CN108564803A - A kind of overspeed of vehicle based reminding method and system - Google Patents
A kind of overspeed of vehicle based reminding method and system Download PDFInfo
- Publication number
- CN108564803A CN108564803A CN201810390223.1A CN201810390223A CN108564803A CN 108564803 A CN108564803 A CN 108564803A CN 201810390223 A CN201810390223 A CN 201810390223A CN 108564803 A CN108564803 A CN 108564803A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- speed
- track
- overspeed
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000013507 mapping Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 12
- 238000013523 data management Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 3
- 210000000352 storage cell Anatomy 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005286 illumination Methods 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
Abstract
The present invention discloses a kind of overspeed of vehicle based reminding method and system, wherein on high speed photovoltaic highway, this method includes：The image of collection vehicle road ahead；Track residing for track quantity and vehicle is obtained according to described image；Obtain the vehicle information of vehicle；The speed limit of vehicle is obtained according to the mapping relations in the vehicle information of track residing for track quantity, vehicle and vehicle and the super expressway information table to prestore；Measure the real-time speed of vehicle；Judge whether the real-time speed of vehicle is more than the speed limit, if it is sends out overspeed prompting.A kind of overspeed of vehicle based reminding method proposed by the present invention and system, on high speed photovoltaic road, it is presently in track to obtain track quantity and vehicle by analyzing vehicle front road image, speed limit can dynamically be adjusted by being presently in track according to vehicle, can obtain accurate speed-limiting messages.
Description
Technical field
The invention belongs to vehicle security drive field of auxiliary, and in particular to a kind of overspeed of vehicle based reminding method and system.
Background technology
Photovoltaic highway is converted solar energy into electrical energy as power itself, this power supply mode obtains by being laid with photovoltaic panel
The electric energy taken is illuminated by the light intensity effect, and when intensity of illumination is big, the electric energy of acquisition is big, and the electric energy of intensity of illumination hour, acquisition are also small.
For the photovoltaic panel in a fixed area, when no vehicle traveling is passed through, intensity of illumination thereon is stable, is obtained
Electric signal is also stable, when there is vehicle traveling to pass through, intensity of illumination experience thereon gradually weaken to minimum value then by
The cumulative strong process for arriving stationary value, equally, the electric signal obtained, which is also undergone, gradually to be weakened to minimum value and then gradually increases
The process of stationary value.Therefore, the telecommunications acquired in the photovoltaic panel can be obtained by monitoring the variation of intensity of illumination in photovoltaic panel
Number variation, conversely, intensity of illumination in the photovoltaic panel can also be obtained by the variation for monitoring electric signal acquired in the photovoltaic panel
Variation.Intensity of illumination in photovoltaic panel is also influenced by by vehicle, shelter etc. in addition to being influenced by weather, similarly, photovoltaic
The electric signal that plate obtains also is influenced by the vehicle that traveling is passed through.
《People's Republic of China Road Traffic Safety Law Implementation Regulations》It is middle according to category of roads, vehicle flowrate, road width,
The conditions such as isolation strip situation have carried out speed limit to different roads, and overspeed of vehicle traveling can cause driver's seat degree to become smaller, drive
Vehicle operating range increases in people's reaction time, and braking distance increases.Increase accident Probability, aggravate severity of injuries,
Influence vehicle safety performance.In reality on same place, especially expressway, the speed limit in different tracks is possible to different,
Existing overspeed prompting system can not provide accurate speed-limiting messages for driver.《People's Republic of China's traffic safety
Method implementing regulations》It is equally applicable to high speed photovoltaic highway.
Application number 201610296752.6 discloses overspeed of vehicle based reminding method and system, on expressway, the patent
Method includes：The image of collection vehicle road ahead；Track residing for track quantity and vehicle is obtained according to described image；Obtain vehicle
Vehicle information；According to the vehicle information of track residing for track quantity, vehicle and vehicle and the super expressway information table to prestore
In mapping relations obtain vehicle speed limit；Measure the real-time speed of vehicle；Judge whether the real-time speed of vehicle is more than institute
Speed limit is stated, overspeed prompting is if it is sent out.
Invention content
In response to the problems existing in the prior art, the purpose of the present invention is to provide a kind of overspeed of vehicle based reminding method and system,
More accurate speed-limiting messages are intended to provide, and more accurate vehicle traveling speed is obtained by monitoring the change in electric of photovoltaic panel
Degree.
To achieve the above object, a kind of overspeed of vehicle based reminding method of present invention offer and system, on high speed photovoltaic highway,
It the described method comprises the following steps：
The image of step 1, collection vehicle road ahead；
Step 2 obtains track residing for track quantity and vehicle according to described image；
Step 3, the vehicle information for obtaining vehicle；
Step 4, according to the vehicle information of track residing for track quantity, vehicle and vehicle and the super expressway information table that prestores
In mapping relations obtain vehicle speed limit；
Step 5, the real-time speed for obtaining vehicle further comprise travelling the photovoltaic panel by being laid on road surface when vehicle
When, the real-time speed of vehicle is obtained according to the dimension analysis of the duration of monolithic photovoltaic panel power on signal variation and the photovoltaic panel
Degree；
Step 6 judges whether the real-time speed of vehicle is more than the speed limit, if it is sends out overspeed prompting.
Preferably, further comprise the steps：
The location information for obtaining vehicle, judges whether road residing for vehicle is high speed photovoltaic highway；If so, described in executing
The step of image of collection vehicle road ahead；If it is not, then obtaining the speed limit of vehicle according to the electronic map information to prestore, lead to
The change in electric for crossing monitoring photovoltaic panel obtains the real-time speed of vehicle of the traveling Jing Guo the photovoltaic panel, judges the real-time of vehicle
Whether speed is more than the speed limit, if it is sends out overspeed prompting.
Preferably, step 2 further comprises the steps：
Lane line is detected according to image and preset lane detection algorithm, judges the track line number of vehicle left side
The lane line quantity n2 of n1 and vehicle right side are measured, calculates and obtains track quantity n=n1+n2-1, on the left of vehicle heading
It counts, vehicle is presently in track m=n1, wherein when judging lane line quantity, not due to Emergency Vehicle Lane and curb-to-curb width
Together, including Emergency Vehicle Lane does not count.
Preferably, the preset lane detection algorithm is model matching method or feature detection method.
In addition, to achieve the above object, the present invention also provides a kind of overspeed of vehicle system for prompting, in high speed photovoltaic highway
On, the system comprises：
Road information acquisition module receives enabled instruction, the image of collection vehicle road ahead；
Track judgment module, for obtaining track residing for track quantity and vehicle according to above-mentioned image；
Collecting vehicle information module obtains the vehicle information of vehicle for the vehicle model according to typing；
High limiting speed of driving speed adjusts module, according to the vehicle information of track and vehicle residing for above-mentioned track quantity, vehicle and in advance
If super expressway information table in mapping relations obtain vehicle speed limit；
Speed measuring module, the real-time speed for measuring vehicle, the speed measuring module include electric signal monitoring modular, timing mould
Block and data management module, the speed measuring module configuration is in the photovoltaic panel of photovoltaic highway, for measuring vehicle traveling speed in real time
Degree；
Early warning reminding module is if it is sent out super for judging whether the real-time speed of vehicle is more than the speed limit
Speed is reminded；
Locating module, the location information for obtaining vehicle judge whether present road is high speed photovoltaic highway, if so,
Then enabled instruction is sent to road information acquisition module；
Common speed limit adjusts module, for when it is high speed photovoltaic highway that the locating module, which determines present road not, root
The speed limit of vehicle is obtained according to the electronic map information to prestore, and returns to the speed measuring module.
Preferably, the track judgment module is specifically used for according to image and preset lane detection algorithm to track
Line is detected, and judges the lane line quantity n1 of vehicle left side and the lane line quantity n2 of vehicle right side, is calculated and is obtained number of track-lines
N=n1+n2-1 is measured, to be counted on the left of vehicle heading, vehicle is presently in track m=n1, wherein is judging lane line
When quantity, since Emergency Vehicle Lane is different from curb-to-curb width, including Emergency Vehicle Lane does not count.
Preferably, the preset lane detection algorithm is model matching method or feature detection method.
Preferably, the data management module includes data receipt unit, data processing unit, data storage cell and number
According to transmission unit.
Preferably, the data processing unit is configured to duration and the institute of the photovoltaic panel power on signal variation
The size of photovoltaic panel is stated to determine the travel speed of vehicle.
Preferably, the electric signal monitoring modular is used to monitor voltage, electric current, power or the electricity in photovoltaic panel.
Specifically, when vehicle drives through in one piece of photovoltaic panel, the electric signal being set in the photovoltaic panel monitors
To change in electric, the electric signal is undergone to be gradually decrease to minimum value from stationary value and then is gradually risen from minimum value module monitors
The up to described stationary value, the timing module monitor that electric signal is gradually decrease to the time of minimum value, electric signal from stationary value
It remains the time of minimum value and electric signal is increased to time of stationary value from minimum value, wherein electric signal is gradual from stationary value
It is reduced to the time of minimum value to be gradually risen from minimum value to the time of stationary value equal to electric signal, the size of the photovoltaic panel is pre-
There are the rulers that in the data management module, the data management module passes through change in electric duration and the photovoltaic panel
The very little travel speed that vehicle is calculated.
Specifically, be each equipped with the speed measuring module on photovoltaic highway in every piece of photovoltaic panel, the speed measuring module directly by
The storage battery power supply of the photovoltaic highway.
Specifically, the change in electric in the multiple photovoltaic panels of vehicle monitoring module monitors, the data management module
Become by the change in electric in one of photovoltaic panel and the electric signal in other photovoltaic panels adjacent with the photovoltaic panel
Change, compares and analyzes the fault state for obtaining the photovoltaic panel.
Specifically, the change in electric that the electric signal monitoring module monitors arrive can be by the output power of every piece of photovoltaic panel
Variation indicates, the output power changes the corresponding duration and monitored by the timing module；Set monolithic photovoltaic panel
Rated power be W, transfer efficiency η, the spacing of the opposite end of monolithic photovoltaic panel is L, pass through when no vehicle traveling described in
When monolithic photovoltaic panel, the output power W1=W* η of the monolithic photovoltaic panel pass through the monolithic photovoltaic panel when there is vehicle traveling
When, initiating terminal of the front part of vehicle Jing Guo the monolithic photovoltaic panel, the output power W1 starts to continuously decrease, until institute
State the end that front part of vehicle reaches the monolithic photovoltaic panel, the output power bottoms out W2, and the output power is from W1
The time for dropping to W2 is T1, keeps the output power in W2 ever since, until vehicle tail traveling leaves the list
The initiating terminal of block photovoltaic panel, the time that the output power is maintained at W2 is T2, and the output power starts to gradually rise, until
W1, at this time vehicle tail traveling leave the end of the monolithic photovoltaic panel, the output power from W2 be increased to W1 when
Between be T1；The data that the electric signal monitoring modular and timing module monitor are sent to the data management module.
Compared with prior art, the beneficial effects of the invention are as follows：1) present invention is by monitoring the telecommunications in monolithic photovoltaic panel
Number variation passes through the monolithic photovoltaic panel to have monitored vehicle traveling, and by monitor the change in electric it is lasting when
Between, the travel speed of vehicle is calculated in conjunction with the size of the photovoltaic panel, need not both increase additional hardware monitoring equipment,
Speed monitoring cost, and the travel speed of energy accurate measurements vehicular traffic are reduced, and improves the concealment of vehicle monitoring
And validity；2) on high speed photovoltaic highway, the image by analyzing vehicle front road is worked as to obtain track quantity and vehicle
Preceding residing track, speed limit can dynamically be adjusted by being presently in track according to vehicle, can obtain accurate speed-limiting messages, effectively
The vehicle to speed not in safe range remind.
Description of the drawings
Fig. 1 is the flow chart according to a kind of overspeed of vehicle based reminding method of the embodiment of the present invention；
Fig. 2 is the flow chart according to a kind of overspeed of vehicle based reminding method of another embodiment of the present invention；
Fig. 3 is the schematic diagram according to a kind of overspeed of vehicle system for prompting of the embodiment of the present invention；
Fig. 4 is the schematic diagram according to a kind of overspeed of vehicle system for prompting of another embodiment of the present invention；
Fig. 5 is the speed measuring module schematic configuration diagram according to the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, can also be
Electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Logical technical staff can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection domain within.
Embodiment 1
A kind of overspeed of vehicle based reminding method of present invention proposition and system.
Referring to Fig.1, on high speed photovoltaic highway, the overspeed of vehicle based reminding method includes high limiting speed of driving speed obtaining step S1；
The high limiting speed of driving speed obtaining step S1 includes：
Step S110, the image of collection vehicle road ahead.
Shoot vehicle front road image using camera, the camera can be it is separately installed on the windshield
Opposite front side road camera, can also be automobile data recorder, when the vehicle starts running camera or driving recording
Instrument starts automatically or artificial start is started operation, and shooting vehicle front road is also not limited to these types of mode certainly.
Step S120 obtains track residing for track quantity and vehicle according to described image.
Step S121 obtains the vehicle information of vehicle.
The vehicle information can automatically obtain the type of the vehicle by network by artificially inputting the vehicle of vehicle, than
The vehicle for such as inputting vehicle is Audi A6L, and the type of vehicle of acquisition is compact car；Or the vehicle information is in vehicle release
Automatic input can also obtain the vehicle information of the vehicle in Vehicular system from Vehicular system；Or utilize radio frequency
Identification technology obtains vehicle information, the radio-frequency card by installing radio-frequency card in the car and the reader being arranged under road surface
It is inside stored with the identity information of car owner and the vehicle information of vehicle, is all provided in every piece of photovoltaic panel there are one reader, the read-write
It is realized and is communicated to connect by microwave 5.8GHz frequency ranges between device and radio-frequency card, communication distance can reach 8~30 meters, certainly, also not
It is only limitted to these types of mode.The type of vehicle is generally divided into compact car and large and medium-sized vehicle.
Step S130 believes according to the vehicle information of track residing for track quantity, vehicle and vehicle and the super expressway to prestore
Cease the speed limit that the mapping relations in table obtain vehicle.
Highway is generally divided into two-way 4 track, two-way 6 track and two-way 8 track, for two-way 4 track high speed photovoltaic
Highway, speed limit of the different automobile types in same track is different, therefore in order to obtain more accurate speed limit, needs to vehicle
Type carries out typing, according to the vehicle of vehicle and is presently in track and can obtain accurate speed limit.Table 1 is believed for super expressway
Table is ceased, which includes track quantity, type of vehicle and the vehicle type of high speed photovoltaic highway
Speed limit in specific track.The track quantity of high speed photovoltaic highway in the super expressway information table to prestore is obtained with step S120
The track quantity obtained is in mapping relations, the type of vehicle in the super expressway information table to prestore and the step S121 vehicles obtained
Vehicle information is in mapping relations, vehicle residing for the vehicle that the specific track in the super expressway information table to prestore is obtained with step S120
Road is in mapping relations, can obtain the speed limit of vehicle from super expressway information table by the mapping relations of the above three.
1 super expressway information table of table
For example, when vehicle traveling is on two-way 4 track high speed photovoltaic highway, and it is along traveling side that vehicle, which is presently in track,
When 2 track risen to the left, judged according to the speed limit table in each track of highway, when vehicle is compact car, vehicle is current
Per hour for 120 kilometers, when vehicle is large and medium-sized vehicle, the speed limit that vehicle is presently in track is the speed limit in residing track
100 kilometers per hour.
The overspeed of vehicle based reminding method is further comprising the steps of：
Step S2 measures the real-time speed of vehicle.
Specifically, when vehicle drives through in one piece of photovoltaic panel, based on holding for photovoltaic panel power on signal variation
Continue the size of time and the photovoltaic panel to determine the travel speed of vehicle.In practical applications, the photovoltaic panel be crystal silicon too
Positive energy plate, size 2000*1000*35mm, rated power 180W, transfer efficiency 80%, the both ends center of photovoltaic panel
Position is equipped with terminal A, B, the distance L=2000mm of terminal A to terminal B, described when no vehicle is travelled by the photovoltaic panel
Output power W1=W* η=180*80%=140W of photovoltaic panel, when there is vehicle traveling by the photovoltaic panel, the vehicle
Terminal A is passed through in front, and the output power W1 starts to continuously decrease, until the front part of vehicle reaches terminal B, the output
Power bottoms out W2, at this point, the photovoltaic panel is sheltered from completely by vehicle, can not obtain the direct irradiation of light, but energy
By the indirect light irradiation of the acquisitions such as the reflection, the scattering that are radiated at the light on adjacent photovoltaic plate, and then it is converted to lower defeated
Go out power, W2 is defined as W2=W1*10%=14W here, the timing module monitors to obtain the output power from W1 drops
Time to W2 is 0.12S, keeps the output power in W2 ever since, and terminal A is left until the vehicle tail travels,
The time that the output power is maintained at W2 is 0.18S, and the output power starts to gradually rise, until W1, the vehicle at this time
Tail portion traveling leaves terminal B, and the time that the output power is increased to W1 from W2 is 0.12S, according to speed formula v=L/t,
The travel speed v=60KM/h of vehicle is calculated, by the travel speed v and the output power of vehicle be maintained at W2 when
Between, the length S=5m of vehicle is calculated.
Step S3, judges whether the real-time speed of vehicle is more than the speed limit, if it is sends out overspeed prompting.
Step S3 includes step S300, judges whether the real-time speed of vehicle is more than speed limit, if the real-time speed of vehicle
Degree is more than speed limit, thens follow the steps S310, sends out overspeed prompting to driver, the mode of overspeed prompting can be voice prompt
Or the modes such as text importing；If the real-time speed of vehicle is not more than speed limit, continue normally travel.In the present embodiment,
On high speed photovoltaic highway, the image by analyzing vehicle front road is presently in track to obtain track quantity and vehicle,
Speed limit can dynamically be adjusted by being presently in track according to vehicle, can obtain accurate speed-limiting messages, effectively not to speed
Vehicle in safe range is reminded.
Further, the step S120, obtaining track residing for track quantity and vehicle according to image includes：
Lane line is detected according to image and preset lane detection algorithm, judges the track line number of vehicle left side
The lane line quantity n2 of n1 and vehicle right side are measured, calculates and obtains track quantity n=n1+n2-1, on the left of vehicle heading
It counts, vehicle is presently in track m=n1.
According to《Freeway traffic regulation regulation》Regulation, highway is to count on the left of the motor-driven vehicle going direction, and the
One track is fast, second, third and other tracks are runway.For two-way 6 track high speed photovoltaic highway, by vehicle
Road determines different speed limits.It is thus determined that track residing for vehicle could obtain accurate speed-limiting messages.For example, in high speed photovoltaic highway
On, according to the image of step S110 acquisitions, lane line is detected, judges to obtain the lane line quantity of vehicle left side as 2 Hes
The lane line quantity of vehicle right side is 2, calculates and obtains track quantity n=2+2-1=3, i.e., vehicle is in two-way 6 track height at this time
On fast photovoltaic highway, to be counted on the left of vehicle heading, vehicle is presently in track m=2.Wherein it should be noted that
When judging lane line quantity, since Emergency Vehicle Lane is different from curb-to-curb width, including Emergency Vehicle Lane does not count.
Wherein, the preset lane detection algorithm is model matching method or feature detection method.Model matching method is
Detection method based on model is to be matched to the track line model pre-defined according to the feature of extraction, by lane line
Extraction be converted into the track line model pre-defined and matched, convert in the line model of track the extraction of lane line to and join
Several computational problems.The hypothesis of model mainly has two kinds of straight line model and curve model, can be compared with its advantage is that insensitive to noise
The case where objects in images is locally blocked and covers is handled well.Feature detection method is the detection method based on characteristics of image,
The all the points of image are labeled as vehicle by some features (such as track line color, width and edge feature) based on road image
Diatom point and non-lane line point, this mechanism require the track line color of road more apparent, and edge is more clear, otherwise can not
Obtain accurate testing result.
Embodiment 2
With reference to Fig. 2, the present invention provides a kind of overspeed of vehicle based reminding method, and the overspeed of vehicle based reminding method further includes step
S4 obtains the location information of vehicle, judges whether road residing for vehicle is high speed photovoltaic highway；If so, entering step S1；Such as
Fruit is no, enters step S5：The speed limit of vehicle is obtained according to the electronic map information to prestore.
Step S4 is added, overspeed of vehicle based reminding method of the present invention carries out high speed photovoltaic highway and non-high-speed photovoltaic highway
It distinguishes, by obtaining the location information of vehicle to knowing that vehicle is in high speed photovoltaic highway or non-high-speed photovoltaic highway,
If it is non-high-speed photovoltaic highway, then speed-limiting messages of the electronic map at this are directly invoked, which is speed limit；
If it is high speed photovoltaic highway, then enter embodiment 1 the step of, according to the vehicle of track and vehicle residing for track quantity, vehicle
Information obtains the speed limit of vehicle with the mapping relations in the high speed photovoltaic path information table to prestore.Either high speed photovoltaic highway
Or non-high-speed photovoltaic highway measures the real-time speed of vehicle after obtaining speed limit；Judge whether the real-time speed of vehicle is big
In the speed limit, overspeed prompting is if it is sent out.
Difference lies in the present embodiment is for high speed photovoltaic highway and non-high-speed photovoltaic with above-described embodiment 1 for the present embodiment
Highway is further limited, and overspeed of vehicle based reminding method provided by the invention can be applied to a variety of traveling roads of vehicle
Condition.
Embodiment 3
With reference to Fig. 3, the present invention provides a kind of overspeed of vehicle system for prompting, on high speed photovoltaic highway, the overspeed of vehicle
System for prompting includes：
Road information acquisition module 110 receives enabled instruction, the image of collection vehicle road ahead.
Road information acquisition module 110 is obtained by the road image of the vehicle front of camera captured in real-time.It is appreciated that
The source of enabled instruction can be a variety of, for example when driver starts vehicle is automatic to send enabled instruction；Vehicle traveling exists
It is to send enabled instruction when artificially starting overspeed of vehicle system for prompting when on high speed photovoltaic highway.
Track judgment module 120, for obtaining track residing for track quantity and vehicle according to above-mentioned image.
To the road image that road information acquisition module 110 returns, using model matching method, feature detection method etc. into driving
Diatom detects.The lane line n1 and n2 of calculating vehicle left and right side calculate track quantity n=n1+n2-1 items.With along motor line
It sails and is counted on the left of direction, vehicle is presently in track m=n1.
Collecting vehicle information module 121 obtains the vehicle information of vehicle for the vehicle model according to typing.
High limiting speed of driving speed adjusts module 130, according to the vehicle information of track and vehicle residing for above-mentioned track quantity, vehicle with
Mapping relations in preset super expressway information table obtain the speed limit of vehicle.
Speed measuring module 2, the real-time speed for measuring vehicle.
Specifically, with reference to Fig. 5, the speed measuring module 2 includes electric signal monitoring modular 201, timing module 203 and data pipe
Module 202 is managed, the speed measuring module 2 configures in the photovoltaic panel of photovoltaic highway, for measuring Vehicle Speed in real time.It is described
Electric signal monitoring modular 201 monitors the output power variation of the photovoltaic panel.The data management module 202 includes data receiver
Unit 2021, data processing unit 2022, data storage cell 2023 and data transmission unit 2024.The data processing unit
2022 are configured as the size of the duration and the photovoltaic panel that change based on the photovoltaic panel power on signal to determine vehicle
Travel speed.The data processing unit 2022 is the processing unit of built-in embedded chip, and such as microcontroller, the data deposit
Storage unit 2023 is hard disk or solid storage device, and data receiver Unit 2021, data transmission unit 2024 are channel radio
Believe unit.
Early warning reminding module 3 is if it is sent out super for judging whether the real-time speed of vehicle is more than the speed limit
Speed is reminded.
It is appreciated that on high speed photovoltaic highway when driving, road information acquisition module 110 is directly activated.
Overspeed of vehicle system for prompting proposed by the present invention, on high speed photovoltaic highway, by analyzing vehicle front road
Image is presently in track to obtain track quantity and vehicle, and speed limit can dynamically be adjusted by being presently in track according to vehicle,
Accurate speed-limiting messages can be obtained, effectively the vehicle to speed not in safe range is reminded.
Embodiment 4
With reference to Fig. 4, the present invention provides a kind of overspeed of vehicle system for prompting, and as different from Example 3, the system is also wrapped
It includes：
Locating module 4, the location information for obtaining vehicle judge whether present road is high speed photovoltaic highway, if so,
Then enabled instruction is sent to road information acquisition module 110；Refer to if not, sending common speed limit to common speed limit adjustment module 5
It enables；
Common speed limit adjusts module 5, receives above-mentioned common speed limit instruction, and obtain vehicle according to the electronic map information to prestore
Speed limit.
Locating module 4 obtains the location information for driving vehicle using GPS device, by matching electronic map, can get
Present road type is high speed photovoltaic highway or non-high-speed photovoltaic highway.
When 4 positioning vehicle of locating module traveling is on high speed photovoltaic highway, start road information acquisition module 110 and vehicle
Road judgment module 120 may determine that track residing for vehicle, for example learn that vehicle is in the 2nd track in two-way 4 track after judging.Match
Collecting vehicle information module 121 is closed, for example user will drive vehicle model typing, acquisition type of vehicle is compact car.From
In table 1 it can be seen that the speed limit of the current lane driving vehicle be 120 kilometers per hour, high limiting speed of driving speed adjustment module 130 is used for
The information of comprehensive descision track judgment module 120 and collecting vehicle information module 121 is so that it is determined that speed limit.
When 4 positioning vehicle of locating module traveling is on non-high-speed photovoltaic highway, electronic map speed-limiting messages, the limit are called
Fast information is speed limit, and returns to the speed measuring module.
In conclusion high limiting speed of driving speed adjustment module 130 or common speed limit adjustment module 5 can provide accurate speed limit.
The real-time speed for the vehicle that speed measuring module 2 obtains is provided with high limiting speed of driving speed adjustment module 130 or common speed limit adjustment module 5
Accurate speed limit compares it can be learnt that whether vehicle exceeds the speed limit.The present embodiment and embodiment 3 difference lies in, the present embodiment for
High speed photovoltaic highway and non-high-speed photovoltaic highway are further limited, and overspeed of vehicle system for prompting provided by the invention can be with
A variety of traveling road conditions applied to vehicle.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of overspeed of vehicle based reminding method, which is characterized in that on high speed photovoltaic highway, the described method comprises the following steps：
The image of step 1, collection vehicle road ahead；
Step 2 obtains track residing for track quantity and vehicle according to described image；
Step 3, the vehicle information for obtaining vehicle；
Step 4, according in the vehicle information of track residing for track quantity, vehicle and vehicle and the super expressway information table that prestores
Mapping relations obtain the speed limit of vehicle；
Step 5, the real-time speed for obtaining vehicle further comprise when vehicle traveling passes through the photovoltaic panel for being laid on road surface, root
The real-time speed of vehicle is obtained according to the duration of monolithic photovoltaic panel power on signal variation and the dimension analysis of the photovoltaic panel；
Step 6 judges whether the real-time speed of vehicle is more than the speed limit, if it is sends out overspeed prompting.
2. a kind of overspeed of vehicle based reminding method according to claim 1, which is characterized in that further comprise the steps：
The location information for obtaining vehicle, judges whether road residing for vehicle is high speed photovoltaic highway；If so, executing the acquisition
The step of image of vehicle front road；If it is not, then obtaining the speed limit of vehicle according to the electronic map information to prestore, pass through prison
The change in electric for surveying photovoltaic panel obtains the real-time speed of vehicle of the traveling Jing Guo the photovoltaic panel, judges the real-time speed of vehicle
Whether it is more than the speed limit, if it is sends out overspeed prompting.
3. a kind of overspeed of vehicle based reminding method according to claim 1, which is characterized in that step 2 further comprises following
Step：
Lane line is detected according to image and preset lane detection algorithm, judges the lane line quantity n1 of vehicle left side
With the lane line quantity n2 of vehicle right side, calculates and obtain track quantity n=n1+n2-1, to be counted on the left of vehicle heading,
Vehicle is presently in track m=n1, wherein when judging lane line quantity, since Emergency Vehicle Lane is different from curb-to-curb width, answers
Including anxious track does not count.
4. a kind of overspeed of vehicle based reminding method according to claim 3, which is characterized in that the preset lane detection
Algorithm is model matching method or feature detection method.
5. a kind of overspeed of vehicle system for prompting, which is characterized in that on high speed photovoltaic highway, the system comprises：
Road information acquisition module receives enabled instruction, the image of collection vehicle road ahead；
Track judgment module, for obtaining track residing for track quantity and vehicle according to above-mentioned image；
Collecting vehicle information module obtains the vehicle information of vehicle for the vehicle model according to typing；
High limiting speed of driving speed adjusts module, according to the vehicle information of track and vehicle residing for above-mentioned track quantity, vehicle with it is preset
Mapping relations in super expressway information table obtain the speed limit of vehicle；
Speed measuring module, the real-time speed for measuring vehicle, the speed measuring module include electric signal monitoring modular, timing module and
Data management module, the speed measuring module configuration is in the photovoltaic panel of photovoltaic highway, for measuring Vehicle Speed in real time；
Early warning reminding module if it is sends out hypervelocity and carries for judging whether the real-time speed of vehicle is more than the speed limit
It wakes up；
Locating module, the location information for obtaining vehicle judge whether present road is high speed photovoltaic highway, if so, to
Road information acquisition module sends enabled instruction；
Common speed limit adjusts module, for when it is high speed photovoltaic highway that the locating module, which determines present road not, according to pre-
The electronic map information deposited obtains the speed limit of vehicle, and returns to the speed measuring module.
6. a kind of overspeed of vehicle system for prompting according to claim 5, which is characterized in that the track judgment module, tool
Body judges the lane line quantity of vehicle left side for being detected to lane line according to image and preset lane detection algorithm
The lane line quantity n2 of n1 and vehicle right side are calculated and are obtained track quantity n=n1+n2-1, to be calculated on the left of vehicle heading
It rises, vehicle is presently in track m=n1, wherein when judging lane line quantity, not due to Emergency Vehicle Lane and curb-to-curb width
Together, including Emergency Vehicle Lane does not count.
7. a kind of overspeed of vehicle system for prompting according to claim 6, which is characterized in that the preset lane detection
Algorithm is model matching method or feature detection method.
8. a kind of overspeed of vehicle system for prompting according to claim 5, which is characterized in that the data management module includes
Data receipt unit, data processing unit, data storage cell and data transmission unit.
9. a kind of overspeed of vehicle system for prompting according to claim 5, which is characterized in that the data processing unit configuration
The travel speed of vehicle is determined for the size of the duration and the photovoltaic panel that change based on the photovoltaic panel power on signal.
10. a kind of overspeed of vehicle system for prompting according to claim 5, which is characterized in that the electric signal monitoring modular
For monitoring the voltage in photovoltaic panel, electric current, power or electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390223.1A CN108564803B (en) | 2018-04-27 | 2018-04-27 | Vehicle overspeed reminding method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390223.1A CN108564803B (en) | 2018-04-27 | 2018-04-27 | Vehicle overspeed reminding method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108564803A true CN108564803A (en) | 2018-09-21 |
| CN108564803B CN108564803B (en) | 2020-10-13 |
Family
ID=63537149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810390223.1A Active CN108564803B (en) | 2018-04-27 | 2018-04-27 | Vehicle overspeed reminding method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108564803B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326133A (en) * | 2018-11-01 | 2019-02-12 | 桂林电子科技大学 | Expressway safety monitoring and managing method and system, car-mounted terminal |
| CN110400481A (en) * | 2019-08-29 | 2019-11-01 | 深圳成谷科技有限公司 | A kind of highway automatic Pilot lane grade management-control method and device |
| CN110595499A (en) * | 2019-09-26 | 2019-12-20 | 北京四维图新科技股份有限公司 | Lane change reminding method, device and system |
| CN112735187A (en) * | 2021-01-29 | 2021-04-30 | 重庆长安汽车股份有限公司 | System and method for automatically identifying emergency lane |
| CN113744538A (en) * | 2021-08-03 | 2021-12-03 | 湖南省交通科学研究院有限公司 | Highway dynamic overload control method, computer equipment and readable storage medium |
| CN113781798A (en) * | 2021-11-11 | 2021-12-10 | 四川九通智路科技有限公司 | Polarized light-based vehicle management and control method and system |
| CN113870580A (en) * | 2021-09-01 | 2021-12-31 | 北京中交兴路信息科技有限公司 | Overspeed detection method and device for truck, truck vehicle and truck system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2768106Y (en) * | 2004-12-31 | 2006-03-29 | 华南理工大学 | Device for detecting traffic flow speed |
| US20080068218A1 (en) * | 2006-09-18 | 2008-03-20 | Sarah H Lawson | Speed limit alert |
| CN101506856A (en) * | 2006-05-11 | 2009-08-12 | 李廷埈 | Traffic information detection system and method thereof |
| CN202771622U (en) * | 2012-09-18 | 2013-03-06 | 聊城市正大网络科技有限公司 | Vehicle driving speed detector |
| CN104978854A (en) * | 2014-04-02 | 2015-10-14 | 江苏胜光新能源科技有限公司 | Super-intelligent expressway |
| CN105799512A (en) * | 2016-05-06 | 2016-07-27 | 深圳市中天安驰有限责任公司 | Vehicle overspeed reminding method and system |
| CN107060065A (en) * | 2016-10-21 | 2017-08-18 | 长沙理工大学 | A kind of solar energy path integrates gallery system |
| CN108172005A (en) * | 2017-12-11 | 2018-06-15 | 日立楼宇技术（广州）有限公司 | Road vehicle speed-limiting control method, system, storage medium and computer equipment |
-
2018
- 2018-04-27 CN CN201810390223.1A patent/CN108564803B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2768106Y (en) * | 2004-12-31 | 2006-03-29 | 华南理工大学 | Device for detecting traffic flow speed |
| CN101506856A (en) * | 2006-05-11 | 2009-08-12 | 李廷埈 | Traffic information detection system and method thereof |
| US20080068218A1 (en) * | 2006-09-18 | 2008-03-20 | Sarah H Lawson | Speed limit alert |
| CN202771622U (en) * | 2012-09-18 | 2013-03-06 | 聊城市正大网络科技有限公司 | Vehicle driving speed detector |
| CN104978854A (en) * | 2014-04-02 | 2015-10-14 | 江苏胜光新能源科技有限公司 | Super-intelligent expressway |
| CN105799512A (en) * | 2016-05-06 | 2016-07-27 | 深圳市中天安驰有限责任公司 | Vehicle overspeed reminding method and system |
| CN107060065A (en) * | 2016-10-21 | 2017-08-18 | 长沙理工大学 | A kind of solar energy path integrates gallery system |
| CN108172005A (en) * | 2017-12-11 | 2018-06-15 | 日立楼宇技术（广州）有限公司 | Road vehicle speed-limiting control method, system, storage medium and computer equipment |
Non-Patent Citations (1)
| Title |
|---|
| 沈恂达: "太阳能（高速）公路综述", 《中国交通信息化》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326133A (en) * | 2018-11-01 | 2019-02-12 | 桂林电子科技大学 | Expressway safety monitoring and managing method and system, car-mounted terminal |
| CN110400481A (en) * | 2019-08-29 | 2019-11-01 | 深圳成谷科技有限公司 | A kind of highway automatic Pilot lane grade management-control method and device |
| CN110595499A (en) * | 2019-09-26 | 2019-12-20 | 北京四维图新科技股份有限公司 | Lane change reminding method, device and system |
| CN112735187A (en) * | 2021-01-29 | 2021-04-30 | 重庆长安汽车股份有限公司 | System and method for automatically identifying emergency lane |
| CN113744538A (en) * | 2021-08-03 | 2021-12-03 | 湖南省交通科学研究院有限公司 | Highway dynamic overload control method, computer equipment and readable storage medium |
| CN113870580A (en) * | 2021-09-01 | 2021-12-31 | 北京中交兴路信息科技有限公司 | Overspeed detection method and device for truck, truck vehicle and truck system |
| CN113781798A (en) * | 2021-11-11 | 2021-12-10 | 四川九通智路科技有限公司 | Polarized light-based vehicle management and control method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108564803B (en) | 2020-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108564803A (en) | A kind of overspeed of vehicle based reminding method and system | |
| CN105799512B (en) | Overspeed of vehicle based reminding method and system | |
| CN202018743U (en) | Express way safety distance early warning system based on GPS (global positioning system) and 3G wireless communication | |
| CN108766004A (en) | Overtake other vehicles control system and the method for automatic driving vehicle | |
| CN105374215A (en) | Highway roadside early warning device | |
| CN108711197B (en) | Method and equipment for adaptively adjusting power of vehicle-mounted unit | |
| CN108091139A (en) | A kind of traffic safety automatic evaluation system based on big data | |
| CN102890848B (en) | A kind of method of monitoring driving time and device | |
| US20210350699A1 (en) | Method for Vehicle Classification Using Multiple Geomagnetic Sensors | |
| CN205177162U (en) | Highway trackside early warning device | |
| CN106568403A (en) | Road surface accumulated water detection method and device | |
| CN207799717U (en) | IC card with high-precision positioning function and the monitoring system based on IC card | |
| CN106910256B (en) | A kind of multiple antennas under multilane free flow works together method and system | |
| CN104881897A (en) | ETC lane vehicle detection system and detection method | |
| CN108806276A (en) | A kind of novel intelligent traffic system and its operation method | |
| CN108806266A (en) | A kind of automatic driving vehicle kinetic control system and method | |
| CN110264742A (en) | A kind of on-vehicle information monitoring device suitable for highway | |
| CN111739194B (en) | New energy automobile driving behavior analysis system and method | |
| CN112766054A (en) | Intelligent toll station fee evasion prevention method and system based on image recognition | |
| CN107170060A (en) | A kind of congestion expense payment system, method and device based on vehicle electron identifying | |
| CN107038877A (en) | Intersection vehicle flowrate forecasting system based on vehicle electron identifying | |
| CN106710199A (en) | Electric vehicle monitoring method and system based on Internet of Things technology | |
| CN109584560A (en) | A kind of traffic control adjusting method and system based on freeway traffic detection | |
| CN206460520U (en) | Region freeway net vehicle running path identifying device | |
| CN108573603A (en) | A kind of intelligence rear-end warning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231201 Address after: 100102 H01, 3 / F, building 6, courtyard 6, Wangjing East Road, Chaoyang District, Beijing Patentee after: Beijing Bailong Mayun Technology Co.,Ltd. Address before: 1701, building 4, contemporary dream workshop, guannanyuan 1st Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: ZHENSHUO (WUHAN) INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |