CN109949612A - Ghost probe accident pre-alarming system based on information exchange - Google Patents
Ghost probe accident pre-alarming system based on information exchange Download PDFInfo
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Abstract
The present invention discloses the ghost probe accident pre-alarming system based on information exchange, by Chinese herbaceous peony detection module, arduino development board, position locating module, communication module, interior voice alarm module, the outer voice alarm module of vehicle and Vehicular display device composition, pedestrian detection module is made of two ultrasonic radars, and it is separately mounted to a left side for automobile head, in right two sides, the output end of two ultrasonic radars and the output end of position locating module are electrically connected with the signal input part of arduino development board, the control terminal of the arduino development board input terminal with interior voice alarm module respectively, the input terminal of the outer voice alarm module of vehicle and the input terminal of Vehicular display device control connection, communication module is bi-directionally connected with arduino development board.Compared with prior art, it can be realized the two-way early warning of people's vehicle, eliminate the security risk of pedestrian blind area, be effectively prevented from the generation of terrible probe accident, security system is high, and expands the sensing range effect of vehicle.
Description
Technical field
The present invention relates to traffic safety technology field, in particular to a kind of ghost probe accident early warning system based on information exchange
System.
Background technique
National statistics office data is shown, with the development of communication and the promotion of national economy level, the whole nation in 2018
Vehicle guaranteeding organic quantity is up to 3.2 hundred million, and this number is also continuing to increase.The substantial increase of vehicle guaranteeding organic quantity is so that traffic thing
Therefore also increase severely therewith, only 2018, whole world number dead due to traffic accident was as high as 1,350,000, and number of injured people is even more to reach
50,000,000, hundreds billion of dollars of direct economic loss is caused, in pedestrian rider's accident, pedestrian is with being often in weak tendency
Position, national statistics office data show that pedestrian rider's traffic accident lethality is up to 53.5%, are that annual traffic accident totally causes
1.7 times of dead rate." ghost probe " accident is the case that takes place frequently of this kind of traffic accident, when vehicle is in normally travel, side
Vehicle is in static or lower-speed state, driver by its view obstruction, can not find in time its pedestrian for passing through of front and
Cyclecar, it is difficult to effectively be avoided, so as to cause traffic accident.Due to this kind of accident occur emergentness and
The fragility of pedestrian, for such accident once occurring, pedestrian is often non-dead i.e. severely injured.Oversize vehicle, such as bus, truck,
It will cause bigger blind area, " ghost probe " traffic accident easily occur, brings about great losses to the security of the lives and property.
Solve the Related product of " ghost probe " accident not yet both at home and abroad at present, and there are mainly two types of currently existing schemes, state
Department of Intellectual Property, family proposes a kind of " ghost probe traffic accident early warning by HeFei University of Technology disclosed on December 11st, 2018
System and method ", this scheme is detected using the camera and ultrasonic wave of vehicle itself installation, using transcription and text
The method that word is shown carries out early warning, reminds other vehicle drivers and pedestrian；This scheme is transformed to vehicle itself, vehicle
Monitoring, analysis, early warning by same vehicle device complete, effectively this information can not be passed, it is difficult to be determined
To early warning；Correspondingly, State Intellectual Property Office proposes a kind of " spot by China Mining University disclosed on October 12nd, 2018
Vehicle and pedestrian mutually knows and method for early warning for horse line ' ghost probe ' ", this scheme is intended to solve " ghost probe " accident at intersection,
The method detected using monitoring camera discovery pedestrian, is sent warning information to the multimedia terminal of pedestrian and driver and come
Such accident is avoided to occur.But since equipment is limited to intersection, working range receives very big limitation.
For existing automatic driving vehicle, vehicle is individually completed in driving process by as independent individual
Information is collected and analysis, foundation of the sensing data of vehicle itself as automatic Pilot；In the process of moving, vehicle obtains letter
Limitation is just exposed when breath: when having pedestrian to pass through before front vehicles, due to the presence of blind area, front vehicle can not understand
This information, it is difficult to dangerous information is obtained in time makes counter-measure, easily generation traffic accident.
In view of this, the present inventor furthers investigate the above problem, generated then by this case.
Summary of the invention
The ghost probe accident pre-alarming system that the purpose of the present invention is to provide a kind of based on information exchange, can effectively examine
Under the premise of surveying danger, extend the intelligence sensor range of vehicle itself by sharing the sensing data of vehicle, so that all
Accurately and effectively warning information can be obtained by enclosing vehicle, avoid the generation of peril, and security system is high.
In order to achieve the above objectives, solution of the invention is:
Ghost probe accident pre-alarming system based on information exchange, it is fixed by Chinese herbaceous peony detection module, arduino development board, position
Position module, communication module, voice alarm module and Vehicular display device composition, above-mentioned pedestrian detection module is by two ultrasonic radars
Composition, two ultrasonic radars are separately mounted in the arranged on left and right sides of automobile head, for detect vehicle front whether have pedestrian or
Motor vehicle is laterally current, and position locating module, arduino development board and communication module are mounted on car inside, and position is fixed
The antenna of position module and communication module connects with the shell of automobile, and above-mentioned Vehicular display device is installed in automobile in automobile
On the right side of instrument board, voice alarm module has interior voice alarm module and the outer voice alarm module of vehicle, above-mentioned car voice reporting
Alert module is mounted on car inside and is located at by above-mentioned Vehicular display device, and the outer voice alarm module of above-mentioned vehicle is mounted on automobile head
Place is simultaneously embedded in car inside, the output end of the output ends of two ultrasonic radars and position locating module with arduino development board
Signal input part electrical connection, the control terminal of arduino development board respectively with the input terminal of interior voice alarm module, vehicle foreign language
The input terminal of sound alarm module and the input terminal of Vehicular display device control connection, and above-mentioned communication module and above-mentioned arduino are developed
Plate is bi-directionally connected.
Above-mentioned ultrasonic radar is mounted at the position on automobile head front side wall and close to automobile head side 0.5m.
Above-mentioned position locating module is Beidou/GPS dual-mode navigation positioning module, and above-mentioned communication module is that HC-12 wirelessly goes here and there
Port communications module.
Ghost probe accident pre-alarming system based on information exchange, is realized using following steps:
Whether step 1 has within the scope of pre-determined distance using in front of two above-mentioned ultrasonic radar real-time detection current vehicles
Pedestrian or cyclecar transverse crossing, and the collected data of two ultrasonic radars are sent to arduino development board in real time；
Meanwhile obtaining the location data of current vehicle in real time using above-mentioned position locating module and data are parsed, it obtains current
The driving information of position, speed and course when vehicle driving, and this driving information is sent to arduino in real time
Development board, after arduino development board receives and real-time current two groups of front and back driving information data of preservation vehicle；
Step 2, arduino development board judge whether front has according to the data that the ultrasonic radar received is sent
Pedestrian, then the driving information of cooperation position locating module judge whether current vehicle causes position to pedestrian, finally
Judge that whether generating its vehicle front has pedestrian and cause dangerous pre-warning signal；If arduino development board receives when judgement
To ultrasonic radar before and after distance value variation twice be greater than 15% when judge there is pedestrian or minicomputer in front of current vehicle
Motor-car transverse crossing, and the Vehicular display device work of corresponding text pre-warning signal triggering current vehicle is generated, show " front
Vehicle has pedestrian to pass through " text information；Meanwhile current vehicle is had pedestrian or cyclecar horizontal by arduino development board
Dangerous warning information is caused to be packaged into a warning information data packet with location information to passing through；
Step 3 is realized using communication module nearby vehicle and is communicated to connect, if nearby vehicle communication module receives early warning
When information packet, the vehicle to receive warning information data packet receives vehicle as signal, transmitting warning information data packet
Vehicle is signal source vehicle, and signal receives the arduino development board that this warning information data packet is sent to the vehicle by vehicle,
Arduino development board pre-processes the information received, obtains the location information of signal source vehicle, then by this location information
It is compared and analyzed with the position of the vehicle cached in real time in the arduino development board of signal reception vehicle, directional information,
Judge the positional relationship between vehicle and signal source vehicle；If judging, vehicle is identical as signal source vehicle heading
And trigger signal receives the vehicle-carrying display screen display ghost probe accident information of vehicle when being located at signal source rear of vehicle, and signal connects
When the car speed to return the vehicle to the garage and knock off at this time is greater than 25km/h, the interior voice alarm module starting that trigger signal receives vehicle, which is reminded, is driven
The person of sailing avoid front pedestrian, while can also generate signal receive vehicle the too fast dangerous information to threaten to pedestrian of speed and
The dangerous feedback information of the location information for the signal source vehicle in warning data packet that signal source vehicle is sent, and it is packaged into danger
Feedback information data packet shares away this dangerous feedback information data packet through communication module；
Step 4, signal source vehicle receive dangerous feedback information data packet through communication module, signal source vehicle
Arduino development board parses this dangerous feedback information data packet, the location information of the pre-warning signal parsed and from
The location information for the pre-warning signal that body issues is compared, if comparison result is same position information, trigger signal source vehicle
The outer voice alarm module work of vehicle, the outer voice alarm module of vehicle issues voice reminder pedestrian and pays attention to avoiding front vehicle.
After adopting the above structure, the present invention is based on the ghost probe accident pre-alarming system of information exchange, when application, passes through vehicle
Whether upper ultrasonic radar, which has pedestrian or cyclecar and position locating module to acquire vehicle in real time measuring vehicle front, is worked as
When location information, if front have pedestrian or cyclecar when Vehicular display device work remind current vehicle driver avoid row
People, while the data of sound radar are transmitted into the periphery vehicle being connected to ambient signal with the location information of position locating module
, the speed that nearby vehicle is analyzed and processed the information and vehicle that are received according to the data received has been constituted
Dangerous feedback information is generated when dangerous, and the Vehicular display device for triggering itself and interior voice alarm module work remind driver to keep away
Allow pedestrian, and send back signal source vehicle through communication module, signal source vehicle based on the received data judge whether with itself
The warning information data of sending match, if when received data and the warning information data itself issued match outside control vehicle
Voice alarm module work reminds pedestrian to pay attention to avoiding the vehicle of signal source vehicle side.Compared with prior art, whole system
It is able to achieve the data transmission of nearby vehicle, expands the sensing range of vehicle, whole system is in addition to that can remind current detection vehicle
Outside the warning message that in front of driver there is pedestrian to be horizontally through, moreover it is possible to which the warning data of current detection vehicle is sent to the detection
Other vehicles at vehicle blind zone make the driver of other vehicles at blind area that can also learn that pedestrian will pass by and cause danger
Danger signal is reminded, meanwhile, this danger signal can also be sent to detection vehicle and remind the pedestrian of detection vehicle front in advance side
To vertical orientations on will have vehicle driving to come, so that pedestrian is stopped step in time, realize the two-way early warning of people's vehicle, eliminate row
The security risk of people blind area, is effectively prevented from the generation of terrible probe accident, and security system is high.
Detailed description of the invention
Fig. 1 is schematic block circuit diagram of the invention；
Fig. 2 is flow chart of the invention.
Specific embodiment
The embodiment of patent of invention is described in detail below, but the invention patent can be defined by the claims and
The multitude of different ways of covering is implemented.
As shown in Figure 1, the ghost probe accident pre-alarming system based on information exchange, is opened by Chinese herbaceous peony detection module 1, arduino
It sends out plate 2, position locating module 3, communication module 4, voice alarm module 5 and Vehicular display device 6 to form, the pedestrian detection module 1
It is made of two ultrasonic radars, two ultrasonic radars are separately mounted in the arranged on left and right sides of automobile head, for detecting automobile
Whether front has that pedestrian or motor vehicle are laterally current, this ultrasonic radar is excellent good to be mounted on automobile head front side wall and close to vapour
At the position of vehicle headstock side 0.5m, i.e. the ultrasonic radar in left side is mounted on the left of automobile head front side wall close to automobile head
At the position of the 0.5m of left outside side wall, the ultrasonic radar on right side is mounted on right close to automobile head on the right side of automobile head front side wall
At the position of the 0.5m of lateral wall, when installation, mounting hole is offered at automobile head, ultrasonic radar insertion is mounted on automobile
On headstock.This ultrasonic radar is conventionally known product, the application installation on automobile be also it is well known, with existing reversing
Radar is identical, no longer repeats herein.
The position locating module 3 is Beidou/GPS dual-mode navigation positioning module, this Beidou/GPS dual-mode navigator fix
The model UM220 of module, this position locating module can obtain the location data of current vehicle in real time, and solve to data
Analysis, obtains the driving information in current vehicle position when driving, speed and course, this position locating module 3 using
The locating module of existing automatic navigator is a well-known technique.
The communication module 4 is HC-12 wireless serial communication module, and centre frequency 433MHz has Transistor-Transistor Logic level
Serial communication interface, support 1200-115200 more kinds of baud rates communication, it is effectively logical to recognize distance 600m, be that a kind of low-power consumption is high
The communication module of performance, the communication module 4 and position locating module 3 are mounted in automobile, and the antenna of communication module 4 and position
The antenna for setting locating module 3 passes through conducting wire and is electrically connected with the shell of automobile.
The Vehicular display device 6 is installed in automobile on the right side of instrument board in automobile, this Vehicular display device 6 can be used existing
There is the Vehicular display device of automobile, be a well-known technique, be not repeated herein, voice alarm module 5 has interior audio alert mould
Block 51 and the outer voice alarm module 52 of vehicle, interior voice alarm module 51 are mounted on car inside and are located at by Vehicular display device 6,
The installation of this interior voice alarm module 51 is that the mounting means of present car horn is identical, and vehicle console is located at this interior language
Broadcasting mouth is offered at sound alarm module 51, this interior voice alarm module 51 and the outer voice alarm module 52 of vehicle are existing public affairs
The player known, the outer voice alarm module 52 of vehicle are mounted at automobile head and in car crust.
The arduino development board 2 has data receiver resolution unit, data determining unit, signal analysis unit sum number
According to packaged unit, this data receiver resolution unit can receive the number that ultrasonic radar, position locating module and communication module are sent
Parsed according to and by received data, data determining unit receive the data that parse of data receiver solution plate unit into
Data are judged, this judging unit has pedestrian determination unit, position judging unit and information comparison unit, this pedestrian sentences
The computational algorithm that disconnected unit uses is different from traditional pedestrian determination algorithm, this algorithm is by analyzing ultrasound feedback distance value
Situation of change come what is determined, when there is pedestrian's transverse crossing, abrupt change twice can occur for the distance value of ultrasound feedback, first become
It is small, after become larger, this characteristic is characteristic when having moving object to pass through, and when there is static barrier in front, is not had this kind of
Characteristic is currently received ultrasonic radar and detects resulting distance value relative to previous group ultrasound then if abrupt change is 15%
The variation of the resulting distance value of wave detections of radar is greater than 15%, judges that there are pedestrian or cyclecar transverse crossing in front side,
The Vehicular display device that current vehicle is triggered after judgement will show " vehicle front has pedestrian to pass through " this prompting message；This pedestrian sentences
The algorithm of disconnected unit breaches the calculation that tradition sets fixed threshold values, is judged using variate is ascended, and variate of ascending is set as
15% is that rationally, under complicated road environment, can exclude the common stationary obstruction of vehicle front, can also remove barriers object
It is reported by mistake with the too small bring of vehicle spacing, has large increase in the accuracy of detection pedestrian.
The position judging unit saves two groups of driving informations of current vehicle position locating module transmission in real time,
When pedestrian determination unit judges, which go out, pedestrian, the positional relationship of the driving information and pedestrian that receive judges whether
Danger is constituted, if constituting dangerous；Signal analysis unit is immediately generated the pedestrian information being horizontally through with pedestrian and current vehicle
The warning information of location information, this warning information are packaged into warning information data packet by data packetization unit, and pass through communication
Module transmission is shared away；
The position judging unit also has to be received according to the data and communication module of vehicle position locating module 3
To the location information of warning information be compared and judge the positional relationship of detected material Yu this vehicle, particularly, position is sentenced
Disconnected unit is received position, the side of this position position mark and the vehicle cached in real time when being connected to the vehicle location coordinate of warning information
It is combined analysis to information, judge Ben Che and issues the positional relationship between warning information vehicle, is obtained according to this positional relationship
Whether the pedestrian of warning information vehicle front or cyclecar constitute a threat to out, trigger the car-mounted display of this vehicle if constituting a threat to
Device issues the ghost probe accident information in " front have pedestrian be intended to by " to driver；Meanwhile receiving position locating module 3 itself
The interior sending of voice alarm module 51 voice reminder driver is also triggered when car speed is higher than 25km/h in driving information to subtract
Speed evacuation；The speed that signal analysis unit is immediately generated front vehicle (i.e. signal reception vehicle) at this time too fast causes prestige to pedestrian
The dangerous feedback information of the location information of signal source vehicle in the dangerous information of the side of body and the warning data packet received；This is dangerous
Feedback information is packaged into dangerous feedback information by data packetization unit, and is shared away by communication module transmission；
Dangerous feedback information that the storage unit real-time reception is parsed by data receiver resolution unit and
Save the warning information of vehicle, and by the location information of the warning data packet in this dangerous feedback information and save itself
The location information of the warning information of vehicle is compared, if is same position information, if same position information, triggering triggering
The outer voice alarm module 52 of vehicle issues voice reminder pedestrian and pays attention to the lateral vehicle in evacuation walking front.
The output end of the output ends of two ultrasonic radars and position locating module 3 with arduino development board 2
Signal input part electrical connection, the control terminal of arduino development board 2 input terminal, the vehicle with interior voice alarm module 51 respectively
The input terminal of outer voice alarm module 52 and the input terminal of Vehicular display device 6 control connection, and communication module 4 and arduino are developed
Plate 2 is to connection.
Ghost probe accident pre-alarming system based on information exchange of the invention, as shown in Fig. 2, it uses following steps real
It is existing:
Step 1: using the ultrasonic radar real-time detection current vehicle front of automobile head two sides in pre-determined distance range
Inside whether there are pedestrian or cyclecar transverse crossing, and the collected data of two ultrasonic radars are sent in real time
Arduino development board；Meanwhile the location data of current vehicle is obtained in real time using position locating module and data are solved
Analysis, obtains the driving information in current vehicle position when driving, speed and course, and this driving information is sent out in real time
Give arduino development board, after arduino development board receives and in real time current two groups of the front and back driving information of preservation vehicle
Data；
Step 2: arduino development board judges whether front has according to the data that the ultrasonic radar received is sent
Pedestrian, then the driving information of cooperation position locating module judge whether current vehicle causes position to pedestrian, finally
Judge that whether generating its vehicle front has pedestrian and cause dangerous pre-warning signal；If arduino development board receives when judgement
To ultrasonic radar before and after distance value variation twice be greater than 15% when judge there is pedestrian or minicomputer in front of current vehicle
Motor-car transverse crossing, and the Vehicular display device work of corresponding text pre-warning signal triggering current vehicle is generated, show " front
Vehicle has pedestrian to pass through " text information；Meanwhile current vehicle is had pedestrian or cyclecar horizontal by arduino development board
Dangerous warning information is caused to be packaged into a warning information data packet with location information to passing through；
It is communicated to connect Step 3: being realized using communication module nearby vehicle, if nearby vehicle communication module receives early warning
When information packet, the vehicle to receive warning information data packet receives vehicle as signal, transmitting warning information data packet
Vehicle is signal source vehicle, and signal receives the arduino development board that this warning information data packet is sent to the vehicle by vehicle,
Arduino development board pre-processes the information received, obtains the location information of signal source vehicle, then by this location information
It is compared and analyzed with the position of the vehicle cached in real time in the arduino development board of signal reception vehicle, directional information,
Judge the positional relationship between vehicle and signal source vehicle；If judging, vehicle is identical as signal source vehicle heading
And trigger signal receives the vehicle-carrying display screen display ghost probe accident information of vehicle when being located at signal source rear of vehicle, and signal connects
When the car speed to return the vehicle to the garage and knock off at this time is greater than 25km/h, the interior voice alarm module starting that trigger signal receives vehicle, which is reminded, is driven
The person of sailing avoid front pedestrian, while can also generate signal receive vehicle the too fast dangerous information to threaten to pedestrian of speed and
The dangerous feedback information of the location information for the signal source vehicle in warning data packet that signal source vehicle is sent, and it is packaged into danger
Feedback information data packet shares away this dangerous feedback information data packet through communication module；
Step 4, signal source vehicle receive dangerous feedback information data packet through communication module, signal source vehicle
Arduino development board parses this dangerous feedback information data packet, the location information of the pre-warning signal parsed and from
The location information for the pre-warning signal that body issues is compared, if comparison result is same position information, trigger signal source vehicle
The outer voice alarm module work of vehicle, the outer voice alarm module of vehicle issues voice reminder pedestrian and pays attention to avoiding front vehicle.
Ghost probe accident pre-alarming system of the invention, in test, design ordinary municipal road track width is A=
3.5m, city bus vehicle-width are about B=2.5 meters, it is assumed that vehicle travels among lane, at this point, adjacent two workshop in left and right
Away from for C=1m, when pedestrian passes through right side vehicle front and apart from only 0.5 meter of vehicle right side, pedestrian is calculated apart from adjacent
The lateral vehicle vertical range in lane is E=3.5m, and redesigning speed of the detected material in people's walking along the street is V1=1.08m/s, can
Calculate the time t that pedestrian's arriving signal since tested measuring point receives the position of vehicle vertical direction1, calculation formula t1=
E/V1,t1=3.2s calculates the safety traffic vehicle velocity V that signal receives vehicle later2,V2=(t1-t2) * μ g, wherein, t2For signal
The interior voice alarm module of source vehicle starts to the time interval t that signal receives the interior voice alarm module starting of vehicle2
=31ms, μ are the attachment systems of ordinary municipal road, and μ=0.75, g are terrestrial gravitation acceleration, g=9.8m/s2, V2=
21.24m/s, in this way, signal receive vehicle speed lower than 60.4km/h all vehicles driver can by braking,
Speed is reduced to 0km/h before accident generation, speed can also be reduced 60.4km/h by the vehicle more than this speed, in urban road
In driving process, the purpose of safe driving can satisfy；It is t that people is redesigned simultaneously from the correspondence time that point occurs for accident3, signal
Source vehicle receives t after the dangerous feedback information of nearby vehicle4Voice reminder is occurred to pedestrian in the time of=31ms, then t3=
t1-t2-t4, by t1、t2And t4It brings into and obtains t in calculation formula3Numerical value at 3.1 seconds or so, through it is above-mentioned be calculated pedestrian will
Warning information can be received within 3 seconds or so before accident generation, the enough pedestrians of this time stop, safe again after observation of stopping
Pass through, realize the two-way early warning of people's vehicle, when pedestrian is to the early warning of blind area vehicle when learning not through the present inventor's test using this system
Between only 0.93 second or so, make pedestrian at all can not early warning, therefore, the application of this system thoroughly avoids the hair of terrible probe accident
Raw, security system is high, and the application of this system only need to carry out installing each component in automobile corresponding position, without to automobile into
Row change, application are strong, flexible.
Ghost probe accident pre-alarming system based on information exchange of the invention, is surveyed using the ultrasonic radar of itself headstock
Whether amount vehicle front has pedestrian or cyclecar and position locating module to acquire vehicle location information at that time in real time, if front
Vehicular display device work reminds current vehicle driver to avoid pedestrian with pedestrian or when cyclecar, guarantees laterally across pedestrian
Walking safety；Meanwhile when the data of ultrasonic radar and the position information process of position locating module are caused danger out
It forms warning information and is sent to the nearby vehicle communicated to connect in range of signal, nearby vehicle is divided according to the data received
The speed that analysis handles the information and vehicle that are received generates dangerous feedback information when having constituted danger, and triggers itself
Vehicular display device and the work of interior voice alarm module remind driver to avoid pedestrian, and send back signal source vehicle through communication module
, data judge that the warning information data whether issued with itself match to signal source vehicle based on the received, if received
The outer voice alarm module of control vehicle works when data and the warning information data itself issued match, and pedestrian is reminded to pay attention to avoiding
The vehicle in signal source vehicle dead astern or side rear enables pedestrian to stop step in time, realizes the two-way early warning of people's vehicle, eliminates pedestrian
The security risk of blind area, is effectively prevented from the generation of terrible probe accident, and security system is high；And vehicle car data communicates, and has expanded vehicle
Sensing range.
Above-described embodiment and attached drawing and non-limiting structure and mode of the invention, the ordinary skill of any technical field
The appropriate changes or modifications that personnel do it all should be regarded as not departing from patent category of the invention.
Claims (4)
1. the ghost probe accident pre-alarming system based on information exchange, it is characterised in that: developed by Chinese herbaceous peony detection module, arduino
Plate, position locating module, communication module, voice alarm module and Vehicular display device composition, above-mentioned pedestrian detection module is by two
Ultrasonic radar composition, two ultrasonic radars are separately mounted in the arranged on left and right sides of automobile head, are for detecting vehicle front
No to have pedestrian or motor vehicle laterally current, position locating module, arduino development board and communication module are mounted on Automobile
It is interior, and position locating module and the antenna of communication module connect with the shell of automobile, above-mentioned Vehicular display device is installed on automobile
It is interior that voice alarm module has interior voice alarm module and the outer voice alarm module of vehicle on the right side of instrument board in automobile, on
It states interior voice alarm module to be mounted on car inside and be located at by above-mentioned Vehicular display device, the outer voice alarm module peace of above-mentioned vehicle
At automobile head and be embedded in car inside, the output end of the output ends of two ultrasonic radars and position locating module with
The signal input part of arduino development board is electrically connected, the control terminal of arduino development board respectively with interior voice alarm module
The input terminal of the outer voice alarm module of input terminal, vehicle and the input terminal of Vehicular display device control connection, above-mentioned communication module with it is upper
Arduino development board is stated to be bi-directionally connected.
2. the ghost probe accident pre-alarming system according to claim 1 based on information exchange, it is characterised in that: above-mentioned ultrasound
Wave radar is mounted at the position on automobile head front side wall and close to automobile head side 0.5m.
3. the ghost probe accident pre-alarming system according to claim 1 based on information exchange, it is characterised in that: above-mentioned position
Locating module is Beidou/GPS dual-mode navigation positioning module, and above-mentioned communication module is HC-12 wireless serial communication module.
4. it is according to claim 1 based on information exchange ghost probe accident pre-alarming system, it is characterised in that: its use as
Lower step is realized:
Whether step 1 has pedestrian within the scope of pre-determined distance using in front of two above-mentioned ultrasonic radar real-time detection current vehicles
Or cyclecar transverse crossing, and the collected data of two ultrasonic radars are sent to arduino development board in real time；Together
When, the location data of current vehicle is obtained in real time using above-mentioned position locating module and data are parsed, and front truck is worked as in acquisition
The driving information of position when driving, speed and course, and this driving information is sent to arduino in real time and is opened
Plate is sent out, after arduino development board receives and in real time current two groups of the front and back driving information data of preservation vehicle；
Step 2, arduino development board judge whether there is pedestrian in front according to the data that the ultrasonic radar received is sent,
The driving information of cooperation position locating module judges whether current vehicle causes position, finally to judge to pedestrian again
Whether generating its vehicle front has pedestrian and causes dangerous pre-warning signal；If what arduino development board received when judgement is super
Distance value variation before and after sound radar twice judges have pedestrian or cyclecar horizontal in front of current vehicle when being greater than 15%
To passing through, and the Vehicular display device work of corresponding text pre-warning signal triggering current vehicle is generated, shows that " front vehicles have
Pedestrian passes through " text information；Meanwhile current vehicle is had pedestrian or cyclecar transverse crossing by arduino development board
Dangerous warning information is caused to be packaged into a warning information data packet with location information；
Step 3 is realized using communication module nearby vehicle and is communicated to connect, if nearby vehicle communication module receives warning information
When data packet, the vehicle to receive warning information data packet receives vehicle as signal, emits the vehicle of warning information data packet
For signal source vehicle, signal receives the arduino development board that this warning information data packet is sent to the vehicle by vehicle,
Arduino development board pre-processes the information received, obtains the location information of signal source vehicle, then by this location information
It is compared and analyzed with the position of the vehicle cached in real time in the arduino development board of signal reception vehicle, directional information,
Judge the positional relationship between vehicle and signal source vehicle；If judging, vehicle is identical as signal source vehicle heading
And trigger signal receives the vehicle-carrying display screen display ghost probe accident information of vehicle when being located at signal source rear of vehicle, and signal connects
When the car speed to return the vehicle to the garage and knock off at this time is greater than 25km/h, the interior voice alarm module starting that trigger signal receives vehicle, which is reminded, is driven
The person of sailing avoid front pedestrian, while can also generate signal receive vehicle the too fast dangerous information to threaten to pedestrian of speed and
The dangerous feedback information of the location information for the signal source vehicle in warning data packet that signal source vehicle is sent, and it is packaged into danger
Feedback information data packet shares away this dangerous feedback information data packet through communication module；
Step 4, signal source vehicle receive dangerous feedback information data packet through communication module, and the arduino of signal source vehicle is opened
Hair plate parses this dangerous feedback information data packet, and the location information of the pre-warning signal parsed issues pre- with itself
The location information of alert signal is compared, if comparison result is same position information, the outer voice of the vehicle of trigger signal source vehicle
Alarm module work, the outer voice alarm module of vehicle issue voice reminder pedestrian and pay attention to avoiding front vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269234.9A CN109949612B (en) | 2019-04-04 | 2019-04-04 | Ghost probe accident early warning system based on information interaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269234.9A CN109949612B (en) | 2019-04-04 | 2019-04-04 | Ghost probe accident early warning system based on information interaction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109949612A true CN109949612A (en) | 2019-06-28 |
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| CN111223333A (en) * | 2020-01-17 | 2020-06-02 | 上海银基信息安全技术股份有限公司 | Anti-collision method and device and vehicle |
| CN112092728A (en) * | 2020-09-10 | 2020-12-18 | 重庆长安汽车股份有限公司 | Reversing prompting system and method |
| CN112185170A (en) * | 2019-07-05 | 2021-01-05 | 浙江宇视科技有限公司 | Traffic safety prompting method and road monitoring equipment |
| CN113096443A (en) * | 2021-03-30 | 2021-07-09 | 安徽安凯汽车股份有限公司 | Pedestrian crossing early warning system of passenger car networking |
| CN114043931A (en) * | 2021-12-14 | 2022-02-15 | 常州希格斯智能科技有限公司 | Vehicle safety warning system and control method thereof |
| CN114056235A (en) * | 2021-12-24 | 2022-02-18 | 大连工业大学 | Ghost probe early warning system and method based on brake lamp identification |
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| CN114394109A (en) * | 2022-02-16 | 2022-04-26 | 上海豪承信息技术有限公司 | Driving assistance method, device, equipment, medium and program product |
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| CN113096443A (en) * | 2021-03-30 | 2021-07-09 | 安徽安凯汽车股份有限公司 | Pedestrian crossing early warning system of passenger car networking |
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| CN114043931A (en) * | 2021-12-14 | 2022-02-15 | 常州希格斯智能科技有限公司 | Vehicle safety warning system and control method thereof |
| CN114056235A (en) * | 2021-12-24 | 2022-02-18 | 大连工业大学 | Ghost probe early warning system and method based on brake lamp identification |
| CN114394109A (en) * | 2022-02-16 | 2022-04-26 | 上海豪承信息技术有限公司 | Driving assistance method, device, equipment, medium and program product |
| CN116639151A (en) * | 2023-05-30 | 2023-08-25 | 武汉理工大学 | Unmanned vehicle control method and system based on pedestrian existence prediction in pavement blind area |
| CN116639151B (en) * | 2023-05-30 | 2023-11-28 | 武汉理工大学 | Unmanned vehicle control method and system based on pedestrian existence prediction in pavement blind area |
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