CN106773862A - A kind of rectifier combining system and its control method - Google Patents
A kind of rectifier combining system and its control method Download PDFInfo
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- CN106773862A CN106773862A CN201611262586.4A CN201611262586A CN106773862A CN 106773862 A CN106773862 A CN 106773862A CN 201611262586 A CN201611262586 A CN 201611262586A CN 106773862 A CN106773862 A CN 106773862A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The embodiment of the invention discloses a kind of rectifier combining system and its control method, the method includes：The competition signal of other rectifiers transmission is received, wherein the competition signal includes the identifier of rectifier；The identifier in the competition signal is obtained, the identifier is the identifier of other rectifiers；Identifier in the competition signal determines whether to exit main frame competition；If not exiting the main frame competition, judge whether the competition signal is received in Preset Time；If the competition signal is not received in the Preset Time, labeled as main frame.Therefore when the main frame of combining system breaks down, both meet race condition, main frame is used as from new selection slave by the control method, be stopped so as to avoid the combining system.
Description
Technical field
The present invention relates to field of power electronics, more particularly to a kind of rectifier combining system and its control method.
Background technology
At present, in high-power electrical transmission field, be related to high power load, unit can not meet demand, it is necessary to
Carry out multimachine and machine, it is such to lack using hardware and machine more than traditional and machine mode, or using fixed master-slave control method
Point is that once main frame goes wrong, whole system is just paralysed, and such system is very inflexible, and reliability is also excessively poor.
CAN (Controller Area Network, CAN) bus is host bus more than.The bus can be supported more
Many and machine quantity, on all nodes in bus, either main frame or slave, can independently initiate data transfer.
CAN does not use physical address mode to transmit data, but each data-message has the identifier of oneself for recognizing this
Node in bus.CAN carries out information transmission in units of message, identifier ID is included in message, while the identifier
The priority of message is indicated.Therefore multiple rectifiers are realized based on CAN and is unified into and machine is achieved.
The content of the invention
The embodiment provides a kind of rectifier combining system and its control method, go out in the main frame of combining system
During existing failure, main frame is referred to as by way of competition from function, it is to avoid combining system is stopped.
First aspect, there is provided a kind of control method of rectifier combining system, the combining system passes through including multiple
The rectifier that CAN is communicated, the control method includes：
The competition signal of other rectifiers transmission is received, wherein the competition signal includes the identifier of rectifier；
Obtain the identifier in the competition signal；
Identifier in the competition signal determines whether to exit main frame competition；
If not exiting the main frame competition, judge whether the competition signal is received in Preset Time；
If the competition signal is not received in the Preset Time, labeled as main frame.
Second aspect, additionally provides a kind of rectifier combining system, and the combining system includes that multiple is entered by CAN
The rectifier of row communication, the rectifier includes：
Receiver module, the competition signal for receiving the transmission of other rectifiers, wherein the competition signal includes rectifier
Identifier；
Acquisition module, for obtaining the identifier in the competition signal；
Determining module, determines whether to exit main frame competition for the identifier in the competition signal；
Judge module, if for not exiting the main frame competition, judging whether the competition is received in Preset Time
Signal；
Mark module, if for not receiving the competition signal in the Preset Time, labeled as main frame.
Embodiments of the invention are by receiving the competition signal that other rectifiers send, wherein the competition signal is including whole
Flow the identifier of device；The identifier in the competition signal is obtained, the identifier is the identifier of other rectifiers；According to described
Identifier in competition signal determines whether to exit main frame competition；If not exiting the main frame competition, judge in Preset Time
Whether the competition signal is received；If the competition signal is not received in the Preset Time, labeled as main frame.Cause
This both meets race condition when the main frame of combining system breaks down, and is used as from new selection slave by the control method
Main frame, is stopped so as to avoid the combining system.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, embodiment will be described below needed for be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of rectifier combining system provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow diagram of the control method of rectifier combining system provided in an embodiment of the present invention；
Fig. 3 is the sub-step schematic flow diagram of the step S101 in Fig. 2；
Fig. 4 is another sub-step schematic flow diagram of the step S101 in Fig. 2；
Fig. 5 is the sub-step schematic flow diagram of the step S107 in Fig. 2；
Fig. 6 is the schematic block diagram of rectifier in a kind of rectifier combining system provided in an embodiment of the present invention；
Fig. 7 is another schematic block diagram of rectifier in a kind of rectifier combining system provided in an embodiment of the present invention；
Fig. 8 is another schematic block diagram of rectifier in a kind of rectifier combining system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be appreciated that when using in this specification and in the appended claims, term " including " and "comprising" instruction
The presence of described feature, entirety, step, operation, element and/or component, but it is not precluded from one or more of the other feature, whole
The presence or addition of body, step, operation, element, component and/or its set.
Fig. 1 is referred to, Fig. 1 is a kind of structural representation of rectifier combining system provided in an embodiment of the present invention.Such as Fig. 1
Shown, the rectifier combining system includes CAN 10 and constitutes rectifier unit 20, rectification by multiple rectifiers in parallel
Multiple rectifiers of device unit 20 are communicated by CAN 10.Wherein, CAN 10 can be twisted-pair feeder, respectively twist
Line 11 and twisted wire 12；Rectifier unit 20 includes multiple rectifiers, respectively rectifier 21, rectifier 22, rectifier 23, rectification
Device 24, rectifier 25 and rectifier 26, the particular number of rectifier are not limited, or more, and wherein rectifier is three
Phase PWM rectifier.Multiple rectifiers include main frame and slave, complete corresponding master ＆ slave control, but are main frame or slave,
Carrying out communication by CAN can independently initiate data transfer in the form of message, and each data message has certainly
Oneself identifier is used for recognizing the node of CAN, and wherein identifier has also indicated the priority of message, is sent when there is message
During conflict, arbitrated using identifier.Message node with highest priority continues to send without influence, and other nodes are certainly
Dynamic to stop paying out, when bus free, other nodes retransmit message automatically.Main frame sends broadcast message in required time to slave, than
Such as, host broadcast sends once per 50ms, and main frame sends a message per 300ms to slave.Slave sends to main frame per 300ms
Message.
Additionally, rectifier different in multiple rectifiers correspond to different identifiers, table 1 is specifically refer to, table 1 is whole
The corresponding identifier of stream device.
| Rectifier | Rectifier 21 | Rectifier 22 | Rectifier 23 | Rectifier 24 | Rectifier 25 | Rectifier 26 |
| Identifier | 1# | 2# | 3# | 4# | 5# | 6# |
Fig. 2 is referred to, Fig. 2 is a kind of signal stream of the control method of rectifier combining system provided in an embodiment of the present invention
Cheng Tu, the control method of the rectifier combining system is applied to the rectifier combining system of above-described embodiment, and combines above-mentioned reality
The rectifier combining system for applying example is described in detail to the control method.As shown in Fig. 2 the control of the rectifier combining system
Method includes step S101~S109.
S101, judge whether the combining system meets race condition.
In an embodiment of the present invention, the combining system includes multiple rectifiers communicated by CAN, rectification
Device includes the rectifier as main frame and the rectifier as slave.Led to prevent the rectifier as main frame from breaking down
Cause whole system paralysis.Using the control method, it is necessary first to judge whether the combining system meets by each rectifier
Race condition, the race condition mainly including the control system main frame failure situation or newly increased slave etc..
Main frame failure situation based on the control system, as shown in figure 3, step S101 include sub-step S1011a~
S1011c.S1011a, the broadcast singal for detecting the CAN, wherein the broadcast singal is main frame in the combining system
With the signal that the forms of broadcasting send to slave；S1011b, judged according to detecting result in the combining system with the presence or absence of main frame；
If there is no main frame in S1011c, the combining system, judge that the combining system meets race condition.Each operation from
The broadcast singal that machine (i.e. as the rectifier of slave) detecting real-time main frame is sent by CAN, if master can be detected
The broadcast singal that machine sends, then judge that the combining system has main frame and meets race condition, the step of the control method is not performed；
If detecting the broadcast singal sent less than main frame, judge that the combining system does not have main frame and is then unsatisfactory for race condition, continue
The step of performing the control method.It should be noted that the situation of multiple main frames is there may be in combining system in order to tackle,
It is described to be judged in the combining system with the presence or absence of after main frame according to detecting result, also include：If being deposited in the combining system
In main frame, judge to whether there is multiple rectifiers as main frame in the combining system；If there is multiple in the combining system
Rectifier as main frame, the identifier according to multiple rectifiers set the rectifier with minimum identifier as main frame and
Other rectifiers are slave in the multiple rectifier.
Based on the situation for having newly increased slave, as shown in figure 4, step S101 includes sub-step S1012a~S1012b.
Whether there is new rectifier to start shooting in S1012a, the detecting combining system；If having new whole in S1012b, the combining system
Stream device start, then judge that the combining system meets race condition.The slave (i.e. as the rectifier of slave) of each operation is real
When detect whether the combining system has new rectifier start or access start, if new rectifier can be detected opened
Machine, then judge that the combining system meets race condition, the step of perform the control method；If detecting is less than there is new rectifier
Start, then judge that the combining system does not meet race condition, the step of the control method is not performed.
It should be noted that judging whether the combining system meets race condition, other concrete conditions are may also include,
This is not limited.
If S102, the combining system meet the race condition, the identifier of rectifier itself is obtained.
In an embodiment of the present invention, if each rectifier of combining system judges that the combining system meets above-mentioned competition
Condition, the i.e. combining system without main frame or have a situation of new rectifier start.Each rectifier obtains rectifier certainly
The identifier of body.Such as rectifier 21 is main frame, causes the whole system not have masters scenario if rectifier 21 breaks down, its
The combining system that his rectification is detected now meets race condition, 24 points of rectifier 22, rectifier 23 and the rectifier for both having run
Huo Qu not identifier 2#, identifier 3# and identifier 3#.
S103, the default transmission cycle according to the selection of the identifier of the rectifier itself corresponding thereto.
In an embodiment of the present invention, the default transmission axial period refers to that rectifier is transmitted signal according to the cycle
Transmission cycle, different rectifier correspond to the different default transmission cycles, be in particular in the corresponding difference of different identifiers
The default transmission cycle in transmission cycle, such as identifier 2# is 2s, and the default transmission cycle of identifier 3# is 4s, identifier 4#'s
The default transmission cycle is 8s, and s represents the second.The time quantum and specific numeral for wherein presetting the transmission cycle are not limited, specific root
Depending on time situation.
S104, according to the default transmission cycle to other rectifiers send competition signal.
In an embodiment of the present invention, each rectifier sends to other rectifiers according to the default transmission cycle and competes
Signal, wherein competition signal is used to represent competition main frame.Such as, the default transmission cycle of identifier 2# specifically refer to rectification for 2s
Device 22 sends to other rectifiers (rectifier in addition to rectifier 22) of combining system every 2s and once competes signal, rectification
Device 23 and rectifier 24 send to other rectifiers of combining system every 4s, 8s once compete signal respectively.
S105, the competition signal for receiving the transmission of other rectifiers, wherein the competition signal includes the identifier of rectifier.
In an embodiment of the present invention, it is competing that other rectifiers that each rectifier can be received in the combining system send
Contention signal, wherein, the competition signal includes that the identifier of rectifier specifically refers to competition signal and includes sending the competition signal
Rectifier identifier, such as rectifier 22 receives the competition signal that rectifier 23 and rectifier 24 send, the competition signal
In include the identifier 3# and 4# of rectifier 23 and rectifier 24.
S106, the identifier obtained in the competition signal.
In an embodiment of the present invention, after each rectifier can receive the competition signal of other rectifiers transmission, solve
The identifier in the competition signal acquisition competition signal is analysed, such as rectifier 22 receives acquisition rectifier 23 and rectifier 24
The competition signal for sending respectively, obtains the identifier 3# and 4# in the two competition signals respectively.
S107, the identifier in the competition signal determine whether to exit main frame competition.
In an embodiment of the present invention, the identifier in the competition signal determines whether to exit main frame competition, tool
Body is realized by way of can demarcating priority identifier, based on this, as shown in figure 5, step S107 includes sub-step
S107a~S107b.S107a, judge identifier in the competition signal whether less than the rectifier identifier of itself；
If the identifier in S107b, the competition signal exits main frame competition less than the rectifier identifier of itself.Such as, it is whole
Stream device 24 judges whether the identifier 2# of the competition signal that rectifier 22 sends is less than the identifier 4# of rectifier 24, it is clear that can be with
Judge it is that identifier 2# is less than identifier 4#, then rectifier 24 exits main frame competition, stop sending competition signal, and this is whole
Slave of the stream device labeled as combining system.
If S108, not exiting main frame competition, judge whether the competition signal is received in Preset Time.
In an embodiment of the present invention, the Preset Time is relevant with the default transmission cycle, it is necessary to be more than the default transmission cycle,
Concrete numerical value is not limited herein, is set according to actual conditions.If not exiting the rectifier of the main frame competition, judge
Whether the competition signal of other rectifiers transmission is received in Preset Time, if being not received by other rectifiers sends competition
Signal can determine that other rectifiers have all stopped sending competition signal, exit main frame competition.
If S109, the competition signal is not received in the Preset Time, labeled as main frame.
In an embodiment of the present invention, if not receiving the competition signal in the Preset Time, show that other are whole
Stream device has logged out main frame competition, and it oneself is main frame that the rectifier can then be marked.Therefore when event occurs in the main frame of combining system
When hindering or have new rectifier to start shooting, race condition is both met, main frame is used as from new selection slave by the control method, from
And avoid the combining system and be stopped.The control method of the combining system so that any one rectifier can turn into
Main frame, makes main frame very flexible, and is to compete realization automatically by software, it is not necessary to manual intervention, reduces artificial dimension
The difficulty of shield, also greatly improves the stability of system.By many and machine, main frame is competed automatically, once slave breaks down,
Slave can directly be repaired with online plug slave, shut down without whole system, greatly improve field operation
Efficiency.Fully rely on software and realize multimachine and machine, without hardware cost is increased, lack the flexibility for greatly improving product.
Fig. 6 is referred to, Fig. 6 is the schematic frame of rectifier in a kind of rectifier combining system provided in an embodiment of the present invention
Figure.As shown in fig. 6, rectifier 200 includes in the rectifier combining system：First judge module 201, the first acquisition module 202,
Selecting module 203, sending module 204, receiver module 205, acquisition module 206, determining module 207, judge module 208 and mark
Module 209.
First judge module 201, for judging whether the combining system meets race condition.Wherein, using this and machine
The control method of system, it is necessary first to judge whether the combining system meets race condition by each rectifier, the competition
Condition mainly including the control system main frame failure situation or newly increased slave etc..
Main frame failure situation based on the control system, as shown in fig. 7, the first judge module 201 is specifically included：The
One detecting submodule 2011a, the first judging submodule 2011b and the first decision sub-module 2011c, the first detecting submodule
2011a, the broadcast singal for detecting the CAN, wherein the broadcast singal be the combining system in main frame with wide
Broadcast the signal that form sends to slave；First judging submodule 2011b, in judging the combining system according to detecting result
With the presence or absence of main frame；First decision sub-module 2011c, if for there is no main frame in the combining system, judge described in simultaneously
Machine system meets race condition.
Based on the situation for having newly increased slave, as shown in figure 8, the first judge module 201 specifically also includes：Second detecting
Module 2012a and the second decision sub-module 2012b, the second detecting submodule, for detecting in the combining system whether have new
Rectifier start；Second decision sub-module, if for there is new rectifier to start shooting in the combining system, described in judgement simultaneously
Machine system meets race condition.
First acquisition module 202, if meeting the race condition for the combining system, obtains the mark of rectifier itself
Know symbol.Specifically, such as rectifier 21 is main frame, causes the whole system not have masters scenario if rectifier 21 breaks down,
The combining system that other rectifications are detected now meets race condition, rectifier 22, rectifier 23 and the rectifier 24 for both having run
Identifier 2#, identifier 3# and identifier 3# are obtained respectively.
Selecting module 203, for the default transmission week according to the selection of the identifier of the rectifier itself corresponding thereto
Phase.Wherein, the default axial period that sends refers to the transmission cycle that rectifier is transmitted signal according to the cycle, different rectifications
Device correspond to the different default transmission cycles, be in particular in different identifiers corresponding different transmission cycles, such as identifier
The default transmission cycle of 2# is 2s, and the default transmission cycle of identifier 3# is 4s, and the default transmission cycle of identifier 4# is 8s, s
Represent the second.
Sending module 204, for sending competition signal to other rectifiers according to the default transmission cycle.Such as, mark
Know the default transmission cycle of symbol 2# and (remove rectifier to other rectifiers of combining system every 2s for 2s specifically refers to rectifier 22
Rectifier beyond 22) send and once compete signal, rectifier 23 and rectifier 24 respectively every 4s, 8s to combining system its
His rectifier sends and once competes signal.
Receiver module 205, the competition signal for receiving the transmission of other rectifiers, wherein the competition signal includes rectification
The identifier of device.In, the competition signal includes that the identifier of rectifier specifically refers to competition signal and includes sending competition letter
Number rectifier identifier, such as rectifier 22 receives the competition signal that rectifier 23 and rectifier 24 send, competition letter
Include the identifier 3# and 4# of rectifier 23 and rectifier 24 in number.
Acquisition module 206, for obtaining the identifier in the competition signal.Specifically, each rectifier can be received
After the competition signal that other rectifiers send, the identifier in the competition signal acquisition competition signal, such as rectification are parsed
Device 22 is received and obtains the competition signal that rectifier 23 and rectifier 24 send respectively, in obtaining the two competition signals respectively
Identifier 3# and 4#.
Determining module 207, determines whether to exit main frame competition for the identifier in the competition signal.Specifically may be used
To be realized by way of demarcating priority identifier, based on this, determining module 207 is specifically included：Identifier judges submodule
Block 2071 and exit competition submodule 2072, identifier judging submodule 2071, for judge it is described competition signal in mark
Whether symbol is less than the rectifier identifier of itself；Competition submodule 2072 is exited, if for the mark in the competition signal
Symbol is known less than the rectifier identifier of itself, exits main frame competition.Such as, rectifier 24 judges the competing of the transmission of rectifier 22
Whether the identifier 2# of contention signal is less than the identifier 4# of rectifier 24, it is clear that may determine that it is that identifier 2# is less than identifier
4#, then rectifier 24 exit main frame competition, stop send competition signal.
Judge module 208, if for not exiting main frame competition, judging whether to be received in Preset Time described competing
Contention signal.Wherein, the Preset Time is relevant with the default transmission cycle, it is necessary to be more than the default transmission cycle, and concrete numerical value is herein not
Limit, set according to actual conditions.If not exiting the rectifier of main frame competition, judge in Preset Time whether
The competition signal of other rectifiers transmission is received, it can be determined if being not received by other rectifiers and sending competition signal
His rectifier has all stopped sending competition signal, exits main frame competition.
Mark module 209, if for not receiving the competition signal in the Preset Time, labeled as main frame.
Specifically, if not receiving the competition signal in the Preset Time, show that other rectifiers have logged out main frame competition,
It oneself is main frame that the rectifier can then be marked.Therefore when the main frame of combining system breaks down or has new rectifier to start shooting
When, both meet race condition, main frame is used as from new selection slave by the control method, stop so as to avoid the combining system
Only work.
It is apparent to those skilled in the art that, for convenience of description and succinctly, the end of foregoing description
End and the specific work process of unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
Step in present invention method can according to actual needs carry out order adjustment, merge and delete.
Unit in embodiment of the present invention terminal can according to actual needs be merged, divides and deleted.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (10)
1. a kind of control method of rectifier combining system, the combining system includes multiple being communicated by CAN
Rectifier, it is characterised in that methods described includes：
The competition signal of other rectifiers transmission is received, wherein the competition signal includes the identifier of rectifier；
Obtain the identifier in the competition signal；
Identifier in the competition signal determines whether to exit main frame competition；
If not exiting the main frame competition, judge whether the competition signal is received in Preset Time；
If the competition signal is not received in the Preset Time, labeled as main frame.
2. the control method of rectifier combining system according to claim 1, it is characterised in that to receive other whole described
Before stream device presses the competition signal for sending in the default transmission cycle, also include：
Judge whether the combining system meets race condition；
If the combining system meets the race condition, the identifier of rectifier itself is obtained；
Identifier according to the rectifier itself selects the default transmission cycle corresponding thereto；
Competition signal is sent to other rectifiers according to the default transmission cycle.
3. the control method of rectifier combining system according to claim 2, it is characterised in that described in the judgement and machine
Whether system meets race condition, including：
Detect the broadcast singal of the CAN, wherein the broadcast singal be the combining system in main frame with the forms of broadcasting
To the signal that slave sends；
Judged to whether there is main frame in the combining system according to detecting result；
If there is no main frame in the combining system, judge that the combining system meets race condition.
4. the control method of rectifier combining system according to claim 2, it is characterised in that described in the judgement and machine
Whether system meets race condition, also includes：
Whether detect has in the combining system new rectifier to start shooting；
If there is new rectifier to start shooting in the combining system, judge that the combining system meets race condition.
5. the control method of the rectifier combining system according to claim 3 or 4, it is characterised in that described in the basis
Identifier in competition signal determines whether to exit main frame competition, specifically includes：
Judge the identifier in the competition signal whether less than the rectifier identifier of itself；
If the identifier in the competition signal exits main frame competition less than the rectifier identifier of itself.
6. a kind of rectifier combining system, the combining system includes multiple rectifiers communicated by CAN, and it is special
Levy and be, the rectifier includes：
Receiver module, the competition signal for receiving the transmission of other rectifiers, wherein the competition signal includes the mark of rectifier
Know symbol；
Acquisition module, for obtaining the identifier in the competition signal；
Determining module, determines whether to exit main frame competition for the identifier in the competition signal；
Judge module, if for not exiting the main frame competition, judging whether the competition signal is received in Preset Time；
Mark module, if for not receiving the competition signal in the Preset Time, labeled as main frame.
7. rectifier combining system according to claim 6, it is characterised in that the rectifier also includes：
First judge module, for judging whether the combining system meets race condition；
First acquisition module, if meeting the race condition for the combining system, obtains the identifier of rectifier itself；
Selecting module, for the default transmission cycle according to the selection of the identifier of the rectifier itself corresponding thereto；
Sending module, for sending competition signal to other rectifiers according to the default transmission cycle.
8. rectifier combining system according to claim 6, it is characterised in that first judge module, specifically includes：
First detecting submodule, the broadcast singal for detecting the CAN, wherein the broadcast singal is described and machine system
The signal that main frame is sent with the forms of broadcasting to slave in system；
First judging submodule, for being judged to whether there is main frame in the combining system according to detecting result；
First decision sub-module, if for there is no main frame in the combining system, judging that the combining system meets competition
Condition.
9. rectifier combining system according to claim 8, it is characterised in that first judge module, specifically also wraps
Include：
Whether the second detecting submodule, have in the combining system new rectifier to start shooting for detecting；
Second decision sub-module, if for there is new rectifier to start shooting in the combining system, judging that the combining system is expired
Sufficient race condition.
10. rectifier combining system according to claim 6, it is characterised in that the determining module, specifically includes：
Identifier judging submodule, for judging the identifier in the competition signal whether less than the rectifier mark of itself
Know symbol；
Competition submodule is exited, if being moved back less than the rectifier identifier of itself for the identifier in the competition signal
Go out main frame competition.
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| CN109374935A (en) * | 2018-11-28 | 2019-02-22 | 武汉精能电子技术有限公司 | A kind of electronic load parallel operation method and system |
| CN109412392A (en) * | 2018-11-16 | 2019-03-01 | 蔡晓 | A kind of multichannel power parallel machine system and method |
| CN110780589A (en) * | 2019-11-08 | 2020-02-11 | 航天柏克(广东)科技有限公司 | Contention generation method of host |
| CN110850770A (en) * | 2019-11-08 | 2020-02-28 | 航天柏克(广东)科技有限公司 | Multi-host quick judgment and quitting method |
| CN111182086A (en) * | 2018-11-13 | 2020-05-19 | 南京南瑞继保电气有限公司 | CAN bus address allocation method and device based on one-master multi-slave module |
| CN112738176A (en) * | 2020-12-23 | 2021-04-30 | 欧普照明股份有限公司 | Wired communication bus communication method and system |
| CN117176685A (en) * | 2023-11-03 | 2023-12-05 | 广东省洛仑兹技术股份有限公司 | ID competition method, device and storage medium |
| CN117176685B (en) * | 2023-11-03 | 2024-04-30 | 广东省洛仑兹技术股份有限公司 | ID competition method, device and storage medium |
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