CN109823375A - A kind of applied to the double of automatic train operation system is hot standby switch method and system - Google Patents
A kind of applied to the double of automatic train operation system is hot standby switch method and system Download PDFInfo
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- CN109823375A CN109823375A CN201910012599.3A CN201910012599A CN109823375A CN 109823375 A CN109823375 A CN 109823375A CN 201910012599 A CN201910012599 A CN 201910012599A CN 109823375 A CN109823375 A CN 109823375A
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- logic unit
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
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Abstract
It is hot standby switch method and system that the invention discloses a kind of applied to the double of automatic train operation system, and the switching method includes, firstly, this be logic unit with to being that logic unit carries out active and standby system competition；Then, it described when being logic unit or being principal series to being logic unit competition, control output and communicates, and exports principal series status signal.By it is double be that active and standby system switching is realized in switching between hot standby, without increasing the equipment for cutting (management) unit or function similar to (management) unit is cut, the reliability of lifting system.
Description
Technical field
The invention belongs to field of track traffic, in particular to a kind of applied to the double of automatic train operation system is hot standby cut
Change method and system.
Background technique
Existing automatic train operation system Dual Module Hot Spare Architecture includes principal series, standby system, machine (management) unit etc. that falls.To
The switching method of two-node cluster hot backup is when principal series failure, and the excision of falling cut unit principal series output, standby system upgrades to principal series.But exists and work as
Host, standby host and the equal failure of communication of cut unit and when normal other function, machine (management) unit cuts off the defeated of active and standby system
Out and ATO is exited, or also will affect system function when cutting off unit communication failure itself, so as to cause ATO is exited, therefore
Existing two-node cluster hot backup reliability is lower.
Summary of the invention
The technical problem to be solved in the present invention is that having overcome the deficiencies of the prior art and provide a kind of automatic applied to train
The double of operating system are hot standby switch method and system, by it is double be that function between hot standby realizes that active and standby system switches, without increasing
Add and cuts (management) unit or the similar equipment for cutting (management) unit of function, the reliability of lifting system.
In view of this, it is hot standby switch that the purpose of the present invention is to provide a kind of applied to the double of automatic train operation system
Method, using following technical scheme:
A kind of applied to the double of automatic train operation system is hot standby switch method, and the switching method includes,
This be logic unit with to being that logic unit carries out active and standby system competition；
It described when being logic unit or being principal series to being logic unit competition, control output and communicates, and exports principal series
Status signal.
Further, including the active and standby system's competition of one or more of is carried out:
Described be logic unit with to be logic unit to be standby be when, then described be logic unit with to being logic
Unit carries out active and standby system's competition by board identifier；
Described is that logic unit is standby system, and when not being for being to being logic unit, then this is that logic unit passes through judgement
To being whether logic unit is that principal series carries out active and standby system and competes；
Described is that logic unit is principal series, then this be logic unit by judge to be logic unit whether be principal series into
The active and standby system's competition of row.
Further, described is logic unit and carries out active and standby system's competition packet by board identifier to being logic unit
It includes,
Defaulting this is that the board identifier of logic unit corresponds to principal series, then it is principal series that this, which is logic unit,.
Further, it is standby system that described, which is logic unit, and when not being for being to being logic unit, then this is that logic unit is logical
Cross judge to be logic unit whether be principal series carry out active and standby system and compete include,
Described pair is that logic unit is principal series, then it is standby system that this, which is logic unit,；
Described pair is that logic unit is not principal series, then described is logic unit detection and to being logical between logic unit
Whether letter is interruption, if communication is not interrupted, this is that logic unit continues to obtain and to the communication information between being；If communication
It interrupting, then this is logic unit detection to being whether logic unit exports principal series status signal, if detecting principal series status signal,
It is standby system that then this, which is logic unit, if principal series status signal is not detected, this is that logic unit upgrades to principal series.
Further, it is principal series that described, which is logic unit, then this be logic unit by judge to be logic unit whether
Carrying out active and standby system's competition for principal series includes,
Described pair is that logic unit is principal series, then it is described it is double be hot standby for malfunction, described be logic unit with it is right
It is that logic unit is performed both by delay machine；
Described pair is that logic unit is not principal series, then it is principal series that this, which is logic unit,.
Further, further include before the active and standby system competition this be logic unit with to being that logic unit obtains this respectively and is
One or more of operation information,
Described be logic unit with to be logic unit obtain respectively the board identifier that this is, described be logic list
Member with to being that logic unit obtains and be logic unit and be to this to being logic unit to the communication information for being, described respectively
Carry out self-test.
Further, described is logic unit and be standby system to the init state for being logic unit.
Further, the method also includes,
It is logic unit or to being logic unit as principal series when described, and when breaking down, then principal series executes delay machine
And cut off output with communicate, meanwhile, whether standby system's detection principal series exports principal series status signal, if can't detect principal series state letter
Number, standby system upgrades to principal series, and control is exported and communicated, and exports principal series status signal.
Further, described is logic unit and be to carry out self-test to include to this to being logic unit,
Described is logic unit and/or does not pass through to being logic unit to the self-test that this is that then described is logic list
Member and/or to being logic unit excision output and communicating, and executes delay machine.
It is hot-backup system that the object of the invention is also to provide a kind of applied to the double of automatic train operation system, including mutual
Be logic unit and to being logic unit for this of redundancy, wherein described be logic unit with to being that logic unit includes,
Active and standby system competes module, for this be logic unit with to being that logic unit carries out active and standby system competition；
Signal generating module generates, output principal series when being logic unit for this or being principal series to being logic unit competition
Status signal.
Further, described be logic unit with to being that logic unit also includes,
Board identifier acquisition module is logic unit, to the board identifier for being logic unit for obtaining this；
First communication module is logic unit and to being logic unit and to the communication between being for realizing this；
Selftest module, for this be logic unit with to being that logic unit carries out self-test.
Further, described be logic unit with to being that logic unit also includes,
Fault processing module is logic unit and to being logic unit excision output and communicating for this, and executes delay machine.
Further, described be logic unit with to being that logic unit also includes,
Second communication module is logic unit and to being output and communication between logic unit is external for realizing this.
The object of the invention is also to provide a kind of automatic train operation system, the automatic running system includes exporting
Unit, communication unit, interface unit and described above this are logic unit with to being logic unit, and described is logic list
Member, to being that logic unit, output unit, communication unit are connected to interface unit, wherein
Described be logic unit with to being logic unit for realizing switching method described above；
The output unit is logic unit and to being output between logic unit is external for realizing this；
The communication unit is logic unit and to being communication between logic unit is external for realizing this；
The interface unit, for realizing this be logic unit, to be logic unit respectively with output unit, communication unit
Between output, communication.
Further, the automatic running system further includes power supply unit, input unit, the record connecting with interface unit
Unit, wherein
The power supply unit, for realizing to the automatic running system power supply；
The input unit acquires for realizing the input of the automatic running system；
The recording unit, for realizing the data record of the automatic running system.
Further, the interface unit include 2 road power bus, the 2 road communication bus that are mutually redundant, board mark.
It is of the invention it is double be hot standby be only that logic unit with to the logic judgment for being logic unit realizes double system's heat by this
Standby switching method, improve it is double be hot standby switch reliability, further, described be logic unit and it is standby be logic list
Member can generate principal series status signal, and export principal series status signal as the logic unit of principal series, and standby system or delay machine are patrolled
Volume unit does not export principal series status signal then, thus it is described double when being that communications status between hot standby occurs abnormal, pass through detection
Principal series status signal further determine this be logic unit and it is standby be logic unit active and standby system's relationship so that double is hot standby
Switching method has more logicality, improves pair safety for being hot standby switch.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Pointed structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
It is hot standby switch method that Fig. 1, which shows one of embodiment of the present invention applied to the double of automatic train operation system,
Flow diagram；
It is hot standby middle is the signal of logic unit switching method process Fig. 2 shows one of embodiment of the present invention is double
Figure；
It is hot-backup system structure that Fig. 3, which shows one of embodiment of the present invention applied to the double of automatic train operation system,
Schematic diagram；
Fig. 4 shows one of embodiment of the present invention automatic train operation system structure diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention clearly and completely illustrated, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, describing in the embodiment of the present invention a kind of applied to the double of automatic train operation system is hot standby cut
Change method, the switching method includes, firstly, described be logic unit with to being that logic unit carries out active and standby system competition；So
Afterwards, described be logic unit or to be logic unit competition be principal series when, control output with communicate, and export principal series state believe
Number.Competition is that the logic unit of principal series controls output unit and communication unit, realizes the operation control of automatic train operation system.
Described be logic unit with to being that logic unit carries out before active and standby system competes, further include obtaining what this was respectively
One or more operation informations, firstly, described be logic unit with to being that logic unit obtains the board that this is respectively and identifies
Number, secondly, described is logic unit with to being that logic unit is obtained respectively with to the communication information for being, then, described is
Logic unit be carry out self-test to this to being logic unit.
Specifically, described be logic unit with to being board identifier that logic unit obtains that this is respectively, the plate
Card identifier is logic unit and to being logic unit for distinguishing this, it is preferable that when obtaining board identifier, this is logic list
Member and backboard board identifier is read by 4 I/O pins of CPU to being logic unit, it is further preferred that this is logic list
If member and be 1111 to being this tie-plate card identifier obtained when logic unit is not inserted into backboard, when this is logic unit and right
It is logic unit and to being that logic unit distinguishes to this by different pins ground connection when being logic unit insertion backboard, than
It is 1110 if described this is the board identifier of logic unit, described pair is that the board identifier of logic unit is 1101.
Further, the communication information includes but is not limited to activestandby state, platform number synchronizing cycle, application task week
Phase, using cycle synchronisation data.By this be logic unit and it is standby be that logic unit can to the communication information for being by obtaining
Enough double is that the communication information between hot standby is consistent, further detection it is double be hot standby communication it is whether normal, guarantee
Double reliabilities when being hot standby work.
Described is logic unit and be carry out self-test to this to being logic unit, and the self-test includes but is not limited to
FRAM self-test, Flash self-test, RTC read-write self-test, correspondence with foreign country initialization self-test, with to being communication initialization self-test, when described
This is logic unit and/or when to being that logic unit does not pass through self-test, then described is logic unit and/or to being logic unit
Cut off this be and externally between communication, output and with to the communication between being, and execute delay machine；Described is logic unit
And/or when to being that logic unit passes through self-test, described be logic unit with to being that logic unit carries out active and standby system competition.
Described is logic unit and further include first determining whether that this is logic when carrying out that active and standby system competes to being logic unit
Active and standby system's state of unit, then judge to the active and standby system's state for being logic unit.Specifically, described be logic unit with to being
Active and standby system's state of logic unit includes one or more of: this is logic unit and is principal series, sheet to being logic unit
Be logic unit with to be logic unit be standby system, described be that logic unit is standby system, this is that logic unit can not judge
To be logic unit active and standby system's state, described be that logic unit is standby system, described pair is that logic unit is principal series, described
It is logic unit is principal series, described pair is that logic unit is standby system.Wherein,
Described is logic unit and be principal series to being logic unit, then it is described it is double be hot standby for fault mode, it is described
This be logic unit with to being that logic unit is performed both by delay machine.
Described is logic unit and be standby system to being logic unit, described be logic unit with to being logic unit
Active and standby system's competition is carried out by board identifier, wherein defaulting this is that the board identifier of logic unit corresponds to principal series, then this is
Logic unit is principal series.Preferably, the corresponding board identifier of the principal series is 1110, and standby is that corresponding board identifier is
1101, if then described is the board identifier of logic unit when being 1110, this is based on logic unit described in system default
System.
Described is that logic unit is standby system, this is that logic unit can not judge to the active and standby system's state for being logic unit,
Described is logic unit judgement and whether communication between logic unit is interrupted to being, if described be logic unit with to being
Communication between logic unit is not interrupted, then described is that logic unit re-executes switching method described above, specifically, institute
Stating this is that logic unit reacquires and to the communication information for being；If described is logic unit and to being between logic unit
Communication disruption, then described be logic unit detection to being whether logic unit exports principal series status signal, if described is
Logic unit detect to be logic unit output principal series status signal, then described pair be logic unit be principal series, described
It is logic unit for for system；If being not detected to the principal series status signal for being logic unit output, this is logic unit upgrading
For principal series.
Further, described be logic unit and/or to be logic unit be in delay machine or it is standby be when, do not generate, export
Principal series status signal.Therefore, when this be logic unit or to be logic unit detection to being whether to export principal series status signal when,
If detecting to the principal series status signal for being, illustrate that being be principal series, exist if can't detect to the principal series status signal for being,
It has then failed to the other functions of being, this is to upgrade to principal series, and adapter tube control is exported and communicated, and realizes that double is that hot standby redundancy is cut
Change function；Preferably, the principal series status signal can be the pulse signal for the logic unit sending that competition is principal series, the arteries and veins
Rushing signal can be (but are not limited to) PWM life Dynamic Signal.
In the present embodiment, described is logic unit with to being before logic unit carries out active and standby system's competition, and described is
Logic unit be standby system to the init state for being logic unit.
Further, when described it is logic unit or when to being that logic unit breaks down as principal series, then is used as principal series
Logic unit execute automatic delay machine and cut off output with communicate, meanwhile, whether defeated detect principal series as the standby logic unit for being
Principal series status signal out, if can't detect, the logic unit as standby system upgrades to principal series, adapter tube control output with communicate and life
At, output principal series status signal.Acquire the principal series of the logic unit as standby system in real time preferably as the logic unit of principal series
Status signal shows the logic unit as standby system if the frequency of collected principal series status signal is consistent with predeterminated frequency
For principal series.
As shown in Fig. 2, illustrating so that this is logic unit as an example, described is that logic unit executes switching side
The step of method, is as follows,
S1, this be the board identifier that logic unit obtains that this is；
S2, this be that logic unit obtains this and is and to the communication information between being；
S3, this be that logic unit carries out self-test and if self-test does not pass through thens follow the steps S3-1；If self-test passes through, execute
Step S4；
S3-1, this be logic unit cutting output and communicate, and execute delay machine；
S4, this be whether be standby system to logic unit if judging that this is, if not this is the standby system of logic unit, then follow the steps
S4-1, this is logic unit if standby system, thens follow the steps S5；
S4-1, this be logic unit be principal series, then follow the steps S4-2；
S4-2, this be logic unit judges whether to being be principal series, if the two-node cluster hot backup is failure to being for principal series
Mode, described be logic unit with to being that logic unit executes delay machine；If described pair is that logic unit is not principal series, execute
Step S7；
S5, this be that logic unit judges to being whether logic unit is standby system, if it is not standby system that described pair, which is logic unit,
Then follow the steps S5-1；If described pair is that logic unit is standby system, S6 is thened follow the steps；
S5-1, this be that logic unit judges to being whether logic unit is principal series, if being principal series to being logic unit, this
It is logic unit for for system；If this is that logic unit is not principal series, S5-2 is thened follow the steps；
S5-2, this be logic unit judgement and to being whether communication between logic unit is interrupted, if this is logic unit
With to being that communication between logic unit is not interrupted, S2 is thened follow the steps；If this be logic unit with to being that logic unit is led to
Believe state interrupt, thens follow the steps S5-3；
S5-3, this be that logic unit judges to being whether logic unit generates principal series status signal, if to being logic unit
Principal series status signal is not generated, thens follow the steps S7；If this is logic unit to being that logic unit generates principal series status signal
For standby system；
S6, this be logic unit and active and standby system competition is carried out by board identifier to being logic unit, known by board
Alias default this be logic unit be principal series；
S7, this be logic unit be principal series；
S8, this be logic unit control output and communicate, and generate, export principal series status signal.
In the present embodiment, described above this be logic unit with to be logic unit, this be with to be, principal series and standby system
Be relative concept, it is described it is double be any system's logic unit in hot standby relative to itself be logic unit for this, relative to another
One logic unit be to being logic unit, this be with to be, principal series with for being similarly to repeat no more.
In the present embodiment, described be logic unit with to being that logic unit judges that this is or when to the active and standby system's state for being
Further including is to be defined with standby system, for example principal series is 0xAA to this using global variable, and standby system is 0x55, sheet when initialization
Be logic unit and/or be standby be 0x55 to being logic unit, if by after main and standby competition this be logic unit or standby system
Logic unit becomes principal series, then the global variable of the logic unit as principal series is revised as 0xAA.Meanwhile this is logic unit
Or to being logic unit by obtaining to the global variable data for being, determining to the active and standby system's state for being with to being to communicate.
As shown in figure 3, describing in the embodiment of the present invention a kind of applied to the double of automatic train operation system is hot standby system
System, this including being mutually redundant are logic unit and to being logic unit, wherein described be logic unit with to being logic list
Member includes, active and standby system's competition module for this be logic unit and to be logic unit with to being to carry out active and standby system competition；Letter
Number module occurs for generating, exporting this is logic unit and to the principal series status signal for being logic unit, further, the letter
Number occur module be also used to acquire to the principal series status signal for being output, therefore, described be logic unit signal occur mould
Block with to be logic unit signal generating module between communicated by wireless signal.
Preferably, the signal generating module is used to generate the principal series status signal and acquire to the principal series state for being that this is
Signal then shows when the frequency of collected principal series status signal is consistent with preset value to being for principal series, further preferably
, signal is directly generated and is checked by the CPU of logic unit, when described be logic unit or to be logic unit competition based on
Export the signal when being, delay machine or as it is standby be when do not generate the signal, the principal series status signal can be pwm pulse letter
Number.
Described be logic unit with to be logic unit also include board identifier acquisition module, first communication module,
Selftest module, wherein board identifier acquisition module is logic unit, to the board identifier for being logic unit for obtaining this,
Specifically, it is logic unit with for the active and standby system's relationship for being logic unit that the board identifier, which is used to distinguish this, further, go back
For distinguishing the other function unit of active and standby system's external connection.First communication module for realizing this is logic unit and right
It is logic unit and to the communication between being, further, described is logic unit and to being the first logical of logic unit
Believe that between module further include the first communication channel, it is preferred that first communication channel is that 2 road SBP being mutually redundant are communicated always
Line, the 2 road SBP communication bus is respectively SBP1 and SBP2.The selftest module, for be logic unit to this with to being to patrol
It collects unit and carries out self-test.The self-test includes but is not limited to FRAM self-test, Flash self-test, RTC reads and writes self-test, external CAN leads to
Letter initialization self-test, with to being SBP communication initialization self-test；It is logic unit and/or to being that logic unit is not led to when described
When crossing self-test, then described is logic unit and/or to being output and communication that logic unit cuts off that this is, and executes delay machine.
Described be logic unit with to being that logic unit also includes fault processing module and second communication module, failure
Processing module is logic unit and to being logic unit excision output and communicating for this, and executes delay machine；Second communication mould
Block is logic unit and to being output and communication between logic unit is external for realizing this, passes through the second communication mould
Block, double is hot standby realization input data acquisition, the externally functions such as output control, correspondence with foreign country.
In the present embodiment, active and standby system's competition module is led to according to signal generating module, board identifier acquisition module, first
Believe that module, selftest module, fault processing module, one of second communication module or combination carry out active and standby system and compete, competes and be
The logic unit of principal series then obtains the control for exporting with communicating, and the logic unit competed as standby system is then in hot standby state.
As shown in figure 4, also describing a kind of automatic train operation system, the automatic train operation in the embodiment of the present invention
System includes, output unit, communication unit, interface unit and described above this be logic unit with to being logic unit,
Described is logic unit, to being that logic unit, output unit, communication unit are connected to interface unit, wherein described is
Logic unit with to being that logic unit is mutually redundant, for realizing switching method described in preceding claim.It is described in Fig. 4
This be logic unit with to being that logic unit passes through 2 road sbp bus being mutually redundant and is communicatively coupled, to realize between active and standby system
Data interaction, wherein the 2 road SBP communication bus is respectively SBP1 and SBP2.Further, described be logic unit with it is right
Be that logic unit also carries out wireless communication, described be logic unit with to being that logic unit can be exported and be acquired to being defeated
Principal series status signal out, it is preferable that the principal series status signal is PWM life Dynamic Signal.The output unit, for real
Now this is logic unit and the external output to being logic unit；The communication unit is logic unit, to being for realizing this
Logic unit with externally between communicated；The interface unit includes 2 road power bus, is mutually redundant 2 road communication bus,
Board mark, for realizing this be logic unit, to be output of the logic unit respectively between output unit, communication unit,
Communication.Specifically, the power bus includes 5V, 24V power bus；The 2 road communication bus being mutually redundant be 2 roads each other
The CAN communication bus of redundancy, it is preferred that the CAN communication bus that 2 tunnel is mutually redundant is respectively CAN0 and CAN1, wherein institute
Stating CAN0 is principal series bus, and it is bus that CAN1, which is standby, such as when it is principal series that this, which is logic unit, then this is that logic unit passes through
CAN0 communication bus is connected to other units such as output unit, input unit, communication unit, control automatic train operation system
It exports and communicates；Output unit, input unit, communication unit connected by CAN1 communication bus to being logic unit as standby system
Member, standby system receives input unit, communication unit communication information, but does not send data.
The system also includes the power supply unit connecting with interface unit, input unit, recording units, wherein the electricity
Source unit, for realizing to the automatic train operation system power supply；The input unit is transported automatically for realizing the train
The input of row system acquires；The recording unit, for realizing the data record of the automatic train operation system.
Described is logic unit, to being that logic unit, output unit, communication unit, input unit, recording unit connect
It is connected in 2 road power bus, 2 road communication bus being mutually redundant and the interface identifier bus of the interface unit, the electricity
Source unit is respectively connected on the power bus of interface unit, controls the automatic train operation system to realize.
Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should manage
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (16)
- It applied to the double of automatic train operation system is hot standby switch method 1. a kind of, which is characterized in that the switching method packet It includes,This be logic unit with to being that logic unit carries out active and standby system competition；It described when being logic unit or being principal series to being logic unit competition, control output and communicates, and exports principal series state Signal.
- 2. according to claim 1 pair is hot standby switch method, which is characterized in that including carrying out one or more of master Standby system's competition:Described be logic unit with to be logic unit to be standby be when, then described be logic unit with to being logic unit Active and standby system's competition is carried out by board identifier；Described is that logic unit is standby system, to be logic unit not to be standby be when, then this is logic unit by judging to being Whether logic unit is that principal series carries out active and standby system's competition；Described is that logic unit is principal series, then this is logic unit by judging to being whether logic unit is that principal series is led Standby system's competition.
- 3. it is according to claim 2 it is double be hot standby switch method, which is characterized in that described be logic unit with to being to patrol Unit, which is collected, by the active and standby system's competition of board identifier progress includes,Defaulting this is that the board identifier of logic unit corresponds to principal series, then it is principal series that this, which is logic unit,.
- 4. according to claim 2 pair is hot standby switch method, which is characterized in that described is that logic unit is standby system, To be logic unit not to be standby be when, then this is logic unit by judge to being whether logic unit is the active and standby system of principal series progress Competition includes,Described pair is that logic unit is principal series, then it is standby system that this, which is logic unit,；Described pair is that logic unit is not principal series, then described is logic unit detection and to being that communication between logic unit is No not interrupt to interrupt if communicating, this is that logic unit continues to obtain and to the communication information between being；If in communication Disconnected, then this is logic unit detection to being whether logic unit exports principal series status signal, if detecting principal series status signal, This is that logic unit is standby system, if principal series status signal is not detected, this is that logic unit upgrades to principal series.
- 5. according to claim 2 pair is hot standby switch method, which is characterized in that described is that logic unit is principal series, Then this be logic unit by judge to be logic unit whether be principal series carry out active and standby system and compete include,Described pair is that logic unit is principal series, then it is described it is double be hot standby for malfunction, described be logic unit with to being to patrol It collects unit and is performed both by delay machine；Described pair is that logic unit is not principal series, then it is principal series that this, which is logic unit,.
- 6. according to claim 1 pair is hot standby switch method, which is characterized in that further includes before active and standby system's competition This be logic unit with to being one or more of operation information that logic unit obtains that this is respectively,Described be logic unit with to be logic unit obtain respectively the board identifier that this is, described be logic unit with To being that logic unit obtains and be logic unit and be to carry out to this to being logic unit to the communication information for being, described respectively Self-test.
- 7. it is according to claim 1 it is double be hot standby switch method, which is characterized in that described be logic unit with to being to patrol The init state for collecting unit is standby system.
- 8. according to claim 1 pair is hot standby switch method, which is characterized in that the method also includes,It is logic unit or to being logic unit as principal series when described, and when breaking down, then principal series executes delay machine and cuts Except output with communicate, meanwhile, standby is to detect whether principal series exports principal series status signal, standby if can't detect principal series status signal System upgrades to principal series, and control is exported and communicated, and exports principal series status signal.
- 9. it is according to claim 6 it is double be hot standby switch method, which is characterized in that described be logic unit with to being to patrol Collecting unit is to carry out self-test to include to this,Described is logic unit and/or does not pass through to being logic unit to the self-test that this is, then described be logic unit and/ Or to being logic unit excision output and communicating, and execute delay machine.
- It applied to the double of automatic train operation system is hot-backup system 10. a kind of, which is characterized in that this including being mutually redundant is Logic unit and to being logic unit, wherein described be logic unit with to being that logic unit includes,Active and standby system competes module, for this be logic unit with to being that logic unit carries out active and standby system competition；Signal generating module generates, output principal series state when being logic unit for this or being principal series to being logic unit competition Signal.
- 11. it is according to claim 10 it is double be hot-backup system, which is characterized in that described be logic unit with to being logic Unit also includes,Board identifier acquisition module is logic unit, to the board identifier for being logic unit for obtaining this；First communication module is logic unit and to being logic unit and to the communication between being for realizing this；Selftest module, for this be logic unit with to being that logic unit carries out self-test.
- 12. it is according to claim 10 it is double be hot-backup system, which is characterized in that described be logic unit with to being logic Unit also includes,Fault processing module is logic unit and to being logic unit excision output and communicating for this, and executes delay machine.
- 13. it is according to claim 10 it is double be hot-backup system, which is characterized in that described be logic unit with to being logic Unit also includes,Second communication module is logic unit and to being output and communication between logic unit is external for realizing this.
- 14. a kind of automatic train operation system, which is characterized in that the automatic running system includes output unit, communication unit Member, interface unit and any described this of claim 10-13 are logic unit with to being logic unit, and described is logic Unit, to being that logic unit, output unit, communication unit are connected to interface unit, whereinDescribed be logic unit with to being logic unit for realizing any switching method of claim 1-9；The output unit is logic unit and to being output between logic unit is external for realizing this；The communication unit is logic unit and to being communication between logic unit is external for realizing this；The interface unit is logic unit, to being logic unit respectively between output unit, communication unit for realizing this Output, communication.
- 15. automatic train operation system according to claim 14, which is characterized in that the automatic running system is also wrapped It includes, power supply unit, the input unit, recording unit being connect with interface unit, whereinThe power supply unit, for realizing to the automatic running system power supply；The input unit acquires for realizing the input of the automatic running system；The recording unit, for realizing the data record of the automatic running system.
- 16. automatic train operation system according to claim 14 or 15, which is characterized in that the interface unit includes 2 Road power bus, 2 road communication bus being mutually redundant, board mark.
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| CN201910012599.3A CN109823375A (en) | 2019-01-07 | 2019-01-07 | A kind of applied to the double of automatic train operation system is hot standby switch method and system |
| PCT/CN2019/105218 WO2020143243A1 (en) | 2019-01-07 | 2019-09-10 | Dual-system hot backup switching method and system applied to automatic running system of train |
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