CN105955160A - Method, device and system for monitoring signals of frequency converter control system - Google Patents
Method, device and system for monitoring signals of frequency converter control system Download PDFInfo
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- CN105955160A CN105955160A CN201610318725.4A CN201610318725A CN105955160A CN 105955160 A CN105955160 A CN 105955160A CN 201610318725 A CN201610318725 A CN 201610318725A CN 105955160 A CN105955160 A CN 105955160A
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- frequency converter
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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
- G05B19/048—Monitoring; Safety
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a method for monitoring signals of a frequency converter control system, which comprises the steps of acquiring signal transmission state information fed back by components in the frequency converter control system, and recording the signal transmission state. The method disclosed by the invention monitoring for signal transmission conditions in the frequency converter control system is realized through acquiring and recording the signal transmission state information fed back by the components in the frequency converter control system, problems of the accuracy and the reliability of signal transmission in the frequency converter control system are solved, and a problem of rapid fault processing when signal transmission is abnormal is solved. The invention further discloses a device and a system for monitoring the signals of the frequency converter control system.
Description
Technical field
The present invention relates to electric and electronic technical field, particularly to a kind of frequency converter control system signal monitoring
Method, Apparatus and system.
Background technology
Along with developing rapidly of Power Electronic Technique and automatic control technology, the operation strategies of converter more comes
The most extensive, the requirement to frequency converter control system is more and more diversified.
Frequency converter control system is made from multiple components, and a large amount of control signals are transmitted between each parts, with reality
The now control to converter.At present, in frequency converter control system, signal transmission uses forward mode, each portion
Agreement is made to the accuracy ensureing signal and transmitting and reliability between part.But, because lacking feedback prison
Control mechanism, it is impossible to learn transmission state signal in frequency converter control system, it is impossible to detect that signal exists in time
The exception of concrete link, causes signal fault to repair in time.
Therefore, how monitoring the transmission state of signal in frequency converter control system is those skilled in the art's mesh
The front problem needing to solve.
Summary of the invention
It is an object of the invention to provide a kind of frequency converter control system signal monitoring method and device, be used for solving
The certainly problem of signal condition monitoring in frequency converter control system.It is a further object of the present invention to provide a kind of bag
Include the frequency converter control system of said method and device.
For achieving the above object, the present invention provides following technical scheme:
A kind of frequency converter control system signal monitoring method, including:
Obtain the transmission state signal information of frequency converter control system inner part feedback；Wherein, described signal
Transmission state information includes: the signal of parts sends the signal of status information and/or parts and receives state letter
Breath；
Record described transmission state signal information.
Wherein, the transmission state signal information of described acquisition frequency converter control system inner part feedback, including:
Choose specified parts in frequency converter control system；
Obtain the transmission state signal information of described specified parts.
Wherein, described frequency converter control system signal monitoring method, also include:
Judge that the transmission state signal information of described specified parts is the most identical with the information reporting an error in list；
The most described specified parts of this transmission state signal information and/or its correspondence is reported an error.
Wherein, described frequency converter control system signal monitoring method, also include:
Periodically the described list that reports an error is updated.
The embodiment of the present invention also provides for a kind of ARM chip, including:
Acquisition module, for obtaining the transmission state signal information of described frequency converter control system inner part；
Logging modle, for recording the transmission state signal information of described frequency converter control system inner part.
Wherein, described acquisition module includes:
Select unit, be used for choosing specified parts in frequency converter control system；
Acquiring unit, for obtaining the transmission state signal information of described specified parts.
Wherein, described frequency converter control system signal monitoring apparatus, also include:
Analyze module, be used for the transmission state signal information judging described specified parts and report an error in list
Information is the most identical；
Report an error module, for the transmission state signal information identical with information in the list that reports an error and/or it is right
The described specified parts answered reports an error.
Wherein, described frequency converter control system signal monitoring apparatus, also include:
More new module, for being periodically updated the described list that reports an error.
The embodiment of the present invention also provides for a kind of frequency converter control system, including ARM chip described above.
Based on technique scheme, the frequency converter control system signal monitoring method that the embodiment of the present invention provides,
Compared to existing frequency converter control system, it is additionally arranged feedback monitoring mechanism, by obtaining and recording converter
The transmission state signal information of control system inner part feedback, it is achieved that to signal in frequency converter control system
The monitoring of status transmission, solves the accuracy of signal transmission, integrity problem in frequency converter control system,
And fault during signal transmission abnormality quickly processes problem.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
A kind of frequency converter control system signal monitoring method flow chart that Fig. 1 is provided by the embodiment of the present invention；
A kind of frequency converter control system inner part signal that obtains that Fig. 2 is provided by the embodiment of the present invention transmits
Status information flow chart；
A kind of status signal feedback procedure example that Fig. 3 is provided by the embodiment of the present invention；
The another kind of status signal feedback procedure example that Fig. 4 is provided by the embodiment of the present invention；
Another status signal feedback procedure example that Fig. 5 is provided by the embodiment of the present invention；
Another status signal feedback procedure example that Fig. 6 is provided by the embodiment of the present invention；
Another status signal feedback procedure example that Fig. 7 is provided by the embodiment of the present invention；
Another status signal feedback procedure example that Fig. 8 is provided by the embodiment of the present invention；
The another kind of frequency converter control system signal monitoring method flow chart that Fig. 9 provides for the embodiment of the present invention；
Another frequency converter control system signal monitoring method flow process that Figure 10 provides for the embodiment of the present invention
Figure；
A kind of frequency converter control system inner part signal that Figure 11 provides for the embodiment of the present invention transmits and state
Information feedback example；
A kind of ARM chip structure block diagram that Figure 12 is provided by the embodiment of the present invention；
The another kind of ARM chip structure block diagram that Figure 13 is provided by the embodiment of the present invention；
Another ARM chip structure block diagram that Figure 14 is provided by the embodiment of the present invention；
A kind of structured flowchart of the acquisition module that Figure 15 is provided by the embodiment of the present invention；
The double OMAP+FPGA framework of a kind of frequency converter control system that Figure 16 is provided by the embodiment of the present invention.
Detailed description of the invention
The core of the present invention is to provide a kind of frequency converter control system signal monitoring method and device, the method
It is capable of the monitoring of transmission state signal to frequency converter control system inner part, and then solves frequency conversion
The accuracy of signal transmission, integrity problem, and fault during signal transmission abnormality in device control system
Quickly process problem.
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
A kind of frequency converter control system signal monitoring method flow chart that Fig. 1 is provided by the embodiment of the present invention,
Can be used for the monitoring of status signal transmission in frequency converter control system.With reference to Fig. 1, the method may include that
Step S100, obtains the transmission state signal information of frequency converter control system inner part feedback；Optional
, the specified parts chosen, can be whole parts；Optionally, the transmission state signal information of acquisition,
Can be the signal transmission status information of parts, can be the signal receiving status information of parts, it is also possible to
It is both.
Step S200, records described transmission state signal information.
Preferably, with reference to Fig. 2, step S100 may include that
Step S110, chooses specified parts in frequency converter control system；
Optionally, the specified parts chosen can be arbitrarily designated according to user's request, as user can basis
Historical failure record, counts failure-frequency and the probability of frequency converter control system inner part, it is intended that some
The parts that failure-frequency is high or probability is big are monitored；
Step S120, obtains the transmission state signal information of described specified parts；
Optionally, the transmission state signal information of acquisition, can be that the signal of parts sends status information,
Can be the signal receiving status information of parts, it is also possible to be both.
According to above-mentioned frequency converter control system signal monitoring method, below with difference and the signal of specified parts
The difference of transmission state information, enumerates embodiment respectively and illustrates.
Embodiment one is that specified portions adjacent component the signal obtaining recording-member send and reception state letter
Process example during breath, with reference to Fig. 3.Parts 2 receive signal a, then to ARM feedback, " parts 2 are received
To signal a " status information；Parts 2 send signal a to parts 3, then parts 2 feed back " portion to ARM
Part 2 sends signal a " status information, after parts 3 receive signal a, to ARM feedback, " parts 3 are received
To signal a " status information；If signal a is processed into signal b by parts 2, then send signal b to portion
Part 3, then parts 2 feed back " parts 2 send signal b " status information to ARM, and parts 3 receive signal
" parts 3 receive signal b " status information is fed back to ARM after b.As long as it is to say, parts receive or
Send signal, action status information will be fed back to ARM, such as " parts 2 receive signal a " or " portion
Part 2 sends signal b "；The quantity of section components is not limited only to number shown in figure.
Embodiment two is that the non-conterminous parts of specified portions the signal obtaining recording-member send and reception state
Process example during information, with reference to Fig. 4.Parts 2 receive signal a, then to ARM feedback, " parts 2 receive
Signal a " status information；After parts 4 receive signal b, feed back " parts 4 receive signal b " shape to ARM
State information；Parts 4 feed back " parts 4 send signal c " status information to ARM after sending signal c.Namely
Say, as long as parts receive or send signal, action status information will be fed back to ARM, such as " parts 2
Receive signal a " or " parts 2 send signal b "；The quantity of section components is not limited only to number shown in figure.
When embodiment three is to specify whole parts and obtain signal transmission and the receiving status information of recording-member
Process example, with reference to Fig. 5.Parts 2 send signal a to parts 3, then parts 2 feed back " portion to ARM
Part 2 sends signal a " status information, after parts 3 receive signal a, to ARM feedback, " parts 3 are received
To signal a " status information；If signal a is processed into signal b by parts 2, then send signal b to portion
Part 3, then parts 2 feed back " parts 2 send signal b " status information to ARM, and parts 3 receive signal
" parts 3 receive signal b " status information is fed back to ARM after b.Parts 3 send signal c to parts 4,
Then parts 3 " send signal c " to parts 4 to ARM feedback；After parts 4 receive signal c, to ARM
Feedback " receiving signal c " status information.As long as it is to say, parts receive or send signal, will be by
Action status information feeds back to ARM, such as " parts 2 receive signal a " or " parts 2 send signal b "；
All the quantity of parts is not limited only to number shown in figure.
When embodiment four is specified portions adjacent component the signal receiving status information obtaining recording-member
Process example, with reference to Fig. 6.After parts 2 receive signal a, feed back " parts 2 receive signal a " shape to ARM
State information；After parts 3 receive signal a, feed back " parts 3 receive signal a " status information to ARM；Parts
After 3 receive signal b, feed back " parts 3 receive signal b " status information to ARM.The quantity of section components is not
It is only limitted to number shown in figure；Same method and process can be applicable to obtain and record the letter of described parts
Number send status information.
Embodiment five be the non-conterminous parts of specified portions and obtain recording-member signal receiving status information time
Process example, with reference to Fig. 7.After parts 2 receive signal a, to ARM feedback, " parts 2 receive signal
A " status information；After parts 4 receive signal b, feed back " parts 4 receive signal b " state to ARM
Information.The quantity of section components is not limited only to number shown in figure；Same method and process can be applicable to
The signal obtaining and recording described parts sends status information.
Process when embodiment six is to specify whole parts and obtain the signal receiving status information of recording-member
Example, with reference to Fig. 8.After parts 3 receive signal a, to ARM feedback " parts 3 receive signal a " state letter
Breath；After parts 3 receive signal b, feed back " parts 3 receive signal b " status information to ARM；Parts 4 are received
After signal c, feed back " parts 4 receive signal c " status information to ARM.All the quantity of parts is not only
It is limited to number shown in figure；Same method and process can be applicable to obtain and record the signal of described parts
Send status information.
Based on technique scheme, the frequency converter control system signal monitoring method that the embodiment of the present invention provides,
Compared to existing frequency converter control system, it is additionally arranged feedback monitoring mechanism, by obtaining and recording converter
The transmission state signal information of control system inner part feedback, it is achieved that to signal in frequency converter control system
The monitoring of status transmission, solves the accuracy of signal transmission, integrity problem in frequency converter control system,
And fault during signal transmission abnormality quickly processes problem.
Optionally, the another kind of frequency converter control system signal monitoring side that Fig. 9 provides for the embodiment of the present invention
Method flow chart, can be used for the monitoring of status signal transmission in frequency converter control system.With reference to Fig. 9, based on upper
Stating embodiment, the method can also include:
Step S120, it is judged that the transmission state signal information of described specified parts and the information reported an error in list
The most identical；
Step S130, the most then to this transmission state signal information and/or the described specified parts of its correspondence
Report an error.
Optionally, the status information identical with the information reported an error in list can be reported an error when reporting an error,
Parts corresponding to this status information can also be reported an error, it is also possible to both reporting an error；
Optionally, the mode reported an error may include that warning, or block converter；
Optionally, another frequency converter control system signal monitoring side that Figure 10 provides for the embodiment of the present invention
Method flow chart, can be used for the monitoring of status signal transmission in frequency converter control system.With reference to Figure 10, the party
Method can also include:
Step S140, is periodically updated the described list that reports an error；
Optionally, described renewal can update according to user's request or historical record, as increased or deleting
Report an error certain information in list.
For ease of understanding the frequency converter control system signal monitoring method that the embodiment of the present invention provides, below with
As a example by frequency converter control system issues pulse enable, with reference to Figure 11, a kind of frequency converter control system inner part
Signal transmission and status information feedback example.This frequency converter control system is by starting order under ARM, DSP receives
Self-inspection after this signal, normal after send pulse to FPGA and enable 1；FPGA self-inspection is enabled by rear pulse
2 start to power model.After power model receives pulse enable 2, produce pulse again after self-inspection is normal and enable 3,
The most just work can be carried out further according to the PWM ripple of control system.
With reference to Figure 11, the signal feedback procedure of above-mentioned frequency converter control system inner part is: DSP receives startup
To ARM feedback " DSP receives startup order " after enable, DSP sends after pulse enables 1 and feeds back " DSP to ARM
Send pulse and enable 1 "；FPGA receives to ARM feedback " FPGA receives pulse and enables 1 " after pulse enables 1,
FPGA sends after pulse enables 2 to ARM feedback " FPGA sends pulse and enables 2 "；Power model receives pulse
After enabling 2, to ARM feedback " power model receives pulse and enables 2 ", after power model sends pulse enable 3,
To ARM feedback " power model sends pulse and enables 3 ".
When certain link exception, ARM just can record event of failure, and form is as shown in table 1:
Table 1ARM event of failure record form
| Event | Logging condition |
| DSP does not receives startup order | After ARM sends startup order, DSP does not receives startup order |
| DSP does not sends pulse and enables 1 | DSP does not sends pulse after receiving startup order and enables 1 |
| FPGA does not receives pulse and enables 1 | DSP sends FPGA after pulse enables 1 and does not receives pulse enable 1 |
| FPGA does not sends pulse and enables 2 | FPGA receives and does not sends pulse enable 2 after pulse enables 1 |
| Power model does not receives pulse and enables 2 | FPGA sends power model after pulse enables 2 and does not receives pulse enable 2 |
| Power model does not sends pulse and enables 3 | Power model receives and does not sends pulse enable 3 after pulse enables 2 |
If certain event of failure is identical with the information reported an error in list, ARM is then to this event of failure and/or it is right
The parts answered report an error, and as reported an error " DSP does not sends pulse and enables 1 ", or report an error DSP；If
Catastrophe failure, ARM can also block converter.
Embodiments provide frequency converter control system signal monitoring method, said method can be passed through
It is capable of the monitoring of transmission state signal to frequency converter control system inner part, solves converter control
The accuracy of signal transmission, integrity problem in system processed, and fault during signal transmission abnormality is quick
Process problem.
The ARM chip and the frequency converter control system that there is provided the embodiment of the present invention below are introduced, and hereafter retouch
The ARM chip stated and frequency converter control system and above-described frequency converter control system signal monitoring method
Can be mutually to should refer to.
A kind of ARM chip structure block diagram that Figure 12 is provided by the embodiment of the present invention, this ARM chip can be answered
For frequency converter control system, with reference to Figure 12, this ARM chip may include that
Acquisition module 100, for obtaining the transmission state signal letter of described frequency converter control system inner part
Breath；
Logging modle 200, for recording the transmission state signal letter of described frequency converter control system inner part
Breath；
Figure 13 is provided alternative ARM chip structure block diagram by the embodiment of the present invention, and this ARM chip is permissible
Being applied to frequency converter control system, with reference to Figure 13, this ARM chip can also include:
Analyze module 300, be used for the transmission state signal information judging described specified parts and report an error in list
Information the most identical；
Report an error module 400, for the transmission state signal information identical with information in the list that reports an error and/or
The described specified parts of its correspondence reports an error；
Another ARM chip structure block diagram that Figure 14 is provided by the embodiment of the present invention, this ARM chip is permissible
Being applied to frequency converter control system, with reference to Figure 14, this ARM chip can also include:
More new module 500, for being periodically updated the described list that reports an error.
Optionally, a kind of structured flowchart of the acquisition module that Figure 15 is provided by the embodiment of the present invention, reference
Figure 15, acquisition module 100 may include that
Select unit 101, be used for choosing specified parts in frequency converter control system；
Acquiring unit 102, for obtaining the transmission state signal information of described specified parts.
Described frequency converter control system includes the ARM chip described in any of the above-described item.This Frequency Converter Control system
The ARM chip of system, it is possible to realize the monitoring of the transmission state signal to frequency converter control system inner part,
Solve the accuracy of signal transmission, integrity problem in frequency converter control system, and signal transmission is different
Fault time often quickly processes problem.
The double OMAP+FPGA framework of a kind of frequency converter control system that Figure 16 is provided by the embodiment of the present invention, its
In the ARM of MCU1 complete the logic control of whole system, telecommunication management, the DSP of MCU1 completes inversion control
System, the DSP of MCU2 completes four-quadrant and arranges control, and FPGA is responsible for A/D conversion and control etc.；Double OMAP+FPGA
UPP can be utilized inside framework to have communicated efficient intercommunication.Wherein, the ARM of MCU1 is above-mentioned
ARM chip.
In description, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is
With the difference of other embodiments, between each embodiment, identical similar portion sees mutually.Right
For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so describe
Fairly simple, relevant part sees method part and illustrates.
Professional further appreciates that, respectively shows in conjunction with what the embodiments described herein described
The unit of example and algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in,
In order to clearly demonstrate the interchangeability of hardware and software, the most general according to function
Describe composition and the step of each example.These functions perform with hardware or software mode actually,
Depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can be to each specific
Should be used for use different methods to realize described function, but this realization is it is not considered that beyond this
The scope of invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can directly use hardware,
The software module that processor performs, or the combination of the two implements.Software module can be placed in and deposit at random
Reservoir (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable ROM,
Other form any well known in depositor, hard disk, moveable magnetic disc, CD-ROM or technical field
Storage medium in.
Above frequency converter control system signal monitoring method provided by the present invention is described in detail.
Principle and the embodiment of the present invention are set forth by specific case used herein, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for this skill
For the those of ordinary skill in art field, under the premise without departing from the principles of the invention, it is also possible to this
Bright carrying out some improvement and modification, these improve and modify the protection domain also falling into the claims in the present invention
In.
Claims (9)
1. a frequency converter control system signal monitoring method, it is characterised in that including:
Obtain the transmission state signal information of frequency converter control system inner part feedback；Wherein, described signal
Transmission state information includes: the signal of parts sends the signal of status information and/or parts and receives state letter
Breath；
Record described transmission state signal information.
2. frequency converter control system signal monitoring method as claimed in claim 1, it is characterised in that institute
State the transmission state signal information obtaining frequency converter control system inner part feedback, including:
Choose specified parts in frequency converter control system；
Obtain the transmission state signal information of described specified parts.
3. frequency converter control system signal monitoring method as claimed in claim 1 or 2, it is characterised in that
Also include:
Judge that the transmission state signal information of described specified parts is the most identical with the information reporting an error in list；
The most described specified parts of this transmission state signal information and/or its correspondence is reported an error.
4. frequency converter control system signal monitoring method as claimed in claim 3, it is characterised in that also
Including:
Periodically the described list that reports an error is updated.
5. an ARM chip, for frequency converter control system, it is characterised in that including:
Acquisition module, for obtaining the transmission state signal information of described frequency converter control system inner part；
Logging modle, for recording the transmission state signal information of described frequency converter control system inner part.
6. ARM chip as claimed in claim 5, it is characterised in that described acquisition module includes:
Select unit, be used for choosing specified parts in frequency converter control system；
Acquiring unit, for obtaining the transmission state signal information of described specified parts.
7. the frequency converter control system signal monitoring apparatus as described in claim 5 or 6, it is characterised in that
Also include:
Analyze module, be used for the transmission state signal information judging described specified parts and report an error in list
Information is the most identical；
Report an error module, for the transmission state signal information identical with information in the list that reports an error and/or it is right
The described specified parts answered reports an error.
8. frequency converter control system signal monitoring apparatus as claimed in claim 5, it is characterised in that also
Including:
More new module, for being periodically updated the described list that reports an error.
9. a frequency converter control system, it is characterised in that include described in any one of claim 5 to 8
ARM chip.
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Cited By (1)
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| CN109964138A (en) * | 2016-11-25 | 2019-07-02 | 沃尔沃卡车集团 | The method and device classified to the voltage fault condition in electronic storage system |
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| Publication number | Publication date |
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| CN105955160B (en) | 2019-07-26 |
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