CN107731008A - Tail self-adapting adjusting apparatus and method - Google Patents
Tail self-adapting adjusting apparatus and method Download PDFInfo
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- CN107731008A CN107731008A CN201711154901.6A CN201711154901A CN107731008A CN 107731008 A CN107731008 A CN 107731008A CN 201711154901 A CN201711154901 A CN 201711154901A CN 107731008 A CN107731008 A CN 107731008A
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- tail
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
Abstract
The invention provides a kind of tail self-adapting adjusting apparatus and method, it is related to highway communication field.The tail self-adapting adjusting apparatus is with method when spacing information is less than pre-stored Current standards tail parameter, calculate tail adjusting parameter, wherein, tail adjusting parameter is less than pre-stored Current standards tail parameter, and tail adjusting parameter is less than pre-stored Current standards tail parameter；The spaced set Z1 group induced lights associated with the positional information included according to the induction lamp system of tail adjusting parameter control one are lighted.The tail self-adapting adjusting apparatus can light number with method according to current spacing information self-adapting adjustment induced light, because the spacing distance between induced light is constant, so as to which the number lighted by reducing induced light adaptively shortens tail adjusting parameter so that the tail length after adjustment is less than running interval distance, so as to eliminate " even tail " phenomenon, the alarming effect of induced light is improved, reduces the generation of traffic accident.
Description
Technical field
The present invention relates to highway communication field, in particular to a kind of tail self-adapting adjusting apparatus and method.
Background technology
When vehicle is highly travelling on highway, if the visibility of weather is relatively low, easily in the vehicle in traveling ahead
Collide, " tail " is a kind of anti-collision early warning technology being applied under road traffic environment, i.e., is run over using vehicle a certain
During position, light current vehicle position induced light and rear to induced light, with remind rear traveling vehicle it is careful
Go slowly, so as to which traffic accident can be prevented to a certain extent.
In the prior art, the tail generation type is that vehicle location is positioned by vehicle checker, then passes through communication
Link sends to fixed group of induced light after giving and lights signal, and it is " tail " to light the continuous distance that rear induced light is formed.Work as car
When reaching next vehicle checker position, starting point is positioned as with new vehicle checker, fixed group sends induced light and lights signal again, this
When the last induced light of previous group induced light be closed, the induced light of new vehicle checker position is lit, and improvement of visual effect is one group and lured
Leading lights following vehicle synchronizing moving, so as to carefully be gone slowly for vehicle of the prompting in rear traveling.Also it is not as low as in advance in visibility
During the numerical value of setting, tail should have an interruption, and perfect condition is that a tail follows a car, the warning under this state
Effect is best；But in actual applications due to travel road vehicle interval variation be it is dynamic, when tail away from
From more than preparatory condition when, the last period tail does not extinguish also, and latter section of tail is just already on, and this will form " even tail "
Phenomenon, and visual appearance is previous group tail that later group tail and then synchronously light by previous group tail when not extinguishing also, shape
Into the continuous warning tape of no interruption；In this case the alarming effect of front truck positioning will be decreased obviously, therefore, how eliminated
The problem of " even tail " is to be solved at present.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of tail self-adapting adjusting apparatus and method, to change
The problem of kind above-mentioned.
In a first aspect, the embodiments of the invention provide a kind of tail self-adapting adjusting apparatus, the tail adaptively adjusts
Device includes：
Driving parameters obtaining unit, for obtain spacing information between adjacent two vehicle of road traveling and
The positional information of the vehicle forward along travel direction；
Judging unit, for judge the spacing information whether be less than pre-stored Current standards tail parameter with it is presetting
Two groups of induced lights between spacing sum；
Tail adjusting parameter generation unit, if being less than pre-stored Current standards tail parameter with presetting for spacing information
Spacing between two groups of fixed induced lights and when, calculate tail adjusting parameter, wherein, tail adjusting parameter is less than pre-stored
Current standards tail parameter；
Induced light control unit, believe for what is included according to the induction lamp system of tail adjusting parameter control one with the position
The spaced set Z1 group induced lights of breath association are lighted, wherein, pre-stored Current standards tail parameter is more than or equal to adjacent
The spacing of induced light described in two groups.
Second aspect, the embodiment of the present invention additionally provide a kind of tail self-adapting regulation method, and the tail is adaptively adjusted
Adjusting method includes：
Obtain spacing information between adjacent two vehicle of road traveling and along the forward vehicle of travel direction
Positional information；
Judge whether the spacing information is less than pre-stored Current standards tail parameter and two groups of presetting induced lights
Between spacing sum；
If spacing information is less than the spacing between pre-stored Current standards tail parameter and presetting two groups of induced lights
And when, calculate tail adjusting parameter, wherein, tail adjusting parameter is less than pre-stored Current standards tail parameter；
The spaced set associated with the positional information included according to the induction lamp system of tail adjusting parameter control one
Z1 group induced lights are lighted, wherein, pre-stored Current standards tail parameter is more than or equal between induced light described in adjacent two groups
Away from.
Compared with prior art, tail self-adapting adjusting apparatus provided by the invention and method, it is less than in spacing information pre-
Spacing between the Current standards tail parameter of storage and presetting two groups of induced lights and when, calculate tail adjusting parameter,
Wherein, tail adjusting parameter is less than pre-stored Current standards tail parameter；An induced light system is controlled according to tail adjusting parameter
The spaced set Z1 group induced lights associated with the positional information included of uniting are lighted.The tail self-adapting adjusting apparatus and side
Method can light number according to current spacing information self-adapting adjustment induced light, due to the spacing distance between induced light not
Become, so as to which the number lighted by reducing induced light adaptively shortens tail adjusting parameter so that the tail length after adjustment is less than
Running interval distance, so as to eliminate " even tail " phenomenon, the alarming effect of induced light is improved, reduces the hair of traffic accident
It is raw.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.Therefore, the reality of the invention to providing in the accompanying drawings below
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Fig. 1 is that server provided in an embodiment of the present invention interacts with vehicle checker, visibility detection device, induced light respectively
Schematic diagram；
Fig. 2 is the structured flowchart of server provided in an embodiment of the present invention；
Fig. 3 is the functional unit schematic diagram of tail self-adapting adjusting apparatus provided in an embodiment of the present invention；
Fig. 4 is the structural representation that induced light group provided in an embodiment of the present invention is in illuminating state；
Fig. 5 is the flow chart of tail self-adapting regulation method provided in an embodiment of the present invention.
Icon：100- vehicle checkers；200- servers；300- tail self-adapting adjusting apparatus；400- induced lights；500- can be shown in
Spend detection device；101- processors；102- memories；103- storage controls；104- Peripheral Interfaces；301- information receives single
Member；302- judging units；303- driving parameters obtaining units；304- tail adjusting parameter generation units；305- induced lights control
Unit.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
What present pre-ferred embodiments were provided can be applied to tail self-adapting adjusting apparatus and method, as shown in Figure 1
In application environment.As shown in figure 1, multiple vehicle checkers 100, multiple induced lights 400, one or more visibility detection devices 500
And server 200 is located in network, by the network, multiple vehicle checkers 100, multiple induced lights 400, one or more visibility
Detection device 500 carries out data interaction with server 200 respectively.In the embodiment of the present invention, the server 200 can be, but
It is not limited to, the webserver, database server, cloud server etc..Network can be that cable network can also be wireless
Network, shown in Fig. 1 for wireless network.
Fig. 2 shows a kind of structured flowchart for the server 200 that can be applied in the embodiment of the present invention.Server 200 wraps
Include tail self-adapting adjusting apparatus 300, processor 101, memory 102, storage control 103 and Peripheral Interface 104.
The memory 102, storage control 103, Peripheral Interface 104 and processor 101, each element are direct between each other
Or be electrically connected with indirectly, to realize the transmission of data or interaction.For example, these elements can pass through one or more between each other
Communication bus or signal wire, which are realized, to be electrically connected with.The tail self-adapting adjusting apparatus 300 include it is at least one can with software or
The form of firmware (firmware) is stored in the memory 102 or is solidificated in the operating system of the client 100
Software function module in (operating system, OS).The processor 101 is used to perform what is stored in memory 102
Executable module, for example, software function module or computer program that the tail self-adapting adjusting apparatus 300 includes.
Wherein, memory 102 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only storage 102Read Only Memory, ROM), programmable read only memory (Programmable Read-
Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory,
EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory,
EEPROM) etc..Wherein, memory 102 is used for storage program, and the processor 101 is after execute instruction is received, described in execution
Program, the method performed by server that the stream process that foregoing any embodiment of the embodiment of the present invention discloses defines can apply to
In processor 101, or realized by processor 101.
Processor 101 is probably a kind of IC chip, has the disposal ability of signal.Above-mentioned processor 101 can
To be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit
(Network Processor, abbreviation NP) etc.；Can also be digital signal processor (DSP), application specific integrated circuit (ASIC),
Ready-made programmable gate array (FPGA) either other PLDs, discrete gate or transistor logic, discrete hard
Part component.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor
Can be microprocessor or the processor 101 can also be any conventional processor 101 etc..
Various input/output devices are coupled to processor 101 and memory 102 by Peripheral Interface 104.In some implementations
In example, Peripheral Interface 104, processor 101 and storage control 103 can be realized in one single chip.In some other reality
In example, they can be realized by independent chip respectively.
It is appreciated that structure shown in Fig. 2 is only to illustrate, server 200 may also include than shown in Fig. 2 more or more
Few component, or there is the configuration different from shown in Fig. 2.Each component shown in Fig. 2 can use hardware, software or its group
Close and realize.
Referring to Fig. 3, the embodiments of the invention provide a kind of tail self-adapting adjusting apparatus 300, applied to server
200, multiple vehicle checkers 100, multiple induced lights, visibility detection device 500 communicate to connect with server 200 respectively.Wherein, such as
Shown in Fig. 4, bearing of trend of multiple induced lights along highway is equidistantly spaced according to presetting distance, in the present embodiment,
The installation interval distance of multiple induced lights is 20 meters, of course, can be adjusted according to actual conditions.The number of vehicle checker 100
Amount is equal with the quantity of induced light, and each vehicle checker 100 is set with one of induced light with position, and each vehicle checker 100 is pre-
Id information is stored with, each id information is associated with the positional information of vehicle checker 100.Vehicle checker 100 is used to detect the car on highway
Signals of vehicles when passing through, induced light are used to prompt the vehicle front at rear closely to have car, it is necessary to carefully go slowly.The tail
Mark self-adapting adjusting apparatus 300 includes information receiving unit 301, judging unit 302, driving parameters obtaining unit 303, tail and adjusted
Whole parameter generating unit 304 and induced light control unit 305.
Information receiving unit 301 is used to receiving that a visibility detection device 500 to send associates with the positional information
Visibility value.
Judging unit 302 is used to judge whether the visibility value is less than presetting secure threshold.
If the induced light control unit 305 is additionally operable to the visibility value when being less than presetting secure threshold, foundation
Pre-stored Current standards tail state modulator one induces the spaced set associated with the positional information that lamp system includes
Z2 group induced lights are lighted.
(for example, when visibility numerical value is less than 150 meters) the vehicle traveling when visibility value is less than presetting secure threshold
When on highway, security is relatively low, it is therefore desirable to which the moment reminds driver, and front may have vehicle, it is therefore desirable to which the moment is careful
Traveling, now tail self-adapting adjusting apparatus 300 is in very low observable warning mode, i.e., according to pre-stored Current standards tail
Mark state modulator Z2 group induced lights are lighted, and Z2 is pre-stored Current standards tail parameter, and tail adjusts function ultralow
Break-off during visibility.Of course, all induced lights that induction lamp system can also be controlled to include are lighted, so as to whole alert
Show that driver carefully goes slowly.
If the driving parameters obtaining unit 303 is higher than presetting secure threshold for the visibility value, obtain
Spacing information between adjacent two vehicle of road traveling and the positional information along the forward vehicle of travel direction.
If the visibility value is higher than presetting secure threshold (for example, visibility numerical value is more than 150 meters, for example,
150 meters~500 meters sections), the tail self-adapting adjusting apparatus 300 enters tail parameter adjustment mode.
Specifically, driving parameters obtaining unit 303 can include but is not limited to：
Information receiving subelement, for receiving what is successively sent with the same vehicle checker 100 that position is set with the induced light
On the vehicle detection signal of adjacent two vehicle of road traveling, positional information and the edge for receiving speed of vehicle detector transmission
The speed information of the forward vehicle of travel direction.
In the present embodiment, speed of vehicle detector can use single Bus- Speed Monitoring instrument, can also use two adjacent cars
Examine device 100.Specifically, two adjacent vehicle checkers 100 send vehicle detection signal when vehicle passes through respectively, by server
200 record the time of the vehicle detection signal for the transmission for successively receiving two adjacent vehicle checkers 100 respectively, you can calculate car
Spent time t between the vehicle checker 100 adjacent by former and later two, due to former and later two adjacent vehicle checkers 100
Between be presetting, be designated as d, then speed information V=d/t, speed information obtained by above-mentioned mode, it is another without adding
Outer Bus- Speed Monitoring instrument, save equipment cost.It should be noted that above-mentioned positional information is the id information of the vehicle checker 100
The positional information of association.
Time records subelement, when record receives the first moment of the vehicle detection signal of two vehicles with second respectively
Carve.
At the time of first moment and the second moment are that two vehicles pass through same vehicle checker 100 respectively.
Spacing information computation subunit, for calculating spacing information according to formula D=V (t2-t1), wherein, V is described
Speed information, t1 were the first moment, and t2 was the second moment.
Specifically, an engaging pulse waveform can be produced when vehicle checker 100 detects vehicle, when first vehicle passes through car
Examine device 100 and when rear vehicle not yet passes the vehicle checker 100, the Seize ACK message of vehicle checker 100 is released, and is entered when in rear vehicle
When entering the vehicle checker 100, now vehicle checker 100 can produce an engaging pulse signal again, the release between two Seize ACK messages
Signal spacing is exactly first vehicle and the time interval in rear vehicle.
Judging unit 302 is used to judge whether the spacing information is less than pre-stored Current standards tail parameter with presetting
The sum of spacing between two groups of fixed induced lights.
In the present embodiment, Current standards tail parameter can be between 60 meters~80 meters, and Current standards tail parameter is moved
State adjustment section can be 0 meter~240 meters, and 20 meters of standard adjusting step, according to adjustment requirement, tail adjusting parameter is bound to small
In standard tail, so tail adjusting parameter is not over standard tail length, herein using Current standards tail parameter as 60 meters
Illustrate.
If tail adjusting parameter generation unit 304 be used for spacing information be less than pre-stored Current standards tail parameter with it is pre-
Setting two groups of induced lights between it is spacing and when, calculate tail adjusting parameter.
Wherein, tail adjusting parameter is less than pre-stored Current standards tail parameter.Tail adjusting parameter can be induction
The quantity of lamp 400, can also tail distance, be not limited herein, below using tail adjusting parameter as induced light 400 quantity lift
Example explanation.
Specifically, tail adjusting parameter generation unit 304 is used to calculate tail adjustment ginseng according to formula Z1=INT (D/d)
Number, Z1 is tail adjusting parameter (i.e. the quantity of induced light 400), and D is spacing information, and d is presetting two neighboring induced light
Spacing.
Induced light control unit 305 is used to induce lamp system including and the position according to tail adjusting parameter control one
The spaced set Z1 group induced lights of information association are lighted.
Wherein, pre-stored Current standards tail parameter is more than or equal to the spacing of induced light described in adjacent two groups or two groups
Induced light.In the present embodiment, 305 specific control mode of induced light control unit can be for example：If spacing is D=85 rice, in advance
The Current standards tail parameter of storage is 60 meters, during Current standards tail parameter Z2=4 groups, because spacing is more than Current standards tail
Mark parameter, even tail phenomenon, therefore tail distance need not be adjusted will not occur, still keep 4 groups of induced lights to light.
When spacing D=45 rice, now spacing is less than Current standards tail parameter, it may occur that even tail phenomenon, so as to need
Tail parameter is adjusted, i.e. tail adjusting parameter Z1=45/20=2 groups, now, control positional information associates equidistant
2 groups of induced lights are set to light, and tail distance is 20 meters of the spacing of two adjacent groups induced light.
Furthermore, it is contemplated that when spacing information is less than the spacing of presetting two neighboring induced light, spacing is nearer, uncomfortable
Above-mentioned formula is preferably utilized to calculate tail adjusting parameter.Therefore, the judging unit 302 is additionally operable to judge whether spacing information is small
In the spacing of presetting two neighboring induced light.If the tail adjusting parameter generation unit 304 is less than for spacing information
Spacing between pre-stored Current standards tail parameter and two groups of presetting induced lights and and more than presetting phase
During the spacing of adjacent two induced lights, tail adjusting parameter is calculated.If the tail adjusting parameter generation unit 304 is additionally operable to spacing
Information is less than the spacing and and spacing information between pre-stored Current standards tail parameter and presetting two groups of induced lights
Less than presetting two neighboring induced light spacing when, using one group of induced light as tail adjusting parameter.Pass through in vehicle
Detected during induced light by vehicle checker 100, now control induced light to be lighted in vehicle position, when vehicle is by next car test
When device 100 detects, control is lighted with next vehicle checker 100 with the induced light of position, and controls previous induced light to extinguish, from
And the effective company's of preventing tail phenomenon.
It should be noted that in the present embodiment, the tail adjusting parameter in the present embodiment include it is preceding to tail adjusting parameter,
Backward tail adjusting parameter.Wherein, induced light control unit 305 induces lamp system bag according to preceding to tail adjusting parameter control one
The spaced set Z1 group induced lights in front of the positional information contained are lighted；Induced light control unit 305 is according to backward
The spaced set Z1 group induced lights positioned at the positional information rear that the induction lamp system of tail adjusting parameter control one includes
Light；Of course, can also simultaneously respectively control induction lamp system include positioned at the positional information rear and rear
Spaced set Z1 group induced lights are lighted, and can be specifically previously set according to actual demand, no longer herein to repeat more.
Brightness that can also be according to tail adjusting parameter Self Adaptive Control induced light in the present embodiment and flicker frequency.
For example, tail adjusting parameter is lower, the brightness of induced light and flicker frequency are higher；Conversely, tail adjusting parameter is higher, induction
The brightness of lamp and flicker frequency are lower.
Furthermore because the traffic flow numerical value in tail induction section is not necessarily equilibrium, burst peak sometimes occurs
It is worth (for example, festivals or holidays or early evening peak), if the adjustment tail parameter of too frequent can influence the stability of system, is provided with
The Separation control time of adjustment, in the present embodiment, interval time can also adaptively be adjusted according to traffic flow numerical value.Cause
This, information receiving unit 301 is used to receive the car sent with one of vehicle checker 100 that position is set with the induced light
Detection signal.
The tail self-adapting adjusting apparatus 300 can also include：
Counting unit, for being counted in preheating setting time to the number for receiving vehicle detection signal.
Separation control time generation unit is used to generate the Separation control time according to the count value.
For example, the magnitude of traffic flow is higher, the Separation control time is shorter；Conversely, the magnitude of traffic flow is lower, the Separation control time gets over
Length is, it is necessary to illustrate, in the present embodiment, the Separation control time of generation is no less than 15 minutes, to ensure the stabilization of system
Property.Therefore, above-mentioned driving parameters obtaining unit 303 is used to obtain the phase in road traveling every the Separation control time
Spacing information between two adjacent vehicles and the positional information along the forward vehicle of travel direction, so as to finally every described
The adjustment of Separation control time needs the group number for the induced light lighted.It should be noted that in the application, detection is highway section
The magnitude of traffic flow, can realize reality to convoy spacing distance in the wake management in track and track by changing vehicle checker 100
Survey.
Tail self-adapting adjusting apparatus 300 can be carried out to the induced light 400 in whole or local section according to the actual requirements
Locking/unlocking is locked, during induced light 400 is locked, tail parameter cannot adjust, and tail parameter is directly according to the tail at locking moment
Mark parameter is performed, and after unblock, tail parameter can be adjusted adaptively in a manner mentioned above.
Referring to Fig. 5, the embodiment of the present invention additionally provides a kind of tail self-adapting regulation method, it is necessary to illustrate, this
The tail self-adapting regulation method that inventive embodiments are provided, its general principle and caused technique effect and above-described embodiment phase
Together, to briefly describe, part of the embodiment of the present invention does not refer to part, refers to corresponding contents in the above embodiments.The tail
Mark self-adapting regulation method includes：
Step S401：Receive the visibility value associated with the positional information of a visibility detection device 500 transmission.
It is to be appreciated that step S401 can be performed using information receiving unit 301.
Step S402：Judge whether the visibility value is less than presetting secure threshold, if it is, performing step
S403, if it is not, then performing step S404.
It is to be appreciated that step S402 can be performed using judging unit 302.
Step S403：Induce lamp system including and the position according to pre-stored Current standards tail state modulator one
The spaced set Z2 group induced lights of information association are lighted.
It is to be appreciated that step S403 can be performed using induced light control unit 305.
Step S404：Obtain the spacing information between adjacent two vehicle of road traveling and leaned on along travel direction
The positional information of preceding vehicle.
It is to be appreciated that step S401 can be performed using driving parameters obtaining unit 303.
Wherein, step S404 includes：
Step S4041：Receive with the induced light with the same vehicle checker 100 that position is set successively send in road traveling
The vehicle detection signal of adjacent two vehicle, positional information and receive that a speed of vehicle detector sends lean on along travel direction
The speed information of preceding vehicle.
Step S4042：Record receives the first moment and the second moment of the vehicle detection signal of two vehicles.
Step S4043：Spacing information is calculated according to formula D=V (t2-t1).
Wherein, V is the speed information, and t1 was the first moment, and t2 was the second moment.
Step S405：Judge whether the spacing information is less than pre-stored Current standards tail parameter and presetting two
The sum of spacing between group induced light, if it is, performing step S406.
Step S406：Judge whether spacing information is less than the spacing of presetting two neighboring induced light, if it is not, then holding
Row step S407, if it is, performing step S408.
Step S405, step S406 can be performed using judging unit 302.
Step S407：Calculate tail adjusting parameter.
Specifically, step S407 can include：Tail adjusting parameter is calculated according to formula Z1=INT (D/d), Z1 is tail
Adjusting parameter, D are spacing information, and d is the spacing of presetting two neighboring induced light.
Wherein, tail adjusting parameter is less than pre-stored Current standards tail parameter.For example, Current standards tail parameter 4
Group, tail adjusting parameter are 1 group or 2 groups or 3 groups.
Step S408：Using one group of induced light as tail adjusting parameter.
It is to be appreciated that step S401 can be performed using tail adjusting parameter generation unit 304.
Step S409：According to being associated with the positional information of including of the induction lamp system of tail adjusting parameter control one etc.
Spacing sets Z1 group induced lights to light.
It is to be appreciated that step S401 can be performed using induced light control unit 305.
Wherein, pre-stored Current standards tail parameter is more than or equal to the spacing of induced light described in adjacent two groups or two groups
Induced light.
In summary, tail self-adapting adjusting apparatus provided by the invention and method, it is less than what is be pre-stored in spacing information
Spacing between Current standards tail parameter and presetting two groups of induced lights and when, calculate tail adjusting parameter, wherein, tail
Mark adjusting parameter is less than pre-stored Current standards tail parameter, and tail adjusting parameter is less than pre-stored Current standards tail
Parameter；The spaced set Z1 groups associated with the positional information included according to the induction lamp system of tail adjusting parameter control one
Induced light is lighted.The tail self-adapting adjusting apparatus can be according to current spacing information self-adapting adjustment induced light with method
Number is lighted, because the spacing distance between induced light is constant, so as to which the number lighted by reducing induced light adaptively shortens
Tail adjusting parameter so as to eliminate " company tail " phenomenon, is improved so that the tail length after adjustment be less than running interval distance
The alarming effect of induced light, reduce the generation of traffic accident.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can also pass through
Other modes are realized.Device embodiment described above is only schematical, for example, flow chart and block diagram in accompanying drawing
Show the device of multiple embodiments according to the present invention, method and computer program product architectural framework in the cards,
Function and operation.At this point, each square frame in flow chart or block diagram can represent the one of a module, program segment or code
Part, a part for the module, program segment or code include one or more and are used to realize holding for defined logic function
Row instruction.It should also be noted that at some as in the implementation replaced, the function that is marked in square frame can also with different from
The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially perform substantially in parallel, they are sometimes
It can perform in the opposite order, this is depending on involved function.It is it is also noted that every in block diagram and/or flow chart
The combination of individual square frame and block diagram and/or the square frame in flow chart, function or the special base of action as defined in performing can be used
Realize, or can be realized with the combination of specialized hardware and computer instruction in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized in the form of software function module and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.Need
Illustrate, herein, such as first and second or the like relational terms be used merely to by an entity or operation with
Another entity or operation make a distinction, and not necessarily require or imply between these entities or operation any this reality be present
The relation or order on border.Moreover, term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of elements not only include those key elements, but also including
The other element being not expressly set out, or also include for this process, method, article or the intrinsic key element of equipment.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, other identical element also be present in article or equipment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Claims (10)
1. a kind of tail self-adapting adjusting apparatus, it is characterised in that the tail self-adapting adjusting apparatus includes：
Driving parameters obtaining unit, for obtaining spacing information between adjacent two vehicle of road traveling and along row
Sail the positional information of the forward vehicle in direction；
Judging unit, for judging whether the spacing information is less than pre-stored Current standards tail parameter and presetting two
The sum of spacing between group induced light；
Tail adjusting parameter generation unit, if for spacing information be less than pre-stored Current standards tail parameter with it is presetting
Spacing between two groups of induced lights and when, calculate tail adjusting parameter, wherein, tail adjusting parameter is less than pre-stored current
Standard tail parameter；
Induced light control unit, closed for what is included according to the induction lamp system of tail adjusting parameter control one with the positional information
The spaced set Z1 group induced lights of connection are lighted, wherein, pre-stored Current standards tail parameter is more than or equal to adjacent two groups
Induced light described in the spacing of the induced light or two groups.
2. tail self-adapting adjusting apparatus according to claim 1, it is characterised in that the tail adjusting parameter generation is single
If member is used for the spacing that spacing information is less than between pre-stored Current standards tail parameter and presetting two groups of induced lights
And when, tail adjusting parameter is calculated according to formula Z1=INT (D/d), Z1 is tail adjusting parameter, and D is spacing information, and d is pre-
The spacing of the two neighboring induced light of setting.
3. tail self-adapting adjusting apparatus according to claim 1, it is characterised in that the judging unit is additionally operable to judge
Whether spacing information is less than the spacing of presetting two neighboring induced light；
If the tail adjusting parameter generation unit is used for spacing information and is less than pre-stored Current standards tail parameter with presetting
Spacing between two groups of fixed induced lights and and more than presetting two neighboring induced light spacing when, calculate tail and adjust
Whole parameter；
If the tail adjusting parameter generation unit be additionally operable to spacing information be less than pre-stored Current standards tail parameter with it is pre-
Setting two groups of induced lights between spacing and and spacing information be less than presetting two neighboring induced light spacing when, will
One group of induced light is as tail adjusting parameter.
4. tail self-adapting adjusting apparatus according to claim 1, it is characterised in that the driving parameters obtaining unit bag
Include：
Information receiving subelement, for receive the same vehicle checker set with the induced light with position successively transmission in road surface row
The vehicle detection signal of adjacent two vehicle sailed, positional information and receive that a speed of vehicle detector sends along travel direction
The speed information of forward vehicle；
Time records subelement, and record receives the first moment and the second moment of the vehicle detection signal of two vehicles respectively；
Spacing information computation subunit, for calculating spacing information according to formula D=V (t2-t1), wherein, V is the speed
Information, t1 were the first moment, and t2 was the second moment.
5. tail self-adapting adjusting apparatus according to claim 1, it is characterised in that the tail self-adapting adjusting apparatus
Also include：
Information receiving unit, the visibility value associated with the positional information sent for receiving a visibility detection device；
The judging unit is additionally operable to judge whether the visibility value is less than presetting secure threshold；
If the induced light control unit is additionally operable to the visibility value when being less than presetting secure threshold, according to pre-stored
Current standards tail state modulator one induces the spaced set Z2 groups associated with the positional information the induction that lamp system includes
Lamp is lighted；
If the driving parameters obtaining unit is higher than presetting secure threshold for the visibility value, obtain in road surface row
Spacing information between adjacent two vehicle sailed and the positional information along the forward vehicle of travel direction.
6. a kind of tail self-adapting regulation method, it is characterised in that the tail self-adapting regulation method includes：
Obtain the spacing information between adjacent two vehicle of road traveling and the position along the forward vehicle of travel direction
Confidence ceases；
Judge whether the spacing information is less than between pre-stored Current standards tail parameter and presetting two groups of induced lights
Spacing sum；
If spacing information be less than spacing between pre-stored Current standards tail parameter and presetting two groups of induced lights and
When, tail adjusting parameter is calculated, wherein, tail adjusting parameter is less than pre-stored Current standards tail parameter；
The spaced set Z1 groups associated with the positional information included according to the induction lamp system of tail adjusting parameter control one
Induced light is lighted, wherein, pre-stored Current standards tail parameter be more than or equal to the spacing of induced light described in adjacent two groups or
Induced light described in two groups.
7. tail self-adapting regulation method according to claim 6, it is characterised in that the tail self-adapting regulation method
Including：
The spaced set associated with the positional information included according to the induction lamp system of tail adjusting parameter control one
The step of Z1 group induced lights are lighted includes：Tail adjusting parameter is calculated according to formula Z1=INT (D/d), Z1 is tail adjustment ginseng
Number, D are spacing information, and d is the spacing of presetting two neighboring induced light.
8. tail self-adapting regulation method according to claim 6, it is characterised in that described to judge that the spacing information is
It is no be less than spacing between pre-stored Current standards tail parameter and presetting two groups of induced lights and the step of include：
Judge whether the spacing information is less than between pre-stored Current standards tail parameter and presetting two groups of induced lights
Spacing sum, if it is, judge spacing information whether be less than presetting two neighboring induced light spacing；
If the spacing information is less than the spacing between pre-stored Current standards tail parameter and presetting two groups of induced lights
And when, calculate tail adjusting parameter the step of include：
If spacing information be less than spacing between pre-stored Current standards tail parameter and presetting two groups of induced lights and
And more than presetting two neighboring induced light spacing when, calculate tail adjusting parameter；
If spacing information be less than spacing between pre-stored Current standards tail parameter and presetting two groups of induced lights and
And spacing information be less than presetting two neighboring induced light spacing when, using one group of induced light as tail adjusting parameter.
9. tail self-adapting regulation method according to claim 6, it is characterised in that the phase obtained in road traveling
The step of spacing information between two adjacent vehicles and the positional information along the forward vehicle of travel direction, includes：
Receive the two adjacent vehicles in road traveling successively sent with the same vehicle checker that position is set with the induced light
Vehicle detection signal, positional information and receive a speed of vehicle detector send the vehicle forward along travel direction speed letter
Breath；
Record receives the first moment and the second moment of the vehicle detection signal of two vehicles；
Spacing information is calculated according to formula D=V (t2-t1), wherein, V is the speed information, and t1 was the first moment, and t2 is
Second moment.
10. tail self-adapting regulation method according to claim 6, it is characterised in that in the acquisition in road traveling
Adjacent two vehicle between spacing information and the step of the positional information along the forward vehicle of travel direction before, institute
Stating tail self-adapting regulation method also includes：
Receive the visibility value associated with the positional information of visibility detection device transmission；
Judge whether the visibility value is less than presetting secure threshold；
The spacing information of the acquisition between adjacent two vehicle of road traveling and along the forward vehicle of travel direction
Positional information the step of include：If the visibility value is higher than presetting secure threshold, the phase in road traveling is obtained
Spacing information between two adjacent vehicles and the positional information along the forward vehicle of travel direction；
If the visibility value is less than presetting secure threshold, lured according to pre-stored Current standards tail state modulator one
The spaced set Z2 group induced lights that what leading lights system included associate with the positional information are lighted.
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| CN201711154901.6A CN107731008B (en) | 2017-11-20 | 2017-11-20 | Trail self-adaptive adjusting device and method |
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| CN201711154901.6A CN107731008B (en) | 2017-11-20 | 2017-11-20 | Trail self-adaptive adjusting device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11249184B2 (en) | 2019-05-07 | 2022-02-15 | The Charles Stark Draper Laboratory, Inc. | Autonomous collision avoidance through physical layer tracking |
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