CN109606433A - A kind of road traffic signal analogue system applied to tramcar - Google Patents
A kind of road traffic signal analogue system applied to tramcar Download PDFInfo
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- CN109606433A CN109606433A CN201811587104.1A CN201811587104A CN109606433A CN 109606433 A CN109606433 A CN 109606433A CN 201811587104 A CN201811587104 A CN 201811587104A CN 109606433 A CN109606433 A CN 109606433A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/60—Testing or simulation
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
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Abstract
The present invention relates to a kind of road traffic signal analogue systems applied to tramcar, including industrial personal computer and streetcar track signal system OLC, the industrial personal computer is connect by DIO board with streetcar track signal system OLC, the industrial personal computer embeds UI interactive module, Traffic Flow Simulation module and road traffic signal control system TSC, the UI interactive module is connect with streetcar track signal system OLC and Traffic Flow Simulation module respectively, and the Traffic Flow Simulation module is connect with road traffic signal control system TSC.Compared with prior art, the present invention has many advantages, such as to provide true and reliable tramcar signal system simulated environment.
Description
Technical field
The present invention relates to a kind of road traffic signal analogue systems, more particularly, to a kind of road applied to tramcar
Traffic signal simulating system.
Background technique
In current urban public tranlport system, traffic of the modern tram as new generation of green sustainable development
Tool starts the visual field for reentering people, has the spies such as middle freight volume, low cost, the construction period is short, pollution is small, and noise is small
Point is very suitable to undertake the function that the suburb on the backbone public transport of China small and medium cities or large size city periphery is plugged into.China is very
More cities also gradually start to build modern tram route.The main application scenarios of modern tram system are urban road
Traffic, the traveling space not completely enclosed are laid in the form of usual friendship in most of urban road intersection, lead to rail
Electric car needs to share right of way with road traffic in intersection.In order to improve the travel speed of tramcar, many tramcar items
Mesh all takes the intersection control model for introducing crossing priority.When tramcar is close to crossing, tramcar trackside signal
System can send the signal of Train Approaching to road traffic signal control system, complete operation simultaneously by road traffic control machine later
To the state of tramcar signal system feedback communication signal, after the state for receiving signal at clear, tramcar signal system will
For its open exclusive signal lamp of train, gives train passage and ensure the safety of road traffic.
In actual engineering project, a set of tramcar is built using industrial personal computer, Traffic Flow Simulation software and DIO board
Road traffic emulates signal system, can be realized the emulation to tramcar all fronts road traffic flow, and can be according to actual items
In design requirement, export the signal condition of each intersection to tramcar crossing priority system in real time by DIO board, simulate
Road traffic and tramcar signal two are realized in data interaction between road traffic signal system and tramcar signal system
The interconnection of big system.The analogue system may be implemented to dock with tramcar simulation test platform, more true simulation rail
The actual motion state of electric car can be used as the traffic simulation research of tramcar and road traffic flow, also can be used as rail electricity
The testing tool of bus or train route mouth priority signal system has many advantages, such as that deployment is simple, at low cost, emulation reduction degree is high.
Currently, the simulation test platform of domestic integrated not yet road traffic control system and tramcar signal system,
The overwhelming majority is based only upon the tramcar module in Traffic Flow Simulation software for the emulation testing of tramcar.Common traffic
Stream simulation software does not have the function of complete simulation tramcar signal system, therefore simulation result is often poor with the actual running results
It is different larger.Therefore perfect tramcar road signal simulation test software is built, realizes road traffic emulation platform and track
The docking of signal system emulation platform, in terms of the design of tramcar system, the test of equipment, road traffic
There is particularly important meaning.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to be applied to rail electricity
The road traffic signal analogue system of vehicle.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of road traffic signal analogue system applied to tramcar, including industrial personal computer and streetcar track signal
System OLC, the industrial personal computer are connect by DIO board with streetcar track signal system OLC, and the industrial personal computer is embedded
UI interactive module, Traffic Flow Simulation module and road traffic signal control system TSC, the UI interactive module respectively with rail
Tramway signal system OLC is connected with Traffic Flow Simulation module, the Traffic Flow Simulation module and road traffic signal control
System TSC connection processed；
After the UI interactive module receives the detector signal of streetcar track signal system OLC by DIO board,
It is exported by software interface to TSC, realizes the triggering to tramcar crossing priority in simulating scenes, TSC then can be according to this
A little priority signals operate tramcar crossing priority strategy and adjust roadway sign, after emulation TSC crossing priority application, work as letter
Number wheel exports corresponding track signal to UI interactive module by software interface and controls when going to tramcar priority communication phase
Instruction, UI interactive module is by parsing and handles, then from DIO board to the control semaphore of OLC output track signal lamp, finally
Complete the implementation of tramcar signal priority and the linkage of the big system of railroad tracks two.
Preferably, the DIO board includes numeral input board, digital output board card, first terminal row, Second terminal
Row and relay, the digital tablet card is arranged by first terminal and is connect with streetcar track signal system OLC, described
Digital output board card pass sequentially through Second terminal row and relay connect with streetcar track signal system OLC.
Preferably, the streetcar track signal system OLC includes track signal lamp, trackside detector, track letter
Number control machine, the track signal control machine are connect with track signal lamp, trackside detector respectively, the trackside detector
It is laid in the streetcar track for closing on crossing；
The trackside detector is laid in different location according to the difference of function, can be divided into from the distant to the near away from crossing
Advance notice detector, request detector into detector and leave detector；
When train crosses trackside detector, trackside detector will be motivated and control machine output level to track signal
Signal, track signal control machine, according to control logic, will export induction signal to TSC after receiving signal, and according to TSC's
Feedback realizes the unified connection of tramcar signal and road traffic signal with this to drive the track signal lamp of tramcar
It is dynamic.
Preferably, the UI interactive module is the operation interface for being supplied to user, and user is straight in operation interface
That sees sees each trackside detector in tramcar signal system, and track signal lamp and crossing priority advance notice, occupy request
State；
By manual input mode, each trackside detector, the track signal in streetcar track signal system OLC are controlled
Lamp state simulates different test scenes；
Load emulation map, checks real time execution shape of the train in simulating scenes by the interface of Traffic Flow Simulation module
State and key parameter.
Preferably, the Traffic Flow Simulation module utilizes the interface of Traffic Flow Simulation software, and backstage is realized and emulation field
The docking of scape can export every key parameter and Traffic Evaluation knot in road Traffic Flow Simulation scene to UI interactive module
Fruit, UI interactive module can be completed by interface to the control parameter of simulating scenes input track signal system to tramcar
Operation emulation in real line.
Preferably, the industrial personal computer connects in such a way that level signal acquires with streetcar track signal system OLC
It connects；
Wherein industrial personal computer has expansible board slot, and user can install the DIO board of respective numbers according to demand, leads to
Driving and the developing instrument for crossing DIO board can be realized the semaphore of operating system software and the conversion of physical level semaphore,
Realize the input and output from software view to hardware view.
Preferably, the DIO board can make analogue system can adapt to have not by external terminal row and relay
With the OLC that input and output are laid, the input/output signal under different voltages can be supported to acquire；It can be hard using such mode
OLC and the TSC interface of abundant simulating realistic on part and software.
Preferably, the analogue system is not only supported for the imitative of crossing priority system single on street railway
Very, the emulation testing of Multiple Intersections or even all fronts can be also supported；
Can be according to the crossing of user demand, the quantity of semaphore, extension industrial personal computer and DIO board card provide more for user
The emulation testing scene at crossing；
Meanwhile for the testing requirement of Multiple Intersections, analogue system has been also equipped with the interface and communication mode of Ethernet, when with
When the demand of a large amount of true OLC is not accessed at family, analogue system can pass through ether by network and external realization data interaction
The form input of net and output acquisition semaphore.
Preferably, the UI interactive module provides patterned display interface for user and interacts behaviour with user friendly
Make, level signal that the trackside detector output drive signal, OLC in practical engineering application scene are exported to TSC, TSC are to OLC
The lamp position control signal of output is all intuitively presented in UI interactive module；
UI interactive module provides two kinds of control models for user, automatically enters mode and manual input mode, automatic defeated
Enter under mode, analogue system can drive TSC and industrial personal computer, and real-time according to the detector signal amount come from true OLC acquisition
To the control semaphore of OLC output tramcar special signal lamp；
User can be visually seen the state that sends and receives of each semaphore on UI interactive module interface: predict, request,
Enter and leave detector state, tramcar special signal lamp state, road traffic flow operating condition；
Under manual input mode, all trackside detectors and track signal lamp on interface will become that state can be clicked, and use
Family can manually complete the input or output of semaphore by clicking detector, track signal lamp control on interface；
The abundant freedom degree for promoting user's test, user can be simulated some reality by clicking control by manual mode
The complex scene of more difficult appearance in operation, or the operation stability of some abnormal inputoutput pair OLC of simulation are assessed, rich
The rich means of testing of user is conducive to user and realizes comprehensive test to OLC.
Preferably, in terms of traffic simulation, analogue system provides adjoint and two kinds of control modes of override requests for user；
Under adjoint mode, analogue system believes the detector that generation is clicked in no longer acquisition in OLC or UI interactive module
Number, TSC will keep the drive manner under its conventional road traffic control model, and analogue system will not be the open road of tramcar
Mouth priority signal, but when TSC wheel goes to the phase for belonging to tramcar, just tramcar special signal lamp is exported to OLC
Opening right of way signal, under such mode, tramcar will be unable to preferentially pass through when arriving at crossing, but not to road traffic flow
It affects greatly；
Under override requests mode, analogue system is believed the detector for clicking generation in OLC or UI interactive module is acquired
Number, TSC is carried out accordingly according to collected advance notice, request, into and out signal, when tramcar arrives at crossing, root
Right of way signal is opened to OLC output tramcar special signal lamp according to preference strategy, implements signal priority for tramcar.
Compared with prior art, the invention has the following advantages that
(1) complete tramcar road Traffic signal simulating system has been built, has included road traffic signal control system
TSC, tramcar urban road simulated environment and track signal control system OLC and UI interactive software provide true
Reliable tramcar signal system simulated environment.It can be realized the operation emulation to tramcar, run as tramcar
Simulation evaluation tool, tramcar operation and the along the line synthesis of road traffic flow can be provided for user under specific programme
Assessment can provide reliable analysis and assessment to design scheme in terms of layout of roads, operation management, website.
(2) analogue system restores the interface of OLC system and TSC system in the form of industrial personal computer, I O board card, terminal block,
It can adapt to the demand of different OLC systems, and be easy to dispose and extend, support the signal control at the multiple crossings of emulation testing simultaneously
System can provide true test environment and complicated crossing priority scene for OLC system, can be as the survey of OLC system
Try verification tool.
(3) UI software provides manual input mode, and user can be on interface by between click control TSC and OLC system
Arbitrary input and output provide adequately test freedom degree, the simulation of especially some complex scenes for user.
(4) emulation TSC system is supported adjoint with two kinds of operating modes of override requests, can be provided tramcar for user and be existed
Whether there is or not two kinds of scenes of override requests when operation, allow users to by comparing intuitive analysis crossing priority strategy be rail electricity
Vehicle is runed bring benefit and is influenced on road traffic flow bring, and auxiliary user carries out decision.
Detailed description of the invention
Fig. 1 is analogue system configuration diagram；
Fig. 2 is analogue system I/O module and OLC system connection schematic diagram；
Fig. 3 is flow diagram of the analogue system under tramcar mode of priority；
Fig. 4 is the common crossing Input interface schematic diagram of UI interactive module；
Fig. 5 is the common crossing Output interface schematic diagram of UI interactive module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
The present invention is applied to the road traffic signal analogue system of tramcar, by road traffic signal control system (letter
Claim TSC, traffic signal controller, control road traffic flow signal lamp) it is integrated on industrial personal computer, and by true
Real DIO board realizes the external IO input and output of industrial personal computer, to dock true streetcar track signal system (referred to as
OLC, optimal level-crossing controller control tramcar special signal lamp), simulation two completely is greatly
The actual physical interface of system.In addition, by the external interface of Traffic Flow Simulation software, road traffic is believed using the prior art
The overall architecture of number system is integrated in the operating system of industrial personal computer.So that the true of tramcar can be simulated completely in software
Real road running environment sufficiently restores to the speed of tramcar in environment, in elements such as station, crossing, road traffic flows, to the greatest extent may be used
Emulation testing can be enable closer to actual scene.
UI interactive module in analogue system also achieves the acquisition, parsing, processing of I/O module semaphore, comes receiving
From after the detector signal amount of OLC system, is exported, realized to tramcar in simulating scenes to TSC system by software interface
The triggering of crossing priority, TSC system then can operate tramcar crossing priority strategy and adjust according to these priority signals
Road signal, including terminating in advance previous red light phase, extend the current phase of tramcar and be inserted into for tramcar
The modes such as dedicated phase, different preference strategies are determined roadway sign phase when arriving at crossing is estimated according to tramcar
It is fixed.After emulating the application of TSC system crossing priority, when signal wheel goes to tramcar priority communication phase, pass through software interface
Export corresponding track signal control instruction to UI interactive module, UI interactive module by parsing and processing, then from I/O module to
The control semaphore of OLC system output track signal lamp, is finally completed implementation and the railroad tracks of tramcar signal priority
The linkage of two big systems.
The analogue system can perform well in the verifying of the test to the true trackside signal system of tramcar, also can conduct
The appraisal tool that tramcar influences road traffic flow along the line has very important Practical significance.
It is a feature of the present invention that the analogue system includes following key point:
1. the present invention has the tramcar crossing priority system architecture of complete set, true tramcar is covered substantially
Each component part in whistle control system, reduces real scene to greatest extent, and reduces the complexity of whole system, can
Good operability is easy to dispose, favorable expandability.Analogue system of the invention can be divided mainly into several component parts, road traffic letter
Number control system TSC, tramcar urban road simulated environment, track signal control system OLC and UI interactive module.
2. being realized using components such as data acquisition I O board card, terminal block, rigid line, relays in practical application scene
Interface between TSC system and OLC system.It realizes true OLC system to interconnect with the TSC system being integrated on PC, and maximum
The true reduction for remaining interface of limit has very important effect with analogue simulation to test verifying.In addition, of the invention
Analogue system be also capable of providing additional network interface, realize docking for OLC system and TSC system with the form of Ethernet.
It such as needs to realize Multiple Intersections emulation testing, when that can not provide enough OLC cabinets, the present invention can also pass through network
It realizes the data interaction with OLC system, can sufficiently support test and the simulating scenes of Multiple Intersections.
3.UI interactive module can provide manual input mode for user, and manual input mode can be brought greatly to user
Test freedom degree, especially when analogue system needs to simulate some more complicated tramcar crossing priority scenes.UI
The input of all trackside detectors, Signalized control instruction output can all be operated by the click of user on software interface,
The triggering of each road input and output is realized, to meet the different test scene demand of user.In addition, analogue system support it is adjoint with it is excellent
First request two kinds of operating modes.When software is adjoint mode, UI software no longer responds the advance notice and request detection inputted from OLC
Device signal, and the rotation of tramcar special signal is controlled according to the signal light path state of TSC system output.When software is
When override requests mode, UI software will normally transfer the advance notice inputted from OLC and request detector signal to TSC system, TSC system
System need to give the signal of tramcar priority pass according to collected advance notice with request signal.
Key point 1 is characterized in that the present invention simulates the tramcar crossing priority system of complete set, includes road
Traffic signal control system TSC, tramcar urban road simulated environment, UI interactive module and the track signal of external docking
Control system OLC.
The chief component of TSC system has signal light path, roadway sign control machine and roadway sign control algolithm,
The system is mainly responsible for the control of road traffic signal system, simultaneously with rail electric car priority acccess control mode, in no rail
When electric car arrives at crossing, road traffic signal is controlled in a usual manner, when tramcar is close to crossing, it will enter preferential control
Molding formula, estimation train arrive at the time at crossing, adjust road traffic signal, are tramcar preferentially open current phase.It should
System will acquire the advance notice of the tramcar crossing priority from OLC system, request and Seize ACK message, these input signals are all
By the way of level signal, after being collected into input signal and completing the override requests of tramcar, TSC will run rail
Electric car priority acccess control algorithm, and the instruction opened after signal adjustment is finished and opened to OLC system output signal lamp, the output
Signal also by the way of level signal, is completed to export by rigid line to OLC system.TSC system emulates soft with road traffic flow
The interaction of part is then realized by the external interface of simulation software.
Tramcar urban road simulated environment refers to the actual motion environment of tramcar, and which includes operation lines
The length on road and trend, tramcar Simulation of traffic, the laying mode of track circuit, the laying mode of website, along route
Many factors, these factors such as mouth distribution, road wagon flow, street pedestrian all can bring certain influence to the operation of tramcar.
When emulating to tramcar, these factors are more perfect, and the result of emulation is also closer to truth.In the present invention,
The emulation of tramcar urban road environment is realized by road traffic flow simulation software.
The chief component of OLC system has track signal lamp, trackside detector, track signal control machine and track letter
Number control algolithm, the system are mainly responsible for the control of rail traffic signal system.OLC system will be in the rail electricity for closing on crossing
Trackside detector is laid in track road, and each detector is laid in different location according to the difference of function.It from the distant to the near can be according to away from crossing
It is secondary to be divided into advance notice, request, enter and leave detector.When train crosses detector, trackside detector will be motivated and to
OLC controls machine outputs level signals, and OLC, according to control algolithm logic, will export induction signal and give TSC system after receiving signal
System, and according to the feedback of TSC system, to drive the special signal lamp of tramcar.Tramcar signal and road are realized with this
The unified linkage of road traffic signals.
UI interactive module is the interactive interface with user, can be divided into DIO module, UI interactive module and traffic according to function division
Emulation module.Wherein, numeral input/output board card is contained in DIO module, by the terminal block and relay of external connection,
Realization is docked with OLC system.UI interactive module is to be supplied to the operation interface of user, and user can be intuitive on the interface UI
See each trackside detector in tramcar signal system, the states such as signal lamp and crossing priority advance notice, request, occupancy；It can
By manual input mode, to control each detector in signal system, signal lamp state, different test scenes is simulated；It can
Map is emulated with load, real-time running state and pass of the train in simulating scenes are checked by the interface of Traffic Flow Simulation software
Bond parameter.Traffic simulation module then utilizes the interface of Traffic Flow Simulation software, and backstage realization is docked with simulating scenes, Neng Gouxiang
UI interactive interface exports every key parameter in road Traffic Flow Simulation scene with Traffic Evaluation as a result, the interface UI can also lead to
Control parameter of the interface to simulating scenes input track signal system is crossed, the operation completed to tramcar in real line is imitative
Very.
Key point 2 is characterized in that, by the way of analogue system of the invention and OLC rack room are acquired using level signal,
To restore the application scenarios in Practical Project.The industrial personal computer that analogue system is chosen has expansible board slot, user Ke Gen
According to the I O board card of demand installation respective numbers.Driving and developing instrument by I O board card, can be realized operating system software
The input and output from software view to hardware view are realized in the conversion of semaphore and physical level semaphore.Board can be by outer
Connecting terminal row and relay, make analogue system can adapt to the OLC system that there are different input and output to lay, can support difference
Input/output signal acquisition under voltage.It can be in hardware and the sufficiently OLC and TSC of simulating realistic on software using such mode
System interface assists in user and finds to ask during the test so that the process of test emulation more levels off to truth
Topic reduces and occurs causing test to pass through because testing due to environment is not perfect, but occurs the case where escape problem when field application.
In addition, analogue system is not only supported also prop up for the emulation of crossing priority system single on street railway
Hold the emulation testing of Multiple Intersections or even all fronts.This programme can extend industrial personal computer according to the crossing of user demand, the quantity of semaphore
With I O board card, the emulation testing scene of Multiple Intersections is provided for user.Meanwhile for the testing requirement of Multiple Intersections, analogue system is also
Have the interface and communication mode of Ethernet, when user does not access the demand of a large amount of true OLC cabinets, analogue system energy
Enough by network and external realization data interaction, input and output acquisition semaphore by way of Ethernet.
Key point 3 is characterized in that, the UI interactive module in the present invention be user provide patterned display interface and
User friendly interactive operation, trackside detector output drive signal, OLC system in practical engineering application scene are to TSC system
The lamp position that the level signal of output, TSC system are exported to OLC system of uniting controls signal etc. and is all intuitively in UI interactive module
It is existing.UI interactive module provides two kinds of control models for user, automatically enters mode and manual input mode.Automatically enter mode
Under, analogue system can according to the detector signal amount come from the acquisition of true OLC cabinet, driving TSC system and simulation software, and
In real time to the control semaphore of OLC system output tramcar special signal lamp.User can be straight on UI interactive module interface
That watches each semaphore sends and receives state: predicting, requests, entering and leaving detector state, the dedicated letter of tramcar
Signal lamp state, road traffic flow operating condition etc..Under manual input mode, all detectors on interface will become with semaphore
State can be clicked, user can manually complete the input or defeated of semaphore by clicking the controls such as detector, semaphore on interface
Out.The abundant freedom degree for promoting user's test, user can be simulated some actual motions by clicking control by manual mode
In more difficult appearance complex scene, or the operation stability of some abnormal inputoutput pair OLC systems of simulation assessed, rich
The rich means of testing of user is conducive to user and realizes comprehensive test to OLC system.
In addition, analogue system provides adjoint and two kinds of control modes of override requests for user in terms of traffic simulation.Companion
With under mode, the detector signal of generation, TSC are clicked in no longer acquisition by analogue system in OLC system or UI interactive interface
System will keep the drive manner under its conventional road traffic control model, and analogue system will not be the open crossing of tramcar
Priority signal, but when TSC system wheel goes to the phase for belonging to tramcar, just tramcar special signal is exported to OLC
The opening right of way signal of lamp.Under such mode, tramcar will be unable to preferentially pass through when arriving at crossing, but not to road traffic
Stream affects greatly.Under override requests mode, acquisition is clicked in OLC system or UI interactive interface and is generated by analogue system
Detector signal, TSC system carries out corresponding according to collected advance notice, request, into and out signal, works as tramcar
When arriving at crossing, right of way signal is opened to OLC output tramcar special signal lamp according to preference strategy, is that tramcar is real
Apply signal priority.
For the specific implementation of key point 1, as shown in Fig. 1, the tramcar road traffic signals in present example
Analogue system contains UI interactive module, Simulation Traffic Flow software, TSC system and the OLC system of external docking.
OLC system can control tramcar special signal lamp, and the detector laid by trackside by I/O signal amount
It realizes the advance notice to tramcar before crossing, requests, enters and leaves detection.OLC system and the interface of UI interactive module are
The level signal amount of rigid line connection.In specific implementation, UI interactive module acquires I/O port input using common PCI board card
The level signal of output.The main contents of DI input signal include that the detector in OLC system under the difference direction of traffic of crossing swashs
Encourage the semaphores such as signal, OLC system mode, mode of priority/adjoint mode switching.The main contents of DO output signal include TSC
Feed back to illuminating state, the TSC automatic/hand control model, TSC of each lamp position of tramcar special signal lamp of UI interactive module
The signals such as system mode.
DIO module realizes the information exchange with OLC system by DIO board.UI interactive module contain algorithm logic with
Some conventional funcs, can according to manual/auto mode, the switching of override requests/adjoint mode, realize with OLC system and
The data interaction of TSC system.In addition, UI software can be realized by configuration file to the defeated of specific street railway information
Enter, the variation of some key parameters of journal function essential record system during operation, can be point after emulation testing
Analysis provides detailed data source, and it is detailed to construct concise and function for user by the graphical button of image for man-machine interface
Operation interface.Traffic simulation module realizes UI software and Traffic Flow Simulation software using the com interface of Traffic Flow Simulation software
Connection.UI interactive module can transmit collected each detector state information to Traffic Flow Simulation software by the interface,
And the state of each signal lamp group is obtained from Traffic Flow Simulation software, carry out decision to tramcar special signal lamp in OLC system
Control instruction output.Furthermore UI interactive module has been also equipped with serial ports and both additional communication interfaces of Ethernet.
Traffic Flow Simulation software can provide perfect street railway running environment for user and build, and can build
The simulation run model of rail electric car is related to line map, along the line website, route plan, the speed of service, road traffic flow, crossing
The factors such as signal, pedestrian's street crossing, can be opened to the outside world by com interface such as detector, semaphore, vehicle, route emulation are joined
Number.In a specific embodiment of the present invention, TSC system is realized in a software form, basic parameter (such as crossing signals period, letter
Number phase assignments) it will be loaded in Simulation Traffic Flow software with operating logic.TSC system can by way of configuration file,
The conventional turnaround time at crossing is loaded in Traffic Flow Simulation software, and can swashing according to detector each in Traffic Flow Simulation software
Information is encouraged, the preference strategy set is driven, adjusts the signal phase at crossing, opens priority signal for tramcar, and
In Phase-switching, to Simulation Traffic Flow software output phase handover information, the variation of signal light path in simulation software is controlled.
In system architecture of the invention, as shown in Fig. 1, the data flow of interaction is mainly swashing for detector between each system
Encourage the control signal of signal and crossing signal light path and tramcar special signal lamp.
For the specific implementation of key point 2, the connection type such as attached drawing 2 of analogue system and OLC system in present example
Shown, the industrial personal computer for carrying analogue system uses the power input of 220V, and the semaphore acquisition between OLC system is using 24V's
Power voltage supply.Power unit realizes the conversion of 220V alternating current to 24 direct currents, is that the acquisition of semaphore is powered.
The semaphore importation of analogue system, DI board are connected by patchcord with terminal block, are believed with the DO of OLC system
Number terminal constitutes the circuit 24V, certain DI positive terminal all the way when OLC system is closed the contact DO, on analogue system DI analog input card
24V voltage difference is generated between son and negative terminal, board collects high level signal；When OLC system disconnects the contact DO, emulation system
Certain on system DI analog input card becomes 0V voltage difference all the way between DI positive terminal and negative terminal, board collects low level letter
Number.
The semaphore output par, c of analogue system, the every of DO board have exported three pass feet, corresponding anode, cathode all the way
There is 24V voltage difference with the signal acquisition terminal both ends of output signal, OLC.When board needs to export high level, signal pins with just
24V voltage difference is generated between the pin of pole, drives the relay being attached thereto, relay contact closure, and OLC system DI collection terminal is constituted
Circuit collects the high level signal of input；Generation when board needs to export low level, between signal pins and positive pin
0V voltage difference, relay contact are fallen, and the DI acquisition end loop of OLC system disconnects, and collect the low level signal of input.
The specific implementation of analogue system control logic, as shown in Fig. 3, the control logic of analogue system are as follows, this implementation
The control logic chosen in example for some crossing is described in detail, which is 100ms:
(1) after control logic starting, the thread for controlling some specific crossing starts waiting to receive the one party from OLC
To crossing anticipating signal；
(2) if not receiving the crossing anticipating signal from OLC, UI interactive module is failure to actuate, and TSC system will be according to normal
Signal lamp group in the control pattern signal driving simulation traffic flow software of rule is rotated, and continues waiting for the road from OLC
Mouth anticipating signal enters step (3) if receiving the crossing anticipating signal from OLC；
(3) after UI software receives anticipating signal, change the excitation shape that the crossing in traffic simulation stream software corresponds to detector
State, TSC control algolithm then can constantly detect the detector state, after advance notice detector is motivated in detecting simulation software,
The time that tramcar arrives at crossing is estimated, according to pre-set preference strategy, adjustment has tramcar is estimated to reach week
The signal timing dial of phase is that tramcar is open in advance, extends or be inserted into right of way signal phase；
(4) within the tramcar estimated time for arriving at crossing, if TSC receives the request letter of the OLC from UI software forward
Number, then (6) are entered step, (5) are otherwise entered step；
(5) if at this time the time without departing from the latent period of request signal, continue waiting for request signal, return to step
(4), if at this time the time exceed request signal latent period, return to step (3), TSC system reenters phase coordination shape
State readjusts phase, waits the request signal of train；
(6) TSC locks the priority pass phase of tramcar, and phase wheel is waited to go to the passage phase of tramcar, when
When first going to tramcar passage phase to wheel, the road traffic signal in Traffic Flow Simulation software is rotated, UI interactive module exists
After detecting road traffic signal variation for the current phase of tramcar, to OLC system output tramcar special signal lamp
Clearing signal, open tramcar special signal lamp；
(7) TSC system waits the OLC entering signal from UI software forward to enter step if not receiving entering signal
(8), if receiving entering signal, (9) are entered step；
(8) if at this time the dedicated phase time of tramcar not yet terminate, continue waiting for, step (7) returned to, if at this time
The dedicated phase time of tramcar terminates, then TSC rotates Signal phase, dedicated to UI interactive module output tramcar
The shutdown signal of signal lamp returns to step (3), and TSC system reenters phase coordination state, readjusts phase, again etc.
Request signal to train；
(9) after receiving entering signal, closing of the TSC system to UI software interactive software output tramcar special signal lamp
Shutdown signal is sent by DO board to OLC system, closes the dedicated right of way signal of tramcar, prevent by signal, UI interactive module
If the subsequent train for having follow the bus enters crossing, TSC system keeps road traffic etc. to light later, it is ensured that the road to conflict therewith
Traffic flow will not enter crossing；
(10) TSC system waits the OLC from UI software forward to go out clear signal, if not receiving out clear signal, enters step
Suddenly (11) enter step (12) if receiving out clear signal；
(11) if the time without departing from the dedicated phase maximum green time of tramcar, continues waiting for, returns at this time
Step (10), if dedicated phase maximum green time of the time beyond tramcar at this time, TSC rotate Signal phase,
It returns to step (3), TSC system reenters phase coordination state, readjusts phase, resumes waiting for the request signal of train；
(12) TSC rotates Signal phase, and restores ordinary control mode, returns to step (1), resumes waiting for new pre-
Accuse signal.
For the specific implementation of key point 3, as shown in attached drawing 4 and Fig. 5, the present embodiment is subject in detail the situation at common crossing
It describes in detail bright.In the operation interface of UI interactive module, it is deployed with two parts of input and output.
Importation shows the excitation of the detector from OLC system state, OLC system mode and preferential/adjoint control of TSC
Molding formula utilizes graphical control on the interface UI, showing for intuitive crossing situation is presented to user, when UI interactive module receives
The advance notice of OLC, request, into, go out clear signal when, it will light the advance notice in interface respectively, request, occupy detector, need
Illustrate, after receiving entering signal, occupying detector will be can be lit, and after receiving out clear signal, occupying detector will put out
It goes out.After receiving the preferential signal of TSC, it will light TSC priority acccess control lamp position, otherwise extinguish the lamp position, into control
Mode.
Output par, c show tramcar special signal lamp state of a control from TSC system, TSC system mode and from
Dynamic/MANUAL CONTROL mode.Graphical control is utilized on the interface UI, and intuitive tramcar semaphore state of a control is presented to user
Show, when UI interactive module receives the corresponding lamp position state of a control of TSC system, it will light or extinguish corresponding lamp position.This
Outside, UI software can simulate trackside detector, and the pumping signal of trackside detector can be sent to OLC system.Detector excitation
A kind of additional means that signal will be emulated as OLC system testing, in analogue system actual use, if OLC system does not connect
Connect true trackside detector, then the detector pumping signal that analogue system can be simulated by DO board to the output of OLC system,
OLC can will be exported again by DO to the DI board of UI software after the signal processing, complete the logic of entire priority acccess control, the letter
It number can only be operated under manual input mode.
User can automatically enter/the switching of manual input mode by being deployed on the interface UI, when switching to
After manual input mode, above-mentioned all inputs and output all translate into the state that can click, user can according to itself
Testing requirement generates corresponding input/output signal amount by clicking corresponding button, enriches the means of testing of user, make to imitate
True system can satisfy for the testing requirement under complicated, exception or fault scenes, can be used as the testing tool of OLC system, right
Verifying true OLC system reliability and stability has very important meaning.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (10)
1. a kind of road traffic signal analogue system applied to tramcar, which is characterized in that including industrial personal computer and rail electricity
Vehicle track signaling system OLC, the industrial personal computer is connect by DIO board with streetcar track signal system OLC, described
Industrial personal computer embeds UI interactive module, Traffic Flow Simulation module and road traffic signal control system TSC, the UI interactive module
It is connect respectively with streetcar track signal system OLC and Traffic Flow Simulation module, the Traffic Flow Simulation module and road
Traffic signal control system TSC connection；
After the UI interactive module receives the detector signal of streetcar track signal system OLC by DIO board, pass through
Software interface is exported to TSC, realizes the triggering to tramcar crossing priority in simulating scenes, TSC then can be excellent according to these
First signal operates tramcar crossing priority strategy and adjusts roadway sign, after emulation TSC crossing priority application, when signal wheel
When going to tramcar priority communication phase, corresponding track signal control is exported to UI interactive module by software interface and is referred to
It enables, UI interactive module is by parsing and handles, then from DIO board to the control semaphore of OLC output track signal lamp, final complete
At the implementation of tramcar signal priority and the linkage of the big system of railroad tracks two.
2. a kind of road traffic signal analogue system applied to tramcar according to claim 1, which is characterized in that
The DIO board includes numeral input board, digital output board card, first terminal row, Second terminal is arranged and relay, described
Digital tablet card arranged by first terminal and connect with streetcar track signal system OLC, the digital output board card
It passes sequentially through Second terminal row and relay is connect with streetcar track signal system OLC.
3. a kind of road traffic signal analogue system applied to tramcar according to claim 1, which is characterized in that
The streetcar track signal system OLC include track signal lamp, trackside detector, track signal control machine, it is described
Track signal control machine is connect with track signal lamp, trackside detector respectively, and the trackside Loop detector layout is closing on crossing
Streetcar track；
The trackside detector is laid in different location according to the difference of function, can be divided into advance notice from the distant to the near away from crossing
Detector, request detector into detector and leave detector；
When train crosses trackside detector, trackside detector will be motivated and control machine output level letter to track signal
Number, track signal control machine, according to control logic, will export induction signal to TSC after receiving signal, and according to the anti-of TSC
Feedback realizes the unified linkage of tramcar signal and road traffic signal with this to drive the track signal lamp of tramcar.
4. a kind of road traffic signal analogue system applied to tramcar according to claim 1, which is characterized in that
The UI interactive module is the operation interface for being supplied to user, and user intuitively sees tramcar in operation interface
Each trackside detector in signal system, track signal lamp and crossing priority advance notice, request, occupied state；
By manual input mode, each trackside detector, the track signal lamp shape in streetcar track signal system OLC are controlled
State simulates different test scenes；
Load emulation map, by the interface of Traffic Flow Simulation module check real-time running state of the train in simulating scenes with
Key parameter.
5. a kind of road traffic signal analogue system applied to tramcar according to claim 1, which is characterized in that
The Traffic Flow Simulation module utilizes the interface of Traffic Flow Simulation software, and backstage realization is docked with simulating scenes, Neng Gouxiang
UI interactive module exports every key parameter in road Traffic Flow Simulation scene with Traffic Evaluation as a result, UI interactive module can
By interface to the control parameter of simulating scenes input track signal system, the operation to tramcar in real line is completed
Emulation.
6. a kind of road traffic signal analogue system applied to tramcar according to claim 1, which is characterized in that
The industrial personal computer is connect in such a way that level signal acquires with streetcar track signal system OLC；
Wherein industrial personal computer has expansible board slot, and user can install the DIO board of respective numbers according to demand, pass through
The driving of DIO board and developing instrument can be realized the semaphore of operating system software and the conversion of physical level semaphore, real
The now input and output from software view to hardware view.
7. a kind of road traffic signal analogue system applied to tramcar according to claim 6, which is characterized in that
The DIO board can be arranged by external terminal and relay, and analogue system is made to can adapt to that there are different input and output to lay
OLC, the input/output signal under different voltages can be supported to acquire；It can be on hardware and software sufficiently using such mode
OLC and the TSC interface of simulating realistic.
8. a kind of road traffic signal analogue system applied to tramcar according to claim 1, which is characterized in that
The analogue system is not only supported also support Multiple Intersections for the emulation of crossing priority system single on street railway
Or even the emulation testing of all fronts；
Can be according to the crossing of user demand, the quantity of semaphore, extension industrial personal computer and DIO board card provide Multiple Intersections for user
Emulation testing scene；
Meanwhile for the testing requirement of Multiple Intersections, analogue system has been also equipped with the interface and communication mode of Ethernet, when user does not have
When having the demand of a large amount of true OLC of access, analogue system can realize data interaction by network and outside, pass through Ethernet
Form input and output acquisition semaphore.
9. a kind of road traffic signal analogue system applied to tramcar according to claim 1, which is characterized in that
The UI interactive module provides patterned display interface and user friendly interactive operation, practical engineering application for user
The lamp position control that level signal that trackside detector output drive signal, OLC in scene are exported to TSC, TSC are exported to OLC
Signal is all intuitively presented in UI interactive module；
UI interactive module provides two kinds of control models for user, automatically enters mode and manual input mode, automatically enters mould
Under formula, analogue system can according to the detector signal amount come from true OLC acquisition, driving TSC and industrial personal computer, and in real time to
The control semaphore of OLC output tramcar special signal lamp；
User can be visually seen the state that sends and receives of each semaphore on UI interactive module interface: advance notice, enters request
With leave detector state, tramcar special signal lamp state, road traffic flow operating condition；
Under manual input mode, all trackside detectors and track signal lamp on interface will become that state, Yong Huke can be clicked
By clicking detector, track signal lamp control on interface, the input or output of semaphore are manually completed；
The abundant freedom degree for promoting user's test, user can be simulated some actual motions by clicking control by manual mode
In more difficult appearance complex scene, or the operation stability of some abnormal inputoutput pair OLC of simulation assessed, and is enriched
The means of testing of user is conducive to comprehensive test of user's realization to OLC.
10. a kind of road traffic signal analogue system applied to tramcar according to claim 1, feature exist
In in terms of traffic simulation, analogue system provides adjoint and two kinds of control modes of override requests for user；
Under adjoint mode, the detector signal of generation is clicked in no longer acquisition by analogue system in OLC or UI interactive module,
TSC will keep the drive manner under its conventional road traffic control model, and analogue system will not be the open crossing of tramcar
Priority signal, but when TSC wheel goes to the phase for belonging to tramcar, just to OLC output tramcar special signal lamp
Open right of way signal, under such mode, tramcar will be unable to preferentially pass through when arriving at crossing, but not make to road traffic flow
At larger impact；
Under override requests mode, analogue system clicks the detector signal of generation by acquiring in OLC or UI interactive module,
TSC is carried out accordingly according to collected advance notice, request, into and out signal, when tramcar arrives at crossing, according to excellent
First strategy opens right of way signal to OLC output tramcar special signal lamp, implements signal priority for tramcar.
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