CN107633705A - A kind of deviation intelligent early-warning system and method based on road surface feedback - Google Patents
A kind of deviation intelligent early-warning system and method based on road surface feedback Download PDFInfo
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- CN107633705A CN107633705A CN201711043842.5A CN201711043842A CN107633705A CN 107633705 A CN107633705 A CN 107633705A CN 201711043842 A CN201711043842 A CN 201711043842A CN 107633705 A CN107633705 A CN 107633705A
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Abstract
The present invention relates to a kind of deviation intelligent early-warning system and method based on road surface feedback, its method include load transmission unit have vehicle by when by vehicle travel caused by load transmission to pressure sensitive unit；Pressure sensitive unit load according to caused by travelling vehicle generates load signal；Signal processing unit analyzes and processes to load signal, obtains the offset distance and speed of vehicle front and back wheel, and according to offset distance and speed judge vehicle whether run-off-road；Signal transmitter unit sends pre-warning signal in run-off-road to signal receiving unit, and signal receiving unit receives pre-warning signal and reminds driver vehicle's run-off-road.The deviation intelligent early-warning method of the present invention, detecting vehicle by load transmission unit matching pressure sensitive unit causes pavement loading skewness when passing through road surface, so as to calculate the position of wheel, and then judge whether vehicle deviates, and wheel position information is sent to signal receiving unit related early warning is provided.
Description
Technical field
The present invention relates to technical field of intelligent traffic, more particularly to a kind of deviation intelligent early-warning based on road surface feedback
System and method.
Background technology
With the development of automobile industry, road vehicle is more and more, so specification driving is more and more important.In road
It is absent-minded when occurring run-off-road during many drivers are often unconscious, or driving to cause deviation traveling lane during up train, this
Sample, which is easy to initiation vehicle, which to be wiped to touch, causes traffic jam.Existing vehicle has done very big improvement in driving secure context,
Vehicle driving security system constantly improve, lane departure warning prompting early warning have been increasingly becoming the standard configuration of automobile, but existing car
Road deviates early warning system and is generally based on video image identification technological development, and vehicle location is identified by identifying edge line,
The technology is had a great influence by weather, graticule definition etc., obvious identification error be present.
The content of the invention
The technical problems to be solved by the invention are to be directed to above-mentioned the deficiencies in the prior art, there is provided one kind is fed back based on road surface
Deviation intelligent early-warning system and method.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
According to an aspect of the invention, there is provided a kind of deviation intelligent early-warning system based on road surface feedback, bag
Include load transmission unit, pressure sensitive unit, signal processing unit, signal transmitter unit and signal receiving unit, the pressure
Sensing unit electrically connects with the signal processing unit, and the signal processing unit electrically connects with the signal transmitter unit, institute
State signal transmitter unit and the signal receiving unit wireless connection.
The load transmission unit is arranged on car lane wheel path opening position, for have vehicle by when, by vehicle
Load transmission caused by traveling is to the pressure sensitive unit；The pressure sensitive unit supports are arranged on the load transmission list
Member lower section, for have vehicle by when according to caused by travelling vehicle load generate load signal；The signal transacting list
Member is used to analyze and process the load signal, obtains the offset distance and speed of vehicle front and back wheel, and according to described inclined
Move distance and speed judge vehicle whether run-off-road；The signal transmitter unit is used in the run-off-road to being arranged on
The signal receiving unit of vehicle interior sends pre-warning signal, and the signal receiving unit receives the pre-warning signal and reminds driving
Member's automotive run-off-road.
The beneficial effects of the invention are as follows：The deviation intelligent early-warning system based on road surface feedback of the present invention, passes through load
Lotus transfer unit coordinates pressure sensitive unit detection vehicle to cause pavement loading skewness when passing through road surface, so as to calculate
The position of wheel, and then judge whether vehicle deviates, and sent wheel position information to letter by signal transmitter unit
Number receiving unit, and related early warning is provided, the accuracy of vehicle early warning system is improved, reduces unnecessary security incident.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement：
Further：The load transmission unit includes at least one load transmission plate, and each load transmission plate is bar
Shape sprag fashion, multiple load transmission plates are along the equidistant spread configuration of track wheel path, and the load transmission plate is arranged on
In motor road superficial layer, the quantity of the pressure sensitive device is twice of the load transmission plate, and the feeling of stress
Unit is answered to be arranged on as support member at the fulcrum of the corresponding load transmission plate both sides, the pressure sensitive unit is positioned at described
The lower section of load transmission plate, and caused load signal is transmitted to signal transacting processing unit.
The above-mentioned further beneficial effect of scheme is：When can load vehicle by the load transmission unit and passing through road surface
By vehicle travel caused by load transmission to the pressure sensitive unit, while can also vehicle weight, avoid to described
Pressure sensitive unit causes to damage, so as to cause testing result deviation occur, it is ensured that accuracy of detection.
Further：The pressure sensitive unit is pressure sensor, and is divided below the both ends of each load transmission plate
A pressure sensor is not correspondingly arranged.
The above-mentioned further beneficial effect of scheme is：Can will be from the load transmission unit by the pressure sensor
The vehicle traveling load transfer passed over is load signal, is easy to calculate subsequently through the load signal of different parts
To car load position.
Further：The signal processing unit specifically includes：
Pretreatment unit, for carrying out noise reduction, filtering process to the load signal；Computing unit, for according to noise reduction,
Load signal after filtering process calculates car load size, and the vehicle according to corresponding to the same load transmission plate both ends
Magnitude of load calculates car load position, according to the distance between two neighboring described load transmission plate and corresponding load signal
Between time difference calculate speed；Judging unit, vehicle shift distance is calculated for the two neighboring car load position, and
Judge automotive run-off-road when vehicle shift distance is more than the default bias threshold value of corresponding speed.
The above-mentioned further beneficial effect of scheme is：By being pre-processed to the load signal, signal can be improved
Stability and veracity, the car load position and speed can accurately be calculated by the computing unit；Pass through
The judging unit can accurately be judged according to the car load position and speed vehicle whether run-off-road, improve early warning
Accuracy.
Further：The signal transmitter unit is wireless signal transmitter, and the wireless signal transmitter is arranged on vehicle
Road edge, the wireless signal transmitter electrically connect with the signal processing unit, and the signal receiving unit is wireless communication
Number receiver, the wireless signal transmission and the wireless signal receiver wireless connection, the wireless signal receiver and car
The electrical connection of car running computer.
The above-mentioned further beneficial effect of scheme is：Can be with by the wireless signal transmitter and wireless signal receiver
In vehicle travel process by the warning information of automotive run-off-road dynamic, in time, be accurately conveyed to driver, remind and drive
Member corrects direction of traffic in time, improves travel safety.
According to another aspect of the present invention, there is provided a kind of deviation intelligent early-warning method based on road surface feedback,
Comprise the following steps：
Load transmission unit have vehicle by when by vehicle travel caused by load transmission to pressure sensitive unit；
The pressure sensitive unit supports are arranged on the lower section of the load transfer means, and according to caused by travelling vehicle
Load generates load signal；
Signal processing unit analyzes and processes to the load signal, obtains the offset distance and car of vehicle front and back wheel
Speed, and according to the offset distance and speed judge vehicle whether run-off-road；
Signal transmitter unit sends pre-warning signal in the run-off-road to signal receiving unit, is arranged on vehicle interior
The signal receiving unit receive the pre-warning signal and remind driver vehicle's run-off-road.
The deviation intelligent early-warning method based on road surface feedback of the present invention, passes through load transmission unit matching feeling of stress
Answer unit detection vehicle to cause pavement loading skewness when passing through road surface, so as to calculate the position of wheel, and then judge
Whether vehicle deviates, and is sent wheel position information to signal receiving unit by signal transmitter unit, and provides phase
Early warning is closed, the accuracy of vehicle early warning system is improved, reduces unnecessary security incident.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement：
Further：The load transmission unit includes multiple load transmission plates, and the quantity of the pressure sensitive device is institute
State load transmission plate twice, and the pressure sensitive unit is arranged on the corresponding load transmission plate both sides as support member
At fulcrum, the pressure sensitive unit is located at the lower section of the load transmission plate, and caused load signal is transmitted to signal
Handle processing unit.
The above-mentioned further beneficial effect of scheme is：It can be incited somebody to action by the load transmission unit when vehicle passes through road surface
Vehicle traveling caused by load transmission to the pressure sensitive unit, while can also vehicle weight, avoid to the pressure
Power sensing unit causes to damage, so as to cause testing result deviation occur, it is ensured that accuracy of detection.
Further：The pressure sensitive unit is pressure sensor, and is divided below the both ends of each load transmission plate
A pressure sensor is not correspondingly arranged.
The above-mentioned further beneficial effect of scheme is：Can will be from the load transmission unit by the pressure sensor
The vehicle traveling load transfer passed over is load signal, is easy to calculate subsequently through the load signal of different parts
To car load position.
Further：The signal processing unit carries out analyzing and processing to the load signal and specifically included：
Noise reduction, filtering process are carried out to the load signal；Vehicle is calculated according to the load signal after noise reduction, filtering process
Magnitude of load, and car load size calculates car load position according to corresponding to the same load transmission plate both ends；Root
Vehicle shift distance is calculated according to the two neighboring car load position, and is more than corresponding speed in vehicle shift distance
Judge automotive run-off-road during default bias threshold value.
The above-mentioned further beneficial effect of scheme is：By being pre-processed to the load signal, signal can be improved
Stability and veracity, the car load position and speed can accurately be calculated by the computing unit；Pass through
The judging unit can accurately be judged according to the car load position and speed vehicle whether run-off-road, improve early warning
Accuracy.
Brief description of the drawings
Fig. 1 is the deviation intelligent early-warning system structural representation based on road surface feedback of the present invention；
Fig. 2 is the deviation intelligent early-warning system road surfacing schematic diagram based on road surface feedback of the present invention
Fig. 3 is distribution map in the deviation intelligent early-warning system pavement structure based on road surface feedback of the present invention；
Fig. 4 is connection diagram of the load transmission unit with pressure sensitive unit of the present invention；
Fig. 5 is the deviation intelligent early-warning method flow schematic diagram based on road surface feedback of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, load transmission unit, 2, pressure sensitive unit, 3, signal processing unit, 4, signal transmitter unit, 5, signal connects
Receive unit, 6, wheel.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of deviation intelligent early-warning system based on road surface feedback, including load transmission unit 1, pressure
Power sensing unit 2, signal processing unit 3, signal transmitter unit 4 and signal receiving unit 5, the pressure sensitive unit 2 and institute
State signal processing unit 3 to electrically connect, the signal processing unit 3 electrically connects with the signal transmitter unit 4, the signal transmitting
Unit 4 and the wireless connection of signal receiving unit 5.
As shown in Figures 2 and 3, the load transmission unit 1 is arranged on car lane wheel path opening position, for there is car
By when, by vehicle travel caused by load the pressure sensitive unit 2 is transferred to by wheel 6；The pressure sensitive unit 2
Support is arranged on the lower section of the load transmission unit 1, for have vehicle by when the load according to caused by travelling vehicle give birth to
Into load signal；The signal processing unit 3 is used to analyze and process the load signal, obtains the inclined of vehicle front and back wheel
Move distance and speed, and according to the offset distance and speed judge vehicle whether run-off-road；The signal transmitter unit 4 is used
Pre-warning signal is sent to the signal receiving unit 5 for being arranged on vehicle interior when in the run-off-road, the signal receives single
Member 5 receives the pre-warning signal and reminds driver vehicle's run-off-road.
The deviation intelligent early-warning system based on road surface feedback of the present invention, matches somebody with somebody resultant pressure by load transmission unit 1
Sensing unit 2, which detects vehicle, causes pavement loading skewness when passing through road surface, so as to calculate the position of wheel, and then sentences
Whether disconnected vehicle deviates, and is sent wheel position information to signal receiving unit 5 by signal transmitter unit 4, and carries
For related early warning, the accuracy of vehicle early warning system is improved, reduces unnecessary security incident.
In the present embodiment, the load transmission unit 1 includes multiple load transmission plates, and each load transmission plate uses
Rigidity is high, the manganese steel matter bar shaped sprag fashion structure of good toughness, and multiple load transmission plates equidistantly arrange along track wheel path
Set, and the load transmission plate is arranged in the pavement structure of car lane wheel path center in a manner of simply supported beam, the pressure
The quantity of induction installation 2 is twice of the load transmission plate, and the pressure sensitive unit 2 is arranged on as support member and corresponded to
Load transmission plate both sides fulcrum at, the pressure sensitive unit 2 is located at the lower section of the load transmission plate, and will produce
Load signal transmit to the signal transacting processing unit 3.Road surface can be passed through in vehicle by the load transmission unit 1
When by vehicle travel caused by load transmission to the pressure sensitive unit 2, while can also vehicle weight, avoid to institute
State pressure sensitive unit 2 to cause to damage, so as to cause testing result deviation occur, it is ensured that accuracy of detection.
As shown in figure 4, in the present embodiment, the pressure sensitive unit 2 is pressure sensor, and each load transmission
A pressure sensor is correspondingly arranged respectively below the both ends of plate, and load transfer means both ends branch is arranged on as support member
At point.The vehicle passed over from the load transmission unit 1 can be travelled into load transfer by the pressure sensor is
Load signal, it is easy to that car load position can be calculated subsequently through the load signal of different parts.
In practice, the signal processing unit 3 is arranged in carriageway surfacing structure sheaf, and is located at the load transmission unit
1 lower section, because the load transmission plate is using the manganese steel matter bar shaped sprag fashion structure of rigidity height, good toughness, it can so lead to
Cross the load transmission unit 1 to be effectively protected the signal processing unit 3, avoid due to fail in compression.
Specifically, the signal processing unit 3 specifically includes：Pretreatment unit, for being dropped to the load signal
Make an uproar, filtering process；Computing unit, for according to after noise reduction, filtering process load signal calculate car load size, and according to
Car load size corresponding to the same load transmission plate both ends calculates car load position, according to the two neighboring load
Time difference between the distance between lotus transmission plate and corresponding load signal calculates speed；Judging unit, for two neighboring
The car load position calculates vehicle shift distance, and is more than the default bias threshold of corresponding speed in vehicle shift distance
Automotive run-off-road is judged during value.By being pre-processed to the load signal, the accuracy and stably of signal can be improved
Property, the car load position and speed can accurately be calculated by the computing unit；Can by the judging unit
With according to the car load position and speed accurately judge vehicle whether run-off-road, improve the accuracy of early warning.
In practice, default bias threshold value corresponding to different speeds can be set according to road conditions.It is such as preferable in road conditions
Road surface, it is referred to following Tabulator Setting：
| Speed (km/h) | Default bias threshold value (cm) |
| 30-40 | 16-20 |
| 40-50 | 12-15 |
| 50-60 | 9-12 |
| 60-70 | 5-8 |
Certainly, the data in table it is only for reference, it is necessary to according to the combined factors such as road conditions, weather condition, light conditions adjust,
Here any restriction is not done.
Here, the signal processing unit 3 uses single-chip microcomputer, can be divided the load signal that pressure sensor exports
Analysis is handled, and the comparison of the load signal detected according to pressure sensor at the both ends fulcrum of same load transmission plate, determines load
Active position；Offset before and after tire can be calculated according to front and rear adjacent load signal, judge vehicle whether run-off-road.
In the present embodiment, the signal transmitter unit 4 is wireless signal transmitter, and the wireless signal transmitter is arranged on
Road vehicle edge, the wireless signal transmitter electrically connect with the signal processing unit 3, and the signal receiving unit 5 is
Wireless signal receiver, the wireless signal transmission and the wireless signal receiver wireless connection, the reception of wireless signals
Device electrically connects with vehicle driving computer.It can be run over by the wireless signal transmitter and wireless signal receiver in vehicle
In journey by the warning information of automotive run-off-road dynamic, in time, be accurately conveyed to driver, remind driver to correct row in time
Car direction, improve travel safety.
Under normal condition, the continual running information for sending vehicle on road surface of the signal transmitter unit 4, when vehicle is inclined
When moving distance more than the default bias threshold value for corresponding to speed, the signal transmitter unit 4 receives the control of the signal processing unit 3
System order, sends run-off-road warning information.Similarly, under normal condition, the signal receiving unit 5 receives the signal in real time
Transmitter unit 4 launch vehicle road surface running information, after warning information is received, by warning information transmit to driving electricity
Brain, car running computer think that driver sends prompting message, remind driver to correct travel direction in time.
In practice, multiple load transmission plates can be divided into multigroup, as shown in Fig. 2 every group includes some load transmissions
Plate A1~An, B1~Bn, C1~Cn ..., each load transfer means bottom support zone are provided with two pressure sensors,
Pressure sensor end is connected with output signal cable, output signal cable by load signal caused by pressure sensor transmit to
Signal processing unit 3, load signal is drawn after the noise reduction of signal processing unit 3, filtering, and vehicle is calculated according to load signal and carried
Lotus size, and according to simply supported beam load distribution mode, calculate car load position, i.e. tire active position.According to front and rear two
The tire active position deviation that group car load position calculates, you can vehicle shift distance at calculating.Existed simultaneously according to tire
The priority sequence of operation of road traveling, diverse location load transmission plate stand under load action time respectively have successively, according to two neighboring institute
Speed can eaily be calculated by stating the distance between load transmission plate and corresponding load signal time difference.Certainly also may be used
To calculate Vehicle Speed using time difference of the vehicle front and back wheel Jing Guo same group of load transmission plate.
When vehicle shift distance is more than the default bias threshold value of corresponding speed, the transmitting of the activation signal of signal processing unit 3
Unit 4, signal transmitter unit 4 will send pre-warning signal, and receive pre-warning signal positioned at the signal receiving unit 5 of in-car drives backward
The person of sailing sends early warning, completes an early warning cycle.
Preferably, in the above-described embodiments, the wireless signal receiver is arranged on vehicle interior, is connect by wireless signal
Receive device and the pre-warning signal of reception is passed into car running computer, deviateing early warning system with the video of vehicle self-carrying cooperates with use, so
The accuracy of identification that vehicle deviates early warning can further be improved.
As shown in figure 5, a kind of deviation intelligent early-warning method based on road surface feedback, comprises the following steps：
Load transmission unit 1 have vehicle by when by vehicle travel caused by load transmission to pressure sensitive unit 2；
The pressure sensitive unit 2 supports the lower section for being arranged on the load transfer means 1, and is travelled and produced according to vehicle
Load generation load signal；
Signal processing unit 3 analyzes and processes to the load signal, obtains the offset distance and car of vehicle front and back wheel
Speed, and according to the offset distance and speed judge vehicle whether run-off-road；
Signal transmitter unit 4 sends pre-warning signal in the run-off-road to signal receiving unit 5, is arranged in vehicle
The signal receiving unit 5 in portion receives the pre-warning signal and reminds driver vehicle's run-off-road.
The deviation intelligent early-warning method based on road surface feedback of the present invention, matches somebody with somebody resultant pressure by load transmission unit 1
Sensing unit 2, which detects vehicle, causes pavement loading skewness when passing through road surface, so as to calculate the position of wheel, and then sentences
Whether disconnected vehicle deviates, and is sent wheel position information to signal receiving unit 5 by signal transmitter unit 4, and carries
For related early warning, the accuracy of vehicle early warning system is improved, reduces unnecessary security incident.
In the present embodiment, the load transmission unit 1 includes multiple load transmission plates, the number of the pressure sensitive device 2
Measure as twice of the load transmission plate, and the pressure sensitive unit 2 is arranged on the corresponding load as support member and passed
To pass at the fulcrum of plate both sides, the pressure sensitive unit 2 is located at the lower section of the load transmission plate, and and by caused load signal
Transmit to signal transacting processing unit 3.Vehicle can be travelled when vehicle passes through road surface and produced by the load transmission unit 1
Raw load transmission to the pressure sensitive unit 2, while can also vehicle weight, avoid to the pressure sensitive unit
2 cause to damage, so as to cause testing result deviation occur, it is ensured that accuracy of detection.
In the present embodiment, the pressure sensitive unit 2 is pressure sensor, and under the both ends of each load transmission plate
Side is correspondingly arranged a pressure sensor respectively.Can will be from the load transmission unit 1 by the pressure sensor
The vehicle traveling load transfer passed over is load signal, is easy to calculate subsequently through the load signal of different parts
To car load position.
In the present embodiment, the signal processing unit 3 carries out analyzing and processing to the load signal and specifically included：To described
Load signal carries out noise reduction, filtering process；Car load size, and root are calculated according to the load signal after noise reduction, filtering process
Car load position is calculated according to car load size corresponding to the same load transmission plate both ends；According to two neighboring described
Car load position calculates vehicle shift distance, and when vehicle shift distance is more than the default bias threshold value of corresponding speed
Judge automotive run-off-road.
By being pre-processed to the load signal, the Stability and veracity of signal can be improved, passes through the meter
The car load position and speed can accurately be calculated by calculating unit；Can be according to the vehicle by the judging unit
Load position and speed accurately judge vehicle whether run-off-road, improve the accuracy of early warning.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (9)
- A kind of 1. deviation intelligent early-warning system based on road surface feedback, it is characterised in that:Including load transmission unit (1), Pressure sensitive unit (2), signal processing unit (3), signal transmitter unit (4) and signal receiving unit (5), the pressure sensitive Unit (2) electrically connects with the signal processing unit (3), the signal processing unit (3) and the signal transmitter unit (4) electricity Connection, the signal transmitter unit (4) and the signal receiving unit (5) wireless connection；The load transmission unit (1) is arranged on car lane wheel path opening position, for have vehicle by when, by vehicle row Caused load transmission is sailed to the pressure sensitive unit (2)；Pressure sensitive unit (2) support is arranged on the lower section of the load transmission unit (1), for when there is vehicle to pass through Load generates load signal according to caused by travelling vehicle；The signal processing unit (3) is used to analyze and process the load signal, obtains the offset distance of vehicle front and back wheel From and speed, and according to the offset distance and speed judge vehicle whether run-off-road；The signal transmitter unit (4) is used in the run-off-road to the signal receiving unit (5) for being arranged on vehicle interior Pre-warning signal is sent, the signal receiving unit (5) receives the pre-warning signal and reminds driver vehicle's run-off-road.
- 2. the deviation intelligent early-warning system according to claim 1 based on road surface feedback, it is characterised in that:The load Lotus transfer unit (1) includes multiple load transmission plates, and each load transmission plate is bar shaped sprag fashion, and multiple load pass Plate is passed along the equidistant spread configuration of track wheel path, and the load transmission plate is arranged in motor road superficial layer, it is described The quantity of pressure sensitive device (2) is twice of the load transmission plate, and the pressure sensitive unit (2) is pacified as support member At corresponding load transmission plate both sides fulcrum, the pressure sensitive unit (2) is simultaneously located at the load transmission plate Lower section, and caused load signal is transmitted to the signal transacting processing unit (3).
- 3. the deviation intelligent early-warning system according to claim 2 based on road surface feedback, it is characterised in that:The pressure Power sensing unit (2) is pressure sensor, and is correspondingly arranged respectively described in one below the both ends of each load transmission plate Pressure sensor.
- 4. the deviation intelligent early-warning system according to claim 3 based on road surface feedback, it is characterised in that:The letter Number processing unit (3) specifically includes：Pretreatment unit, for carrying out noise reduction, filtering process to the load signal；Computing unit, for calculating car load size according to the load signal after noise reduction, filtering process, and according to same institute State car load size corresponding to load transmission plate both ends and calculate car load position, according to the two neighboring load transmission plate The distance between time difference between corresponding load signal calculate speed；Judging unit, vehicle shift distance is calculated for the two neighboring car load position, and the vehicle shift away from Judge automotive run-off-road during from more than the default bias threshold value for corresponding to speed.
- 5. the deviation intelligent early-warning system based on road surface feedback according to any one of Claims 1-4, its feature exist In:The signal transmitter unit (4) is wireless signal transmitter, and the wireless signal transmitter is arranged on road vehicle edge, The wireless signal transmitter electrically connects with the signal processing unit (3), and the signal receiving unit (5) connects for wireless signal Receive device, the wireless signal transmission and the wireless signal receiver wireless connection, the wireless signal receiver and vehicle row Car computer electrically connects.
- 6. a kind of deviation intelligent early-warning method based on road surface feedback, it uses the base described in any one of claim 1 to 5 In the deviation intelligent early-warning system of road surface feedback, it is characterised in that comprise the following steps：Load transmission unit (1) have vehicle by when by vehicle travel caused by load transmission to pressure sensitive unit (2)；Pressure sensitive unit (2) support is arranged on the lower section of the load transfer means (1), and is travelled and produced according to vehicle Load generation load signal；Signal processing unit (3) analyzes and processes to the load signal, obtains the offset distance and speed of vehicle front and back wheel, And according to the offset distance and speed judge vehicle whether run-off-road；Signal transmitter unit (4) sends pre-warning signal in the run-off-road to signal receiving unit (5), is arranged in vehicle The signal receiving unit (5) in portion receives the pre-warning signal and reminds driver vehicle's run-off-road.
- 7. the deviation intelligent early-warning method according to claim 6 based on road surface feedback, it is characterised in that：The load Lotus transfer unit (1) includes multiple load transmission plates, and the quantity of the pressure sensitive device (2) is the two of the load transmission plate Times, and the pressure sensitive unit (2) is arranged at the fulcrum of the corresponding load transmission plate both sides as support member, the pressure Power sensing unit (2) is located at the lower section of the load transmission plate, and caused load signal is transmitted to signal transacting processing list First (3).
- 8. the deviation intelligent early-warning method according to claim 7 based on road surface feedback, it is characterised in that：The pressure Power sensing unit (2) is pressure sensor, and is correspondingly arranged respectively described in one below the both ends of each load transmission plate Pressure sensor.
- 9. the deviation intelligent early-warning method according to claim 8 based on road surface feedback, it is characterised in that：The letter Number processing unit (3) carries out analyzing and processing to the load signal and specifically included：Noise reduction, filtering process are carried out to the load signal；Car load size is calculated according to the load signal after noise reduction, filtering process, and according to the same load transmission plate Car load size corresponding to both ends calculates car load position；Vehicle shift distance is calculated according to the two neighboring car load position, and is more than in vehicle shift distance and corresponds to Judge automotive run-off-road during the default bias threshold value of speed.
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| CN201711043842.5A CN107633705B (en) | 2017-10-31 | 2017-10-31 | Lane departure intelligent early warning system and method based on pavement feedback |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711043842.5A CN107633705B (en) | 2017-10-31 | 2017-10-31 | Lane departure intelligent early warning system and method based on pavement feedback |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108320528A (en) * | 2018-01-31 | 2018-07-24 | 武汉市政工程设计研究院有限责任公司 | A kind of passive spacing speed dynamic alerts device and method |
| CN111179607A (en) * | 2020-02-12 | 2020-05-19 | 西安纳兴电子科技有限公司 | Vehicle track deviation early warning system for expressway |
| CN111276142A (en) * | 2020-01-20 | 2020-06-12 | 北京声智科技有限公司 | Voice awakening method and electronic equipment |
| CN111554103A (en) * | 2020-05-15 | 2020-08-18 | 河南科技大学 | Vehicle speed control method and device based on fuzzy control and vehicle speed control system |
| CN111968382A (en) * | 2020-08-14 | 2020-11-20 | 上海感探号信息科技有限公司 | Passive wireless vehicle speed and vehicle pressure sensing device |
| CN113282074A (en) * | 2020-02-03 | 2021-08-20 | 奥迪股份公司 | Emergency system and emergency method of automatic driving vehicle based on track self-checking |
| CN113548046A (en) * | 2020-04-14 | 2021-10-26 | 上海竺程信息科技有限公司 | Lane departure early warning system and method based on electronic lane line |
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