CN107895496A - A kind of predictable formula traffic signal control, device and method - Google Patents

Abstract

A kind of predictable formula traffic signal control, device and method are technical field of intelligent traffic, the status information of the traffic lights of phase needed for calculating judgement according to the moving law of traffic signal control and lock in time information, when related moving law information is constant for a long time, such as the most frequently used multi-period fixed cycle control mode, it is not necessary to which " interconnection in real time " can calculate and judge corresponding traffic signal light condition information；The data such as corresponding moving law information can be sent in advance when needing " interconnection in real time ", to reduce the requirement of real-time to interconnection；Due to that can reduce " interconnection in real time " part in many cases, not only unfailing performance is improved, and the material cost and maintenance cost using traffic signal control as the traffic signal controlling machine of core can also reduce.

Description

A kind of predictable formula traffic signal control, device and method

Technical field

The present invention relates to technical field of intelligent traffic, especially a kind of predictable formula traffic signal control, device and method.

Background technology

Traffic signal control is the device for controlling traffic lights, is the major part of traffic signal controlling machine.At present extensively The signal lamp of the traffic signal controlling machine control of application " can not usually be understood " by machinery equipment, if signal lamp " can be understood ", Passenger can be able to be that the green light for catching up with front is fitted easily to select crossing, regulation and control speed with the help of electronic map When accelerating speed, it can also be travelled with most economical comfortable speed, vehicle is reduced parking, brake behavior, improve row The facility and comfortableness sailed, vehicle energy is improved using the traffic efficiency with road.

The technology for obtaining traffic lights information in real time at present be unable to do without the real-time Communication for Power of equipment and traffic control system, such as " one kind shows signal for application number 401340372851.X " vehicle-mounted traffic lights display system ", application number 401510066700.5 The method and device of lamp information " and application number 401410652409.1 " a kind of intelligent traffic lamp system ", are required in real time Transmission, reception signal lamp are for information about.This " in real time interconnection " is for the very big fixed cycle control of the usage amount do not networked directly The semaphore of system is difficult to make accurate judgement, and cost is higher, maintenance is larger, and when communication quality is poor, also inconvenience uses.

The content of the invention

The embodiment provides a kind of predictable formula traffic signal control, device and method, main purpose is to provide A kind of scheme, according to the moving law of traffic signal control and lock in time information come calculate judge needed for phase traffic believe The status information of signal lamp.When related moving law information is constant for a long time, such as the most frequently used multi-period fixed cycle controlling party Formula, it is not necessary to which " interconnection in real time " can calculate and judge corresponding traffic signal light condition information.Can when needing " interconnection in real time " The data such as corresponding moving law information are sent in advance, to reduce the requirement of real-time to interconnection.Using this programme, to ordinary traffic For signal controlling machine, if system time is accurate, or even only variation control software can increase " predictable function ", Er Qiexin The basic setup operating method of number machine is constant；For common smart machine, if equipment time accuracy meets the requirements or energy Obtaining lock in time information in time, then only upgrading software program can increase " prediction " function.Due to that can reduce in many cases " in real time interconnection " part, not only unfailing performance be improved, using traffic signal control as the traffic signal controlling machine of core Material cost and maintenance cost can also reduce.

To achieve these goals, technical scheme provided by the present invention is as follows：

The embodiment of the present invention provides a kind of predictable formula traffic signal control, the traffic signals being normally at by intersection Control machine or the solar energy traffic signal control machine used temporarily in, including main control unit, memory cell, time quantum, fortune Adjustment unit is calculated, the controller can control Traffic signal control signal to be changed at certain regular moment, output can be controlled to believe Number certain state and the relation of time be certain functional relation y=f (t).

The invention provides a kind of operation method of predictable formula traffic signal control, this method can hand over predictable formula The output of messenger controller had not only met it and has fixed timing information but also meet the traffic grade signal of related moving law information. It is scalable for predictable formula traffic signal control using the method on the basis of ordinary traffic signal controller.

The invention provides a kind of Forecasting Methodology, is that energy computing judges that above-mentioned predictable formula traffic signal control controls The method of traffic signal light condition information.According to the moving law y=f (t) and prediction meanss of predictable formula traffic signal control The lock in time information of acquisition, i.e., carry out computing with its reference time information using related moving law information and judge certain moment phase Position signal lamp state information, if using current time can computing judge real-time traffic light status information.

The invention provides another Forecasting Methodology, and relevant traffic is calculated using relevant moving law information and time difference information The method of signal lamp state information.Compared with a kind of upper Forecasting Methodology, here by time difference information and prediction meanss local zone time Relation extrapolate correlation the controller time, and then calculate needed for phase signal lamp state information.This method is also applied for The ordinary traffic signal controller of normal operation in short time, but " need to be interconnected in real time " with prediction meanss, with common real-time letter Number Display Technique is compared, and it can calculate the signal lamp state information of each phase, and certain section that can change in moving law information Sent before time and received by prediction meanss, when can not only reduce communicating requirement can also allow the passenger predict following one section Interior signal lamp situation, so as to increase security, economy reduces the influence of environmental protection.

The embodiments of the invention provide a kind of prediction meanss, this device can obtain and predictable formula traffic signal control phase Synchronous temporal information is related reference time information, moving law y=f (t) further according to the traffic signal control and is had It is relevant moving law information to close data, carrys out the traffic signal light condition information of phase needed for computing judgement.Due to what is commonly used The moving law of predictable formula traffic signal control under fixed timing scheme has certain stability, as long as prediction meanss Corresponding moving law information is stored in advance judges corresponding traffic along with the coherent reference temporal information obtained can calculate Signal lamp state information, prediction meanss also can not computing judgement with predictable formula traffic signal control " interconnection " in this case The status information of required traffic lights.

Present invention also offers the information updating method between a kind of predictable formula traffic signal control and prediction meanss, bag Include the related moving law information of predictable formula traffic signal control and be supplied to certain server, then as the server needed for Process of the information transmission to prediction meanss.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below to embodiment or prior art The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only the present invention's Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other accompanying drawings.

Fig. 1 is the structural representation that formula traffic signal control can be predicted disclosed in the embodiment of the present invention；

Fig. 2 is the structural representation of prediction meanss disclosed in the embodiment of the present invention；

Fig. 3 is the phase transfer function figure that the output of formula traffic signal control can be predicted disclosed in the embodiment of the present invention；

Fig. 4 is the phase transfer function figure of another predictable formula traffic signal control output disclosed in the embodiment of the present invention；

Fig. 5 is that formula traffic signal control can be predicted disclosed in the embodiment of the present invention to start adjustment flow；

Fig. 6 is that formula traffic signal control computing adjustment flow can be predicted disclosed in the embodiment of the present invention；

Fig. 7 is the solution flow for the traffic light status information that formula traffic signal control can be predicted disclosed in the embodiment of the present invention Figure；

Fig. 8 is ordinary traffic signal operating scheme chart, is combined by Fig. 9 ~ 11；

Fig. 9 Fig. 8 tables；

Figure 10 Fig. 8 tables；

Figure 11 Fig. 8 tables；

Figure 12 is the service work rule information chart that formula traffic signal control can be predicted disclosed in the embodiment of the present invention, by scheming 13 ~ 15 combine；

Figure 13 Figure 12 tables；

Figure 14 Figure 12 tables；

Figure 15 Figure 12 tables；

Figure 16 is that the information transfer network between formula traffic signal control and prediction meanss can be predicted disclosed in the embodiment of the present invention Schematic diagram.

Embodiment

In order to systematically illustrate embodiment of the invention and provided by the invention, what bound fraction accompanying drawing was first used the present invention Principle, specific term illustrate, and principle therein is a kind of reference with method, in that context it may be convenient to releases other mutually inside the Pass Hold.Term " first " " second " " the 3rd " in description and claims of this specification etc. is used to distinguish different objects, And be not intended to describe specific order, " unit " is dummy unit, can physically be combined as needed.

Moving law of the present invention about term, term and predictable formula traffic signal control, which derives, to be described as follows：

001. prediction：Generally refer to calculate the thing in future according to certain method and rule, it is of the invention then also include The judgement that current or even past traffic light signals are carried out is calculated.

002. traffic signal control, predictable formula traffic signal control

Traffic signal control：It is the device to the Traffic signal control at crossing, is the major part of traffic signal controlling machine, Include ordinary traffic signal controller and predictable formula traffic signal control in the present invention.One crossing can have multiple above-mentioned Controller combination control can also be controlled by single controller, and present invention agreement controls whole crossing using the single controller, So the meaning of " related to controller " or " related with certain crossing " etc. in file of the present invention is identical.

Predictable formula traffic signal control：The operation for being run by certain moving law and can be by other devices according to correlation Rule information and its reference time information operation judge the device of the traffic signal light condition information of its control.

003. prediction meanss：Energy computing judges the traffic signal light condition letter of predictable formula traffic signal control control The device of breath.

004. traffic signal light condition information：Light color information, colored lights duration information including traffic lights, the present invention The main residual time length information for using traffic lights.

005. predictable state：Predictable formula traffic signal control, which is in, can be predicted the traffic for judging its control The state of signal lamp state information.

006. standard time system：Including conventional UTC（Coordinated Universal Time(UTC)）、GPS（Global positioning system）BDS（The Big Dipper System）、GALILEO（Galileo system）、GLONASS（GLONASS）And other times system used in traffic signal control System.

007. standard time, reference time

Standard time, directly or indirectly from the time of standard time system；

Reference time：On the basis of the time of the standard time system required by traffic signal control and in certain deviation range Time, mainly used by traffic signal control and prediction meanss with the synchronism of retention time.This time may be derived from having The corresponding controller time of the degree of accuracy or the system time of prediction meanss, also can be according to the time of controller by the other standards time System requirement is converted to.If certain standard time is GPST, when controller is required of UTC places, then according to GPST and UTC time Synchronized relation, the reference time is：

GPST+time zone the time difference-second certain +/- deviation of difference

Wherein time zone is the time zone of the controller position, second level difference of the second difference between GPST and UTC, is 18 seconds at present, Depending on the big I of certain deviation is as needed, as long as the reference time that the reference time that controller uses obtains with prediction meanss Difference meet the requirements.Although controller time and prediction meanss obtain the deviation of time and are easily controlled within 1 second, this Inventor thinks the control of this deviation in 3 seconds and with actual use value.

The controller time may be from different standard time systems, each standard time from the reference time that prediction meanss obtain There should be metastable synchronism between system, so that prediction meanss combine agreement or the time system of moving law information requirements Obtain the specifying information of CCU time.If the time system and other standards of traffic signal control system actual use Time system does not have synchronism, and then prediction meanss need directly to obtain required temporal information by traffic signal control system.

008. controller time, controller time point, specific controller time point

The controller time：Both include the system time of traffic signal control, i.e. local clock time in the present invention, also including because What certain reason compensated rear control object to system time is actually executed the time, and this is actually executed time and agreement Or the time of the time system of moving law information requirements, i.e. reference time are consistent.Illustrate：If time deviation is Δ S, control Object processed such as scheme switching time was t originally_X,The actual switching time of scheme is changed into t after being compensated from time deviation_x+ Δ S, compensation The time present invention afterwards is also referred to as the controller time, and the temporal information of time system of this time with requiring is consistent.

Controller time point is certain temporal point of controller, and it can also be specifically relative time point that can be.

Specific controller time point is then certain specific moment of controller time, i.e., comprising temporal informations such as Hour Minute Seconds when Carve.

009. signal characteristic point：There is the point of certain feature in traffic signals work " oscillogram ", can both refer in the present invention The characteristic point of signal physically can also refer to the signal characteristic point corresponding time point.As used some signal-off or unlatching When rising edge or trailing edge as signal characteristic point, signal characteristic point is used as using " the i-th phase green light start-up time ".

010. moving law derives

The sequence of 010a. phases, name

Signal phase with current directional correlation is sorted and named by job order, can be made up of letter, numeral and word etc., As being the 1st phase by " certain direction straight trip direction ", the phase to work thereafter is the 2nd phase ....

010b. moving laws

By the basic change over order " red light-green light-amber light-red light " of traffic signals, if each phase include green light, amber light, It is complete it is red wait signal, unlike signal or combine and regard certain level as, with the one-dimensional representation in two-dimensional coordinate, during another one-dimensional representation Between, the level as described in the phase operation order of traffic lights each phase is made on figure, just forms the work of traffic signals " waveform ".For certain " waveform ", if some signal characteristic point is as a reference point, when making its certain fixation with the time Carve corresponding, i.e., form a kind of position and fixed " waveform " of change in a two dimensional, then this figure is exactly in certain time It is interior using time certain state that to be independent variable combined using each signal of each phase or signal as the functional relation of dependent variable, i.e. the i-th phase The position state and the relation of time are y_i=f_i(t), such a functional relation is the operation of predictable formula traffic signal control Rule.

Example one：Green time is regarded as high level, the amber light after green light regards slightly lower level, complete red time, that is, when emptying as Between regard 0 level as, the level as described in the phase operation order of traffic lights each phase is made on figure, just form traffic letter Number work " waveform " figure, for some fixation oscillogram for, if the controller output certain characteristic point with being Unite temporal sometime corresponding, its figure is a kind of functional digraph, this paper and referred to as phase transfer function figure, reference Fig. 3 " the phase transfer function figure of predictable formula traffic signal control output "." the i-th phase " may refer to any one phase in figure Position.

Example two：Represented if steady yellow current green light and thereafter regards high level as with ordinate, signal Complete red time between conversion, i.e. clean up time regard low level as, and transverse axis is time shaft, represents system time, can set daily zero Point or other moment are starting point, see phase transfer function such as Fig. 4 of another predictable formula traffic signal control output, figure Middle complete red time AR₁、AR₂...AR_iEqual to more than 0, " the i-th phase " may refer to any one phase.

Such functional digraph is functional relation y_i=f_i(t) avatars mode, because functional arrangement is simple and clear, the present invention Only with it come analytic operation.

The basic law changed according to traffic signals, to the traffic signal light condition of any time, if not green light, Huang Lamp, it is red light, so, when the signal lamp of certain moment current phase can not only be found out from its phase transfer function Fig. 3, Fig. 4 Long message, the signal lamp duration information for judging other phases can also be calculated.

011. Phase：With reference to " phase " in signal waveform in physics, it reflects the phase being engraved in circulation or cycle in some time To position, herein in seconds, expression is uniformly underlined in the present invention, to show and " phase " phase region in traffic system Not.

012. reference point, beginning point of reference, reference cycle, referencePhase

Reference point, beginning point of reference：Certain signal characteristic point can be set as reference point, the present invention is all provided with " the green light unlatching of the 1st phase Beginning point of reference of the moment " as each cycle.

Reference cycle：The present invention refers to any one cycle using beginning point of reference as starting point, and its chronomere is the second.

With reference toPhase：In the reference cyclePhase, i.e., with " the 1st phase green light start-up time " it is first in each cycle Initial value it is relativePhase, present invention T_{1s 、}T_Is,T_{1o 、}T_ioDeng expression, with reference to " the predictable formula traffic signalization of another kind of figure 4 The phase transfer function figure of device output ".

Each phase green light starting point in the reference cyclePhaseWith terminalPhaseRelation, such as Fig. 4：

The green light starting point of 1st phasePhaseT_1s, about it is set to the phase of initial value 0, green light terminal hereinPhaseT_1o, green light terminalPhase PositionFor the green light of this phase, amber light sum, unit is the second.

The green light starting point of 2nd phasePhase：T_2s=T_1o + AR₁, for the green light terminal phase T of the 1st phase_1oWith the 1st phase Complete red time AR after green light₁Sum；Green light terminalPhaseT_2o , for the green light starting point of this phasePhaseT_2sIt is green with this phase Lamp, amber light sum, unit are the second.

The green light starting point of i-th phasePhase：T_is=T_（i-1）o+ AR_i-1, for the green light terminal of previous phasePhaseWith thereafter Complete red time sum；Green light terminalPhaseT_io, it is i phase green light starting pointsPhaseT_isGreen light, amber light sum with i phases, it is single Position is the second.

013. moving law information

Moving law information in the present invention refers to predict all information required during traffic signal light condition information, the operation Rule information is mainly derived from the information such as control program and scheme schedules plan, particular content except conventional relevant phase information, Outside phase sequence information, each signal duration information, also including at least a controller time point and certain phase signal characteristic point Related information, certain phase signal characteristic point information as corresponding to certain specific controller time point, or certain controller time The point temporal information relative with certain phase signal characteristic point, because both of these case can be derived mutually, the embodiment of the present invention Only selection one of which illustrates.Can also increase other guide as needed, such as project data, current directional information, Time system information, the identification information of controller, auxiliary information etc., this type of information can weave into file or code of certain format etc. To apply.Some information can be arranged to reduce the corresponding contents of moving law information, for example arrange all setting periods Starting point or certain rule moment near it be " the 1st phase green light start-up time ", can correspondingly reduce certain controller time point With the related information of certain signal characteristic point；Relevant traffic signal control time system can also be arranged and uniformly use the gps times Or Big Dipper time or utc times（Coordinated Universal Time(UTC)）Deng corresponding time system information can be saved in moving law information, such as Without the explanation present invention to arrange to handle above.Obviously predictable formula traffic signal control and the operation required for prediction meanss Rule information is not fully identical, and the two must be selected as needed.

The service work rule information reference of predictable formula traffic signal control under multi-period fixed cycle control mode Chart 12（Combined by Figure 13 ~ 15）, its master data can obtain by chart 8 " ordinary traffic signal operating scheme " data conversion Arrive（Fig. 8 is combined by Fig. 9 ~ 11）.Wherein：

In fig. 8, t_{ing 、}t_infg、t_infyRepresent the duration of each signal of i phases under n schemes_；AR_In,For under n schemes i phases it is complete The red time；

In Figure 12 " the service work rule information of predictable formula traffic signal control ", " a_js：b_js：c_js" unit to be " small When：Minute：Second ", the beginning of any one period is referred to, represents the specific execution time of scheme, is also signal characteristic point Time point corresponding to " the 1st phase green light start-up time "；T_{ins 、}T_inoFor i phases green light under n schemes beginning and end ginseng ExaminePhase, AR_In,For the complete red time of i phases under n schemes.

014. fixes timing information：Each signal lamp operation order in intersection, all changeless timing information of duration and interval, The information as used in fixed timing scheme, it can regard certain " fixation as long as can predict and calculate corresponding signal lamp state Timing information ", it is such as yellow to dodge, be complete red.

015. fixed cycle controls：The control mode that intersection is reruned by default fixed timing scheme.

016. waits the red parking time：Ordinary queue waits the vehicle of traffic lights from the inactive state that can not be moved ahead to can Time required for mobile.

017., which waits, moves transmission, mobile transmission speed of waiting

Movement of waiting is transmitted：When vehicle ordinary queue waits, front stationary vehicle moves certain segment distance or rear is static after the time The phenomenon that vehicle can just move.The position that mobile transmission speed of waiting then refers to move since front vehicles is to moving rear The distance or distance of motor-car start the ratio of mobile time interval, this value and driving habit, vehicle, car with front and back vehicle Annoyance level away from, direction of traffic etc. is relevant, and the mobile transmission speed of waiting of through vehicles is more for common vehicle in city In 3 ~ 6 m/s.

With reference to the accompanying drawing in described above and the embodiment of the present invention, continue to carry out the technical scheme in the embodiment of the present invention Clearly and completely describe.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole implementation 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.

The moving law of predictable formula traffic signal control is as described in preceding 010 " moving law derivation ".Due to non-maneuver The operation transformational relation of car signal lamp, street crossing signal lamp etc. and motor vehicle signal lamp is often fixed, i.e., the above two hold Easily it is derived from by the latter, so embodiments of the invention are illustrated with the moving law of motor vehicle signal lamp.In addition, only Know that moving law information is only possible to accomplish the Accurate Prediction of traffic light signals in advance, such as conventional multi-period fixed cycle controlling party The usage time of the fixation timing scheme of formula general several days short long several years, i.e. prediction meanss receive a relevant information Use for a long time.Usually, the whole service rule of traffic light signals can often be regarded as by regularly using corresponding with choice of dynamical The main moving law information for including " fixed timing " is formed.Timing uses the different fixed for example multi-period fixed cycles of timing information Control, can be by Accurate Prediction；Choice of dynamical can then be regarded as chooses a certain fixed timing information according to traffic temporarily, such as The information such as the timing scheme selected temporarily under Self Adaptive Control mode.Accomplish that Accurate Prediction needs temporarily to use this The related data of " fixed timing " sends prediction meanss within reasonable time, that is, need to increase traffic signal control with it is pre- The communication function surveyed between device.Because their basic functional principle is identical, so example below is mainly with multi-period fixed week It is described exemplified by phase control mode.

Embodiment 1

A kind of predictable formula traffic signal control of embodiment provided by the invention, the controller can be run by certain moving law And its control can be judged according to the moving law information and its reference time information operation related to the controller by other devices The traffic signal light condition information of system.Foregoing 010 " moving law derivation " is shown in illustrating for relevant moving law, during reference Between information explanation saw for 007 " reference time ".Certain state of the Traffic signal control signal of this controller control and time Relation is certain functional relation, and Fig. 1 is the structural representation that formula traffic signal control can be predicted disclosed in the embodiment of the present invention, With reference to " predictable formula traffic signal control " part in dotted line frame, including main control unit, memory cell, time quantum, fortune Adjustment unit is calculated, gives necessary explanation below.

101. memory cell, the moving law information needed for the predictable formula traffic signal control is stored, this operation rule Rule information mostlys come from the operational factors such as timing scheme, illustrates as described in preceding 013 " moving law information ", can arrange " certain scheme switching time point corresponds to the start-up time of the 1st phase green light ", correspondingly it can also reduce in moving law information " certain phase signal characteristic point information corresponding to specific controller time point ", present invention acquiescence are arranged with this to illustrate.

102. time quantum, the reference time information met required by this controller can be obtained, this reference time information tool Body explanation was shown in for 007 " standard time, reference time ".Both directly it can obtain or connect by the medium containing time signal or information Reference time information needed for receipts, certain standard time information also can be first obtained further according to agreement or combines moving law information requirements Time system obtains required reference time information.Correlation time information both can directly be obtained by network instruction or passively set, Also can be obtained by various Time synchronization techniques.Technology during conventional synchronous school, during such as GPS/ Big Dippeves satellite school, mobile communication Correcting time in network, interconnection network school when, electric wave school when etc., can be selected according to local circumstance.

Preferably, can be by the standard time information and required time system of acquisition to the controller local zone time It is calibrated, local zone time can be made to possess high accuracy with reference to the clock of certain precision（Preferably ensure no cumulative errors when Between the degree of accuracy within 1 second）.So only need that clock is calibrated in a suitable case, generally system is direct Using local zone time as the reference time, embodiments of the invention are uniformly illustrated using this preferred scheme.

103. main control unit, the general function of execution control traffic lights, i.e., function used in current technology, This element is mainly responsible for the functions such as the operation of signaling plan, the conversion of signal sequence and control corresponding signal lamp.This main control Unit can use the operation of above-mentioned obtained reference time management information system.

104. computing adjustment unit, it can be entered according to the relevant moving law information of storage and the reference time information of acquisition The traffic light signals that row computing adjusts controller control are changed at the time of relevant moving law information is met, that is, adjust each phase Position output meets its functional relation y_i=f_i(t), this element content mainly can be with main control unit together in one by program realization.Have The application process for closing acquisition reference time information refers to a kind of " the predictable formula traffic signal control of embodiments of the invention 2 Operation method " its " in step 202, use of reference time information ".

This computing adjustment unit can be by comparing in the reference cyclePhaseCarry out work, i.e., by comparing certain moment phase Certain reality of signal characteristic point in the reference cycle of positionPhaseValue is with the moment under predictable state in the reference cyclePhase PositionSize, then reach purpose of the real work in predictable state by suitably adjusting traffic lights duration, refer to embodiment 2 " operation method of predictable formula traffic signal control " its " computing set-up procedure ", computing adjustment flow refers to Fig. 6 " can be pre- The computing of survey formula traffic signal control adjusts flow ".

In addition, in order that predictable formula traffic signal control enters predictable state as early as possible, startup can be increased and adjust work( Energy." predictable formula traffic signal control opens flow such as Fig. 5 that predictable formula traffic signal control is adjusting from starting shooting to starting Dynamic adjustment flow ", meaning of parameters is with reference to figure 4 " the phase transfer function figure that the predictable formula traffic signal control of another kind exports " And previously herein term, term illustrate, such as 011,012.Wherein, for Fig. 5：

104a. calculates t_xMoment is in the reference cyclePhaseMethod：

If the it is expected that earliest moment t that first green light is opened_x=a_x：b_x：c_X,（Hour：Minute：Second, unified representation of the present invention）, According to t_xAffiliated control time section, if scheme used actual switching time is a_js：b_js：c_js, cycle T_j, then

T under predictable state_xMoment the present position in the reference cycle, be the moment referencePhaseT_i：

T_i=mod { [3600（a_x-a_js）+60（b_x-b_js）+c_x-c_js]/T_j}

Wherein mod（ / ）For MOD function.

Whether 104b. is for 5a in figure, " computing adjustment "：Can be pre- according to thering is related control information to determine whether to be adjusted to Survey state.Sometimes because certain reason changes original predictable state, such as controlling of bus priority signal, emergency it is preferential, When pedestrian's control request signal, some induced signals, manual control, now computing adjustment unit needs break-off, Operation, signal until such " interruption " property etc. eliminate.This arbitration functions is with computing adjustment unit equally mainly with program come real It is existing, all it can be incorporated into main control unit.

In addition, to make still to have under abnormality predictability then to need to shift to an earlier date or send in real time relevant moving law letter Breath, i.e., the information such as " the fixed timing " chosen temporarily under abnormality are sent in time and are received by prediction meanss.Further, may be used So that information preparations such as various " fixed timings ", as a variety of execution models, prediction meanss can be sent in advance by performing model, be had Then only sent when body uses and perform model code and Starting Executing Time information.

Predictable formula traffic signal control is not high to hardware requirement, CPU used in common traffic signal control （Such as ARM）, FPGA technology, PLC, the even hardware such as single-chip microcomputer typically all there is corresponding computing judgement, if when meeting Between, computing, IO, storage etc. require, can upgrade to predictable formula traffic signal control by changing software program.

Embodiment 2

The embodiment of the present invention provides a kind of operation method of predictable formula traffic signal control, and this operation method is needed for acquisition Reference time information simultaneously adjusts the controller using the signal duration under fixed timing information control and exports certain rule traffic The process of lamp control signal, certain described rule traffic grade signal refer to not only to meet the fixed timing information but also met and institute The Traffic signal control signal of the related moving law information of controller is stated, step includes：

Reference time information needed for 201. acquisitions；

202. are employed or in combination with above-mentioned reference time information and the related moving law information operation adjustment fixed timing information Signal duration under control, its traffic grade signal exported is set to meet the related moving law information.

Wherein：

In step 201, the method for reference time information needed for acquisition：Can be first from matchmaker of the outside containing time signal or information Be situated between standard time information needed for obtaining or receiving, or first obtains other standards temporal information, further according to agreement or combines operation rule The time system of information requirements is restrained, tries to achieve local required reference time information.Relevant criterion temporal information can be straight by instructing Setting is connect, obtains or is obtained by various Time synchronization techniques.Technology, such as the GPS/ Big Dippeves satellite school during conventional synchronous school When, mobile communications network school when, interconnection network school when, electric wave school when etc., can according to circumstances select.

Preferably, local zone time can be used directly in the case where local clock meets accuracy requirement as the reference time Information, and agreement or moving law information are only combined by outside certain standard time information for obtaining or receiving in appropriate situations It is required that time system local clock is calibrated.

In step 202, the use of reference time information：It is a kind of be according to reference time of acquisition and local zone time when Between deviation the run time about control object is compensated so that control object be actually executed the time with agreement or fortune The temporal information of the time system of professional etiquette rule information requirements is consistent.Illustrate and saw for 008 " controller time ", it is another then be straight Connect and this is used come the operation of control system, the embodiment of the present invention as the reference time using the local system time for meeting the degree of accuracy Scheme illustrates.

Maximum length in time needed for computing adjustment coherent signal duration is usually no more than 3 signal periods, computing adjustment Step includes：

202A. obtains time Δ t of certain the actual phase signal characteristic point with respect to certain reference point；

202B. according to related moving law information calculate the signal characteristic point under predictable state correspond to the moment relatively on State the time T of certain reference point；

202C. compares Δ t and T and adjusted:

When Δ t is more than T, suitably reduce the red and/or long green light time after the signal characteristic point

When Δ t is less than T, suitably increase the red and/or long green light time after the signal characteristic point

When Δ t is equal to T, do not adjust

Wherein：

Due to the relativity of position, certain reference point in 202A can be any point, but for convenience, be arranged to originate here Reference point, beginning point of reference explanation are shown in 012, illustrated below using the reference point as beginning point of reference；

In step 202A, can be recorded according to actual conditions some certain phase signal characteristic point occurred to it is corresponding when Carve, then calculate time Δ t of the signal characteristic point relative to the beginning point of reference in place cycle.

In step 202B, the signal characteristic point corresponds to time T of the moment with respect to the beginning point of reference in this cycle, as can The reference at the moment under predicted statePhase, refer to previously herein term, term explanation, such as 011 and 012.

Step 202A, 202B orders are interchangeable, can not perform adjustment function under special circumstances sometimes, can be in 202A steps It is preceding to increase the judgement for whether carrying out computing adjustment, such as the 6a in Fig. 6 " predictable formula traffic signal control computing adjustment flow " , reference may also be made to 104b " whether computing adjustment " explanation；

Illustrate the specific method flow of computing adjustment below.

It can be adjusted by certain moment, every phase, a certain phase or other means, it is real to lift one below with every phase adjustment Example explanation：

If using certain to fix timing information as a kind of fixed timing scheme, its actual time started is a_j：b_j：c_j, the cycle is T_j , then：

Formula traffic signal control can be predicted by the start reference that certain cycle is recorded after fixed timing scheme output signal in 202X. Point moment t₀, the actual Startup time t of the i-th phase green light_iIf t_i=a_is：b_is：c_is；

202Y. calculates time Δ t=t of the i phase green light start-up times relative to this cycle beginning point of reference_i-t₀；

202Z. calculates t under predictable state_iMoment is in the reference cyclePhaseT=T_i

T_i=Mod{[3600（a_is-a_j）+60（b_is-b_j）+c_is-c_j]/T_j}

Wherein, mod（ / ）For MOD function, specific workflow refers to predictable formula traffic signal control computing adjustment Flow chart 6.Wherein red light or long green light time can continue to adjust in a phase during compensation rate deficiency in next phase.

Above example is the operation method flow under fixed timing scheme, can be applied to single period and multi-period fixed cycle Control mode.Especially, for other control modes, in some cases, if the friendship within its continuous work period Messenger change is identical, and occurs can also refer to identical Principle Method when probability is higher and give traffic signal control increasing Add predictable function, passenger can be made to improve the probability of Accurate Prediction traffic light signals state in some cases.Have not at present Function when few new traffic signal controlling machine has the schools such as GPS, if time accuracy meets the requirements, increase " prediction " function Easily, or even only software program is changed.

Embodiment 3

A kind of Forecasting Methodology of embodiments of the invention, it is the traffic letter that energy computing judges predictable formula traffic signal control control The method of signal lamp status information, the traffic signal light condition information mainly include red light and green light residual time length information, this side Method, which needs to obtain certain crossing, the related moving law information of gateway controller and reference time information, this moving law information tool Body explanation is shown in 013 " moving law information ", and the explanation of reference time information was shown in for 007 " reference time ", and step includes：

301. obtain the moving law information related to certain crossing；

302. obtain the reference time information of the controller；

303. according to needed for related the moving law information and reference time information of acquisition try to achieve the crossing traffic lights shape State information.

Wherein,

Step 301 can sequentially adjust as needed with step 302；

In step 301, can select the moving law information that certain crossing is related as needed, for example, can according to residing for passenger position Put, the positional information at crossing needed for travel direction etc. determines determines the predictable formula traffic signal control associated with position again Moving law information and the phase information that may be used；

In step 302, the preparation method of the reference time information：Both can be straight by the medium containing time signal or information Reference time information needed for taking or receiving is obtained, also can first obtain certain standard time information further according to agreement or with reference to moving law The time system of information requirements obtains required reference time information.Correlation time information both can directly be obtained by network instruction, Also can be obtained by various Time synchronization techniques.Technology during conventional synchronous school, during such as GPS/ Big Dippeves satellite school, mobile communication Correcting time in network, interconnection network school when, electric wave school when etc., can be selected according to local circumstance；

Preferably, can be by certain requirement of standard time information combination prediction meanss to time system of acquisition to local zone time It is calibrated, local zone time can be made to possess high accuracy with reference to the clock of certain precision（Preferably ensure no cumulative errors when Between the degree of accuracy within 1 second）.So only need that local clock is calibrated in a suitable case, generally system Directly use local zone time to be used as the reference time, or be converted to by time system requirement of the local zone time with reference to the controller Required reference time, conversion method referred to for 007 " reference time "；

In step 303, the method for solving certain phase signal lamp state information：

Moving law according to predictable formula traffic signal control is certain state of relevant traffic signals and the function of time Relation y_i=f_i(t) certain moment phase signal lamp state, is tried to achieve using reference time as the controller time obtained Information.Below according to about moving law information and relevant functional digraph, using conventional multi-period fixed cycle control mode as Example is described, and is set here with certain specific controller time point, if the switching time of scheme is as signal characteristic point " the 1st phase Green light start-up time ".

If passenger needs the signal lamp state information of " the i-th phase ", that is, seek controller time point t_xMoment i phase Signal lamp state information, then：

If t_xThe reference at momentPhaseFor T_x, place phase x, green light start-stop of the i phases in the reference cyclePhaseRespectively T_is、T_io, Fig. 4 " the phase transfer function figure of the predictable formula traffic signal control output of another kind " is referred to, computing judges t_x The flow of the signal lamp state information of moment i phase is with reference to " the traffic light status information of predictable formula traffic signal control of figure 7 Solution flow chart ".T in square frame 7a in figure_xComputational methods it is as follows：

If t_x = a_x：b_x：c_x （When：Point：Second）, control program used in switching controller time point be a_j：b_j：c_j（When：Point： Second）, the place signal period be T_j, then：t_xThe reference at momentPhase:

T_x=Mod{[3600（a_x-a_j）+60（b_x-b_j）+c_x-c_j]/T_j}

Wherein mod（ / ）For MOD function.T can be tried to achieve using Fig. 7_xThe weight such as the green light of moment arbitrary phase, red light residual time length Data are wanted, if t_xReal-time signal lamp state information can be obtained for current time.

If many smart machines obtain the temporal information outside equipment using special time synchronized software or directly at present, The time accuracy then obtained was easily controlled within 1 second, and the prediction that can realize traffic signal state by software judges work( Energy.

As a practical example, a traffic lights information indicator function can be increased on existing electronic map, it is convenient Navigation software uses.In addition can utilize 303 try to achieve red light residual time length can obtain in conjunction with other information vehicle wait it is red Lamp down time, may also be combined with vehicle itself is lost Drainage feature, road safety requirement, environmental requirement of vehicular seat etc. Prompt rational drive manner and/or suitable speed and/or whether the information such as switch-off.It is " a kind of pre- with specific reference to embodiment 5 Survey device " in when red light " wait whether the implementation of switch-off ".

Embodiment 4

Another Forecasting Methodology provided by the invention, this Forecasting Methodology are to use the moving law related to traffic signal control The method that information combination time difference information calculates relevant traffic signal lamp state information, the moving law information include relevant phase Information, phase sequence information, outside each signal duration information, it is also special including at least a controller time point and certain phase signal The related information of point is levied, the time difference is between certain controller noted above time point and the time of prediction meanss reference time point Every.

This method is also applied for the ordinary traffic signal controller with predictability, if normal operation is in fixed timing letter Ordinary traffic signal controller under breath control, within short time, such as 30 minutes, its system time deviation will be generally less than 0.1 second and ignore, it is believed that be to be run by certain moving law and there is predictability in the short time.Prediction meanss institute The moving law information needed, also need to obtain controller moment phase letter in addition to the timing information including the controller The reference of signal lamp state, in other words certain momentPhase.Illustrate implementation process underneath with the Method And Principle about moving law.

This Forecasting Methodology is really by certain controller time point t_mOn phase transfer function figurePhaseWith reference to the time Point and prediction meanss t_yThe time difference Δ td at moment, obtains prediction meanss t_yThe reference at momentPhaseAnd then try to achieve certain moment phase Traffic light signals information.Related information that the moving law packet contains further can directly be set as controller time point t_m Time relative to beginning point of reference is T_m , i.e. controller time t_mReference of the moment on its phase transfer function figurePhase, With reference to figure 4 " the phase transfer function figure that the predictable formula traffic signal control of another kind exports ".

Calculation step is as follows：

401. obtain the moving law information related to certain crossing and time difference information；

For ease of computing, if the related information that the moving law packet contains is：Controller time t_mThe reference at momentPhaseT_m, The information transmitted is from controller time t_mMoment sends to prediction meanss and receives t_yIt is time difference Δ td the time required to moment, ignores The times such as information processing, computing, the time difference, Δ td was mainly by t_mMoment to relevant information send etc. time Δ tw to be sent and biography Propagation delay time Δ tt during defeated is formed, i.e.,

Δtd = Δtw+ Δtt

Propagation delay time Δ tt can determine corresponding acquisition methods according to transmission feature, such as can be according to some networks for network transmission Host-host protocol is obtained using order；The mode of transmission information addition time tag can be obtained etc. time Δ tw to be sent, now Between information can be contained in moving law information and send together, or sent with moving law unpack, due to Δ tw be Determination before self information is sent, so the Δ tw values of transmission can be more smaller than reality, it is appropriate to determine whether as needed Compensation.

402. are obtained the signal lamp state information of required phase by above-mentioned moving law information with reference to above-mentioned time difference information.

402a. sets the signal cycle of operation as T, by controller time t_mThe reference at momentPhaseT_m , time difference Δ td, it is known that Prediction meanss moment t_y= a_y：b_y：c_yReferencePhase：

T_y = MOD{( T_m + Δtd )/ T }

Then prediction meanss local moment t_x= a_x：b_x：c_xReferencePhase：

T_x =Mod{{T_y+[3600（a_x-a_y）+60（b_x-b_y）+c_x-c_y]}/T}

Wherein, MOD (/) is MOD function.

402b. seeks prediction meanss t_xThe signal lamp state information of the i phases at moment

If t_xMoment is in X phases in the reference cycle, and i phase green lights are can obtain by the timing information in moving law information Starting pointPhaseT_isAnd terminalPhaseT_io, with reference to above-mentioned T_xThe signal lamp state information of i phases, idiographic flow reference chart can be obtained 7 " the solution flow charts of the traffic light status information of predictable formula traffic signal control ".

In addition_,Red light residual time length can be tried to achieve using 402b, can further be obtained with reference to the other information on electronic map The wait red parking time of vehicle, it may also be combined with loss Drainage feature, road safety requirement, the vehicular seat of vehicle itself Environmental requirement etc. obtain drive manner prompting and/or suitable speed and/or whether the information such as switch-off.With specific reference to implementation When red light " wait whether the implementation of switch-off " in example 5 " a kind of prediction meanss ".

As long as the actually moving law Information invariability of traffic signal control, a relevant information arithmetic facility is obtained just It can use for a long time, the length of this time is relevant with the time stability of equipment and related request.Related moving law information Recommend to send or obtain for the previous period performing with time difference information, this, which not only contributes to safe energy-saving emission-reducing, can also reduce pair The delay requirement of " interconnection in real time ".Sending the method for acquisition information can transmit by direct Wireless transceiver or in a manner of wireless network, Refer to embodiment 6 " information updating method between a kind of predictable formula traffic signal control and prediction meanss ".

Embodiment 5

A kind of prediction meanss of embodiment provided by the invention, the prediction meanss are can the predictable formula traffic signals control of computing judgement The device of the traffic signal light condition information of device control processed, may not only be applied to mobile unit, such as navigator, can be used for pedestrian Portable equipment, wearable device etc..

The structural representation of prediction meanss disclosed in the embodiment of the present invention such as Fig. 2, wherein each unit function can be as needed Reconfigure, prediction meanss 500 include：

First module 501, for storing the moving law letter for all predictable formula traffic signal controls correlations that may be used Breath, illustrating for this moving law information refer to 013 " moving law information ", and the specific data reference embodiment of the present invention is public The service work rule hum pattern 12 for the predictable formula traffic signal control opened.

Second unit 502, for obtaining information, including passenger's position and movement directional information, and based on acquired Information is in first module 501 or other positions obtain required moving law information, and the passenger fills including the use of prediction The vehicles or pedestrians put；

The method that the second unit 502 obtains information, it can automatically be obtained and worked as using global position system in electronic map The information such as the position of preceding passenger, movement velocity, the direction of motion, then it is combined calculating with the link location information of neighbouring intersection Judge intersection and the phase information that may be needed, the positional information of the last intersection needed for is in first module In 501 or other positions determine associated moving law information.

If believed in addition, predictable formula traffic signal control is sent temporarily with fixing the moving law based on timing information During breath, then need prediction meanss to receive this information within reasonable time, can wirelessly transmit, can specifically join Examine the embodiment of the present invention 6 " information updating method between a kind of predictable formula traffic signal control and prediction meanss ".Further Ground, the execution model of good various fixed timing information can be stored in advance in first module 501, as long as receiving related fixed timing The code of information and execution time.

Third unit 503, for obtaining the reference time information of CCU；

The reference time information explanation that the third unit 503 obtains was shown in for 007 " reference time ".Both can be by believing containing having time Number or information medium directly obtain or receive needed for reference time information, also can first obtain certain standard time further according to agreement or The reference time information with reference to needed for obtaining the time system of moving law information requirements.Correlation time information can both be referred to by network Order directly obtains, and can also be obtained by various Time synchronization techniques.Technology, such as the GPS/ Big Dippeves satellite school during conventional synchronous school When, mobile communications network school when, interconnection network school when, electric wave school when etc., can be selected according to local circumstance.

Preferably, can also be directly using local zone time as ginseng on the premise of the local zone time degree of accuracy meets to require Examine the time, or the required reference time is converted to by the system time requirement of local zone time combination CCU.There can be school When signal when local clock is calibrated to improve using the requirement of certain standard time information combination prediction meanss time system The degree of accuracy of time.

The operation that 4th unit 504, the reference time information obtained according to third unit 503 and second unit 502 obtain Rule information operation judges the signal lamp state information of the possibility phase of controller control, the signal lamp state packet Include the residual time length information of red light and/or green light.

Only it is to be understood that moving law f=y of predictable formula traffic signal control（t）And parameter, with reference to the controller Reference time information, the status information of certain moment phase signal lamp of the controller control can be obtained；Now with conventional Illustrated exemplified by multi-period fixed cycle control mode.

If the current direction of passenger is i, t is now sought_xThe signal condition of the i phases at moment, if t_xThe reference at momentPhase For T_x, place phase x, green light start-stop of the i phases in the reference cyclePhaseRespectively T_is、T_io, then formula traffic letter can be predicted The solution flow chart of the traffic light status information of number controller is shown in Fig. 7, and relevant data refer to Figure 12 " predictable formula traffic signals The service work rule information of controller ".If t_xFor current time, then required result is current traffic signal light condition Information, the Forecasting Methodology of previous embodiment 3 is referred to, here is omitted.

5th unit 505, the signal lamp state information judged according to the computing of Unit the 4th 504 export people and/or function The information enough identified；

The traffic signal light condition information exported according to the 4th unit 504 is directly used by other equipment or after processing using text The forms such as word, image, sound prompt passenger, are such as output in display or sound equipment equipment, or pass through wirelessly or non-wirelessly side Formula is transferred in other equipment and used.Wherein, the mode being wirelessly transferred can by various wireless networks, as bluetooth, zigbee, WLAN, GPRS, 4G or the transmission such as infrared.

It is possible to further with reference to where waiting the red parking time to combine the loss Drainage feature of different vehicle, vehicle The outputs such as ground environmental requirement whether the information such as switch-off.

Usually, the Relationship Comparison of the operational efficiency of different vehicle, exhaust emissions etc. and road speed, drive manner is answered Miscellaneous, the safety requirements of different roads is not quite similar, and in different regions, the environmental requirement of different time is also had any different, and which type of is used Speed energy safety economy by traffic lights, whether be necessary switch-off when waiting red light, it is one rationally to handle the above Individual problem, the present invention provides a solution, i.e., by the expert of each side such as automobile, traffic, environmental protection according to different automobile types, road Regional environmental requirement etc. belonging to road safety requirements, the period meticulously formulate different instruction, binding signal lamp status information, away from Device is set to provide the prompting or/and selection of " optimal " automatically from, condition of road surface etc.：Select the time required to which crossing it is shorter, With which kind of speed by crossing it is optimal, the red light such as run into when whether need switch-off etc..

First say down " the wait red parking time ", illustrate and see 016, under normal circumstances mainly by the red light of current phase The time that residual time length is transmitted and postponed with movement of waiting is formed, and the mobile relevant explanation transmitted of waiting is shown in 017 " movement of waiting Transmit ".

When waiting red light whether the implementation of switch-off, step is with reference to as follows：

505A1. sets the red light residual time length of this phase as Tr, the signal lamp state that can be judged by the computing of Unit the 4th 504 Information acquisition；

505A2. sets this vehicle with the distance or distance of signal lamp or stop line as L, and mobile transmission speed of waiting is Vc（Wait Mobile transmission speed is relevant to be illustrated to see 017 " mobile transmission speed of waiting ", herein the optional higher values of Vc）, then Ben Cheyin wait shifting Move the time Td=L/Vc for transmitting and postponing；

This car of 505A3. waits red parking time Tp=Tr+Td；

505B. may also be combined with the loss discharge characteristics that the information such as temperature, vehicle condition determine the car, further according to its loss according to vehicle Feature, discharge characteristics draw economy data G1, emissions data PM1 idle in time Tp respectively；Restart after flame-out Economy data G0, emissions data PM0；

505C. is corresponding by the wait red parking time, or with reference to formulations such as above-mentioned economy data, emissions data, environmental requirements Strategy, for example, vehicle because etc. stop red light it is mobile after：

According only to the wait red parking time：Tp >During 60s, prompt to stop working, or：

When environmental requirement is higher：PM1 >Prompted during PM0 flame-out；

When cost-effectiveness requirement is high：G1 >Prompted during G0 flame-out；

Comprehensive strategic：G0/G1 > PM1/PM0 >1 or PM0/PM1> G1/G0 >Prompted when 1 flame-out.

Wherein, economy data G0, G1 are primarily referred to as the economic loss caused by energy loss and other losses, energy damage Consumption such as fuel oil or other energy loss, other losses as on engine, battery aging effects and caused by influence etc.；Emission Form more complicated, provided a brief description here with aggregate data PM0, PM1.In fact, the vehicle of different dynamic type As gasoline engine, diesel engine, various new energy power equal loss discharge difference it is larger, can set as needed corresponding mathematics model with Just apply.

Embodiment 6

Information updating method between a kind of predictable formula traffic signal control provided in an embodiment of the present invention and prediction meanss, institute State information updating method and refer to that server receives the moving law information related to formula traffic signal control can be predicted and transmitted Process to prediction meanss.Figure 16 is predictable information transfer network signal between formula traffic signal control and prediction meanss Figure, needs to use a kind of server therebetween, can be network renewal server, can have following function:

- database is provided, storage can be received and include the related moving law information of predictable formula traffic signal control

- preserve renewal Rule Information or more new strategy

- preserve user profile, such as user's request, fresh information

- transmission information

Basic step includes：

601. renewal servers are received, handled, storage includes the various operation rule related to predictable formula traffic signal control Restrain the contents such as information；

602. renewal servers or prediction meanss initiate connection request to other side；

603. establish connection via wirelessly or non-wirelessly network between renewal server and prediction meanss；

604. carry out the adaptation about the moving law information content according to demand；

605. are pushed to prediction meanss by the connection of foundation relevant moving law information.

Wherein：

In step 601, the content that renewal server receives can be automatically updated server by traffic signal control system, or by phase Pass personnel pass through wire link（Such as cable, optical cable）, Radio Link（Such as wireless communication link, infrared link, Bluetooth link Deng）Or various storaging mediums（Such as u disks, hard disk, CD）Etc. mode being delivered to for information about on server, as long as some can The related moving law Information invariability of prediction type traffic signal control, transmission is once；

In step 602,603, renewal server can find target prediction device according to more new strategy or the user profile of preservation etc., Prediction meanss also can initiate connection request to server in good time according to itself strategy when there is network connection；

In step 604, content can specifically be pushed according to the determination such as renewal server and the renewal comparison strategy of prediction meanss；

In step 605, as long as the moving law Information invariability that certain predictable formula traffic signal control is related, prediction meanss are once Acquisition can use always, until the moving law information changes.

Above methods ＆＆ steps of implementation is a special case relevant with the present invention, and one of ordinary skill in the art should manage Solution can also increase other functions, can also realize transmission for information about in other ways.

Be used above various embodiments and Principle Method predictable formula traffic signal control, prediction meanss, Forecasting Methodology and Information updating method gives system all-side introduction, can be referred to mutually between each embodiment, it is noted that for the art Those of ordinary skill for, under the premise without departing from the principles of the invention, can use other method carry out computing judgement or Some modifications and adaptations are made, these are regarded as protection scope of the present invention.

Claims (10)

1. a kind of predictable formula traffic signal control, the predictable formula traffic signal control can be transported by certain moving law Go and its control can be judged according to the moving law information and its reference time information operation related to the controller by other devices The traffic signal light condition information of system, when the moving law information includes relevant phase information, phase sequence information, each signal Outside long message, also including at least a controller time point and the related information of certain phase signal characteristic point；During the reference Between, it is the time on the basis of the time of the standard time system required by the controller and in certain deviation range, it is described Predictable formula traffic signal control includes main control unit, memory cell, time quantum, wherein, main control unit can perform Control the general function of traffic lights, it is characterised in that：

The memory cell stores the moving law information needed for the predictable formula traffic signal control；

The time quantum can obtain the reference time information；

The predictable formula traffic signal control also includes：

Computing adjustment unit, computing adjustment institute can be carried out according to the moving law information of storage and the reference time information The traffic light signals for stating controller control are changed at the time of the moving law information is met；

Wherein, the computing adjustment unit can be with the main control unit together in one.

2. predictable formula traffic signal control according to claim 1, it is characterised in that：The moving law information, Including at least certain phase signal characteristic point information corresponding to a specific controller time point.

3. a kind of operation method of formula traffic signal control predictable as claimed in claim 1, the operation method is acquisition The reference time information simultaneously adjusts the controller using the signal duration under fixed timing information control and exports certain rule The process of traffic grade signal, certain described rule traffic grade signal refer to not only meet the fixed timing information but also met The Traffic signal control signal of the moving law information related to the predictable formula traffic signal control, its feature exist In：Step includes：

Obtain the reference time information；

It is employed or in combination with the reference time information and the related moving law information operation adjusts the fixed timing information Signal duration under control, its traffic grade signal exported is set to meet the related moving law information.

4. operation method according to claim 3, it is characterised in that：The computing set-up procedure includes：

202A. obtains time Δ t of certain the actual phase signal characteristic point with respect to certain reference point；

202B. according to calculating under predictable state the moving law information certain phase signal characteristic point to it is corresponding when Carve the time T of certain relatively described reference point；

202C. compares Δ t and T and adjusted：

When Δ t is more than T, suitably reduce the red and/or long green light time after the signal characteristic point；

When Δ t is less than T, suitably increase the red and/or long green light time after the signal characteristic point；

When Δ t is equal to T, do not adjust；

Wherein, step 202A, 202B can as needed adjustment order.

5. a kind of Forecasting Methodology, the Forecasting Methodology is can computing judgement predictable formula traffic signals control as claimed in claim 1 The method of the traffic signal light condition information of device control processed, it is characterised in that：This method includes：

Obtain the moving law information related to certain crossing；

Obtain the reference time information；And

The traffic lights shape for judging that the crossing is related is calculated according to the moving law information and the reference time information State information；

Wherein, obtain the moving law information and can be adjusted as needed with obtaining the reference time information sequencing.

6. a kind of Forecasting Methodology, the Forecasting Methodology is when being combined using the moving law information related to traffic signal control The method that poor information calculates relevant traffic signal lamp state information, the moving law information include relevant phase information, phase Outside sequence information, each signal duration information, also including at least a controller time point and the pass of certain phase signal characteristic point Join information, the time difference is the time interval of certain reference time point of certain described controller time point and prediction meanss, its feature It is：Including：

Obtain the moving law information related to certain crossing and the time difference information；

By the signal lamp state information of moving law information phase with reference to needed for being obtained the time difference information.

7. according to the method described in claim 5,6, it is characterised in that：Whether can also stop with reference to waiting the red parking time to provide The flame-out information of car.

8. a kind of prediction meanss, the prediction meanss are can computing judgement predictable formula traffic signals control as claimed in claim 1 The device of the traffic signal light condition information of device control processed, it is characterised in that：Including：

First module, the moving law information related for storing all traffic signal controls that may be used；

Second unit, obtained for obtaining information, including passenger's position and movement directional information, and based on the acquisition information The related moving law information of relevant traffic signal control, vehicles or pedestrians of the passenger including the use of prediction meanss；

Third unit, for obtaining the reference time information of CCU；

Unit the 4th, the controller is judged according to the reference time information and the moving law information operation obtained The signal lamp state information of control, the signal lamp state information include the residual time length information of red light and/or green light；

Unit the 5th, the information that the signal lamp state information controlled according to the controller exports people and/or machine can identify.

9. prediction meanss according to claim 8, it is characterised in that：

Unit the 5th can refer to wait the red parking time provide whether the information of switch-off.

10. a kind of can be predicted between formula traffic signal control and prediction meanss as claimed in claim 8 as claimed in claim 1 Information updating method, it is related to the predictable formula traffic signal control that described information update method refers to that server receives Moving law information and the process for passing to the prediction meanss, it is characterised in that comprise the following steps：

The server receives the related content for including the moving law information；

Connection is established between the server and the prediction meanss via wirelessly or non-wirelessly network；

The content adaptation for including the moving law information is carried out according to demand；

The prediction meanss will be given by the connection of foundation containing the moving law information transmission.