CN100493971C - Space-time two-dimension train tracing method - Google Patents
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Abstract
The present invention aims at solving the problems of train identification loss which causes automatic invalid of operation control and unable to automatically distinguish train block in existing urban rail train operation. The present invention invents a space-time two-dimension train tracking method and consists of the following six steps: train positioning, train inertial distinguishing, stepping distinguishing, system dispatching, train distinguishing deletion and real-time monitoring; the present invention solves the problem of accuracy and promptness in the operation process of the train and orderly dispatches the whole system, timely eliminates train fake identification number, eliminates train monitoring blind area and automatically decides train block accidents. Therefore, the present invention is suitable to be applied in train operation tracking in any block mode in urban rail traffic.
Description
Technical field
The present invention relates to a kind of two-dimension train Tracking Realization method, the two-dimension train tracing method of compatible time dimension of while and Spatial Dimension in especially a kind of urban track traffic, specifically a kind of space-time two-dimension train tracing method.
Background technology
At present, the automatic monitor system of urban railway transit train (ATS) operation is the superiors of entire city track traffic autonomous cruise speed system, it is commander's maincenter of whole metro operation, be used to supervise and control the running state of train, to adapt to the needs of train high speed, high density operation, realize the train operation and management automation.The basic function that the ATS system possesses is: train tracking, route setting, train adjustment, timetable management, facility management, data logging, input and output etc.
In track traffic ATS system, it is the basis of realizing the ATS systemic-function that train is followed the tracks of, its task is the operation with the computer vision reappear theory train, the reproduction of train operation here is to carry out from the mode that a track section jumps to next track section with the simulation train on the computer screen, just represents with free time of track circuit and occupied information.In order to discern train, must distribute a train identifier to train, also the train operation and the train identifier of being monitored to be interrelated simultaneously.Train is followed the tracks of train monitoring and the identification that realizes, is that the ATS system realizes the basis to train supervision and control.
The train tracing method that at present relevant supplier provides is more single, train identification takes place easily loses, the train supervision blind spot appears, cause the ATS system can't realize functions such as automatic route setting, train automatic compensation to the train of losing identification, and can't guarantee when train obstruction accident conditions take place, station equipment monitored control system (BAS) can enter the operational mode of taking precautions against natural calamities the very first time, realizes ventilating.
Summary of the invention
The objective of the invention is to lose and cause runing automatic guidance and lost efficacy and can't judge the problem that train blocks automatically, a kind of space-time two-dimension train tracing method is provided at occurring train identification in the present municipal rail train operation.
Technical scheme of the present invention is:
A kind of space-time two-dimension train tracing method is characterized in that it comprises train positioning, train initial identification, identification stepping, system call, train identification deletion, monitors six steps in real time; In the description of a static data and dynamic data of carrying out to stand at first accordingly before space-time two-dimension is followed the tracks of, track circuit numbering, title, type, service direction, busy flag, related train identifier attribute, the front and back track that is associated is kept in the computing machine in the data form mode together as stand field static data and timetable; With train identifier, car group number, take track circuit numbering, row's sign is saved in the computing machine and according to operating data as dynamic data and upgrades automatically certainly; Wherein
Described train positioning is meant: actual track circuit and section on the computer screen are carried out corresponding one by one, adopt taking of different color artificial track circuits and go out clearly at the computer screen upper curtate; After the track circuit that collecting interlock system provides takies or goes out clearly information,, show taking or going out clearly of track circuit respective segments, realize train space orientation according to all computer screen sections of track circuit numbering search;
Described train initial identification is meant: whenever collect a track circuit occupied information, at first judge this track circuit whether related before track, if related track before not having, then be defined as train and just enter ATS system range of control, train is discerned first,, obtained the train identifier by the inquiry timetable, with this train identifier is that parameter is created the train object, and this identifier is sent to true train by ground car communication; Obtain current system time, contrast timetable this train vehicle line haul hour is judged train whether breakfast or late putting into effect, and prompting operation person carries out Train Control;
Described identification stepping is meant: through the train after the identification first, adopt the released by checking three sections method to realize the stepping of train identifier according to its operation, described released by checking three sections method is meant: whenever collect a track circuit occupied information, whether the related back track of at first judging this track circuit takies, if unoccupied then this track circuit failure is described sends track circuit failure and reports to the police, if take, then the identifier of back track is composed to this track, with the identifier deletion of back track; Whenever collect a track circuit and go out information clearly, at first judge this track circuit related before track whether take, if unoccupied then illustrate that this track circuit train occurs and loses sends train and loses warning, if take, train operation is normal;
Described system call is meant: whenever collect a track circuit occupied information, judge the track circuit type, if for route triggers rail, at first obtain the corresponding train identifier of track, search the train object according to this identifier, judge that whether this train object is from row, if row then be that the automatic route of parameter call is provided with system certainly with the train identifier, whenever collect the train information that comes to a complete stop/dispatch a car, at first obtaining the corresponding train identifier of track, is parameter call train automatic adjustment system with the train identifier;
Described train identification deletion is meant: whenever collect a track circuit and go out information clearly, at first judge this track circuit whether related before track, if related track before not having then is defined as train and withdraws from ATS system range of control, delete this train identification, delete the train object simultaneously;
Described real-time monitoring is meant: all track circuit seizure conditions of real-time judge, obtain the related train identifier attribute of the track circuit that is in seizure condition, judge whether related train identifier is false train identifier, if be false train identifier, calculate current system time, the inquiry time-table obtains the train identifier that this respective carter circuit defines in timetable, with this train identifier train is discerned, abandoned false train identifier; All station track circuit seizure conditions of real-time judge, obtain and be in the station track circuit of state clearly, calculate current system time, the inquiry time-table, judgement is in clearly the station track circuit of state in the current time and whether has train identification, is judged as train and does not in time get to the station if exist, and judges to be in clearly whether the station track circuit of state still goes out clearly in the certain hour section again, block if then be judged to be train, thus the time location of realizing train;
By processing to incoming task in above-mentioned six steps, the final demonstration that realizes that on control center's computer screen train operation reproduction, train identifier show, alarm message, track circuit failure alarm message, train blockage information are lost in the train late alarm message that puts into effect, train operation early.
Described incoming task comprises: the track circuit that receives the interlock system transmission takies/goes out information clearly, receives the train identifying information and receives the information that comes to a complete stop/dispatch a car that train sends.
Beneficial effect of the present invention:
The invention solves timely, accurately reproduction in the train travelling process.Can make total system dispatch in order, in time eliminate the false identifier of train, eliminate the train supervision blind spot and can judge the train obstructing event automatically, the train operation that can handle under any obturation modes of urban track traffic is followed the tracks of.
Description of drawings
Fig. 1 is a train space orientation diagram of circuit of the present invention.
Fig. 2 is a train initial identification diagram of circuit of the present invention.
Fig. 3 is an identification stepping diagram of circuit of the present invention.
Fig. 4 is a system call diagram of circuit of the present invention.
Fig. 5 is a train identification deletion diagram of circuit of the present invention.
Fig. 6 is a real-time monitoring diagram of circuit of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
A kind of space-time two-dimension train tracing method serves as to handle object with track circuit and train, takies and goes out Event triggered train positioning, identification clearly according to track circuit and handle, and dispatches automatic route setting, train automatic compensation subsystem; Table information carries out train and monitors in real time in addition.Comprise:
At first at the actual demand of total system, the description of stand accordingly a static data and dynamic data is as track circuit numbering, title, type, service direction, busy flag, related train identifier attribute, the front and back track etc. that is associated; Train identifier, car group number, take track circuit numbering, row's sign etc. certainly.A stand static data and timetable preserved in the data form mode, and dynamic data upgrades automatically according to operating data.
Incoming task: the track circuit that receives the interlock system transmission takies/goes out information clearly, receives the train identifying information, receives the information etc. that comes to a complete stop/dispatch a car that train sends.
Processing tasks: (1) train positioning: handle track circuit and take/go out information clearly, realize that the train operation computer screen reproduces.(2) train initial identification: the processing train enters ATS system range of control first and discerns.(3) identification stepping: the track circuit that causes according to train operation takies/goes out stepping train identifier clearly.
(4) system call: handle special track circuit occupied information, call automatic route system is set; Handle the train information that comes to a complete stop/dispatch a car, call train automatic compensation subsystem.(5) train identification deletion: the processing train withdraws from ATS system range of control and discerns deletion.(6) monitoring in real time: take/go out information and table information clearly according to track circuit, all trains on the circuit are monitored.
Output task: computer screen train operation reproduction, the demonstration of train identifier, track circuit failure alarm message, train blockage information etc.
Concrete logical process is as follows:
Train positioning: actual track circuit and section on the computer screen are carried out corresponding one by one, adopt taking of different color artificial track circuits and go out clearly at the computer screen upper curtate.After the track circuit that collecting interlock system provides takies or goes out clearly information,, show taking or going out clearly of track circuit respective segments, realize train positioning according to all computer screen sections of track circuit numbering search.
The train initial identification: whenever collect a track circuit occupied information, at first judge this track circuit whether related before track, if related track before not having then is defined as train and just enters ATS system range of control, train is discerned first.The inquiry timetable obtains the train identifier, is that parameter is created the train object with this train identifier, and this identifier is sent to true train by ground car communication; Obtain current system time, contrast timetable this train vehicle line haul hour is judged train whether breakfast or late putting into effect, and prompting operation person carries out Train Control.
Identification stepping:, adopt the released by checking three sections method to realize the stepping of train identifier according to its operation through the train after the identification first.Described released by checking three sections method is meant: whenever collect a track circuit occupied information, judge at first whether the related back track of this track circuit takies, if unoccupied then this track circuit failure is described sends track circuit failure and reports to the police.If take, then the identifier of back track is composed to this track, the identifier deletion of back track.Whenever collect a track circuit and go out information clearly, at first judge this track circuit related before track whether take, if unoccupied then illustrate that this track circuit train occurs and loses sends train and loses warning.If take, train operation is normal.
System call: whenever collect a track circuit occupied information, judge the track circuit type, if for route triggers rail, at first obtain the corresponding train identifier of track, search the train object according to this identifier, judge this train object whether from row, if row then be that the automatic route of parameter call is provided with system certainly with the train identifier.Whenever collecting the train information that comes to a complete stop/dispatch a car, at first obtain the corresponding train identifier of track, is parameter call train automatic adjustment system with the train identifier.
Train identification deletion: whenever collect a track circuit and go out information clearly, at first judge this track circuit whether related before track, if related track before not having then is defined as train and withdraws from ATS system range of control, delete this train identification, delete the train object simultaneously.
Monitoring in real time: all track circuit seizure conditions of real-time judge, obtain the related train identifier attribute of the track circuit that is in seizure condition.Judge whether related train identifier is false train identifier, if be false train identifier, calculate current system time, the inquiry time-table, obtain the train identifier that this respective carter circuit defines in timetable, with this train identifier train is discerned, abandoned false train identifier.All station track circuit seizure conditions of real-time judge, obtain and be in the station track circuit of state clearly, calculate current system time, the inquiry time-table, judgement is in clearly the station track circuit of state in the current time and whether has train identification, is judged as train and does not in time get to the station if exist.Judge again in the certain hour section, to be in clearly whether the station track circuit of state still goes out clearly, block if then be judged to be train.
Contrast accompanying drawing 1-6 is further described as follows below:
When a certain train from car depot, when arriving the conversion rail, system acquisition is to conversion rail occupied information, at first on computer screen, the section of corresponding conversion rail is changed to and takies (being defined as redness), then along with the operation of train, system's continuous collecting takies and goes out information clearly to each track circuit, cooresponding respective segments on the computer screen is changed to take and go out clearly (be defined as yellow).The diagram of circuit of train positioning as shown in Figure 1.
When train takies the conversion rail from car depot, judge the whether relevant back of conversion rail track, because the conversion rail is for entering first track circuit of ATS system, there is not related back track, read time-table, obtain the train identifier that to put into effect, create the train object, the train identifier is sent to true train by ground car communication.Then compare the vehicle line haul hour that current time in system and this train define in timetable, if the vehicle line haul hour that the current time in system defines in timetable less than train, the expression train puts into effect ahead of time, if the vehicle line haul hour that the current time in system defines in timetable greater than train, train is late puts into effect in expression, reports to the police to the operator.The diagram of circuit of train initial identification as shown in Figure 2.
On the basis of train initial identification and location, carry out the stepping of train identifier.The change color of computer screen upper curtate has been represented the operation of train, but can't determine it is what train, the purpose of stepping is exactly for the taking and go out clearly and get in touch with true train of computer screen upper curtate, and the train identifier is followed the change color of section and changed.When system acquisition arrives the track circuit occupied information, judge that at first this takies because train occupation causes or because track circuit failure if track is in clearly after this track circuit association, is judged as track circuit failure, provide alarm message; If track is in and takies after this track circuit association, be judged as train occupation, read the train identifier of related back track, to compose and give this track, relevant section identifier shows on the driving computer screen.When system acquisition goes out clearly information to track circuit, judge that at first this goes out is clearly because train operation causes or because train jumps to be caused, if track is in clearly before this track circuit association, is judged as train and jumps (vacation goes out clearly), provides alarm message; If track is in and takies before this track circuit association, be judged as going out clearly that normal train operation causes.The diagram of circuit of train identifier stepping as shown in Figure 3.
Along with the operation of train, whenever collect a track circuit and take, judge the track circuit type, if being set to route, system triggers rail, illustrate that need call automatic route at this track is provided with subsystem.At first obtain the train identifier on this track, search the train object according to the train identifier, judge the attribute of row certainly of this train object, if row is for true certainly, this train is set at and can carries out automatic route arrangement, calls automatic route subsystem is set.If row is for false certainly, this train can only carry out artificial route and arrange.Can on the interface, make amendment by the operator from row's attribute.Train arrival and departures the time can send the train information that comes to a complete stop and dispatch a car, and train automatic compensation subsystem calls according to this information in system.All scheduling are based on the train identifier.The diagram of circuit of system call as shown in Figure 4.
Train goes back to car depot according to the timetable operation when finishing operation.Train goes out when changing rail clearly, and system acquisition goes out information clearly to the conversion rail, judge the current service direction of this track whether relevant before track.The conversion rail is that train withdraws from last track circuit of ATS system, does not have related preceding track, and deletion train identifier is deleted the train object simultaneously.The diagram of circuit of train identification deletion as shown in Figure 5.When realizing that the train space is followed the tracks of, create a time tracking thread system is monitored in real time.Adopt second level regularly.In thread, judge the seizure condition of all track circuits, if track circuit takies, obtain its related train identifier, if should association train identifier be false identifier, then discern train (false train identifier is abandoned), guaranteed that train operation carries out according to timetable with the train identifier that takies in the track circuit attribute; If track circuit goes out clearly, judge then whether this track circuit is the platform rail, this track circuit existence takies the train identifier if the platform rail is judged current time again, if exist, illustrate that then train does not get to the station in the given time, write down a variables D elay=1 this moment, in next timing, rejudge, if train does not still get to the station, Delay++ judges that simultaneously whether Delay is greater than 120 (can set), if have train obstruction to take place, notify BAS system immediately in the tunnel greater than explanation.The diagram of circuit of monitoring as shown in Figure 6 in real time.
Claims (2)
1, a kind of space-time two-dimension train tracing method is characterized in that it comprises train positioning, train initial identification, identification stepping, system call, train identification deletion, monitors six steps in real time; In the description of a static data and dynamic data of carrying out to stand at first accordingly before space-time two-dimension is followed the tracks of, track circuit numbering, title, type, service direction, busy flag, related train identifier attribute, the front and back track that is associated is kept in the computing machine in the data form mode together as stand field static data and timetable; With train identifier, car group number, take track circuit numbering, row's sign is saved in the computing machine and according to operating data as dynamic data and upgrades automatically certainly; Wherein
Described train positioning is meant: actual track circuit and section on the computer screen are carried out corresponding one by one, adopt taking of different color artificial track circuits and go out clearly at the computer screen upper curtate; After the track circuit that collecting interlock system provides takies or goes out clearly information,, show taking or going out clearly of track circuit respective segments, realize train space orientation according to all computer screen sections of track circuit numbering search;
Described train initial identification is meant: whenever collect a track circuit occupied information, at first judge this track circuit whether related before track, if related track before not having, then be defined as train and just enter the automatic monitor system range of control of train, train is discerned first,, obtained the train identifier by the inquiry timetable, with this train identifier is that parameter is created the train object, and this identifier is sent to true train by ground car communication; Obtain current system time, contrast timetable this train vehicle line haul hour is judged train whether breakfast or late putting into effect, and prompting operation person carries out Train Control;
Described identification stepping is meant: through the train after the identification first, adopt the released by checking three sections method to realize the stepping of train identifier according to its operation, described released by checking three sections method is meant: whenever collect a track circuit occupied information, whether the related back track of at first judging this track circuit takies, if unoccupied then this track circuit failure is described sends track circuit failure and reports to the police, if take, then the identifier of back track is composed to this track, with the identifier deletion of back track; Whenever collect a track circuit and go out information clearly, at first judge this track circuit related before track whether take, if unoccupied then illustrate that this track circuit train occurs and loses sends train and loses warning, if take, train operation is normal;
Described system call is meant: whenever collect a track circuit occupied information, judge the track circuit type, if for route triggers rail, at first obtain the corresponding train identifier of track, search the train object according to this identifier, judge that whether this train object is from row, if row then be that the automatic route of parameter call is provided with system certainly with the train identifier, whenever collect the train information that comes to a complete stop/dispatch a car, at first obtaining the corresponding train identifier of track, is parameter call train automatic adjustment system with the train identifier;
Described train identification deletion is meant: whenever collect a track circuit and go out information clearly, at first judge this track circuit whether related before track, if related track before not having, then be defined as train and withdraw from the automatic monitor system range of control of train, delete this train identification, delete the train object simultaneously;
Described real-time monitoring is meant: all track circuit seizure conditions of real-time judge, obtain the related train identifier attribute of the track circuit that is in seizure condition, judge whether related train identifier is false train identifier, if be false train identifier, calculate current system time, the inquiry time-table obtains the train identifier that the respective carter circuit defines in timetable, with this train identifier train is discerned, abandoned false train identifier; All station track circuit seizure conditions of real-time judge, obtain and be in the station track circuit of state clearly, calculate current system time, the inquiry time-table, judgement is in clearly the station track circuit of state in the current time and whether has train identification, is judged as train and does not in time get to the station if exist, and judges to be in clearly whether the station track circuit of state still goes out clearly in the certain hour section again, block if then be judged to be train, thus the time location of realizing train;
By processing to incoming task in above-mentioned six steps, the final demonstration that realizes that on control center's computer screen train operation reproduction, train identifier show, alarm message, track circuit failure alarm message, train blockage information are lost in the train late alarm message that puts into effect, train operation early.
2, space-time two-dimension train tracing method according to claim 1 is characterized in that described incoming task comprises: the track circuit that receives the interlock system transmission takies/goes out information clearly, receives the train identifying information and receives the information that comes to a complete stop/dispatch a car that train sends.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102707175A (en) * | 2012-06-13 | 2012-10-03 | 中国铁道科学研究院基础设施检测研究所 | Dynamic testing method and device for poor shunting of track circuit |
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| CN102815320B (en) * | 2011-06-12 | 2016-03-30 | 周利荣 | One realizes the intelligentized method of wheel detection type intelligent track circuit |
| CN102407866B (en) * | 2011-10-08 | 2013-09-11 | 北京交控科技有限公司 | Train identification number tracking method under fixed blocked condition |
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| CN108116447B (en) * | 2017-12-12 | 2020-05-08 | 交控科技股份有限公司 | Method for processing poor shunting of track circuit |
| CN108423035B (en) * | 2018-05-09 | 2020-08-21 | 南京恩瑞特实业有限公司 | Method for tracking train set number of subway train section |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707175A (en) * | 2012-06-13 | 2012-10-03 | 中国铁道科学研究院基础设施检测研究所 | Dynamic testing method and device for poor shunting of track circuit |
| CN102707175B (en) * | 2012-06-13 | 2014-11-05 | 中国铁道科学研究院基础设施检测研究所 | Dynamic testing method and device for poor shunting of track circuit |
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