CN104002837A - RFID-based automatic time recording and positioning system for rail transit train - Google Patents
RFID-based automatic time recording and positioning system for rail transit train Download PDFInfo
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- CN104002837A CN104002837A CN201410258208.3A CN201410258208A CN104002837A CN 104002837 A CN104002837 A CN 104002837A CN 201410258208 A CN201410258208 A CN 201410258208A CN 104002837 A CN104002837 A CN 104002837A
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Abstract
The invention relates to a RFID-based automatic time recording and positioning system for a rail transit train. The RFID-based automatic time recording and positioning system comprises an RFID receiving device A and an RFID receiving device B, RFID electronic tags and a serer, wherein the RFID receiving device A and the RFID receiving device B are located at the two ends of a platform, the RFID electronic tags are located at a train head and a train tail respectively. When the train head enters the station, the RFID receiving device A receives information sent by the RFID electronic tag at the train head firstly; when the train stops after entering the station, the RFID receiving device A and the RFID receiving device B receive singles sent by the RFID electronic tags at the train head and the train tail respectively at the same time; when the train leaves the station, the RFID receiving device B can receive information sent by the RFID electronic tag at the train tail; the server judges the position of the train according to the received data. Compared with the prior art, the RFID-based automatic time recording and positioning system for the rail transit train has the advantages of not only greatly reducing working intensity of daily time recording for a rail transit watchman, but also positioning the section or station train quickly and precisely under the condition of breakdown of an automatic block signal system and the like.
Description
Technical field
The present invention relates to a kind of rail transit train note point and position fixing system, especially relate to a kind of rail transit train based on RFID and automatically remember a little and position fixing system.
Background technology
In the time that the urban track traffic automatic block signal system failure lost efficacy, Train Dispatching person must locate the online train on faulty line or section fast and accurately by artificial means, and it is the prerequisite of implementing telephone blocking method driving work under signal automatic blocking paralysis condition.Under automatic block signal thrashing condition, the Accuracy and high efficiency of Train Dispatching person to the artificial location of online train, directly has influence on the traffic safety of follow-up telephone blocking method and the efficiency of urban track traffic emergency treatment.On September 27th, 2011, Shanghai Underground No. 10 line generation automatic block signal systemic breakdown event, it is the immediate cause that train from overtaking collision accident occurs that Train Dispatching person is forbidden online train location.Therefore,, for guaranteeing the traffic safety under automatic block signal thrashing condition and shortening as much as possible the fault delay time, be necessary to carry out the work of urban railway transit train note point.
Urban railway transit train note point (be hereinafter called for short " note point ") refer to that station driving watch keeper reaches time, our station time of departure and station, front station, rear time of departure, the our station of the up-downgoing train by station and registers on daily record of work the time of advent.Wherein, station, rear time of departure and station, the front watch keeper that need to drive a vehicle the time of advent could register this two times after contacting by the driving watch keeper at phone and station, front and back.When under automatic block signal system burst fault disabler condition, station driving watch keeper's note point daily record data can provide failure-free foundation for Train Dispatching person's online train locational decision.
At present, domestic each urban track traffic operator has all been carried out train note point and corresponding train location work, but generally all adopts artificial means.There is the shortcomings such as data volume is large, work multiplicity is high, action is single in artificial note, easily causes note point staff's fatigue and note point work efficiency low.According to statistics, one day driving watch keeper train arrival & leaving information data that need to record reaches nearly thousand.And the accuracy of artificial location is except being subject to directly the affecting of the quantity of credit certificate and accuracy thereof, be also subject to the remote effect of the aspect disturbing factors such as various artificial and external environment conditions.
From the above analysis, current pure artificial note point and corresponding station-keeping mode have been difficult to meet automatic block signal system because of the demand to the high operation security of track traffic, high emergency treatment efficiency under catastrophic failure disabler condition.
Summary of the invention
Object of the present invention is exactly to provide a kind of rail transit train based on RFID automatically to remember a little and localization method in order to overcome the defect that above-mentioned prior art exists, can greatly reduce the working strength of the daily note point of track traffic driving watch keeper, and improve accuracy and the efficiency that automatic block signal thrashing condition down train dispatcher carries out train location work on line.
Object of the present invention can be achieved through the following technical solutions:
A kind of rail transit train based on RFID is remembered a little and position fixing system automatically, it is characterized in that, comprise and being positioned in the RFID at platform two ends receptor A and B, in the RFID of train head and tailstock electronic tag and server, described server is connected with RFID receptor A and B respectively, and described RFID receptor A and B communicate to connect with RFID electronic tag separately respectively;
In the time that train head just enters station, first RFID receptor A can receive and be positioned at the information that the RFID electronic tag of headstock sends out, send home signal and running number to server simultaneously;
In the time of train inlet parking, RFID receptor A and B receive the signal of the electronic tag that lays respectively at headstock and the tailstock simultaneously, send and stop signal to server simultaneously;
In the time that train is leaving from station, RFID receptor B can receive the information that tailstock electronic tag sends that is positioned at, and sends actuation signal and signal leaving from station to server simultaneously;
Server deadline record and data storage are judged train position according to the data that receive simultaneously.
Also comprise the infradred sensor of installing on RFID receptor A and B position respectively, installation site is that the vertical direction of RFID receptor is near a side in Gui Hang district; Stop when station when train, the infradred sensor that is positioned at the headstock tailstock detects subway train simultaneously, train is stopped stopping and carry out timing; When train starts to start, and RFID receptor A still can receive the information of electronic tag, but the infrared pickoff of A end can't detect in the situation of train, and the timing signal that will stop stopping sends to server.
Described server is judged and is specially train position according to the data that receive:
(1) the normal inbound case of train, table 1 is each receptor in this situation, sensor and train position relation
Table 1
(2) train does not stop by situation, and in this case, in the subordinate phase of table 1, the infrared pickoff at 1FID receptor A and B two ends detects the time t≤t of train simultaneously
1,
(3) Train Stopping is crossed the situation that stops after limit inverted running, and table 2 is each receptor in this situation, sensor and train position relation
Table 2
(4) on the line based on credit certificate, train position is judged, be specifically shown in Table 3,
Table 3
Described server comprises the platform control terminal, station server terminal and the station display terminal that connect successively, and described platform control terminal is connected with RFID receptor, infradred sensor respectively.
Compared with prior art, the present invention has the following advantages:
(1), the train based on RFID is remembered a little and position fixing system not only can reduce track traffic driving watch keeper's daily note point working strength greatly automatically, and under automatic block signal systemic breakdown condition, can position interval or station train quickly and accurately, make train location work accuracy and high efficiency on the line in train note point and signal automatic blocking paralysis situation;
(2), in the design of system logic and physical structure, assisted with infrared pickoff, improved the positioning precision of train in platform region; Automatically locate at train, consider train dwelling, miss the stop and three kinds of train operation situations proposition train operation states of regression and position decision method, improved the practicality of method.
(3), Adoption Network SQL database, without installation, computer is linked server and can be used, and has improved the convenience of system in future application; Train note point and position fixing system are totally independent of other system, can not be subject to interference and the restriction of other system, have improved the reliability of system in future application.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of server of the present invention;
Fig. 3 is workflow diagram of the present invention;
Fig. 4 is the headstock of train of the present invention schematic diagram while just having entered station;
Schematic diagram when Fig. 5 is train inlet parking of the present invention;
Infradred sensor work schematic diagram when Fig. 6 is train stop of the present invention station;
Fig. 7 is train of the present invention schematic diagram time leaving from station;
Fig. 8 is that the train position that the present invention is based on credit certificate is judged schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, be final terminal required for the present invention and laying framework thereof, the headstock of train and the tailstock are all provided with RFID electronic tag 2, have recorded the relevant informations such as vehicle train number in electronic tag 2.What electronic tag was selected is RFID active electronic label, during operation constantly outside emitting radio frequency signal of active electronic label.The built-in PCB antenna of this active electronic label, working frequency range is 2.4GHz, modulation system is GFSK, 70～90 meters of visual ranges of transmission distance, operating voltage is 1.9～3.6V, inside comprises NRF24LE1 module that can secondary development.The both sides (being the position that corresponding train head, the tailstock are installed RFID active electronic label) of the up-downgoing of platform are all provided with RFID receptor 1 and other aiding sensors.The operating voltage of the RFID receptor of more than selecting is 12VDC, electric current≤100mA, communication interface is Wiegand26/34/36/44bit, RS232, RS485, operating temperature :-40 DEG C～+ 85 DEG C (industrial grade), antenna frequencies scope: 2.400-2.480GHz.Be positioned at the position that car receptor is corresponding, install infrared ray aiding sensors additional near a side in Gui Hang district, the distance of two installation of sensors should be slightly smaller than the length of train, in the time that train is stopped platform, obstacle can be detected simultaneously.
The physics framework of server 3 as shown in Figure 2, RFID receptor is connected on platform control terminal 31, platform control terminal 31 is an ECU electronic control unit that adopts STM32F0 chip, platform control terminal 31 has connected RFID receptor and station server terminal 32, described station server terminal 32 connects station display terminal, this station display terminal is a computer that is positioned at car control chamber, and is connected with printing device 34.
System information transmissions flow process is as Fig. 3.Train head enters the station, stops, startup and the tailstock sends respectively home signal time leaving from station, the signal that stops, actuation signal and signal leaving from station be to server, is recorded and data are stored by the server deadline.
As Fig. 4, now the headstock of train has just entered station, and first RFID receptor A can receive the information that headstock electronic tag sends out that is positioned at; As Fig. 5, now train inlet parking, RFID receptor A, B can receive the signal of the electronic tag that lays respectively at headstock and the tailstock simultaneously so; In the time that train is leaving from station, RFID receptor B can receive the information that tailstock electronic tag sends that is positioned at.Only rely on RFID receptor can not judge exactly the situation that stops and the dwell time of train by judging whether to receive the signal of electronic tag, therefore except RFID receptor, still need that other sensors are installed and assist to determine the situation that stops of train.Its scheme is: RFID receptor A, B two positions fixed at upper figure install two cover infrared pickoffs additional.
As Fig. 6, a side installation infrared sensor (position that is positioned at the corresponding RFID receptor of tailstock A needs to install equally) in the vertical direction of RFID receptor B near Gui Hang district, in the time that train is stopped station, the infradred sensor that is positioned at the headstock tailstock detects obstacle (subway train) simultaneously.As Fig. 7, in the time that train is leaving from station, receptor B receives the electronic tag signal that is positioned at the tailstock.
As Fig. 4 in the situation that, train home signal and running number are sent to server by control convenience; In Fig. 5 situation, the control convenience signal that will stop sends to server, starts the timing of stopping; When train starts to start, and the RFID receptor of A end still can receive the information of electronic tag, but the infrared pickoff of A end can't detect in the situation of train, and the control convenience timing signal that will stop stopping sends to server; Fig. 7 situation train is leaving from station, and signal leaving from station is sent to server by control convenience.
In train in/out station process, the equipment control logic flow process of note dot system is shown in accompanying drawing 8 automatically under normal circumstances.
(1) the normal inbound case of train, table 1 is each receptor in this situation, sensor and train position relation
Table 1
(2) train does not stop by situation, and in this case, in the subordinate phase of table 1, the infrared pickoff at RFID receptor A and B two ends detects the time t≤t of train simultaneously
1,
(3) Train Stopping is crossed the situation that stops after limit inverted running, and table 2 is each receptor in this situation, sensor and train position relation
Table 2
(4) on the line based on credit certificate, train position is judged, specifically in shown in table 3 and Fig. 8,
Table 3
Claims (4)
1. the rail transit train based on RFID is remembered a little and position fixing system automatically, it is characterized in that, comprise and being positioned in the RFID at platform two ends receptor A and B, in the RFID of train head and tailstock electronic tag and server, described server is connected with RFID receptor A and B respectively, and described RFID receptor A and B communicate to connect with RFID electronic tag separately respectively;
In the time that train head just enters station, first RFID receptor A can receive and be positioned at the information that the RFID electronic tag of headstock sends out, send home signal and running number to server simultaneously;
In the time of train inlet parking, RFID receptor A and B receive the signal of the electronic tag that lays respectively at headstock and the tailstock simultaneously, send and stop signal to server simultaneously;
In the time that train is leaving from station, RFID receptor B can receive the information that tailstock electronic tag sends that is positioned at, and sends actuation signal and signal leaving from station to server simultaneously;
Server deadline record and data storage are judged train position according to the data that receive simultaneously.
2. a kind of rail transit train based on RFID according to claim 1 is remembered a little and position fixing system automatically, it is characterized in that, also comprise the infradred sensor of installing on RFID receptor A and B position respectively, installation site is that the vertical direction of RFID receptor is near a side in Gui Hang district; Stop when station when train, the infradred sensor that is positioned at the headstock tailstock detects subway train simultaneously, train is stopped stopping and carry out timing; When train starts to start, and RFID receptor A still can receive the information of electronic tag, but the infrared pickoff of A end can't detect in the situation of train, and the timing signal that will stop stopping sends to server.
3. a kind of rail transit train based on RFID according to claim 2 is remembered a little and position fixing system automatically, it is characterized in that, described server is judged and is specially train position according to the data that receive:
(1) the normal inbound case of train, table 1 is each receptor in this situation, sensor and train position relation
Table 1
(2) train does not stop by situation, and in this case, in the subordinate phase of table 1, the infrared pickoff at RFID receptor A and B two ends detects the time t≤t of train simultaneously
1,
(3) Train Stopping is crossed the situation that stops after limit inverted running, and table 2 is each receptor in this situation, sensor and train position relation
Table 2
(4) on the line based on credit certificate, train position is judged, be specifically shown in Table 3,
Table 3
4. a kind of rail transit train based on RFID according to claim 2 is remembered a little and position fixing system automatically, it is characterized in that, described server comprises the platform control terminal, station server terminal and the station display terminal that connect successively, and described platform control terminal is connected with RFID receptor, infradred sensor respectively.
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| CN201410258208.3A CN104002837B (en) | 2014-06-11 | 2014-06-11 | Rail transit train automatic point recording and positioning system based on RFID |
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| CN201410258208.3A CN104002837B (en) | 2014-06-11 | 2014-06-11 | Rail transit train automatic point recording and positioning system based on RFID |
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Cited By (19)
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| CN105790864A (en) * | 2014-12-26 | 2016-07-20 | 上海工程技术大学 | MAC (Media Access Control) address testing method for MR (Mobile Radio) in subway train running environment |
| CN105923023A (en) * | 2016-05-24 | 2016-09-07 | 桂林市思奇通信设备有限公司 | Railway crossing safety system |
| CN106627674A (en) * | 2016-11-21 | 2017-05-10 | 河南辉煌城轨科技有限公司 | Urban rail transit grouping operating and identifying method |
| CN106910369A (en) * | 2017-04-20 | 2017-06-30 | 江苏本能科技有限公司 | Roadside parking management method and system |
| CN107215358A (en) * | 2017-06-16 | 2017-09-29 | 中车株洲电力机车有限公司 | A kind of track traffic is entered the station identifying system |
| CN107953904A (en) * | 2017-11-21 | 2018-04-24 | 中车长江车辆有限公司 | A kind of vehicle parking control method and station level control system |
| CN108235231A (en) * | 2016-12-19 | 2018-06-29 | 广东新岸线计算机系统芯片有限公司 | Train direction of travel method of discrimination and device in rail traffic |
| CN108318128A (en) * | 2018-01-26 | 2018-07-24 | 山东大学 | The signal induction device and method of the vertical Z vibration levels monitoring of above ground structure when subway circulation |
| CN108819988A (en) * | 2018-06-19 | 2018-11-16 | 苏州富欣智能交通控制有限公司 | A kind of tramcar initial location system and implementation method |
| CN108877275A (en) * | 2018-06-29 | 2018-11-23 | 长沙润伟机电科技有限责任公司 | A kind of train arrives at a station detection system and its train |
| CN109278810A (en) * | 2018-10-26 | 2019-01-29 | 厦门路桥信息股份有限公司 | Rail traffic vehicle scheduling auxiliary system |
| CN109383562A (en) * | 2017-08-04 | 2019-02-26 | 比亚迪股份有限公司 | Positioning system, method, car-mounted device and the train of train |
| CN109677459A (en) * | 2018-11-12 | 2019-04-26 | 浙江众合科技股份有限公司 | A kind of unmanned Train regression safety protecting method |
| CN110346295A (en) * | 2019-07-15 | 2019-10-18 | 北京神州同正科技有限公司 | Defect combined positioning method and device, equipment and storage medium |
| CN110356435A (en) * | 2019-06-12 | 2019-10-22 | 北京全路通信信号研究设计院集团有限公司 | A kind of train automated driving system based on electronic beacon |
| CN110466535A (en) * | 2019-08-30 | 2019-11-19 | 中车株洲电力机车研究所有限公司 | A kind of system and method for intelligence rail Train door and station platform safety door linkage |
| CN112614378A (en) * | 2020-12-11 | 2021-04-06 | 中车唐山机车车辆有限公司 | Parking control method, device and system for vehicle |
| CN113085624A (en) * | 2021-04-02 | 2021-07-09 | 中车青岛四方机车车辆股份有限公司 | Tramcar charging method and system |
| CN113665635A (en) * | 2021-08-21 | 2021-11-19 | 国网湖北省电力有限公司电力科学研究院 | Track traffic train operation position inversion method |
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| CN105790864B (en) * | 2014-12-26 | 2018-11-20 | 上海工程技术大学 | The MAC Address test method of MR under subway train running environment |
| CN105790864A (en) * | 2014-12-26 | 2016-07-20 | 上海工程技术大学 | MAC (Media Access Control) address testing method for MR (Mobile Radio) in subway train running environment |
| CN105923023A (en) * | 2016-05-24 | 2016-09-07 | 桂林市思奇通信设备有限公司 | Railway crossing safety system |
| CN106627674A (en) * | 2016-11-21 | 2017-05-10 | 河南辉煌城轨科技有限公司 | Urban rail transit grouping operating and identifying method |
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| CN108318128A (en) * | 2018-01-26 | 2018-07-24 | 山东大学 | The signal induction device and method of the vertical Z vibration levels monitoring of above ground structure when subway circulation |
| CN108819988A (en) * | 2018-06-19 | 2018-11-16 | 苏州富欣智能交通控制有限公司 | A kind of tramcar initial location system and implementation method |
| CN108877275A (en) * | 2018-06-29 | 2018-11-23 | 长沙润伟机电科技有限责任公司 | A kind of train arrives at a station detection system and its train |
| CN109278810A (en) * | 2018-10-26 | 2019-01-29 | 厦门路桥信息股份有限公司 | Rail traffic vehicle scheduling auxiliary system |
| CN109677459A (en) * | 2018-11-12 | 2019-04-26 | 浙江众合科技股份有限公司 | A kind of unmanned Train regression safety protecting method |
| CN110356435A (en) * | 2019-06-12 | 2019-10-22 | 北京全路通信信号研究设计院集团有限公司 | A kind of train automated driving system based on electronic beacon |
| CN110346295A (en) * | 2019-07-15 | 2019-10-18 | 北京神州同正科技有限公司 | Defect combined positioning method and device, equipment and storage medium |
| CN110466535A (en) * | 2019-08-30 | 2019-11-19 | 中车株洲电力机车研究所有限公司 | A kind of system and method for intelligence rail Train door and station platform safety door linkage |
| CN110466535B (en) * | 2019-08-30 | 2021-01-22 | 中车株洲电力机车研究所有限公司 | System and method for linkage of intelligent rail train door and platform safety door |
| CN112614378A (en) * | 2020-12-11 | 2021-04-06 | 中车唐山机车车辆有限公司 | Parking control method, device and system for vehicle |
| CN112614378B (en) * | 2020-12-11 | 2022-08-30 | 中车唐山机车车辆有限公司 | Parking control method, device and system for vehicle |
| CN113085624A (en) * | 2021-04-02 | 2021-07-09 | 中车青岛四方机车车辆股份有限公司 | Tramcar charging method and system |
| CN113665635A (en) * | 2021-08-21 | 2021-11-19 | 国网湖北省电力有限公司电力科学研究院 | Track traffic train operation position inversion method |
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