the vehicle communications device of client application module communication；
Described server, for according to mobile terminal locating module collection the user that sent by client application module Location information and user state information, by data feedback to client application module after process；
Described client application module, for according to server provide data, analyze, identify nearby users away from From, distance is reported to the police to client application module place user less than during safe distance setting value.
Described client application module includes the motor vehicle pattern on motor vehicle and the row on bicycle People's pattern；
In motor vehicle pattern, when client application module place user and nearby users distance are less than safe distance setting value Time, client application module is also signaled to car body controller, reports to the police and controls car braking or turn to；
Pedestrian mode, when client application module place user and nearby users distance are less than safe distance setting value Time, client application module sends alarm signal.
Described communication positioning device includes mobile phone, removable computer, vehicle navigator.
Described client application module is arranged on described mobile phone, removable computer or vehicle navigator.
Described network includes cell phone network and internet.
Described client application module exports the user of server and positions information and user state information includes user Coordinate, time, speed, travel direction, recognition code information, server is sent to client application module after carrying out statistical analysis Each user state information also include identification generation of position coordinates, time, speed, travel direction, mobile terminal locating module Code information.
When client application module receives the user state information that server is sent, by by the current time of system and The time data of each target subtracts each other, then difference is multiplied with the speed of each target and draws displacement difference, thus show that nearby users is new Position coordinates, make up the alternate position spike that data transmission delay causes.
The present invention uses said structure, has the advantage that 1, shows the vehicle location near user on electronic chart. Vehicle travels danger warning prompting, carries out danger warning by calculating with the distance and speedometer of vehicle periphery target.Road pedestrian Defencive function, carries out danger warning by calculating with the distance and speedometer of pedestrian's surrounding vehicles；2, to equipping electric control braking or turning To the vehicle of system, when emergency risks situation occurs in vehicle, client software not only can carry out danger warning, also can be to vehicle Electric control braking or steering send control command and carry out pro-active intervention braking or turn to；3, the present invention utilizes the most very The communication positioning devices such as universal smart mobile phone achieve the location, position of vehicle and pedestrian and test the speed, it is to avoid other existing skills The radar that art uses, infrared, laser and camera etc. are expensive and reliability is affected by weather, light, massif, building etc. Sensor.Meanwhile, the present invention uses the most universal internet and cell phone network, it is achieved that between car and car, Communication between car and pedestrian.The present invention has low cost, it is easy to universal, significant advantage such as grade easy to use.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings；
Fig. 1 is the logical construction block diagram of the present invention；
Fig. 2 is the control flow chart of the present invention；
Fig. 3 is data transmission lag backoff algorithm flow chart in the present invention；
In Fig. 4 present invention, the road conditions in communication positioning device process and judge control flow chart；
In FIG, 1, body control system；2, communication positioning device；3, server；4、
Vehicle communications device；5, mobile terminal locating module；6, network；8, client application module.
Detailed description of the invention
A kind of vehicle security system as shown in Figure 1, including server 3, body control system 1, communication positioning device 2, communication positioning device 2 includes mobile terminal locating module 5, the client application module 8 being connected, client application module 8 By network 6 and server 3 communication, body control system 1 includes car body controller and the car of client application module 8 communication Carrier communication device 4, by bluetooth or data wire communication between vehicle communications device 4 and client application module 8；Described service Device 3, positions information and user for the user gathering according to mobile terminal locating module 5 and being sent by client application module 8 Status information, by data feedback to client application module 8 after process；Described client application module 8, for according to service Device 3 provide data, analyze, identify the distance of nearby users, distance less than during safe distance setting value to client application mould Block 8 place user reports to the police.
Client application module 8 includes the motor vehicle pattern on motor vehicle and the pedestrian's mould on bicycle Formula；In motor vehicle pattern, when client application module 8 place user and nearby users distance are less than safe distance setting value, Client application module 8 is also signaled to car body controller, reports to the police and controls car braking or turn to；Pedestrian mode, when When client application module 8 place user and nearby users distance are less than safe distance setting value, client application module 8 sends Alarm signal.
The computing formula of safe distance is: S=(V2/2a)*φ;(S is safe distance, and V is speed, and a is that vehicle is promptly made Dynamic braking deceleration, determines according to the car load data that vehicular manufacturer provides, φ is safety coefficient, according to different vehicle type Demarcate), such as:
1, vehicle velocity V > 27.8m/s(100Km/h), the braking deceleration of vehicle is 4m/s2Time, the safety coefficient of vehicle calibration φ is 1.6, then safe distance is V2/5m；
2, speed 27.8m/s >=V > 8.3m/s(30Km/h), the braking deceleration of vehicle is 4m/s2Time, the safety of demarcation System is 1.2, then safe distance is V2*3/20m；
3, speed 8.3m/s >=V, the braking deceleration of vehicle is 4m/s2Time, safety coefficient φ of vehicle calibration is 1, then Safe distance is V2/8m。
Communication positioning device 2 includes mobile phone, removable computer, vehicle navigator.Client application module 8 is arranged on described On mobile phone, removable computer or vehicle navigator, it is ensured that be equipped with client application module on pedestrian, bicycle, motor vehicle 8.Client application module 8 can be installed by download, easy to use.Network 6 includes cell phone network and internet, communication location dress Put and server exchange data.Communication positioning device passes through vehicle communications device 4 by the network of communication positioning device Yu vehicle (CAN, MOST etc.) are attached, and obtain car status information and transmit the information of the neighbouring vehicle obtained from server.Communication Positioner client application module 8 is by internet or cell phone network, including but not limited to obtain car from vehicle network Running condition information and communication positioning device in the coordinates of integrated mobile terminal location 5 output, time, speed, direction It is sent to server 3 etc. information.
Client application module 8 output positions information to the user of server 3 and user state information include user coordinates, Time, speed, travel direction, recognition code information, server is sent to the every of client application module 8 after carrying out statistical analysis Individual user state information also includes the cognizance code letter of position coordinates, time, speed, travel direction, mobile terminal locating module 5 Breath.
When client application module 8 receives the user state information that server 3 is sent, by by the current time of system Subtract each other with the time data of each target, then difference is multiplied with the speed of each target draws displacement difference, thus draw nearby users New position coordinates, makes up the alternate position spike that data transmission delay causes.
Client application module 8 connects with server and the judgement of road traffic situation for communication positioning device.Service Device 3, for the position of statistical computation all communication positioning devices transmission and car status information, provides a user with Travel vehicle simultaneously Road traffic situation around and car status information.
Legacy system increases vehicle-carrying communication module, electric controlled brake system and automatically controlled steering, it is possible to realize tight The autonomous collision avoidance function of vehicle in the case of urgency.Communication positioning device is responsible for determining the location information of user, and client software is responsible for Being connected with server by communication positioning device, server is responsible for storing the location information of each user and by integrated location information Pass to the communication positioning device of each user.Vehicular communication unit is responsible for and communication location dress by bluetooth or data wire communication Put communication, the distributed intelligence of surrounding vehicles, pedestrian is passed to electric controlled brake system and/or automatically controlled steering, it is achieved be dangerous alert Announcement and the pro-active intervention to vehicle.Client software can provide both of which: motor vehicle pattern and pedestrian mode, both moulds Formula can be selected voluntarily by user, it is possible to is automatically identified by the difference of translational speed by client software.This client is soft Part passes through internet/cell phone network, and location information and the car status information of user are sent to server.Server will obtain A region in after the location information of all users and car status information carry out integrated process, be sent to ask this type of information User.The data that client software provides according to server, analyze, judge and identify and neighbouring pedestrian and the distance of vehicle, And issue the user with alarm when necessary.The neighbouring pedestrian received due to client software and the location information of vehicle are stagnant After in the current moment, client software, before using the location information of other users, needs the position causing time lag Put error to compensate.When client software is in motor vehicle pattern and vehicle outfit electric controlled brake system or automatically controlled steering Time, occurring that spaces of vehicles is crossed near or time distance pedestrian crosses near, in addition to carrying out danger warning, it is also possible to and to electric control braking or Steering sends the intervention that control command carries out actively braking or turning to, thus the generation of collision free accident.Enter at vehicle Have the early warning stage before row braking, and when implementing actively to brake, vehicle running state information can be sent to by client application module Server, neighbouring vehicle just can learn its driving intention, it is to avoid knocks into the back.
The control of the realization of a kind of based on internet/cell phone network the active safety systems of vehicles that Fig. 2 designs for the present invention Flow chart processed.After service routine starts, the client software of communication positioning device performs step S1, it may be judged whether be in motor-driven Car pattern, when condition is that true time performs step S2, is sent to the location information in communication positioning device and car status information Server, when condition is that the location information in communication positioning device is sent to server by fictitious time execution step S3.Step S4 is Server carries out statistical computation, draws the road traffic situation of this communication positioning device position annex.Then step S5, clothes are performed Calculating gained road traffic situation is sent to communication positioning device terminal by business device.Communication positioning device terminal receives server and returns After multiple information, perform step S6 and road traffic condition is carried out judgement process.Step S7 judges whether service routine has end Request, if service routine is without ending request, then jumps to step S1 and starts new circulation, otherwise terminate program.
The real time data backoff algorithm time lag flow chart of the communication positioning device client of Fig. 3 present invention.Client The data being sent to server include the recognition code information of position coordinates, time, speed, travel direction, positioner.Service Device is sent to each target of client and also includes position coordinates, time, speed, travel direction, location after carrying out statistical analysis The recognition code information of device, when client receives these target informations, by by the current time of system and each target Time data subtracts each other, then difference is multiplied with the speed of each target and draws displacement difference, thus draws the position coordinates that target is new, more The alternate position spike that complement causes according to transmission delay.It is reduced to Mathematical Modeling as follows:
First, user is sent to the client data of server and is:
It is assumed that server is through statistical computation, draw near client, have three targets, the number that server sends to client According to for: Three groups of data, when client finishes receiving data, the current location data of user is:
By real time data backoff algorithm time lag, the position that three targets calculating are new is as follows:
New data after compensated calculating, it is provided that carry out judgement process to client software.
The road conditions of the communication positioning device client of Fig. 4 present invention process and judge control flow chart.Work as communication positioning device The software of client start to receive traffic information carry out judgement process time, J1 step is first carried out, carries out with surrounding objects Spacing and speed judge whether safety.If the result judged is carried out step J2 as safety, the normal road conditions showing vehicle periphery Information, directly exits road information and judges processing routine after having performed J2 step, otherwise perform step J3, to danger classes and Vehicle judges with or without electric control braking or steering.If the result of J3 step is false, it is carried out J4 step, the corresponding danger of display Danger alerts and provides voice message, directly exits road information and judges processing routine, otherwise perform J5 after having performed J4 step Step, carries out active safety service, and communication positioning device client software sends to vehicle electrically controlling braking or steering and controls Order carries out the intervention actively braked or turn to, it is to avoid the generation of security incident.Execution completes J5 step backed off after random road information Judge processing routine.
The example situation using the present invention is as follows: a running car on a dim street, electric motor car from The lane of vertical direction drives towards street.Driver and electric motor car driver be not the most within the visual field of the other side.Automobile is driven Mobile phone with the person of sailing notes suddenly the discrepancy vehicle of right front, automobile automatic retarding simultaneously by voice reminder driver；Electricity The mobile phone of motor-car driver also sends similar voice message, thus avoids unexpected collision accident.
According to statistics, the recoverable amount of current CONTINENTAL AREA OF CHINA only smart mobile phone one, more than 3.6 hundred million, has almost arrived each The degree that adult is one.The communication positioning device used due to the present invention contains mobile phone, the flat board popularized the most very much Computer and laptop computer etc., and the communication network used is the internet or cell phone network popularized the most very much, and user only needs The portable communication appts of oneself is installed client software, client application module 8 is installed, it becomes possible to easily obtain vehicle Active safety related service.The present invention can be all drivers having communication positioning device and pedestrian obtains the most easily Traffic safety related service, is very easy to universal, and is not affected by weather, light, massif, building etc..
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way Restriction, as long as have employed the various improvement that technical scheme is carried out, or the most improved directly apply to other occasion , all within protection scope of the present invention.
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Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant before: Wuhu Bethel Automotive Secure Systems Ltd. |
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