CN1775606A - Wireless locomotive signal dual-engine warm standby control method - Google Patents
Wireless locomotive signal dual-engine warm standby control method Download PDFInfo
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Abstract
The invention discloses a wireless locomotive signal double-machine thermal backup control method, used in a wireless locomotive signal system, using two identical- structured control machines in wireless locomotive signal ground control equipment, where one control machine acts as master control machine to execute control task and the other one acts as backup control machine in power-on thermal backup state. As the master control machine fails, the thermal backup control machine is immediately substituted for it in an automatic switching mode to execute the control task and at this moment, the thermal backup control machine turns into a master control machine. Thus, double-machine thermal backup control can largely reduce the failure rate of a wireless locomotive signal system and assure the safety and reliability of railway transportation.
Description
Technical field:
The present invention relates to a kind of control method, particularly a kind of wireless locomotive signal dual-engine warm standby control method belongs to the railway signal technology field.
Background technology:
At present, in the China Railway system, the train operation control convenience, no matter be onboard control device or station ground control equipment, for redundant measure is adopted in reliability, availability, maintainability and the safety (being the RAMS performance) that guarantee equipment mostly, as: 3 get 2,2 get 2, two-node cluster hot backup, cold standby etc.Radio locomotive signal adopts wireless mode alternate track circuit mode transmission of signal information.In transmission signals quality, quantity of information and can carry out signal and return more existing cab signal such as the many-side of showing affirmation and have very big advantage, meet following railway signal developing direction.At structure, Data Source, mode and the transmission over radio feature of radio locomotive signal, invented a kind of wireless locomotive signal dual-engine warm standby control method, be intended to improve the RAMS performance of radio locomotive signal.Solve in the train travelling process, the uninterrupted problem of signal control equipment work, when promptly an equipment broke down, another stand-by facility replaced it immediately and works on.
Summary of the invention:
The objective of the invention is to demand, a kind of wireless locomotive signal dual-engine warm standby control method that possesses independent intellectual property right is provided at safety first in the deficiencies in the prior art and the rail transportation system.This method is safe and reliable for guaranteeing railway operation, promptly in the ground control equipment of radio locomotive signal station, uses two same controlling machines simultaneously, wherein work, and another back that powers on is standby.In case the controlling machine of working breaks down, another hot reserve machine replaces it immediately by the switching of two-shipper switch controller and normally works on.So just, can greatly reduce the probability of wireless cab signal system mis-use breakdown.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of wireless locomotive signal dual-engine warm standby control method is used for wireless cab signal system, and this system comprises that station ground control equipment and at least one chassis carry control convenience.It is characterized in that: the control convenience that uses in the described wireless locomotive signal dual-engine warm standby control method, belong to the station ground control equipment, it comprises that upper managing computer, controlling machine A, controlling machine B, two-shipper switch controller, interlocking machine interface circuit, two data radio stations and antenna form.
Described upper managing computer is made up of Industrial PC Computer, monitoring device, keyboard and mouse, and it is connected with controlling machine B with controlling machine A by the two-shipper switch controller;
Be provided with control desk, power supply and connection terminal in the described two-shipper switch controller machine, comprise control switching circuit, buffer circuit, relay circuit and power on and rob the power circuit, two-shipper switch controller input end is connected with upper managing computer, station interlocking main frame, data radio station antennal interface; Two-shipper switch controller mouth is connected with controlling machine B communication board, data radio station antenna with controlling machine A communication board;
Described control machine A and controlling machine B form identical, and they are made up of controlling machine mainboard, electric board, communication board, I/O interface board, control panel, system power supply, data radio station and heartbeat line respectively; Be connected by the heartbeat line between described controlling machine A and the controlling machine B.
Described electric board, communication board and I/O interface board connect the controlling machine mainboard, and described controlling machine mainboard connects the controlling machine panel through described I/O interface board, and described data radio station connects communication board through RS-232 interface, connects described antenna through the two-shipper switch controller.
Wireless locomotive signal dual-engine warm standby control method of the present invention, it is characterized in that: described two-node cluster hot backup control method is the handover mechanism mode that controlling machine A and controlling machine B adopt the control competition, be after controlling machine A and controlling machine B power on simultaneously, carry out control and rob power by robbing the power circuit, what obtain control carries out control task for main control computer, and losing power person is the hot reserve machine; Non-when powering on simultaneously, the person of powering on is a main control computer, after the person of powering on be reserve machine, this moment, shifter was swung to main control computer one side automatically, connected interlock circuit; Thermotropism reserve machine despatching station field data during main control computer work, train data and heartbeat frame, the hot reserve machine fails to receive the heartbeat message of main control computer at the appointed time, then (1) is if controlling machine A this moment is a main control computer, the hot reserve machine is that controlling machine B starts shifter, utilize dynamic control circuit driving R/G to connect each passage and link to each other with the hot reserve machine, controlling machine B becomes main control computer by the hot reserve machine and executes the task; (2) if controlling machine B this moment is a main control computer, commutation circuit repeat circuit dead electricity, according to the relay characteristic that automatically resets, connecting each passage is that controlling machine A links to each other with the hot reserve machine, controlling machine A becomes main control computer execution control task by the hot reserve machine.
Wireless locomotive signal dual-engine warm standby control method of the present invention is the control method of the independent exploitation of applicant, and it not only has radio communication function, also has powerful controllable function concurrently.Its adopts two-node cluster hot backup mode, when the main control computer that is moving changes and flies, communicates by letter locked or reason such as aerial lug disconnection owing to hardware fault, program, regards as the controlling machine fault, carries out immediately and automaticallyes switch, and another main frame replaces its work.When needing to be serviced or switch inspection, switch manually, so just can greatly reduce the probability of wireless cab signal system mis-use breakdown, guarantee the safe and reliable of whole wireless cab signal system operation.
Description of drawings:
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is controlling machine communication process scheme drawing before and after switching;
Fig. 2 is a radio locomotive signal ground control equipment two-node cluster hot backup structural representation;
Fig. 3 is a radio locomotive signal ground control equipment two-node cluster hot backup internal circuit schematic diagram;
Fig. 4 is a radio locomotive signal Ground Control cabinet scheme drawing.
The specific embodiment:
Shown in Fig. 2,3, wireless locomotive signal dual-engine warm standby control of the present invention is made of identical two groups of A, B, and the control convenience of independent operating constitutes separately, is labeled as A and B respectively in the drawings.In use, one group of equipment normally moves, and another group equipment then powers on, and is in the state of standing ready.
Two groups of shared two-shipper switch controllers of control convenience are provided with control desk in machine closes, connection terminal.Comprise control switching circuit, buffer circuit, relay circuit, power on and rob the power circuit.It is connected with upper managing computer, and upper managing computer is an industrial controlling PC computing machine.The two-shipper switch controller also has the microcomputer interlocking interface, to be connected with the station interlocking main frame.8 serial communication plates are the EMM-8M-XT communication board, and it connects the controlling machine mainboard, and the controlling machine mainboard has hard-disk interface and connects the DOC2000 electric board for containing rich SCM/Super Dxni on it.The controlling machine mainboard meets control panel KZ001 through I/O interface board GMM-48.Communication board meets data radio station MDS4710C through RS-232 interface, and data radio station connects radio station antenna TQJ-450K omnidirectional antenna.Communication board A is connected with two-shipper switch controller and data radio station by RS-232 interface with communication board B; Above-mentioned various circuit cards are all moulding general-duty commodity circuit card, do not elaborate at this.
As shown in Figure 4, the ground control equipment of this discovery wireless locomotive signal dual-engine warm standby control is installed in the sealing cabinet.The front of cabinet is monitor from top to bottom successively, controlling machine A, controlling machine B, keyboard and upper managing computer.
Wireless locomotive signal dual-engine warm standby of the present invention station ground control equipment is that all trains in the our station range of control are carried out registration, nullified management; Set up the corresponding relation of train and route; Receive interlocking and train information in real time, generate control command according to interlocking condition and train operation position; Control command is sent on the train commander's safe train operation by wireless mode.
Upper managing computer is dynamic surveillance station track and train occupation, monitors that train signal shows in the administration; Record cab signal operating data, data query and playback; The man-machine interactive operation boundary line is provided, to go offline, unusual train such as fault manually keys in.
The effect of wireless locomotive signal dual-engine warm standby controlling machine of the present invention is:
(1) data acquisition and storage, the data of collection comprise: interlocking data, train data and supervisor control command.
(2) Train Management and control command generate, and to registering near train, train departure are nullified; Set up the corresponding relation of train and route; Generate control command according to interlocking condition and train operation position.
(3) send to train on by wireless mode control command and receive train and return and show information, the integraty of confirmation and correctness.
(4) information interaction of realization and upper managing computer, mobile unit and hot reserve machine receives lock file.
(5) panel control and demonstration, manual switchover button, reset button and source switch are set on the panel, be provided with engine number and charactron is represented in the station track, transceiver communication indicator lamp, up-downgoing, turnover station, work and warning indicator lamp, cab signal send signal lamp and return and show signal lamp.
(6) two-shipper switching controls.
The basic function of wireless locomotive signal dual-engine warm standby of the present invention is: automatically switch when realizing manual switchover and fault; Controlling machine A and controlling machine B circuit, be connected and installation aspect relatively independent, wherein a fault machine can take out from rack and overhaul, and does not influence host work; In handoff procedure, can guarantee to stand field data and train data are not lost; Controlling machine A after controlling machine B powers on, can carry out control desk and rob power; After switching is finished, can guarantee main frame and interlocking, mobile unit, upper managing computer proper communication; After switching is finished, can guarantee that main frame can not cause the signal upgrading to show because of the data shortage.
The handover mechanism of wireless locomotive signal dual-engine warm standby of the present invention is:
1, switching condition: when the main frame that is moving or standby host owing to hardware fault, program change fly, communicate by letter locked, Radio Link interrupts or reason such as aerial lug disconnection, regards as the controlling machine fault, carry out and automatically switch; When needing to be serviced or switching inspection, can switch manually.
2, the information interaction in the handoff procedure as shown in Figure 1, is controlling machine A work before the switching, and controlling machine B is standby.Interlock to controlling machine A (unidirectional): lock file comprises that up-downgoing turnover station signal, orbit occupancy, track switch decide information such as antiposition, route, guiding.Between controlling machine A and the train-installed equipment (two-way): controlling machine A sends to cab signal, route information and control command etc. on the train; Mobile unit returns locomotive to information such as showing signal, train position, responser numbering, engine number and kilometer post and returns to controlling machine A.Between controlling machine A and the upper managing computer (two-way): the field data of standing, train data and control command.Controlling machine A is to controlling machine B (unidirectional): the field data of standing, train data and heartbeat frame.
Be controlling machine B work after the switching, controlling machine A is standby.Interlock to controlling machine B (unidirectional): lock file comprises that up-downgoing turnover station signal, orbit occupancy, track switch decide information such as antiposition, route, guiding.Between controlling machine B and the train-installed equipment (two-way): controlling machine B sends to cab signal, route information and control command etc. on the train; Mobile unit returns cab signal to information such as showing signal, train position, responser numbering, engine number and kilometer post and returns to controlling machine B.Between controlling machine B and the upper managing computer (two-way): the field data of standing, train data and control command.Controlling machine B is to controlling machine A (unidirectional): the field data of standing, train data and heartbeat frame.
3, handoff procedure: after controlling machine A and controlling machine B power on simultaneously, obtain control person by the competition power of robbing and be main control computer, the person is a reserve machine in addition; Non-when powering on simultaneously, the person that do not power on earlier is a main control computer, after the person of powering on be reserve machine.This moment, shifter was swung to main frame one side automatically, connected interlock circuit.Reserve machine dead electricity, fault or need repairing when taking out from rack do not influence host work.In main control computer when work, is to reserve machine despatching station field data, train data and heartbeat frame, reserve machine fails to receive the heartbeat message of main control computer at the appointed time, then (1) is if controlling machine A this moment is a main control computer, reserve machine is that controlling machine B starts switching controls, utilize dynamic control circuit driving R/G to connect each passage and link to each other with reserve machine, controlling machine B becomes main control computer by reserve machine and carries out control task; (2) if controlling machine B this moment is a main control computer, commutation circuit repeat circuit dead electricity, according to the relay characteristic that automatically resets, connecting each passage is that controlling machine A links to each other with reserve machine, controlling machine A becomes main control computer execution control task by reserve machine.
4, switching characteristic:
(1) integraty: the integraty of every frame data, from receiving the information frame head, the integraty of byte number and verification and definite frame data.Train data such as the train quantity of main frame in will administering, signal content, station track, place, route during switching, and station field data and standby host join, reserve machine obtains taking over the complete primary data of control.Controlling machine is in a control week, and lock file, train position and signal information must be the data after the real-time update, guarantees the accuracy of the complete and computing of data.
(2) reliability: the radio locomotive signal based on data radio station has four road serial-ports, the radio locomotive signal of basic GSM-R network according to train what, have eight road serial-ports at least.In order to guarantee to transmit real-time, each passage all adopts interrupt mode and wayside equipment controlling machine to communicate.When wherein stopping up, can not influence control to other trains with communicating by letter of rows of cars.The radio locomotive signal ground installation adopts address code, timestamp, the three-dimensional control technology of number of registration to guarantee the reliability of transmission over radio.
(3) ageing: radio locomotive signal Ground Control cabinet adopts self-discipline poll optimal control method based on the state of the order and the incident of composition of matter, incident.Timestamp is set in different event, and exceeding schedule time is considered to lose efficacy.The lock file of current state can not or be that the train information of preceding state can not generate cab signal with the lock file of previous state with the train information of previous state.
(4) stability: state is unique before and after switching, and commutation circuit is reliable and stable.
5, control competition: after controlling machine A and controlling machine B power on simultaneously, carry out control and rob power by robbing the power circuit, what obtain control is main control computer execution control task, and mistake power person is the hot reserve machine.
Claims (3)
1, a kind of wireless locomotive signal dual-engine warm standby control method is used for wireless cab signal system, and this system comprises station ground control equipment and at least one mobile unit.It is characterized in that: the control convenience in the described wireless locomotive signal dual-engine warm standby control method, belong to the station ground control equipment, it comprises upper managing computer, controlling machine A, controlling machine B, two-shipper switch controller, interlocking machine interface circuit, two data radio stations and antenna;
Described upper managing computer is made up of Industrial PC Computer, monitoring device, keyboard and mouse, and it is connected with controlling machine B with controlling machine A by the two-shipper switch controller;
Be provided with control desk, power supply and connection terminal in the described two-shipper switch controller machine, comprise control switching circuit, buffer circuit, relay circuit and power on and rob the power circuit, two-shipper switch controller input end is connected with upper managing computer, station interlocking main frame, data radio station antennal interface; Two-shipper switch controller mouth is connected with controlling machine B communication board, data radio station antenna with controlling machine A communication board;
Described control machine A and controlling machine B form identical, and they are made up of controlling machine mainboard, electric board, communication board, I/O interface board, control panel, system power supply, data radio station and heartbeat line respectively; Be connected by the heartbeat line between described controlling machine A and the controlling machine B.
Described electric board, communication board and I/O interface board connect the controlling machine mainboard, and described controlling machine mainboard connects the controlling machine panel through described I/O interface board, and described data radio station connects communication board through RS-232 interface, connects described antenna through the two-shipper switch controller.
2, according to the described wireless locomotive signal dual-engine warm standby control method of claim 1, it is characterized in that: described two-node cluster hot backup control method is the handover mechanism mode that controlling machine A and controlling machine B adopt the control competition, be after controlling machine A and controlling machine B power on simultaneously, carry out control and rob power by robbing the power circuit, what obtain control carries out control task for main control computer, and losing power person is the hot reserve machine; Non-when powering on simultaneously, the person that do not power on earlier is a main control computer, after the person of powering on be reserve machine, this moment, shifter was swung to main control computer one side automatically, connected interlock circuit; Thermotropism reserve machine despatching station field data during main control computer work, train data and heartbeat frame, the hot reserve machine fails to receive the heartbeat message of main control computer at the appointed time, then (1) is if controlling machine A this moment is a main control computer, the hot reserve machine is that controlling machine B starts shifter, utilize dynamic control circuit driving R/G to connect each passage and link to each other with the hot reserve machine, controlling machine B becomes main control computer by the hot reserve machine and executes the task; (2) if controlling machine B this moment is a main control computer, commutation circuit repeat circuit dead electricity, according to the relay characteristic that automatically resets, connecting each passage is that controlling machine A links to each other with the hot reserve machine, controlling machine A becomes main control computer execution control task by the hot reserve machine.
3, according to claim 1,2 described wireless locomotive signal dual-engine warm standby control methods, it is characterized in that:
Described two-node cluster hot backup switching condition be the main control computer that ought move owing to hardware fault, program change fly, communicate by letter locked, Radio Link interrupts or reason such as aerial lug disconnection, regards as the controlling machine fault, switching control is carried out and is automaticallyed switch; When needing to be serviced or switch inspection, switch manually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101345772A CN100519293C (en) | 2005-12-19 | 2005-12-19 | Wireless locomotive signal dual-engine warm standby control method |
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| CNB2005101345772A CN100519293C (en) | 2005-12-19 | 2005-12-19 | Wireless locomotive signal dual-engine warm standby control method |
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| CN100519293C CN100519293C (en) | 2009-07-29 |
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| CN101916096A (en) * | 2010-07-28 | 2010-12-15 | 新太科技股份有限公司 | Design method of efficient dual computer hot-standby switch |
| CN101917210A (en) * | 2010-07-16 | 2010-12-15 | 天津七一二通信广播有限公司 | Railway wireless train dispatching station radio |
| CN101378334B (en) * | 2008-09-25 | 2011-04-06 | 卡斯柯信号有限公司 | Communication method based on dual-network redundant universal network model |
| CN101556473B (en) * | 2008-04-10 | 2011-06-15 | 卡斯柯信号有限公司 | Control method of double-machine heat preparation switching control device |
| CN101648570B (en) * | 2009-08-31 | 2012-01-25 | 郑州三方软件技术有限公司 | Dual computer hot-standby switcher and dual computer hot-standby switching method |
| CN102407856A (en) * | 2011-09-21 | 2012-04-11 | 中国北车股份有限公司大连电力牵引研发中心 | Hot backup redundancy method and hot backup redundancy system of train central control unit |
| CN101794142B (en) * | 2009-11-02 | 2012-06-13 | 三一重机有限公司 | Dual-computer redundancy control method and control device thereof |
| CN103199972A (en) * | 2013-03-25 | 2013-07-10 | 成都瑞科电气有限公司 | Double machine warm backup switching method and warm backup system achieved based on SOA and RS485 bus |
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| US8868267B2 (en) | 2012-11-30 | 2014-10-21 | Electro-Motive Diesel, Inc. | Remote update in locomotive distributed control systems |
| US8935020B2 (en) * | 2012-11-30 | 2015-01-13 | Electro-Motive Diesel, Inc. | Back-up and redundancy of modules in locomotive distributed control systems |
| US8954210B2 (en) | 2012-11-30 | 2015-02-10 | Electro-Motive Diesel, Inc. | Distributed control system for a locomotive |
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| CN101556473B (en) * | 2008-04-10 | 2011-06-15 | 卡斯柯信号有限公司 | Control method of double-machine heat preparation switching control device |
| CN101378334B (en) * | 2008-09-25 | 2011-04-06 | 卡斯柯信号有限公司 | Communication method based on dual-network redundant universal network model |
| CN101648570B (en) * | 2009-08-31 | 2012-01-25 | 郑州三方软件技术有限公司 | Dual computer hot-standby switcher and dual computer hot-standby switching method |
| CN101794142B (en) * | 2009-11-02 | 2012-06-13 | 三一重机有限公司 | Dual-computer redundancy control method and control device thereof |
| CN101917210A (en) * | 2010-07-16 | 2010-12-15 | 天津七一二通信广播有限公司 | Railway wireless train dispatching station radio |
| CN101916096A (en) * | 2010-07-28 | 2010-12-15 | 新太科技股份有限公司 | Design method of efficient dual computer hot-standby switch |
| CN103764480A (en) * | 2011-06-27 | 2014-04-30 | 泰雷兹加拿大公司 | Railway signaling system with redundant controllers |
| CN102407856A (en) * | 2011-09-21 | 2012-04-11 | 中国北车股份有限公司大连电力牵引研发中心 | Hot backup redundancy method and hot backup redundancy system of train central control unit |
| US9026282B2 (en) | 2012-11-30 | 2015-05-05 | Electro-Motive Diesel, Inc. | Two-tiered hierarchically distributed locomotive control system |
| US8868267B2 (en) | 2012-11-30 | 2014-10-21 | Electro-Motive Diesel, Inc. | Remote update in locomotive distributed control systems |
| US8935020B2 (en) * | 2012-11-30 | 2015-01-13 | Electro-Motive Diesel, Inc. | Back-up and redundancy of modules in locomotive distributed control systems |
| US8954210B2 (en) | 2012-11-30 | 2015-02-10 | Electro-Motive Diesel, Inc. | Distributed control system for a locomotive |
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| CN103199972B (en) * | 2013-03-25 | 2016-04-20 | 成都瑞科电气有限公司 | The two-node cluster hot backup changing method realized based on SOA, RS485 bus and hot backup system |
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| CN109677462B (en) * | 2018-12-27 | 2023-10-17 | 卡斯柯信号有限公司 | Ground multi-radio redundancy structure and method for wireless shunting locomotive signal and monitoring system |
| CN110968021A (en) * | 2019-12-20 | 2020-04-07 | 上海亨钧科技股份有限公司 | Interlocking machine dual-system switching system and control method |
| CN113703353A (en) * | 2021-07-28 | 2021-11-26 | 中国铁道科学研究院集团有限公司通信信号研究所 | Redundancy control and redundancy communication method and system applied to train tail equipment |
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