CN106878081A - Train gateway redundancy control system and its control method - Google Patents
Train gateway redundancy control system and its control method Download PDFInfo
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- CN106878081A CN106878081A CN201710107666.0A CN201710107666A CN106878081A CN 106878081 A CN106878081 A CN 106878081A CN 201710107666 A CN201710107666 A CN 201710107666A CN 106878081 A CN106878081 A CN 106878081A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
- H04L12/40176—Flexible bus arrangements involving redundancy
- H04L12/40182—Flexible bus arrangements involving redundancy by using a plurality of communication lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
- H04L12/40176—Flexible bus arrangements involving redundancy
- H04L12/40195—Flexible bus arrangements involving redundancy by using a plurality of nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
- H04L41/0661—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities by reconfiguring faulty entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40293—Bus for use in transportation systems the transportation system being a train
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Abstract
The present invention proposes a kind of train gateway redundancy control system and its control method, the present invention includes the first gateway, second gateway, and central control unit, be connected between first gateway and the second gateway can transmission information redundant link, identification module is provided with first gateway and the second gateway, bus performing module, acquisition module, information storage module, judge module, transfer module and redundant control module, acquisition module gathers other side's gateway information, judge module judges whether other side's gateway is normal, module is transferred according to judging newest primary gateway information in information gathering information memory module, and the up-to-date information is sent to redundant control module, redundant control module control redundancy switching, and added to bus execution with up-to-date information state.Redundancy control system of the invention and its method, after primary gateway breaks down, backup gateway is to add to bus to carry out just operation according to former primary gateway information, it is to avoid competition with sovereign right, shortens just run time.
Description
Technical field
The invention belongs to train communication field, more particularly to a kind of control system and method for train gateway redundancy.
Background technology
The TCN TCNs that IEC61375-1 standards specify, are the train communication standards being most widely used at present,
China is also introduced into the standard, used as the proposed standard of Train communication network.TCN standards define WTB and MVB two-stage buses
Structure realizes the control to train, that is, connect the wired train bus WTB buses and connection vehicle interior of each section vehicle
Double-unit traction controller bus.
According to TCN standards, the physical layer and link layer of WTB buses and MVB are different, and train gateway is responsible for realization
Communication Protocol Conversion between WTB buses and MVB, completes process data, message data and monitoring number between two-stage bus
According to exchange.When train is organized into groups or solved volume according to operation demand, gateway can recognize the network topology change of train, and
The network control system of vehicle is reconfigured according to new network topology, so as to realize the interconnection between train, intercommunication, interoperability.
Gateway is the key equipment in TCN network communicating systems, when train gateway failure, the data between vehicle
Communication will occur interruption, and train cannot normal safe operation.Gateway can be divided into the multiple work(such as CPU, WTB, MVB according to function
Can module.Wherein WTB modules complete the first operation function of WTB buses, and process data, message data and monitoring data communication
Function；MVB modules complete process data, message data and the monitoring data communication function of MVB；CPU module is gateway master
Control unit, runs gateway software, realizes the data communication protocol translation function between train bus-line and vehicle bus.When train weight
When binding group or solution marshalling, trigger just operation, gateway can be automatically performed the distribution of each address of node, direction discernment in marshalling,
And obtain train topology information.
To meet the reliability requirement of train network control system, in the prior art, key equipment redundancy skill is generally used
Art：For gateway using double gateway redundancy configurations, i.e. primary gateway and backup gateway, wherein, primary gateway is active realizing
Gateway function, backup gateway is not involved in the double gateways of bus communication, i.e. redundancy and single gateway node is shown as in bus；Backup net
Close by redundant link, judge that primary gateway life signal does not change in Preset Time, then switch to primary gateway, take over original
Primary gateway realizes train level and vehicle grade communication, it is ensured that the normal operation of train.Failure gateway will be restarted by watchdog reset,
As new backup gateway.
But above-mentioned problems with of the prior art：(1) existing gateway redundancy detection only judges primary gateway life signal
Situation of change, it is impossible to obtain the status information of primary gateway in time, when primary gateway breaks down, standby gateway switches to major network
Close, backup gateway will add bus with new node, possible to trigger sovereignty competition, the first run time of extension；Because at the beginning of WTB buses
During operation, train communication is in paralyzed state, although guaranteed safe logic, should as far as possible reduce just run time；(2) it is existing
There is gateway redundancy to detect that link is single line, when there is redundant link failure, redundancy switching will by mistake occur, cause bus chaotic,
Influence train network proper communication.
The content of the invention
In order to solve the above problems, the invention provides a kind of train gateway redundancy control system and its control method, should
The primary gateway of invention can in real time obtain both sides' status information with backup gateway, with when backup gateway switches to primary gateway, with master
Gateway working condition is added to bus, it is to avoid competition with sovereign right, shortens just run time.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of train gateway redundancy control system, including the first gateway, the second gateway, and connection the first gateway and second
The central control unit of gateway, be connected between the first gateway and the second gateway can transmission information redundant link, the first gateway
With information storage module, identification module are provided with the second gateway, bus performing module, acquisition module, judge module, mould is transferred
Block and redundant control module, wherein, acquisition module connection redundant link is transmitted for gathering other side's gateway by redundant link
Other side's gateway information；Default static configuration information is provided with information storage module, information storage module connects acquisition module,
The information that information storage module is used for acquisition module collection is stored at preset timed intervals, and storage information is fed back into bus execution mould
Block；Identification module is connected to information storage module, for reading default static configuration in information storage module, recognizes itself net
Whether pass is primary gateway, and forms primary gateway information and backup gateway information；Bus performing module connect identification module, for root
The gateway information recognized according to identification module chooses whether that participating in bus performs, and such as identification module is identified as primary gateway, then the gateway
Participate in bus to perform, and the gateway information is transferred to central control unit in real time, conversely, then disconnect bus performing；Judge mould
Block connect identification module and acquisition module, for by receiving whether the information of identification module and acquisition module judges other side's gateway
Break down and respond；Module connection judgment module and information storage module are transferred, for receiving judge module judgement
Primary gateway failures information, other side's gateway information of the last storage in further gathering information memory module；Redundant Control mould
Module, output end connection bus performing module, for being entered to always according to the output for transferring module are transferred in the input connection of block
The execution of line performing module.
Used as further optimization of the invention, the first gateway and the second gateway have further included selftest module, self-inspection mould
Block connects acquisition module, for gathering itself gateway status information.
As further optimization of the invention, house dog is connected with outside selftest module, selftest module self-inspection is normal, then default
Feeding house dog in time；Selftest module self-inspection is abnormal, then stop feeding house dog.
Used as further optimization of the invention, redundant link is dual redundant link, and dual redundant link includes MVB redundancy
Link and industry ethernet redundant link.
A kind of train gateway redundancy control method, uses above-mentioned train gateway redundancy control system, including step (1) gateway
Whether set the first gateway and the second gateway by default static configuration information in information storage module is primary gateway, and start
Primary gateway and backup gateway, it is further comprising the steps of：
(2) other side's gateway information data are gathered by acquisition module between primary gateway and backup gateway, if identification other side
Itself as primary gateway, is then switched to backup gateway by gateway；
(3) primary gateway and backup gateway perform primary gateway pattern and backup gateway mould respectively according to bus performing module
Formula；
(4) judge whether primary gateway and backup gateway break down according to judge module：
As primary gateway breaks down, then enter primary gateway failures and process state, activation system of laying equal stress on is back to step (1)；
Conversely, then entering primary gateway pattern；
As backup gateway breaks down, then into backup gateway troubleshooting state, activation system of laying equal stress on is back to step
(1)；Conversely, performing step (5)；
(5) whether backup gateway normally runs according to primary gateway feedack condition adjudgement primary gateway, and such as primary gateway is being just
Often operation, then into backup gateway pattern；As primary gateway breaks down, then redundancy switching is carried out, backup gateway gathering information is deposited
The primary gateway information of the last storage in storage module, and bus operation initiation is entered to the information state when redundancy switches
Just operation, further performs primary gateway pattern.
Used as further optimization of the invention, the primary gateway pattern in step (3) and step (5) includes：Carried out with bus
Communication, the self-inspection of primary gateway and according to self-detection result feeding or stop feeding house dog, obtain backup gateway status information and on
Reach central control unit and send primary gateway status information to backup gateway.
Used as further optimization of the invention, the backup gateway pattern in step (3) and step (5) includes：Disconnect with it is total
The communication of line, the self-inspection of backup gateway are simultaneously believed according to self-detection result feeding or stopping feeding house dog and acquisition major network off status
Breath.
Used as further optimization of the invention, the primary gateway failures treatment state in step (4) includes being sent out to backup gateway
Send the communication of fault message, disconnection with bus and stopping feeding three steps of house dog.
Used as further optimization of the invention, the backup gateway troubleshooting state in step (4) includes being sent out to primary gateway
Send fault message and stop feeding two steps of house dog.
Used as further optimization of the invention, bus performing module is performed when being disconnected with bus communication, its concrete operations side
Method is as follows：MVB does not send primary gateway port data for backup gateway, it is to avoid port collision；WTB buses are opened to disconnect bus
Close relay, perform the ls_t_Remove processes described in TCN standards, command node itself is cut off from configuration and switch to by
Dynamic state.
Compared with prior art, advantages and positive effects of the present invention are：
1st, train redundancy control method of the invention, using the primary gateway and backup gateway of redundant configuration, it can be to certainly
The state of body is detected, and gives other side's gateway by status information feedback, when primary gateway self-inspection is broken down, in backup gateway
Redundant control module obtains fault message by redundant link, carries out redundancy switching, is added according to former primary gateway status information total
Line carries out just operation, and former primary gateway resetted by hardware watchdog, recover gateway function, it is to avoid competition with sovereign right, shortens
First run time.
2nd, train redundancy control method of the invention, using dual redundant link, it is to avoid trigger during single redundancy link failure
Maloperation.
Brief description of the drawings
Fig. 1 is the block diagram of train redundancy control system of the present invention；
Fig. 2 is the connection block diagram of module in gateway in train redundancy control system of the present invention；
Fig. 3 is the flow chart of train redundancy control method of the present invention.
Specific embodiment
Below, the present invention is specifically described by exemplary implementation method.It should be appreciated, however, that not entering one
In the case of step narration, element, structure and features in an implementation method can also be advantageously incorporated into other embodiment
In.
Referring to Fig. 1, Fig. 1 is the block diagram representation of train gateway redundancy control system of the present invention.As shown in figure 1, of the invention
Train gateway redundancy control system, including the first gateway 2, the second gateway 3, and the first gateway 1 of connection and the second gateway 2
Central control unit 3, be connected between the first gateway and the second gateway can transmission information redundant link 4.Explanation is needed herein
, the first gateway 2 and the second gateway 3 are identical gateways, herein merely to clearly described to the present invention and entered
Capable title difference, other and indistinction.First with multiples such as CPU, WTB, the MVB having in existing gateway in train gateway
Functional module.WTB modules complete the first operation function of WTB buses, and process data, message data and monitoring data communication work(
Energy.MVB modules complete process data, message data and the monitoring data communication function of MVB.CPU module is gateway master control
Unit, runs gateway software, realizes the data communication protocol translation function between train bus-line and vehicle bus.When again train joins
When marshalling or solution marshalling, trigger just operation, gateway can be automatically performed the distribution of each address of node, direction discernment in marshalling, and
Obtain train topology information.
It is that the block diagram of the specific module of gateway in the present invention is illustrated with further reference to Fig. 2, the direction of arrow shown in Fig. 2 is
The flow direction of representative information.As shown in Fig. 2 be provided with the first gateway 2 and the second gateway 3 information storage module 8, identification module 5,
Bus performing module 6, acquisition module 7, judge module 9, module 10 and redundant control module 11 are transferred, wherein,
Acquisition module 7 connects redundant link 4, is believed by other side's gateway that redundant link 4 is transmitted for gathering other side's gateway
Breath；Gateway information at this is including life signal, status information, fault message etc..
Default static configuration information, the connection acquisition module 7 of information storage module 8, information are provided with information storage module 8
Memory module 7 is used at preset timed intervals store the information that acquisition module is gathered, and storage information is fed back into bus execution mould
Block；Preset Time at this can be manually set according to specific requirement, not limited herein for its specific time interval.
Identification module 5 is connected to information storage module 8, and identification module 5 is used to reading default quiet in information storage module 8
State is configured, and recognizes whether itself is primary gateway, and form primary gateway information and backup gateway information；
The connect identification module 5 of bus performing module 6 and redundant control module 11, bus performing module 6 are used for according to identification
The output of the gateway information and redundant control module 11 of the identification of module 5 chooses whether that participating in bus performs, and such as identification module 5 is recognized
It is primary gateway, then the gateway participates in bus execution, and the gateway information is transferred into central control unit 1 in real time, conversely, then breaking
Open bus execution；Herein it should be noted that it refers to the bus operation participated according to the information of primary gateway transmission that bus is performed.
The input connection acquisition module 7 of information storage module 8, output end connect identification module 5 and transfers module 10, believes
Breath memory module 8 is used at preset timed intervals store the information that acquisition module 7 is gathered, and storage information is finally fed back into bus
Performing module；
The connect identification module 5 of judge module 9 and acquisition module 7, judge module 9 are used for by receiving identification module and collection
The information of module judges whether other side's gateway breaks down and respond.Specifically, identification module 5 by the gateway whether based on
Gateway information is delivered to judge module 9, and the gateway that such as judge module 9 receives the identification of identification module 5 is backup gateway, then further
Judge whether other side's gateway breaks down according to the information that acquisition module 7 is gathered, primary gateway failures letter is exported if breaking down
Breath；The gateway that such as judge module 9 receives the identification of identification module 5 is primary gateway, then determine whether whether itself gateway occurs
Failure, such as breaks down, then reset the gateway；
The connection judgment module 9 of module 10 and information storage module 8 are transferred, module 10 is transferred and is received what judge module 9 judged
Primary gateway failures information, other side's gateway information of the last storage in further gathering information memory module 8；
Module 10, output end connection bus performing module 6, Redundant Control are transferred in the input connection of redundant control module 11
Module 6 enters to the execution of bus performing module according to the output of module 10 is transferred.
Above-mentioned technical proposal of the invention, other side's gateway information is constantly gathered by acquisition module, and will gather every time
Gateway information store to information storage module, while will collection information input to judge module, judge module is believed according to collection
Breath or the whether normal of acquisition time judge whether other side's gateway normal, such as other side's gateway normally, then not output information；Such as other side
Gateway is abnormal, and identification module output then exports primary gateway failures information to module is transferred from as backup gateway, transfers mould
The up-to-date information is sent to redundancy control by root tuber according to primary gateway information newest in the judgement information gathering information memory module
Molding block, redundant control module control redundancy switching, and added to bus execution with up-to-date information state.In this process, when
After primary gateway breaks down, backup gateway is to add to bus to carry out just operation according to former primary gateway information, it is to avoid with sovereign right competing
Strive, shorten just run time.As other side's gateway is abnormal, and identification module exports itself for primary gateway, then by backup gateway
Fault message passes through bus performing module, reports to central control unit, is easy to implement monitoring and the failure of train network system
Diagnosis.
With continued reference to Fig. 2, the first gateway of the invention and the second gateway have further included selftest module 12, to pass in real time
Pass current gateway information.House dog is connected with outside selftest module 12, the self-inspection of selftest module 12 is normal, then feeding is seen in Preset Time
Door dog；The self-inspection of selftest module 12 is abnormal, then stop feeding house dog.
Further, redundant link of the invention be dual redundant link, dual redundant link include MVB redundant link and with
Too network bus redundant link.It is advantageous in that using dual redundant link, as long as wherein one link proper communication, you can ensure double
The normal redundancy of effort of gateway, improves task performance.The setting of dual redundant link, while primary gateway can be made to obtain backup net in real time
Off status information, when backup gateway is not involved in bus communication, still can be to train central control unit reporting state information, just
In train in way monitoring and fault diagnosis.
It is train gateway redundancy control method flow chart of the present invention referring to Fig. 3.As shown in figure 3, train gateway of the invention
Redundancy control method, using above-mentioned train gateway redundancy control system, comprises the following steps：
(1) gateway recognizes whether the first gateway and the second gateway are primary gateway by identification module, and start primary gateway with
Backup gateway.Herein, clear for convenience, the first gateway of definition is primary gateway, and the second gateway is backup gateway, but in reality
In border, whether the first gateway and the second gateway are primary gateway, are only dependent upon the acquiescence of static configuration information；
(2) other side's gateway information data are gathered by acquisition module between primary gateway and backup gateway, if identification other side
Gateway is primary gateway, then itself is switched into backup gateway；
(3) primary gateway and backup gateway perform primary gateway pattern and backup gateway mould respectively according to bus performing module
Formula；Wherein, primary gateway pattern includes：Communicated with bus, the self-inspection of primary gateway and according to self-detection result feeding or stop feed
Food house dog, acquisition backup gateway status information are simultaneously uploaded to central control unit and send major network off status letter to backup gateway
Breath；Backup gateway pattern includes：Disconnect and the communication of bus, the self-inspection of backup gateway and according to self-detection result feeding or stop feeding
Food house dog and acquisition primary gateway status information；
In this step, self-detection result is specially with the feeding whether relation of house dog：If self-detection result is normal,
According to Preset Time circadian feeding house dog；If self-detection result exception, feeding house dog will be stopped；
(4) judge whether primary gateway and backup gateway break down according to judge module：
As primary gateway breaks down, then enter primary gateway failures and process state, activation system of laying equal stress on is back to step (1)；
Wherein, primary gateway failures treatment state includes sending fault message, disconnection and the communication of bus to backup gateway and stops feeding
Three steps of house dog；Conversely, then entering primary gateway pattern；
As backup gateway breaks down, then into backup gateway troubleshooting state, activation system of laying equal stress on is back to step
(1), after return to step (1), there is work primary gateway in system discovery, will jump to backup gateway working condition, perform standby
Part Gateway Initiative process；Wherein, backup gateway troubleshooting state includes sending fault message to primary gateway and stops feeding
Two steps of house dog；Conversely, performing step (5)；
(5) backup gateway judges whether primary gateway is normally run according to primary gateway feedack data, and such as primary gateway is being just
Often operation, then into backup gateway pattern；As primary gateway breaks down, then redundancy switching is carried out, backup gateway gathering information is deposited
The primary gateway information of the last storage in storage module, and bus operation initiation is entered to the information state when redundancy switches
Just operation, further performs primary gateway pattern.
, it is necessary to further illustrate in the step, the phase mutual feedback of information, is basis between primary gateway and backup gateway
Preset Time carries out periodic feedback, i.e. when primary gateway is to backup gateway feedback information, and it is the section with the maximum preset cycle
Point, when primary gateway breaks down, the performance that primary gateway breaks down does not receive master including backup gateway in Preset Time
Gateway information, or the information data for directly being gathered according to acquisition module is judged as malfunction extremely, and backup gateway obtains event
Barrier information, and bus work is entered to according to the last primary gateway information node for receiving, so avoid to work as primary gateway
During failure, when backup gateway enters to bus, entered with start node, competition with sovereign right can thus occur, extended just
Run time；And bus is entered to the nearest status information node of primary gateway, then the phenomenon of sovereignty competition is avoided, shorten
The time just run.
In addition, in above-mentioned steps, when needing gateway to be disconnected with bus communication, its concrete operation method is as follows：MVB is total
Line does not send primary gateway port data for backup gateway, it is to avoid port collision, and WTB buses are held to disconnect bus switch relay
Itself is cut off from configuration and switchs to passive state by the ls_t_Remove processes described in row TCN standards, command node.
By above-mentioned redundancy control method, active/standby gateway can obtain other side's gateway status to the present invention, and primary gateway can be to
Central control unit reports backup gateway status information, with reference to former primary gateway information when backup gateway redundancy switches, it is to avoid occur
Sovereignty competition, improves the reliability of train network control system.
Claims (10)
1. a kind of train gateway redundancy control system, including the first gateway, the second gateway, and connection the first gateway and the second net
The central control unit of pass, be connected between the first gateway and the second gateway can transmission information redundant link, it is characterised in that
Information storage module, identification module are provided with first gateway and the second gateway, bus performing module, acquisition module, mould is judged
Block, module and redundant control module are transferred, wherein,
Acquisition module connects redundant link, for gathering other side's gateway information that other side's gateway is transmitted by redundant link；
Default static configuration information, information storage module connection acquisition module, information Store mould are provided with information storage module
The information that block is used for acquisition module collection is stored at preset timed intervals, and storage information is fed back into bus performing module；
Identification module is connected to information storage module, for reading default static configuration in information storage module, recognizes itself
Whether gateway is primary gateway, and forms primary gateway information and backup gateway information；
Bus performing module connect identification module, the gateway information for being recognized according to identification module chooses whether that participating in bus holds
OK, such as identification module is identified as primary gateway, then the gateway participates in bus execution, and the gateway information is transferred into central control in real time
Unit processed, conversely, then disconnect bus performing；
Judge module connect identification module and acquisition module, for judging right by receiving the information of identification module and acquisition module
Whether square gateway breaks down and responds；
Module connection judgment module and information storage module are transferred, the primary gateway failures information for receiving judge module judgement,
Other side's gateway information of the last storage in further gathering information memory module；
Module is transferred in the input connection of redundant control module, and output end connection bus performing module transfers module for basis
Output enter to the execution of bus performing module.
2. train gateway redundancy control system according to claim 1, it is characterised in that：First gateway and the second gateway enter
One step includes selftest module, selftest module connection acquisition module, for gathering itself gateway status information.
3. train gateway redundancy control system according to claim 2, it is characterised in that：It is connected with outside selftest module and is guarded the gate
Dog, selftest module self-inspection is normal, then the feeding house dog in Preset Time；Selftest module self-inspection is abnormal, then stop feeding and see
Door dog.
4. the train gateway redundancy control system according to any one of claim 1-3, it is characterised in that：Redundant link is
Dual redundant link, dual redundant link includes MVB redundant link and industry ethernet redundant link.
5. a kind of train gateway redundancy control method, train gateway redundancy control system any one of usage right requirement 1-4
System, including step (1) gateway sets the first gateway and the second gateway by default static configuration information in information storage module
Whether it is primary gateway, and starts primary gateway and backup gateway, it is characterised in that：It is further comprising the steps of：
(2) other side's gateway information data are gathered by acquisition module between primary gateway and backup gateway, if identification other side's gateway
As primary gateway, then itself is switched into backup gateway；
(3) primary gateway and backup gateway perform primary gateway pattern and backup gateway pattern respectively according to bus performing module；
(4) judge whether primary gateway and backup gateway break down according to judge module：
As primary gateway breaks down, then enter primary gateway failures and process state, activation system of laying equal stress on is back to step (1)；Instead
It, then into primary gateway pattern；
As backup gateway breaks down, then into backup gateway troubleshooting state, activation system of laying equal stress on is back to step (1)；
Conversely, performing step (5)；
(5) whether backup gateway is normally run according to primary gateway feedack condition adjudgement primary gateway, and such as primary gateway is normally transported
OK, then into backup gateway pattern；As primary gateway breaks down, then redundancy switching, backup gateway gathering information storage mould are carried out
The primary gateway information of the last storage in block, and bus operation initiation just fortune is entered to the information state when redundancy switches
OK, primary gateway pattern is further performed.
6. train gateway redundancy control method according to claim 5, it is characterised in that：In step (3) and step (5)
Primary gateway pattern includes：Communicated with bus, the self-inspection of primary gateway and according to self-detection result feeding or stop feeding house dog,
Obtain backup gateway status information and be uploaded to central control unit and send primary gateway status information to backup gateway.
7. train gateway redundancy control method according to claim 5, it is characterised in that：In step (3) and step (5)
Backup gateway pattern includes：Disconnect and the communication of bus, the self-inspection of backup gateway and according to self-detection result feeding or stop feeding
House dog and acquisition primary gateway status information.
8. train gateway redundancy control method according to claim 5, it is characterised in that：Primary gateway event in step (4)
Barrier treatment state includes sending fault message, disconnection and the communication of bus to backup gateway and stops three steps of feeding house dog
Suddenly.
9. train gateway redundancy control method according to claim 5, it is characterised in that：Backup gateway in step (4)
Troubleshooting state includes sending fault message to primary gateway and stops feeding two steps of house dog.
10. the train gateway redundancy control method according to any one of claim 5-9, it is characterised in that：Bus is performed
Module is performed when being disconnected with bus communication, and its concrete operation method is as follows：MVB does not send primary gateway port for backup gateway
Data, it is to avoid port collision；WTB buses perform the ls_t_Remove mistakes described in TCN standards to disconnect bus switch relay
Itself is cut off from configuration and switchs to passive state by journey, command node.
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