CN107284471B - A kind of CBTC system based on truck traffic - Google Patents
A kind of CBTC system based on truck traffic Download PDFInfo
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- CN107284471B CN107284471B CN201710353626.4A CN201710353626A CN107284471B CN 107284471 B CN107284471 B CN 107284471B CN 201710353626 A CN201710353626 A CN 201710353626A CN 107284471 B CN107284471 B CN 107284471B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
Abstract
The CBTC system based on truck traffic that the invention discloses a kind of, the CBTC system include: intelligent train supervision ITS system, object controller OC, Train Management platform TMC, data communication system DCS and the intelligent vehicle-carried controller IVOC being set on each train.CBTC system disclosed by the invention can reduce ground installation, cancel the equipment such as ground ATP, interlocking, and IVOC can be permitted by carrying out information exchange with IVOC, OC and ITS system of front and back vehicle from host computer is mobile, plan planning driving path；ITS system can be based on field condition, automatically generate Train Detection and Identification information, mitigate the homework burden of running scheduling personnel, promote efficiency of operation and service level；And it is sent to the IVOC；TMC obtains route speed-limiting messages and is sent to each train on route, it can be achieved that train security protection.
Description
Technical field
The present invention relates to technical field of rail traffic, and in particular to a kind of CBTC system based on truck traffic.
Background technique
Traditional CBTC (Communication Based Train Control, the train auto-matic control based on communication)
System is to guarantee train operating safety, realize that the critical system of train traffic control, train automation and raising conevying efficiency is set
Standby, CBTC system capital equipment has: mobile unit, trackside equipment and ground installation, each equipment are described as follows:
Mobile unit (Vehicle on board Control, VOBC) include: vehicle-mounted automatic protective system (vehicle-mounted ATP,
Automatic Train Protection), vehicle-mounted automated driving system (vehicle-mounted ATO, Automatic Train
Operation) etc.；
Trackside equipment includes: semaphore, track switch, transponder, wheel counting apparatus, automatic stopping beacon, platform screen door, the anti-Hongmen Gate
And emergency stop push button etc.；
Ground installation includes: train automatic monitoring system (Automatic Train Supervision, ATS), region control
Device (Zone Controller, ZC) processed, computer interlock (Computer Interlocking, CI), data communication system
(Data Communication System, DCS) etc.；Wherein, ZC include: railway trains automatic protective system (ground ATP) and
Railway trains automated driving system (ground ATO)；CI handles route to ground, guarantees to interlock between route, track switch and semaphore
Relationship is correct, guarantees train operation route safety.
As it can be seen that CBTC system is to be related to the whole route of covering and its institute of the equipment such as ground, trackside, vehicle-mounted, station composition
There is the distributed system of station and train.
Based on traditional CBTC system is controlled with ground, as shown in Figure 1, train is registered by ZC to the ground and is actively connect
Position is reported to ZC by the control of ZC, and actively, ZC is that the train in compass of competency calculates mobile authorization (MA), by continuous
Vehicle two-way wireless communication realize vehicle information interaction, realize based on the tracking under target-distance movable block standard
Operation.
It is above-mentioned with ground control based on control mode embody thought in domination set, mobile authorization is calculated by ground ZC
Centralized management train pass through and operation of turning back.Train actively reports position to ZC, and ZC carries out train sequence according to train position,
The neighbouring relations for calculating train on route are that rear car calculates MA according to the front truck tailstock.In practical application, ZC needs each cycle to pipe
Train is screened, is sorted in the domain of area under one's jurisdiction, identifies the neighbouring relations between the position and train of every train, due to vehicle is passed
It is defeated there are certain time-delay, information returns to ZC that vehicle-mounted there are certain cumulative errors from vehicle-mounted.
Traditional CBTC system is primarily present following defect 1 based on controlling with ground)~3):
1) since ZC and CI are separately operable in different industry control machines, considerably increase ground installation construction cost and
Maintenance cost.
2) ground installation is controlled and is managed trackside equipment, ZC combination trackside information and train running information using CI, is calculated
MA information, and train is provided this information to, while control information of the train to trackside equipment is transmitted to CI, reach and trackside is set
Standby control function, since trackside equipment is various, the mutual interface message of system is also more, increases the complexity of system
Degree, so that the maintenance cost of system is increased, simultaneously because the retardance that the information between system is transmitted, reduces the reality of system
Shi Xing.The flexible operation control and intelligent level of train are also limited simultaneously.
3) ground installation is various, interconnecting being unfavorable for the upgrading between route, transformation and route.
With the growth of rail traffic mileage, ensure that rail traffic high safety, the signal system of high-efficiency operation also generate
New demand.Under the premise of guaranteeing traffic safety and equipment high reliability, optimization system framework reduces trackside, station is set
It is standby, shorten the direction that Train Interval is future signal System Development to greatest extent.
For this purpose, the prior art provides a kind of rail traffic full-automatic driving simplified system, as shown in Figure 2, comprising: center
Grade integrated dispatch automation control center 101, station grade integrated dispatch automation control subcenter 102, the collecting and distributing control of wireless management
System DCS 103, database storage unit DSU 104, object controller OC 105 and Vehicle Controller VOBC 106 processed.The rail
Traffic full-automatic driving simplified system in road can simplify ground installation, cancel the equipment such as ground ATP, interlocking.By train according to operation
Plan, line resource situation and self-operating state are permitted from host computer is mobile, guarantee the discretionary security fortune of train on the line
Row control.On the basis of guaranteeing train front and back safe distance, two adjacent movable block regions can be between very little
Advance every simultaneously, enables train to allow maximum speed and lesser interval to run, improve efficiency of operation.The system may be used also
To reduce construction and maintenance cost, cut down the number of intermediate links, improve performance, reduce complexity, improve reliability and reduce between operation
Every.
However, existing rail traffic full-automatic driving simplified system has the following technical problems:
1, in existing rail traffic full-automatic driving simplified system whether in centre grade integrated dispatch automation control
The heart or station grade integrated dispatch automation control subcenter, are required to dispatcher and issue control instruction according to field condition.
Therefore, it is necessary to realize that control instruction automatically generates by a kind of mode.
2, the Vehicle Controller VOBC in existing rail traffic full-automatic driving simplified system can only receive train operation
Then plan carries out mobile license again and calculates and path planning, (such as can not receive train operation meter in special circumstances
Draw) under, carry out mobile license calculating and path planning.
3, the Vehicle Controller VOBC in existing rail traffic full-automatic driving simplified system can carry out speed limit calculating, but
It is for carrying out speed limit calculating by VOBC, having a fixed response time, nothing when the operation condition of certain section of specific circuit changes
Method quick response, there are security risks.
Summary of the invention
Due to the above problem of the existing technology, present invention proposition overcomes the above problem or at least is partially solved
State a kind of CBTC system based on truck traffic of problem.
For this purpose, the present invention proposes a kind of CBTC system based on truck traffic, comprising: intelligent train supervision ITS system
System, object controller OC, Train Management platform TMC, data communication system DCS and the intelligent vehicle-carried control being set on each train
Device IVOC processed；
Wherein, the ITS system, the OC and the TMC pass through the DCS and IVOC respectively and communicate to connect；
The OC and TMC is connect by the DCS with the ITS system communication respectively；It is communicated to connect between each IVOC；
The OC for obtaining trackside equipment information and section information, and is sent to the ITS system and described
IVOC, and the trackside equipment control information sent based on the IVOC and the ITS system control trackside equipment；
The IVOC, for IVOC, the OC and ITS system progress information exchange with front and back vehicle, to realize
Mobile authorization calculating, planning driving path planning, thermoacoustic prime engine, ranging of testing the speed, unmanned, system time management, train speed pipe
Protection, schema management, traffic safety protection, train information management and auxiliary is managed to drive；
The ITS system is monitored for driving, vehicle, electromechanical equipment and the power supply unit to all fronts, and is carried out tight
Emergency processing in urgent thing event situation, is also used to based on the trackside equipment information, the section information and train operation shape
State information generates Train Detection and Identification information and is sent to the IVOC；And route speed-limiting messages are obtained, and be sent to described
TMC；
The TMC for storing the route speed-limiting messages, and is sent to each train on the route.
Optionally, the IVOC, comprising: man-machine interface MMI module and intelligent train protection ITP subsystem；
Wherein, the MMI module is connect with the ITP subsystem communication；
The MMI module, for obtaining the destination information of driver's input；
The ITP subsystem for obtaining train operation state information, and is sent to the ITS system；And based on institute
It states destination information, trackside equipment information and section information and generates planning driving path, and driven a vehicle based on the planning driving path
Control；
Wherein, described that planning driving path, packet are generated based on the destination information, trackside equipment information and section information
It includes:
Based on the destination information, inquire in vehicle-mounted configuration path information with the presence or absence of destination path, the target road
Diameter includes current location and the destination: if it exists, then generating planning driving path is the destination path；If it does not exist, then base
In the trackside equipment information and section information, the path of calculating current location to the destination, and pass through the MMI mould
Block is shown, after the driver for receiving the MMI module feedback confirms order, generating planning driving path is the road being calculated
Diameter.
Optionally, the IVOC, further includes: transponder transmission module BTM and the range finder module that tests the speed；
The BTM, the range finder module that tests the speed are connect with the ITP subsystem communication respectively；
The BTM, for obtaining transponder information and being sent to the ITP subsystem；
The range finder module that tests the speed for measuring this vehicle speed and measuring this vehicle running distance, and is sent to the ITP
Subsystem；
The ITP subsystem is also used to determine based on the transponder information, this vehicle speed and this vehicle running distance
This truck position；And the adjacent vehicle assisted without wheel counting apparatus identification is carried out, specifically comprise the following steps:
Before the compass of competency that this vehicle drives into the OC, the ID letter of all running trains in the OC compass of competency is obtained
Breath, and the ITP subsystem of train corresponding with each id information is communicated, and the position letter that each id information corresponds to train is obtained
Breath；The location information that all id informations correspond to train is ranked up using transponder sortord, identifies the adjacent vehicle of this vehicle
Id information.
Optionally, the ITS system is also used to generate speed limit instruction information and is sent to the TMC；Wherein, the limit
Speed instruction information is used to indicate whether to open route speed limiting function；
The route speed-limiting messages are sent to each train on the route by the TMC, comprising: are determining the speed limit
After indicating that route speed limiting function is opened in information instruction, the route speed-limiting messages are sent periodically to each on the route
Train.
Optionally, the MMI module is also used to show planning driving path, the display train of the ITP subsystem generation
Running state information and display are used for man-machine interoperability information.
Optionally, the ITP subsystem is also used to based on the adjacent vehicle recognition result, logical with the ITP subsystem of adjacent vehicle
Letter obtains the running state information of adjacent vehicle, and running state information, described vehicle speed and described vehicle based on the adjacent vehicle
Position, the distance between control and adjacent vehicle interval calculate mobile authorization；And it is based on the Train Detection and Identification information planning row
Bus or train route diameter, and thermoacoustic prime engine is carried out based on the planning driving path；And receive trackside equipment information and section that the OC is sent
Information generates trackside equipment first and controls information and be sent to the OC；
The ITS system is also used to based on the trackside equipment information, the section information and the train operation shape
State information generates trackside equipment second and controls information and be sent to the OC；
The OC is also used to control information based on the trackside equipment first control information and the trackside equipment second,
Control trackside equipment.
Optionally, the IVOC, further includes: intelligent train driving ITO subsystem, bridge interface processing module and logical
Believe interface；
The ITO subsystem is connect with the ITP subsystem communication；The ITO subsystem and the ITP subsystem point
It is not communicated to connect with the bridge interface processing module；The ITP subsystem is communicated by the communication interface with the DCS
Connection；
The ITO subsystem, it is unmanned for being carried out on automatic Pilot route under the ITP subsystem controls；
The bridge interface processing module for acquiring the control information of bridge, and is sent to the ITP subsystem
With the ITO subsystem so that the ITP subsystem and the ITO subsystem control train.
Optionally, the ITP subsystem is also used to carry out system time management, train speed management based on preset rules
Protection, schema management, traffic safety protection, train information management and auxiliary drive；
Wherein, the system time management, comprising: train time and clock server time synchronization；
The train speed management protection, comprising: parameter updates, wheel footpath verification, speed limit calculates and overspeed protection；
The schema management, including manage default highest driving mode, rank conversion and the suspicious mark in both ends；
The traffic safety protection, comprising: parking management, protection of dispatching a car, the response of platform emergency stop push button, management regression
Protection and equipment safety protection；
The train information management, comprising: train test, train integrity monitoring, version number's management, train position pipe
Reason, zero-speed judgement and opposite end control protection；
The auxiliary drives, comprising: vehicle door status management, car door permission, car door and shield door linkage control are turned back and changed
It holds, turn back automatically, automatic train operation ATO is enabled and ATO supervision.
Optionally, the OC is also used to: information collection and access, resource allocation, data communication and communication train message tube
Reason；
The information collection and access, comprising: by interacting with trackside equipment, obtain the state letter of line resource in real time
Breath；
The resource allocation, comprising: be train distributed lines resource, and different access authorization for resource ranks is provided；
The data communication, comprising: access DCS backbone network and/or DCS wireless network carry out data with IVOC and ITS system
Interaction；
The communication train information management, comprising: the list of the IVOC of connection is established in maintenance with the OC.
Optionally, the DCS includes: DCS backbone network and DCS wireless network, for the ITS system, OC, described
Communication connection management between TMC and the IVOC.
As shown from the above technical solution, the CBTC system disclosed by the invention based on truck traffic, can reduce ground installation,
Cancel the equipment such as ground ATP, interlocking, IVOC can be autonomous by carrying out information exchange with IVOC, OC and ITS system of front and back vehicle
Mobile license is calculated, plans planning driving path；ITS system can be based on field condition, automatically generate Train Detection and Identification information, mitigate
The homework burden of running scheduling personnel promotes efficiency of operation and service level；And it is sent to the IVOC；TMC obtains route limit
Fast information is simultaneously sent to each train on route, it can be achieved that train security protection.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the present invention or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little figures obtain other attached drawings.
Fig. 1 is the structural schematic diagram of traditional CBTC system；
Fig. 2 is the structural schematic diagram of background technique middle orbit traffic full-automatic driving simplified system；
Fig. 3 is a kind of structural schematic diagram of the CBTC system based on truck traffic provided in an embodiment of the present invention；
Fig. 4 is a kind of functional schematic of object controller OC provided in an embodiment of the present invention；
Fig. 5 is a kind of track switch resource lock state transition schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of connection signal of the CBTC system components based on truck traffic provided in an embodiment of the present invention
Figure；
Fig. 7 is a kind of structural schematic diagram of IVOC provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, further description of the specific embodiments of the present invention.Following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to phase
Same title distinguishes, rather than implies relationship or sequence between these titles.
Generally speaking, it is managed to break through traditional CBTC system using the Train Detection and Identification of zone controller ZC centralization
By the embodiment of the present invention provides the CBTC system based on truck traffic and traditional CBTC system is improved and upgraded, and is based on Che Chetong
The CBTC system of letter is the decentralised control model using train autonomous control as core.As shown in figure 3, being closed in the movement based on CBTC
On the basis of filling in whistle control system, ZC, CI are merged into intelligent vehicle-carried controller (Intelligent from system architecture
Vehicle On-based Controller, IVOC) in, trackside setting only has the object controller controlled track switch
(Object Controller, OC), CI route, which is handled, to be become by way of the train direct communication of front and back, and train obtains front truck
The information such as position and the speed of service voluntarily calculate the speed that MA controls this vehicle, realize that the tracking with front truck is run, prevent train phase
It hits, knock into the back, thus the operation of more secure and reliable.
As shown in figure 3, present embodiment discloses a kind of CBTC system based on truck traffic, it may include composition portion as follows
Point: intelligent train supervision (Intelligent Train Supervision, ITS) system, object controller (Object
Controller, OC), Train Management platform (Train Manage Center, TMC), data communication system (Data
Communication System, DCS) and it is set to intelligent vehicle-carried controller (Intelligent on each train
Vehicle On-based Controller, IVOC).
Wherein, ITS system, OC, TMC and DCS collectively form ground installation, it is seen that the present embodiment is disclosed to be based on Che Chetong
The CBTC system of letter reduces ground installation type compared to traditional CBTC system, reduce ground installation construction cost and
Maintenance cost, conducive to interconnecting upgrading, transformation and the route between route；Compared to traditional CBTC system, also reduce
System mutual interface message, reduces the complexity of system, thus reduce the maintenance cost of system, meanwhile, it mentions
The high real-time of system.
Connection relationship between each component part is as follows:
ITS system, OC and TMC pass through DCS and IVOC respectively and communicate to connect；OC and TMC pass through DCS and ITS respectively
System communication connection；It is communicated to connect between each IVOC.
Each component part is described as follows:
The OC for obtaining trackside equipment information and section information, and is sent to ITS system and IVOC, Yi Jiji
Trackside equipment is controlled in the trackside equipment control information that the IVOC and the ITS system are sent.
In the present embodiment, information is controlled in order to distinguish the trackside equipment of IVOC and ITS system transmission, uses below trackside
Equipment first controls information and trackside equipment second controls information to distinguish.
In the present embodiment, trackside equipment includes: semaphore, track switch, transponder, wheel counting apparatus, automatic stopping beacon, platform screen
Cover door, the anti-Hongmen Gate and emergency stop push button etc..
In the present embodiment, trackside equipment and section can be collectively referred to as object, obtain object information by OC, and believed object by OC
Breath is sent to ITS and IVOC.
The IVOC, for IVOC, the OC and ITS system progress information exchange with front and back vehicle, to realize
Mobile authorization calculating, planning driving path planning, thermoacoustic prime engine, ranging of testing the speed, unmanned, system time management, train speed pipe
Protection, schema management, traffic safety protection, train information management and auxiliary is managed to drive.
ZC, CI, are merged into IVOC by the CBTC system based on truck traffic disclosed in the present embodiment from system architecture,
Can reduce ground installation, cancel the equipment such as ground ATP, interlocking, IVOC by IVOC, OC and ITS system with front and back vehicle into
Row information interaction can permit from host computer is mobile, plan planning driving path.
In the present embodiment, IVOC is specifically used for obtaining train operation state information, and is sent to ITS system；Especially,
IVOC obtains the destination information of driver's input special circumstances (such as equipment fault, network signal are bad), and is based on purpose
Ground information, trackside equipment information and section information automatically generate planning driving path, and carry out thermoacoustic prime engine based on planning driving path.
In the present embodiment, train operation state information is, for example, the information such as train position, train speed.
In the present embodiment, the IVOC is based on destination information, trackside equipment information and section information and generates roadway
Diameter specifically includes: being based on destination information, inquires in vehicle-mounted configuration path information with the presence or absence of destination path, the target road
Diameter includes current location and the destination: if it exists, then generating planning driving path is the destination path；If it does not exist, then base
In trackside equipment information and section information, the path of calculating current location to the destination, and receiving driver's confirmation
After order, generating planning driving path is the path being calculated.
As it can be seen that intelligent vehicle-carried controller IVOC can obtain the destination information of driver's input, and weigh automatically in the present embodiment
Newly-generated planning driving path, breaks through tradition CBTC system, and the unified limitation being allocated by ATS of train operation plan solves existing
Vehicle Controller VOBC in some rail traffic full-automatic driving simplified systems can only receive train operation plan, then again into
The mobile license of row calculates and path planning, can not be moved under special circumstances (such as not receiving train operation plan)
License calculates and the defect of path planning, and intelligent vehicle-carried controller IVOC compares Vehicle Controller VOBC, more intelligently.
The ITS system is monitored for driving, vehicle, electromechanical equipment and the power supply unit to all fronts, and is carried out tight
Emergency processing in urgent thing event situation, is also used to based on trackside equipment information, section information and train operation state information, raw
At train operation and control information and it is sent to IVOC；And route speed-limiting messages are obtained, and be sent to the TMC.
In the present embodiment, ITS system provides one for metro operation dispatcher and sets to completely driving, vehicle, electromechanics
The monitor supervision platform that standby and power supply unit is monitored, and carry out the emergency processing in the case of emergency episode.By with OC and train
IVOC communication, ITS system obtains the real time status information of on-site signal equipment and train operation, and these information is shown to
Metro operation dispatcher.Metro operation dispatcher issues control instruction according to field condition.In the present embodiment, ITS system
Mainly complete following function: line information is shown, battlefield controls, Train Detection and Identification, train operation tracking, train operation are retouched
It states, route map of train management, train operation plan and vehicle management, adjusted train diagram, the functions such as train running information inquiry.
As it can be seen that in the present embodiment, in addition to metro operation dispatcher issues control instruction, intelligent train according to field condition
Trackside equipment information, section information and train operation state information can be also based on by monitoring ITS system, determine field condition, and
Train Detection and Identification information is automatically generated, the homework burden of running scheduling personnel is mitigated, promotes efficiency of operation and service level, solution
It has determined in existing rail traffic full-automatic driving simplified system whether centre grade integrated dispatch automation control center, still
Station grade integrated dispatch automation control subcenter, is required to the defect that dispatcher issues control instruction according to field condition,
Intelligent train supervision ITS system compares traditional automatic train monitoring ATS system, more intelligently.
In the present embodiment, ITS system can also show trackside equipment information, section information and train to running scheduling personnel
Running state information sends out Train Detection and Identification instruction by running scheduling personnel according to field condition.
In the present embodiment, Train Detection and Identification information for example, information, operational plan etc. are used for when scheduling information, school
The information that train operation is monitored.
The TMC for storing the route speed-limiting messages, and is sent to each train on the route.
As it can be seen that in the present embodiment, when the operation condition of certain section of specific circuit changes, ITS system is from running scheduling
The route speed-limiting messages that Operational requirements are obtained at personnel, and are sent to TMC, and TMC stores route speed-limiting messages, while by this information
It is sent to each train run in the specific circuit, train security protection is realized, solves existing rail traffic and automatically drive
Speed limit calculating can be carried out by sailing the Vehicle Controller VOBC in simplified system, but the operation condition when certain section of specific circuit is sent out
When changing, by VOBC carry out speed limit calculating, have a fixed response time, can not quick response, have the defects that security risk.
In the present embodiment, the DCS includes: DCS backbone network and DCS wireless network, is used for the ITS system, the OC, institute
State the communication connection management between TMC and the IVOC.
In a specific example, the IVOC, comprising: man-machine interface (Man-Machine Interface, MMI)
Module and intelligent train protection (Intelligent Train Protection, ITP) subsystem；
Wherein, MMI module is connect with ITP subsystem communication；
The MMI module, for obtaining the destination information of driver's input；
The ITP subsystem for obtaining train operation state information, and is sent to ITS system；And it is based on destination
Information, trackside equipment information and section information generate planning driving path, and carry out thermoacoustic prime engine based on the planning driving path；
Wherein, described that planning driving path, packet are generated based on the destination information, trackside equipment information and section information
It includes:
Based on the destination information, inquire in vehicle-mounted configuration path information with the presence or absence of destination path, the target road
Diameter includes current location and the destination: if it exists, then generating planning driving path is the destination path；If it does not exist, then base
In the trackside equipment information and section information, the path of calculating current location to the destination, and pass through the MMI mould
Block is shown, after the driver for receiving the MMI module feedback confirms order, generating planning driving path is the road being calculated
Diameter.
CBTC system based on truck traffic disclosed in the present embodiment, IVOC includes MMI module and ITP subsystem, MMI mould
Block obtains the destination information of driver's input, and ITP subsystem is based on destination information and regenerates planning driving path automatically, breaks through and passes
System CBTC system, the unified limitation being allocated by ATS of train operation plan.
In a specific example, the MMI module, be also used to show planning driving path that the ITP subsystem generates,
Show the train operation state information and display for man-machine interoperability information.Wherein, man-machine interoperability information is, for example,
The interactive operation information of driver and train self-test.
In a specific example, the IVOC, further includes: transponder transmission module (Balise Transmission
Module, BTM) and the range finder module that tests the speed；
The BTM, the range finder module that tests the speed are connect with the ITP subsystem communication respectively；
The BTM, for obtaining transponder information and being sent to the ITP subsystem；
The range finder module that tests the speed for measuring this vehicle speed and measuring this vehicle running distance, and is sent to the ITP
Subsystem；
The ITP subsystem is also used to determine based on the transponder information, this vehicle speed and this vehicle running distance
This truck position；And the adjacent vehicle assisted without wheel counting apparatus identification is carried out, adjacent vehicle identification specifically comprises the following steps:
Before the compass of competency that this vehicle drives into the OC, the ID letter of all running trains in the OC compass of competency is obtained
Breath, and the ITP subsystem of train corresponding with each id information is communicated, and the position letter that each id information corresponds to train is obtained
Breath；The location information that all id informations correspond to train is ranked up using transponder sortord, identifies the adjacent vehicle of this vehicle
Id information.
In the present embodiment, adjacent vehicle identification can be realized in wheel counting apparatus failure.If wheel counting apparatus fault-free, the present embodiment is public
The ITP subsystem opened can also realize that the adjacent vehicle based on wheel counting apparatus identifies, existing way specifically can be used, and the present embodiment is no longer superfluous
It states.
In the present embodiment, the range finder module that tests the speed can realize locomotive velocity measuring by radar, velocity sensor, inertial navigation etc..ITP
System can be used satellite data, the transponder information of transponder transmission module acquisition and by positioning sides such as rate integrating algorithms
Formula is realized to train autonomous positioning, specifically, the initial position of train is obtained by modes such as transponder, GPS positionings, and right
The position of train is updated.
In the present embodiment, for the range finder module that tests the speed according to the present speed of train, the period for extrapolating train is distance travelled, then
By to train period distance travelled cumulative, calculating train within a specified time distance travelled, ITP subsystem passes through tired
Distance travelled realization train position is added to update.Range finder module test the speed during calculating train is distance travelled, to consider that train is surveyed
Factors, the calculating cycles such as the sliding slipping state of fast error, train sky add up range error.
In the present embodiment, the data from two kinds of velocity sensor, Doppler radar equipment are can be used in the range finder module that tests the speed
Train speed fusion is carried out, to guarantee the reliability and precision of train speed measurement.
In the present embodiment, for locomotive velocity measuring, modularized design is can be used in the range finder module that tests the speed, and the speed for defining standard connects
Mouthful, so that the range finder module that tests the speed supports the access of the different schemes that test the speed.When needing to change velocity sensor, connect without changing speed
Mouth and the range finder module that tests the speed.
In the present embodiment, 2 velocity sensors of shaft end are installed on, take redundant fashion, any one failure all will not
Influence the availability of range finder module of testing the speed.The range finder module that tests the speed carries out speed to train speed using the non-wheel shaft type speed measuring equipment of radar
The subsidiaries such as information checking are spent, it is possible to prevente effectively from because dallying, sliding bring data noise.
In the present embodiment, train obtains position correction after passing through transponder.When correction position and train when prelocalization phase
Difference updates train when a certain range (this range is calculated according to parameters periods such as period idling slide distance, position errors) is interior
Position, otherwise train position is invalid.
In a specific example, the ITS system is also used to generate speed limit instruction information and is sent to the TMC；
Wherein, the speed limit instruction information is used to indicate whether to open route speed limiting function；
The route speed-limiting messages are sent to each train on the route by the TMC, comprising: are determining the speed limit
After indicating that route speed limiting function is opened in information instruction, the route speed-limiting messages are sent periodically to each on the route
Train.
In the present embodiment, TMC auxiliary completes the unlatching of temporary speed limitation or cancels function, i.e. TMC is determining speed limit instruction letter
After route speed limiting function is opened in breath instruction, temporary speed limitation function is opened, route speed-limiting messages are sent periodically to the line
Each train of road realizes the security protection of each train in speed limit line road.
In a specific example, IVOC realizes that mobile authorization calculates, planning driving path is planned, thermoacoustic prime engine, specifically:
The ITP subsystem, is also used to based on adjacent vehicle recognition result, and the ITP subsystem communication with adjacent vehicle obtains the operating status of adjacent vehicle
Information, and the running state information based on adjacent vehicle, this vehicle speed and this truck position, the distance between control and adjacent vehicle interval, meter
Calculate mobile authorization；And it is based on Train Detection and Identification information planning planning driving path, and thermoacoustic prime engine is carried out based on the planning driving path；
The ITP subsystem is also used to realize that above-mentioned mobile authorization calculates, planning driving path is planned and thermoacoustic prime engine；And
The trackside equipment information and section information that OC is sent are received, trackside equipment first is generated and controls information and be sent to OC.
In the present embodiment, the ITP subsystem communication of the ITP subsystem of this vehicle and adjacent vehicle, the adjacent vehicle operating status letter of acquisition
Breath includes: the information such as train position, train speed.
In the present embodiment, mobile authorization refers to train traversable target point in no instance.Traditional CBTC
In system, mobile authorization computing function is completed by zone controller (Zone Controller, ZC).And in truck traffic system
Under system, the ITP subsystem in IVOC carries out train operation state letter with front truck by continuous Che-Che Tongxin, car-ground communication
Cease interaction (train operation state information such as train position, train speed)；ITP subsystem obtains trackside equipment information from OC
(such as track switch information, shield door information)；ITP subsystem receives the Train Detection and Identification information that ITS system is sent and (such as runs
Plan, including point of destination, next stop information, parking area, dwell time etc.), calculate the mobile authorization (MA) of train.
In the present embodiment, after ITP subsystem calculates MA information, it may be determined that the traffic direction and operation permission of train, and protect
The safe tracking interval of current train and front train is demonstrate,proved, meets design running interval and turn-aound headway requirement, to determine train
The maximum safe speed of operation.Compared with traditional CBTC system, the ITP subsystem of the IVOC under truck traffic system is initiatively counted
Mobile authorization is calculated, and non-passive reception movement is permitted.
In the present embodiment, ITP subsystem can according to ITS system send Train Detection and Identification information (such as operation count
Draw), according in operational plan terminus and the vehicle-mounted preset operating path of configuration path information, it is disposable to plan that train is whole
Path in a operational process, and apply for the line resource in controlling planning path domain.Each period, ITP subsystem meeting
Planning driving path is planned according to constantly extending the case where actual motion.
In the present embodiment, the ITS system is also used to based on trackside equipment information, section information and train operation shape
State information generates trackside equipment second and controls information and be sent to OC.
In the present embodiment, the OC is also used to control information and the control letter of trackside equipment second based on trackside equipment first
Breath controls trackside equipment.
It is more to assign train by the communication between train for CBTC system based on truck traffic disclosed in the present embodiment
From function privileges such as host computer mobile authorization, path plannings, realize that the intelligent of train drives, reduce to ground installation according to
Rely, which not only greatly reduces the construction and maintenance cost of signal system trackside equipment, but also to train interval
With more flexible control, to improve the operational efficiency of train.
In a specific example, the IVOC, further includes: intelligent train driving ITO subsystem, bridge interface
Manage module and communication interface.
The ITO subsystem is connect with the ITP subsystem communication；The ITO subsystem and the ITP subsystem point
It is not communicated to connect with the bridge interface processing module；The ITP subsystem is communicated by the communication interface with the DCS
Connection.
The ITO subsystem, it is unmanned for being carried out on automatic Pilot route under the ITP subsystem controls.
In the present embodiment, the ITO subsystem supports train that can operate on automatic Pilot route, and has full-automatic
Unmanned function.
The bridge interface processing module for acquiring the control information of bridge, and is sent to the ITP subsystem
With the ITO subsystem so that the ITP subsystem and the ITO subsystem control train.
In a specific example, the ITP subsystem, be also used to based on preset rules carry out system time management,
Train speed management protection, schema management, traffic safety protection, train information management and auxiliary drive；
Wherein, the system time management, comprising: train time and clock server time synchronization；
The train speed management protection, comprising: parameter updates, wheel footpath verification, speed limit calculates and overspeed protection；
The schema management, including manage default highest driving mode, rank conversion and the suspicious mark in both ends；
The traffic safety protection, comprising: parking management, protection of dispatching a car, the response of platform emergency stop push button, management regression
Protection and equipment safety protection；
The train information management, comprising: train test, train integrity monitoring, version number's management, train position pipe
Reason, zero-speed judgement and opposite end control protection；
The auxiliary drives, comprising: vehicle door status management, car door permission, car door and shield door linkage control are turned back and changed
It holds, turn back automatically, automatic train operation ATO is enabled and ATO supervision.
In a specific example, the OC is also used to: information collection and access, resource allocation, data communication and logical
Believe train information management.It is described as follows:
The function of object controller OC is as shown in figure 4, the function of object controller OC can be divided into information collection and access, money
Source distribution, data communication, communication train information management and equipment control,.
Wherein, information collection is specifically included with access facility: object controller OC by with trackside equipment (changing points
Machine, axle counting system etc.) interaction, the status information (such as meter shaft section occupied state, switch status) of line resource is obtained in real time.
Information stores in the form of a list, and real-time perfoming updates.Wherein, the information of acquisition includes: meter shaft section occupancy/idle state letter
Breath, switch status information, emergency stop push button information, the status information of Flood gate and train ID, IP address information.
Resource allocation function specifically includes: train first has to application route before using line resource (track switch and relevant portions)
The permission of resource, object controller OC is train distributed lines resource, and provides different access authorization for resource ranks, and train only obtains
Line resource could be used after taking associated rights.
Data communication function specifically includes: access DCS backbone network and/or DCS wireless network, object controller OC and IVOC and
ITS system carries out data interaction.
Communication train information management function specifically includes: the list of the IVOC of connection is established in maintenance with the OC.
Equipment control function specifically includes:
Control of the train for track switch: train needs the permission of first to file switch section, after getting associated rights, to right
As controller OC sends the order that track switch is pulled.After object controller OC receives order, track switch is sent to goat and pulls instruction.
Control of the ITS system for track switch: ITS system needs the permission of first to file switch section, gets relevant power
After limit, the order that track switch is pulled is sent to object controller OC.
Object controller OC is different from existing interlock device, the interlock connection judgement without track switch control.Object control
Device OC processed can use existing certain equipment, but these equipment are not connect with interlock device, and object controller OC is a kind of money
Source controls management equipment, is allocated, saves, updates to line resource.
The control mode that route is handled in traditional interlocking is lower to the utilization rate of line resource and inflexible.In vehicle vehicle
Communicate in CBTC system, to the distribution of section resource and track switch resource and seized by object controller OC, realization train for
The safe handling of line resource.Original system only has one control source of station interlocking, and the source controlled now has become more
Train, it is also possible to have ITS system.In order to avoid confusion occurs, it is specified that when a train when operating track switch do not permit by others train
Perhaps same track switch is operated simultaneously, this mechanism just passes through " switch lock, point lock " Lai Shixian.In order to improve through efficiency, avoid resource unrestrained
Take, track switch resource lock is divided into " exclusive lock " and " shared lock " two-stage.Exclusive lock can only give one in a period of time
Vehicle, shared lock can authorize more vehicles simultaneously.
Fig. 5 shows track switch resource lock state transition schematic diagram, train or ITS system according to route plan, autonomous decision
Apply for " exclusive lock " or " shared lock " of track switch.By the lock of track switch and section, guarantee mutual exclusion of the train for line resource
It uses, to guarantee the safety of the online road transport row of train.
Seizing for section resource is described as follows:
Multiple row vehicle is allowed to use simultaneously in the section resource same time.By carried out in real time between train location information and
The interaction of mobile authorization information, it is ensured that Separation control is realized in safe operation.Section resource has shared attribute.For
Special section resource may such as occur the region (also referred to as invading limit section) of two train side blows, can retouch in electronic map
It is associated with track switch limit section is invaded when stating, limit section is invaded to protect indirectly by control track switch.
Seizing for track switch resource is described as follows:
Train first has to seize related track switch resource before passing through or controlling track switch.Train seizes track switch
Shared lock success, then can pass through current track switch；Train seizes the success of track switch exclusive lock, then can control track switch.Column
Vehicle realizes the monitoring and distribution of track switch by preempting resources, and track switch is passed through for realization and the mutual exclusion controlled and locking relation, from
And the safety in path when train passes through track switch is ensured.
In train travelling process, pass through IVOC application and keep occupy secure path (secure path guarantee before and after vehicle not
The path of collision) all access authorization for resource in range.The application and release of line resource permission are required to follow certain rule
With inspection security protection condition.Under normal conditions, line resource is discharged by train, it in special circumstances, can also be by adjusting
Degree person carries out resource release by ITS system.
By information collection and access facility, interaction to line resource, preservation and management are realized；Pass through maintenance list
Mode realizes storage and update for resource, does not have to save electronic map, simplifies the logical construction of object controller OC；It is logical
Resource allocation is crossed, realizes the management of line resource；By the shared state or shared lock of track switch, realizes and closed in the movement of switch section
Plug；By data communication, object controller OC is connect with IVOC, ITS system, receive IVOC or ITS system resource bid or
It releases order, after object controller OC receives the querying command of IVOC or ITS system, the status information of feedback line resource is
A kind of equipment by dynamic response；And manipulated by resource, realize the control to track switch, shield door.
The present embodiment does not continue to use traditional interlocking technology, therefore does not need to set on ground such as ground configuration interlocking, semaphores
It is standby, it simplifies control logic, reduce equipment cost and maintenance cost；Simultaneously according to the resource bid of IVOC or ITS system, lead to
It crosses and judges that the resource status of track switch carries out access authorization for resource distribution to the track switch and controls, track switch and area needed for being reached in train
Before Duan Ziyuan, these resources are applied and distributed, to realize the security protection of train, and improves the benefit of line resource
With rate.
Based on the above various embodiments, Fig. 6 shows the connection signal of the CBTC system components based on truck traffic
Figure.Fig. 7 shows the structural schematic diagram of IVOC.In Fig. 7, IVOC uses modularized design, and train tail end can both configure double
Set 2 multiplies 2 and takes 2 safety computer platforms, can also configure single set platform, wherein arranging in the vehicle-mounted equipment frame structure of single set platform such as Fig. 7
Vehicle head end IVOC, comprising: ITP, ITO, MMI, BTM, test the speed the relevant devices such as range finder module and bridge interface processing module.It is logical
It crosses through track end to end and realizes that Integrity Self Test is surveyed；Using the wireless communication transmissions means such as LTE, WLAN, Ad-hoc, carry out in real time
Two-way communication between train and train, train and ground.By obtaining the position of front truck with the real time communication of front truck and driving
The information such as mode are sailed, the status informations such as trackside track switch, shield door, emergency stop push button are received by train-ground communication, calculate train
Itself mobile authorization/permission speed of service and brake regulation curve, output traction and control for brake train operation, realize movement
Occlusion operation control, guarantees safe train operation.
Based on the above various embodiments, it is seen then that the CBTC system of new generation based on truck traffic is in performance, reliability, cost
Etc. have the advantage that, become the direction that the next generation is future signal System Development.
1) performance is higher.Vehicle-carrying communication data flow is gone directly control object, and data flow simplifies, and system performance is higher.
2) reliability is higher.Equipment reduction reduces failure rate.The failure of any single vehicles signal system all affects only
Current and adjacent train, and the failure of station equipment influences whether all train operations in whole region in tradition CBTC.
3) cost is lower.Due to reducing station equipment, the costs such as construction, debugging, electricity consumption, device rooms are reduced.
4) construction is easy with maintenance.All ON TRAINS, not only the maintenance of system is very convenient for the capital equipment of system；And
For line is transformed, is even more disobeyed due to it and be against ground installation, can greatly reduce engineering difficulty.
5) be conducive to the implementation interconnected.Due to reducing the interface of train-ground communication, independent of ground installation, more hold
Easily realize interconnecting between different systems.
It is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although reference
Invention is explained in detail for previous embodiment, those skilled in the art should understand that: it still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (9)
1. a kind of CBTC system based on truck traffic characterized by comprising intelligent train supervision ITS system, object control
Device OC, Train Management platform TMC, data communication system DCS and the intelligent vehicle-carried controller IVOC being set on each train；
Wherein, the ITS system, the OC and the TMC pass through the DCS and IVOC respectively and communicate to connect；It is described
The OC and TMC is connect by the DCS with the ITS system communication respectively；It is communicated to connect between each IVOC；
The OC for obtaining trackside equipment information and section information, and is sent to the ITS system and the IVOC, with
And the trackside equipment control information sent based on the IVOC and the ITS system controls trackside equipment；
The IVOC, for IVOC, the OC and ITS system progress information exchange with front and back vehicle, to realize movement
Authorize calculating, planning driving path planning, thermoacoustic prime engine, ranging of testing the speed, unmanned, system time management, train speed management anti-
Shield, schema management, traffic safety protection, train information management and auxiliary drive；
The ITS system is monitored for driving, vehicle, electromechanical equipment and the power supply unit to all fronts, and carries out urgent thing
Therefore the emergency processing in situation, it is also used to based on the trackside equipment information, the section information and train operation state letter
Breath generates Train Detection and Identification information and is sent to the IVOC；And route speed-limiting messages are obtained, and be sent to the TMC；
The TMC for storing the route speed-limiting messages, and is sent to each train on the route；
Wherein, the IVOC, comprising: man-machine interface MMI module and intelligent train protection ITP subsystem；
Wherein, the MMI module is connect with the ITP subsystem communication；
The MMI module, for obtaining the destination information of driver's input；The ITP subsystem, for obtaining train operation shape
State information, and it is sent to the ITS system；And it is raw based on the destination information, trackside equipment information and section information
Thermoacoustic prime engine is carried out at planning driving path, and based on the planning driving path；
It is wherein, described that planning driving path is generated based on the destination information, trackside equipment information and section information, comprising:
Based on the destination information, inquire in vehicle-mounted configuration path information with the presence or absence of destination path, the destination path packet
Include current location and the destination: if it exists, then generating planning driving path is the destination path；If it does not exist, then it is based on institute
State trackside equipment information and section information, calculate current location to the destination path, and by the MMI module into
Row display, after the driver for receiving the MMI module feedback confirms order, generating planning driving path is the path being calculated.
2. CBTC system according to claim 1, which is characterized in that the IVOC, further includes: transponder transmission module
BTM and the range finder module that tests the speed；
The BTM, the range finder module that tests the speed are connect with the ITP subsystem communication respectively；
The BTM, for obtaining transponder information and being sent to the ITP subsystem；
The range finder module that tests the speed for measuring this vehicle speed and measuring this vehicle running distance, and is sent to the ITP subsystem
System；
The ITP subsystem is also used to determine this vehicle based on the transponder information, this vehicle speed and this vehicle running distance
Position；And the adjacent vehicle assisted without wheel counting apparatus identification is carried out, specifically comprise the following steps:
Before the compass of competency that this vehicle drives into the OC, the id information of all running trains in the OC compass of competency is obtained,
And the ITP subsystem of train corresponding with each id information is communicated, and the location information that each id information corresponds to train is obtained；
The location information that all id informations correspond to train is ranked up using transponder sortord, identifies the ID of the adjacent vehicle of this vehicle
Information.
3. CBTC system according to claim 1, which is characterized in that the ITS system is also used to generate speed limit instruction letter
It ceases and is sent to the TMC；Wherein, the speed limit instruction information is used to indicate whether to open route speed limiting function；
The route speed-limiting messages are sent to each train on the route by the TMC, comprising: are determining the speed limit instruction
After route speed limiting function is opened in information instruction, each column for the route speed-limiting messages being sent periodically on the route
Vehicle.
4. CBTC system according to claim 1, which is characterized in that the MMI module is also used to show ITP
Planning driving path, the display train operation state information and the display that system generates are used for man-machine interoperability information.
5. CBTC system according to claim 2, which is characterized in that
The ITP subsystem is also used to based on the adjacent vehicle recognition result, and the ITP subsystem communication with adjacent vehicle obtains adjacent vehicle
Running state information, and running state information, described vehicle speed and this described truck position based on the adjacent vehicle, control and neighbour
The distance between vehicle interval calculates mobile authorization；And it is based on the Train Detection and Identification information planning planning driving path, and be based on
The planning driving path carries out thermoacoustic prime engine；And trackside equipment information and section information that the OC is sent are received, generate trackside
Equipment first controls information and is sent to the OC；
The ITS system is also used to based on the trackside equipment information, the section information and train operation state letter
Breath generates trackside equipment second and controls information and be sent to the OC；
The OC is also used to control information, control based on the trackside equipment first control information and the trackside equipment second
Trackside equipment.
6. CBTC system according to claim 1, which is characterized in that the IVOC, further includes: intelligent train driving ITO
Subsystem, bridge interface processing module and communication interface；
The ITO subsystem is connect with the ITP subsystem communication；The ITO subsystem and the ITP subsystem respectively with
The bridge interface processing module communication connection；The ITP subsystem passes through the communication interface and the DCS communication link
It connects；
The ITO subsystem, it is unmanned for being carried out on automatic Pilot route under the ITP subsystem controls；
The bridge interface processing module for acquiring the control information of bridge, and is sent to the ITP subsystem and institute
ITO subsystem is stated, so that the ITP subsystem and the ITO subsystem control train.
7. CBTC system according to claim 6, which is characterized in that the ITP subsystem is also used to based on preset rules
Carry out system time management, train speed management protection, schema management, traffic safety protection, train information management and auxiliary
It drives；
Wherein, the system time management, comprising: train time and clock server time synchronization；
The train speed management protection, comprising: parameter updates, wheel footpath verification, speed limit calculates and overspeed protection；
The schema management, including manage default highest driving mode, rank conversion and the suspicious mark in both ends；
The traffic safety protection, comprising: parking management, protection of dispatching a car, the response of platform emergency stop push button, management regression protection
It is protected with equipment safety；
The train information management, comprising: train test, train integrity monitoring, version number's management, train position management, zero
Speed judgement and opposite end control protection；
The auxiliary drives, comprising: vehicle door status management, car door allow, car door and shield door linkage control, turn back change end, oneself
It is dynamic turn back, automatic train operation ATO is enabled and ATO supervision.
8. CBTC system according to claim 1, which is characterized in that the OC is also used to: information collection and access, resource
Distribution, data communication and communication train information management；
The information collection and access, comprising: by interacting with trackside equipment, obtain the status information of line resource in real time；
The resource allocation, comprising: be train distributed lines resource, and different access authorization for resource ranks is provided；
The data communication, comprising: access DCS backbone network and/or DCS wireless network carry out data friendship with IVOC and ITS system
Mutually；
The communication train information management, comprising: the list of the IVOC of connection is established in maintenance with the OC.
9. CBTC system according to claim 1, which is characterized in that the DCS includes: DCS backbone network and DCS wireless
Net, for the communication connection management between the ITS system, the OC, the TMC and the IVOC.
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