CN106627668A - Train monitoring server system based on double-two-out-of-two framework and control method - Google Patents
Train monitoring server system based on double-two-out-of-two framework and control method Download PDFInfo
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- CN106627668A CN106627668A CN201611219877.5A CN201611219877A CN106627668A CN 106627668 A CN106627668 A CN 106627668A CN 201611219877 A CN201611219877 A CN 201611219877A CN 106627668 A CN106627668 A CN 106627668A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/0018—Communication with or on the vehicle or vehicle train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
Abstract
The invention discloses a train monitoring server system based on a double-two-out-of-two framework and a control method and belongs to the technical field of train running safety dispatching. The system comprises a first ATS server, a second ATS server, a first switch and a second switch, wherein the first ATS server and the second ATS server are in crossing connection with the first switch and the second switch so as to form two sets of mean square systems for hot standby; the first ATS server and the second ATS server are respectively served by the first and second ATS service units with same function so as to perform safety data operation and realize two-out-of-two vote. The method comprises the following steps: starting the first ATS server and the second ATS server, reading data and command uploaded by a CBTC (Communication Based Train Control) external system and an ATS client by the first and second ATS service units and then performing safety data operation, realizing the two-out-of-two vote and sending a voting result to the CBTC external system and the ATS client. According to the invention, the double-two-out-of-two operation is realized on the basis of a hardware platform, the safety of an ATS service system is increased, hot standby is realized between the two servers and the usability of the ATS server system is increased.
Description
Technical field
It is more particularly to a kind of to be based on two and take advantage of two row for taking two frameworks the present invention relates to train operating safety dispatching technique field
Car monitoring server system and control method.
Background technology
In China's subway line, communication-based train control system is generally used（Communication Based
Train Control System, CBTC）To realize Train Control and running scheduling.And automatic train monitor
（Automatic Train Supervision, ATS）As one of CBTC subsystems, it is responsible for monitoring with adjust automatically train
Operation, is commander's core of metro operation,
Existing most ATS systems use C/S structures, and its core is operate in the ATS servers of control centre, existing
Most ATS servers have been realized in the redundancy backup of system, but cannot but take precautions against the mistake under data operation fault condition
The safety problem that output brings, the safe class of ATS server systems is inadequate.
The content of the invention
It is an object of the invention to provide a kind of be based on the two train supervision server systems for taking advantage of two to take two frameworks and control
Method, to improve the safe class of ATS server systems.
To realize object above, the technical solution used in the present invention is：First aspect, there is provided one kind takes advantage of two to take two based on two
The train supervision server system of framework, the system includes：First, second ATS servers and first, second switch, first,
2nd ATS servers and hot standby each other two set two of the cross interconnected composition of first, second switch take advantage of system, and first, second
ATS servers are respectively by the service of the first, second ATS service units with identical function with to the realization of secure data calculation process
Two take two votings.
A kind of second aspect, there is provided controlling party for being based on the two automatic train monitoring server systems for taking advantage of two to take two frameworks
Method, the method includes：
Start first, second ATS servers, first, second ATS servers are monitored mutually by first, second ATS service units
Other side's working condition；
To safety after the data and order of first, second ATS service units reading CBTC external systems and ATS client uploads
Data operation process realizes that two take two votings；
First, second ATS service units by the two of secure data calculation process take two votings send to CBTC external systems and
ATS clients.
Compared with prior art, there is following technique effect in the present invention：The present invention is led to by arranging two sets of configuration identicals
With server, two switches, two sets of ATS service units, every server configures dual processors are to safety-related life in ATS systems
Order realizes that two take two computings, and two-server is hot standby each other, with existing single set or the ATS server system phases of two-node cluster hot backup
Than the present invention realizes that two take two computings based on hardware platform, improves the safety of ATS service systems, real between two-server
It is existing hot standby, improve the availability of ATS server systems.
Description of the drawings
Fig. 1 is to take advantage of the structure of the two train supervision server systems for taking two frameworks to show based on two in one embodiment of the invention
It is intended to；
Fig. 2 is an ATS service units or the 2nd ATS service unit structural representations in one embodiment of the invention；
Fig. 3 is based on two control methods for taking advantage of the two train supervision server systems for taking two frameworks in one embodiment of the invention
Schematic flow sheet；
Fig. 4 is the schematic flow sheet of the fine division step of step S2 in one embodiment of the invention.
Specific embodiment
With reference to shown in Fig. 14, the present invention is described in further detail.
As shown in figure 1, present embodiments provide it is a kind of be based on the two train supervision server systems for taking advantage of two to take two frameworks, should
System includes first, second ATS servers 10,20 and first, second switch 30,40, first, second ATS servers 10,20
Two set two hot standby each other with the cross interconnected composition of first, second switch 30,40 takes advantage of system, and first, second ATS servers
10th, 20 serviced with to secure data calculation process reality by the first, second ATS service units 50,60 with identical function respectively
Existing two take two votings.
It should be noted that two-server is by two switches and CBTC external systems and ATS in the present embodiment
Client carries out data exchange, wherein, the configuration of two-server is identical, and two-server is simultaneously hot standby each other, based on hardware
The voting that platform realizes data safety-related in the order to CBTC external systems and ATS client uploads and data is defeated
Go out, improve the safety of ATS systems.
Specifically, ATS servers 10 include a CPU11, the 2nd CPU12 and first, second network port 13,
14, the 2nd ATS servers 20 include the 3rd CPU21, the 4th CPU22 and the three, the 4th network ports 23,24, a CPU11,
2nd CPU12 is connected respectively by first, second network port 13,14 with first, second switch 30,40, the 3rd CPU21,
4th CPU22 is connected respectively by the three, the 4th network ports 23,24 with first, second switch 30,40.
It should be noted that the ATS servers in the present embodiment include at least two CPU, at least two network ports, should
At least two network ports are connected respectively with two switches.Two sets of ATS service units are separately operable in two ATS servers
In, often cover ATS service units and realize that the two of safety-relevant data takes two computings based on the dual processors in ATS servers, realize voting
Output.
Specifically, ATS server units are using dual-thread difference first class services CPU11, the 2nd CPU12, and use double
Thread services respectively the 3rd CPU21, the 4th CPU22.
Specifically, as shown in Fig. 2 first, second ATS service units 50,60 include initial module 51, communication module
52nd, first, second safety-related computing module 53,54 and tasks synchronization comparison module 55；The outfan of initialization module 51
It is connected to change the relationship of dual-thread with the input of first, second safety-related computing module 53,54 by communication module 52
Property；The input of communication module 52 is by first, second network port 13,14 or the three, the 4th network ports 23,24 and CBTC
External system and ATS clients connect, the outfan of communication module 52 and first, second safety-related computing module 53,54
Input connects；The outfan of first, second safety-related computing module 53,54 and the input of tasks synchronization comparison module 55
Connection；The outfan of tasks synchronization comparison module 55 is connected with the input of communication module 52, with by communication module 52 with
CBTC external systems and ATS clients are communicated.
Specifically, the effect of the initialization module 51 in the present embodiment is the initial launch configuration for realizing ATS service units,
Including the affinity for changing dual-thread, think that first, second safety-related computing module 53,54 specifies CPU.Communication module 52
Effect is the data by network port reading CBTC external systems and ATS clients, and judges the type of data, will safety
Related data give respectively first, second peace related operation module 53,54 to carry out data operation.First, second safe phase
Close computing module 53,54 to operate on independent CPU using independent thread respectively, realize the process to safety-relevant data.
The effect of tasks synchronization comparison module 55 is that the result to first, second safety-related computing module 53,54 carries out data
Compare, to realize that task is checked synchronously between two CPU.
Specifically, first, second described ATS service units 50,60 also include and are connected to carry out with communication module 52
The non-safety-related computing module 56 of two-way communication.
It should be noted that 52 pairs of data collected from the network port of communication module are categorized as safety-relevant data and non-
Safety-relevant data, and non-safety-related data are sent in non-safety-related computing module 56 for non-safety-related computing mould
Block 56 is processed, and non-safety-related computing module 56 here does not use first, second safety-related computing module 53,54
Cpu resource.
Specifically, first, second ATS service units 50,60 also include by communication module 52 and initial module 51, the
First, the second safety-related computing module 53,54, tasks synchronization comparison module 55 and non-safety-related computing module 56 connect with
The active and standby system's handover module 57 for being communicated.
Wherein, the effect of active and standby system's handover module 57 is the software and hardware of the ATS servers 10,20 of real-time monitoring first, second
State, when software and hardware state meets the condition of switching, starts main preparation system and switches, i.e. first, second ATS service units 50,
60 switching outputs, such as, the cut-out output of an ATS service units 50, the 2nd ATS service units 60 start output.
As shown in figure 3, a kind of present embodiment discloses two train supervision server systems for taking advantage of two to take two frameworks of being based on
Control method, the method comprises the steps S1 to S3：
S1, first, second ATS servers 10,20 of startup, first, second ATS servers 10,20 are taken by first, second ATS
Business unit 50,60 monitors mutually other side's working condition；
After first, second ATS servers 10,20 start, first, second ATS service units 50,60 monitor mutually other side's work shape
State, after it is determined that first, second ATS servers 10,20 working conditions are errorless, according to first, second ATS service units 50,60
The priority of run time competes active and standby system, such as, time of the operation of an ATS service units 50 first with the 2nd ATS service units
60, it is determined that an ATS servers 10 are principal series, the 2nd ATS servers 20 are standby system.
S2, first, second ATS service units 50,60 read the data of CBTC external systems and ATS client uploads and
Two take two votings is realized to secure data calculation process after order；
S3, first, second ATS service units 50,60 take the two of secure data calculation process two votings and send to CBTC
System and ATS clients.
Specifically, as shown in figure 4, above-mentioned step S2 specifically includes following fine division step S21 to S24：
S21, initialization module 51 change the affinity of dual-thread and think that first, second safety-related computing module 53,54 is distinguished
Specified CPU1/CPU2, and first, second network port 13,14 or the three, the 4th network ports 23,24 are initialized；
S22, communication module 52 read CBTC by first, second network port 13,14 or the three, the 4th network port 23,24
The data and order of external system and ATS client uploads, and safety-related data and order are sent to first, second
Safety-related computing module 53,54；
S23, first, second safety-related computing module, 53,54 pairs of safety-related data and order are processed, and will be processed
As a result export to tasks synchronization comparison module 55；
S24, the result of 55 pairs of outputs of first, second safety-related computing module 53,54 of tasks synchronization comparison module are carried out
Relatively, and than it is more consistent when the result that first, second safety-related computing module 53,54 exported communication module 52
Export to CBTC external systems and ATS clients.
It should be noted that in actual applications, the first, second safety-related number of safety-related computing module 53,54 pairs
According to being processed, result is exported to tasks synchronization comparison module 55, two modules of tasks synchronization comparison module 55 pair
Result is compared, and while monitor first, second safety-related computing module 53,54 in run be same task,
If not same task, then enter line delay wait, postpone to the process in first, second safety-related computing module 53,54
As a result it is compared.
Specifically, above-mentioned step S2 also includes the following steps not shown in figure：
Communication module 52 is by the data of non-safety-related and order output to non-safety-related computing module 56；
The data of 56 pairs of non-safety-related for receiving of non-safety-related computing module and order are processed, and by result
Exported to CBTC external systems and ATS clients by communication module 52.
Specifically, the course of work of communication module 52 is described as follows：Communication module 52 reads CBTC by the network port
The data of external system and ATS client uploads, and the data to reading classify, and by safety-relevant data is given
First, non-safety-related data are given non-safety-related computing module 56 by the second safety-related computing module 53,54.
Specifically, above-mentioned step S2 also includes the following steps not shown in figure：
Active and standby system's handover module 57 by communication module 52 to initial module 51, first, second safety-related computing module 53,
54th, tasks synchronization comparison module 55 and non-safety-related computing module 56 carry out real-time monitoring, and are finding any of which mould
When block breaks down, start the switch logic of falling machine and judge；
Meet it is default cut be logic after, first, second ATS service units switch over output.
In the present embodiment the modules in ATS service units are monitored by arranging active and standby system's handover module 57,
To obtain the working condition of modules, and wherein the working condition of a module meet it is default cut when being logic, first,
2nd ATS service units switch over defeated output, greatly improve safety and the availability of ATS server systems.
Claims (10)
1. it is a kind of to be based on the two train supervision server systems for taking advantage of two to take two frameworks, it is characterised in that including first, second ATS
Server（10、20）With first, second switch（30、40）, first, second ATS servers（10、20）Hand over first, second
Change planes（30、40）Hot standby each other two set two of cross interconnected composition takes advantage of system, and first, second ATS servers（10、20）Respectively
By the first, second ATS service units with identical function（50、60）Service to realize that two take two to secure data calculation process
Voting.
2. the system as claimed in claim 1, it is characterised in that a described ATS servers（10）Including first, second
CPU（11、12）, first, second network port（13、14）, the 2nd ATS servers（20）Including the three, the 4th CPU（21、22）、
Three, the 4th network ports（23、24）, first, second CPU（11、12）Pass through first, second network port respectively（13、14）
With first, second switch（30、40）Connection, the three, the 4th CPU（21、22）Pass through the three, the 4th network ports respectively（23、
24）With first, second switch（30、40）Connection.
3. the system as claimed in claim 1, it is characterised in that the ATS server units service respectively using dual-thread
First, the 2nd CPU（11、12）, and the three, the 4th CPU are serviced respectively using dual-thread（21、22）.
4. system as claimed in claim 3, it is characterised in that first, second described ATS service units（50、60）Wrap
Include initial module（51）, communication module（52）, first, second safety-related computing module（53、54）And tasks synchronization compares
Module（55）；
Initialization module（51）Outfan pass through communication module（52）With first, second safety-related computing module（53、54）
Input connect to change the affinity of dual-thread；
Communication module（52）Input pass through first, second network port（13、14）Or the three, the 4th network ports（23、
24）It is connected with CBTC external systems and ATS clients, communication module（52）Outfan and first, second safety-related computing
Module（53、54）Input connection；
First, second safety-related computing module（53、54）Outfan and tasks synchronization comparison module（55）Input connect
Connect；
Tasks synchronization comparison module（55）Outfan and communication module（52）Input connection, with by communication module（52）
Communicated with CBTC external systems and ATS clients.
5. system as claimed in claim 4, it is characterised in that first, second described ATS service units（50、60）It is also equal
Including with communication module（52）Connect to carry out the non-safety-related computing module of two-way communication（56）.
6. system as claimed in claim 5, it is characterised in that first, second described ATS service units（50、60）It is also equal
Including by communication module（52）With initial module（51）, first, second safety-related computing module（53、54）, tasks synchronization
Comparison module（55）And non-safety-related computing module（56）Active and standby system handover module of the connection to be communicated（57）.
7. a kind of control based on the two train supervision server systems for taking advantage of two to take two frameworks as described in any one of claim 1-6
Method processed, it is characterised in that comprise the steps：
S1, first, second ATS servers of startup（10、20）, first, second ATS servers（10、20）By first, second
ATS service units（50、60）Other side's working condition is monitored mutually；
S2, first, second ATS service units（50、60）Read the data and life of CBTC external systems and ATS client uploads
Two take two votings is realized to secure data calculation process after order；
S3, first, second ATS service units（50、60）Two votings are taken by the two of secure data calculation process to send to outside CBTC
Portion's system and ATS clients.
8. method as claimed in claim 7, it is characterised in that step S2 includes：
S21, initialization module（51）The affinity for changing dual-thread thinks first, second safety-related computing module（53、54）
CPU1/CPU2 is respectively specified that, and to first, second network port（13、14）Or the three, the 4th network ports（23、24）Carry out
Initialization；
S22, communication module（52）By first, second network port（13、14）Or the three, the 4th network ports（23、24）Read
Take data and the order of CBTC external systems and ATS client uploads, and safety-related data and order are sent to the
First, the second safety-related computing module（53、54）；
S23, first, second safety-related computing module（53、54）Safety-related data and order are processed, and will place
Reason result is exported to tasks synchronization comparison module（55）；
S24, tasks synchronization comparison module（55）To first, second safety-related computing module（53、54）The result of output
Be compared, and than it is more consistent when by communication module（52）By first, second safety-related computing module（53、54）Output
Result is exported to CBTC external systems and ATS clients.
9. method as claimed in claim 8, it is characterised in that described step S2 also includes：
Communication module（52）By the data of non-safety-related and order output to non-safety-related computing module（56）；
Non-safety-related computing module（56）The data of non-safety-related and order to receiving are processed, and will process knot
Fruit passes through communication module（52）Export to CBTC external systems and ATS clients.
10. method as claimed in claim 9, it is characterised in that described step S2 also includes：
Active and standby system's handover module（57）By communication module（52）To initial module（51）, first, second safety-related computing mould
Block（53、54）, tasks synchronization comparison module（55）And non-safety-related computing module（56）Real-time monitoring is carried out, and is being found
When any of which module breaks down, start the switch logic of falling machine and judge；
Meet it is default cut be logic after, first, second ATS service units switch over output.
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| CN109739568A (en) * | 2018-12-19 | 2019-05-10 | 卡斯柯信号有限公司 | It is a kind of to multiply the 2 security platform starting methods for taking 2 frameworks based on 2 |
| CN110979404A (en) * | 2019-12-19 | 2020-04-10 | 交控科技股份有限公司 | Dual-machine hot standby system and method of automatic train supervision system |
| CN110979393A (en) * | 2019-12-14 | 2020-04-10 | 中车大连电力牵引研发中心有限公司 | Programmable logic control system applied to subway train |
| CN111541578A (en) * | 2020-05-27 | 2020-08-14 | 合肥工大高科信息科技股份有限公司 | Data interaction device, method and system for dual-computer hot standby interlocking system |
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| CN114553376A (en) * | 2022-01-06 | 2022-05-27 | 北京全路通信信号研究设计院集团有限公司 | Two-by-two-out-of-two platform communication method and system for computer interlocking system |
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| CN114553376A (en) * | 2022-01-06 | 2022-05-27 | 北京全路通信信号研究设计院集团有限公司 | Two-by-two-out-of-two platform communication method and system for computer interlocking system |
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