CN100575166C - In the city rail traffic signal system train position is realized the dynamically method of tracking - Google Patents
In the city rail traffic signal system train position is realized the dynamically method of tracking Download PDFInfo
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- CN100575166C CN100575166C CN200810200487A CN200810200487A CN100575166C CN 100575166 C CN100575166 C CN 100575166C CN 200810200487 A CN200810200487 A CN 200810200487A CN 200810200487 A CN200810200487 A CN 200810200487A CN 100575166 C CN100575166 C CN 100575166C
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Abstract
The present invention relates in the city rail traffic signal system train position be realized the dynamically method of tracking, this method comprises: track is divided the logic district section; The definition of track switch logic block; Raw position data and mapping of logical place data coordinates and conversion; Train is followed the tracks of with train reserve check implement based on the train automatic guidance of communication and is followed the tracks of automatic switchover; What position-based was followed the tracks of judges near platform/the arrive at a station platform that stops/leave.Compared with prior art, the present invention can automatically switch to reserve train detection information according to interlock system report (meter axle or track circuit section take/go out state clearly) and follow the tracks of processing, and after regaining the exact location report, the CBTC that automaticallyes switch back follows the tracks of processing, automatic dispatching, adjustment and management have better been realized to train, thereby alleviate dispatcher and watch keeper's working strength, optimize the circuit operating efficiency.
Description
Technical field
The present invention relates to relate in particular in the city rail traffic signal system train position is realized the dynamically method of tracking for providing a kind of actv. train tracking processing method based on the intelligent automatic train monitoring system system (ITS) in train automatic guidance (CBTC) signal system of communication.
Background technology
It is a basic Core Feature of urban track traffic ITS system that train is followed the tracks of, ITS is to the monitoring function of train, comprise that train position shows, the control of arriving at a station and dispatching a car, and timetable automatic compensation, automatically route is handled or the like automation function, all depends on train accurate recognition and Position Tracking.
In the signal system of conventional fixed obturation or quasi-moving block, ITS can only realize by some passive check implements the detection of train position, as track circuit or meter axle.And accuracy of detection is not high, can only judge train in certain track circuit or meter axle section, but can't know the exact location of train in section, influences ITS and controls accurately and adjust.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the defective that above-mentioned prior art exists, to provide in the higher city rail traffic signal system of a kind of precision train position is realized the dynamically method of tracking.
Purpose of the present invention can be achieved through the following technical solutions: in the city rail traffic signal system train position is realized the dynamically method of tracking, it is characterized in that this method comprises:
(1) track is divided the logic district section: the length of logic district section is defined as lower limit according to Position Tracking display precision requirements definition, and the upper limit defines according to the train vehicle commander;
(2) track switch logic block definition: track switch is defined as three logic district section branches;
(3) mapping of raw position data and logical place data coordinates and conversion: the train raw position data is scaled the train covering takies one or more track logic district sections and track switch logic branch away minor segment;
(4) train is followed the tracks of with train reserve check implement based on the train automatic guidance of communication and followed the tracks of automatic switchover: definition reserve detects the relation that big section comprises the logic district section, and in view of the above lose based on communication train automatic guidance position report the time, change the logic district section that running train takies according to reserve detector segments seizure condition, realize following the tracks of;
What (5) position-based was followed the tracks of judges near platform/the arrive at a station platform that stops/leave: judge train near platform according to the variation of train occupation logic district section, arrive at a station and stop or leave platform.
Described train attendant's raw position data is that the other driverless train protective system of rail segment number adds the other driverless train protective system of rail section bias internal coordinate.
This method moves the position of train in same logic district section and does not process.
Compared with prior art, the present invention can automatically switch to reserve train detection information according to interlock system report (meter axle or track circuit section take/go out state clearly) and follow the tracks of processing, and after regaining the exact location report, the CBTC that automaticallyes switch back follows the tracks of processing, automatic dispatching, adjustment and management have better been realized to train, thereby alleviate dispatcher and watch keeper's working strength, optimize the circuit operating efficiency.
Description of drawings
Fig. 1 is the scheme drawing that in the method that in the city rail traffic signal system of the present invention train position is realized dynamically following the tracks of long passive detector segments is divided into a plurality of logic district sections;
Fig. 2 is the scheme drawing that in the method that in the city rail traffic signal system of the present invention train position is realized dynamically following the tracks of the circuit bifurcation region is divided into three logic branch sections;
Fig. 3 is the scheme drawing of state variation tracking clearly that takies out that transfers to automatically in the method that in the city rail traffic signal system of the present invention train position is realized dynamically following the tracks of according to the passive detector segments of reserve;
Fig. 4 be in the method that in the city rail traffic signal system of the present invention train position is realized dynamically following the tracks of according near the tracking situation of movement of the train logic district section platform track, can judge the scheme drawing at the turnover station of train.
The specific embodiment
1, track is divided the logic district section
When using passive check implement (track circuit/meter axle), whether train position is embodied in one or more passive detector segments by train occupation, and when CBTC followed the tracks of, train position was for directly providing the absolute geographic coordinate values of the headstock and the tailstock.Be the above two kinds of train position RMs of compatibility, design is divided into a plurality of logic district sections with long passive detector segments.
As shown in Figure 1, one section passive detector segments that 1650m is long, 150m is as logic block length in definition, can be divided into 11 logic district sections.
The following rule of selection foundation of logic block length SL:
Maxim SL
Max=1.5* train length
Minimum value SL
MinDo not limit, can require and the treatment effeciency definition according to tracking accuracy.
2, track switch is divided the logic district section
For the passive detector segments that is positioned at switch area, the circuit bifurcation region can be divided into three logic branch sections.If the length of certain branch surpasses Wu Cha district track logic block length, then split out logic block again.
As shown in Figure 2, the passive detector segments of this switch area is split as 5 logic district sections.
3, initial position and logical place mapping
Driverless train protection ATP System Reports adopts following form for the train position of ITS:
[ATP BLOCK under the headstock] [headstock is with respect to the offset coordinates of ATP BLOCK left end starting point]
[ATP BLOCK under the tailstock] [parking stall is with respect to the offset coordinates of ATP BLOCK left end starting point]
And the logic district section of dividing in top 1,2 all has been defined it with respect to coordinate corresponding relation among the ATP BLOCK, adopts following form:
[ATP BLOCK under the logic district section]
[logic district section left end point is with respect to the offset coordinates of ATP BLOCK left end starting point]
[logic district section right endpoint is with respect to the offset coordinates of ATP BLOCK left end starting point]
When data of description, set the left and right sides extreme direction of logic district section and the left and right sides extreme direction of ATP BLOCK and be consistent.
According to above-mentioned configuration data, the train position of ATP report can be converted to following form:
[headstock place logic district section]
[tailstock place logic district section]
[headstock covers the logic district section tabulation that takies in the middle of the tailstock]
Thereby obtain the logical place of train.
4.CBTC the switching that the passive detector segments of tracking and reserve is followed the tracks of
When train lost the report of CBTC exact location, system can transfer the state variation tracking clearly that takies out according to the passive detector segments of reserve automatically to.
As shown in Figure 3, two adjacent passive detector segments C_1 and C_2, they respectively comprise 4 logic district sections.CBTC follows the tracks of train 12345 and loses the report of CBTC exact location at logic district section S_2_2 place, and it is motionless that this moment, train position remained on S_2_2.When passive detector segments C_1 took, system moved to train first logic district section S_1_1 of C_1 automatically, realized the tracking that train moves.
Again recover CBTC communication when train then, reported accurate position after, system calculates according to position report again and obtains the residing logic district section of train, and running number 12345 is moved to cooresponding logic district section.Such as, calculating is positioned at logic district section S_1_3 place according to CBTC report train, and then running number is re-moved S_1_3.
5, train turnover station is judged
According near the tracking situation of movement of the train logic district section platform track, the turnover station that can judge train as shown in Figure 4.
When train head when logic district section S_1 moves to logic district section S_2, can judge that train near platform, is about to enter the station.
When train head and the tailstock all are positioned at platform district logic district section S_3, and after waiting for the fixed time (2-3 second), can judge that train stops at platform.
When train head when platform logic district section S_3 moves to logic district section S_4, can judge that train is dispatched a car to leave platform.
6, CBTC follows the tracks of handling property optimization
Driverless train protective system ATP report train exact location is very frequent, will report all train positions completely per 1 second, when train quantity is a lot, can form mass data, increases the processing load of ITS, reduces the responding ability of ITS.
After the exact location of train is converted to taking of logic district section, can use corresponding data filter and performance optimization measure: if the logic district section that the report of a new train exact location takies is consistent with the logic district section that last position report takies, then this report data can be skipped and not handle.
With train movement speed 60km/h, logic district segment length 150m is an example, and train is 9 seconds by the time of 150m away minor segment.According to above-mentioned optimization logic, ITS just needed to handle a train tracking and moves every 9 seconds, and by original data, just needed train of processing to follow the tracks of every 1 second and move.Handle load like this and can decline to a great extent 88%.
Claims (3)
1. in the city rail traffic signal system train position is realized the dynamically method of tracking, it is characterized in that this method comprises:
(1) track is divided track logic district section: the length of track logic district section is defined as lower limit according to Position Tracking display precision requirements definition, and the upper limit defines according to the train vehicle commander;
(2) track switch logic block definition: track switch is defined as three track switch logic branch away minor segment;
(3) mapping of raw position data and logical place data coordinates and conversion: the train raw position data is scaled the train covering takies one or more track logic district sections and track switch logic branch away minor segment;
(4) train is followed the tracks of with train reserve check implement based on the train automatic guidance of communication and followed the tracks of automatic switchover: definition reserve detects the relation that big section comprises track logic district section, and in view of the above lose based on communication train automatic guidance position report the time, change the track logic district section that running train takies according to reserve detector segments seizure condition, realize following the tracks of;
What (5) position-based was followed the tracks of judges near platform/the arrive at a station platform that stops/leave: judge train near platform according to the variation of train occupation track logic district section, arrive at a station and stop or leave platform.
2. in the city rail traffic signal system according to claim 1 train position is realized the dynamically method of tracking, it is characterized in that described train raw position data is that the other driverless train protective system of rail segment number adds the other driverless train protective system of rail section bias internal coordinate.
3. in the city rail traffic signal system according to claim 1 train position is realized the dynamically method of tracking, it is characterized in that this method moves the position of train in same track logic district section and do not process.
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| CN101590865B (en) * | 2009-04-15 | 2011-10-26 | 卡斯柯信号有限公司 | Method for displaying transport facility and running position thereof |
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| CN102935853B (en) * | 2012-08-29 | 2015-02-25 | 南京恩瑞特实业有限公司 | Tracking method of self-adaptive trains in complicated turnout state |
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| CN104149817B (en) * | 2014-07-14 | 2016-06-22 | 浙江众合科技股份有限公司 | A kind of track circuit meter shaft detection train tracing method |
| CN104260761B (en) * | 2014-08-20 | 2016-01-20 | 北京交控科技有限公司 | A kind of track tracking |
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| CN108569314B (en) * | 2018-03-23 | 2020-03-24 | 武汉理工大学 | Railway track circuit and turnout monitoring system based on configuration technology |
| CN108657235B (en) * | 2018-04-27 | 2020-04-21 | 北京全路通信信号研究设计院集团有限公司 | MATC system urban rail turnout section state detection method |
| CN110525484B (en) * | 2019-08-23 | 2021-10-22 | 中国铁道科学研究院集团有限公司通信信号研究所 | BDS and STP-based distance calculation implementation method for key points of shunting operation in station track |
| CN110920678B (en) * | 2019-10-31 | 2021-11-12 | 交控科技股份有限公司 | High-speed non-communication train tracking method, system and area controller |
| CN110795868B (en) * | 2019-11-19 | 2020-12-01 | 通号城市轨道交通技术有限公司 | Train operation simulation data processing method and device based on urban rail transit |
| CN112429039B (en) * | 2020-11-06 | 2022-12-02 | 卡斯柯信号有限公司 | Track section dividing method |
| CN112572537A (en) * | 2020-12-30 | 2021-03-30 | 卡斯柯信号有限公司 | Train-ground cooperative train operation control system and method |
| CN113104062B (en) * | 2021-05-24 | 2022-07-05 | 卡斯柯信号有限公司 | Interlocking system control method |
| CN114590289A (en) * | 2022-03-16 | 2022-06-07 | 天津津航计算技术研究所 | Protection method for protection section of turnout zone |
| CN115285182B (en) * | 2022-10-08 | 2023-02-17 | 卡斯柯信号(北京)有限公司 | Method and device for calculating trigger section of train protection section |
| CN116142263A (en) * | 2023-01-09 | 2023-05-23 | 广州新科佳都科技有限公司 | Train arrival and departure information generation method, device and equipment and storage medium |
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