CN108919759A - Digital factory industrial control system and its data processing method - Google Patents
Digital factory industrial control system and its data processing method Download PDFInfo
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- CN108919759A CN108919759A CN201810701647.5A CN201810701647A CN108919759A CN 108919759 A CN108919759 A CN 108919759A CN 201810701647 A CN201810701647 A CN 201810701647A CN 108919759 A CN108919759 A CN 108919759A
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- 238000013480 data collection Methods 0.000 claims abstract description 8
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- 238000003860 storage Methods 0.000 claims description 5
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- 238000003032 molecular docking Methods 0.000 description 4
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- G—PHYSICS
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- 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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The present invention relates to a kind of digital factory industrial control system and its data processing methods.Described in digital factory industrial control system includes equipment interactive module and cloud interactive module：The equipment interactive module, establish unified data interface and to the data processing locality of acquisition, establish local data base；The cloud interactive module, is provided out data.The data processing method includes providing a unified data-interface from data collection layer to itself application layer in equipment interactive module, and provide pluggable interface to distinct device；Data pre-processed in equipment interactive module, clean data, complete data processing locality, and data are classified as unified format and are stored, establishes local data base；In cloud interactive module, a set of customized application layer communication protocol is provided, provides and Cross Platform Interface is externally provided, be provided out data.The digital factory industrial control system and its data processing method, can rapid deployment, be suitable for multiple data sources, and clear layer, superior performance.
Description
Technical field
The present invention relates to a kind of industrial production base data processing method more particularly to a kind of digital factory industrial control systems
And its data processing method.
Background technique
When progress software and hardware is integrated between underlying device and upper layer software (applications) system, OPC has become the interconnection of industry system
Default scheme.OPC uses Client/Server, and the task of exploitation access interface is placed on hardware manufacturer or third
Square producer, is supplied to user in the form of opc server, solves the contradiction of soft and hardware manufacturer, improves the opening of system
And interoperability manipulation.
But in the specific implementation, OPC can not be fully solved.Firstly because self-characteristic reason, OPC DA was being used
DCOM must be configured in journey, DCOM is a set of distributed protocol that Microsoft defines, but the configuration before use is very cumbersome, across setting
After standby application deployment, often there is the problem of DCOM can not be accessed.And 135 ports of DCOM meeting open equipment, it can be to equipment
Safety throw into question.OPC agreement of the OPC UA as a new generation, it is no longer necessary to which DCOM is supported, but OPC UA is opened at present
Hair data is less, and mature SDK does not have substantially, and technology is unfriendly, and development difficulty is high.From the point of view of entire OPC agreement, application scenarios
It is bad to the scalability of other application in terms of being concentrated mainly on industry control.
Above-mentioned similar functions and demand, in the case where especially various in system and complexity, if using OPC as system
Between communication protocol will cause many problems, consume the plenty of time on system docking, lose more than gain.
The prior art solves the problems, such as opc server and client transmissions using software program interface；Or realize that OPC is counted in real time
It is docked according to acquisition, historical data base storage with cloud platform, or carries out the transparence acquisition of data using the self-characteristic of OPC UA
With it is integrated；Or it is integrated from data flow angle, and guarantee the integrality of data by breakpoint transmission.But it is of the existing technology
Problem：A certain implementation method, the especially patent of opinion self-developed software exploitation not filling by scene are emphasized from respective side
Divide verifying, application layer calls still cumbersome, differentiation different platform, different language, and Data Data is numerous and jumbled, can not provide unification
Interface and related development tool；It is not high to the general degree of bottom externally to provide layer, often just for some or a certain type
Equipment, be unable to satisfy the demand of entire factory.
Summary of the invention
Based on this, it is necessary to for unified interface and related development tool can not be provided application layer in the prior art,
Application layer calls still cumbersome problem, provides a kind of digital factory industrial control system and its data processing method.
A kind of digital factory industrial control system, including equipment interactive module and cloud interactive module：
The equipment interactive module is to establish unified data interface in underlying device industrial control system data collection layer；And to acquisition
Data processing locality, establish local data base；
The cloud interactive module, be underlying device industrial control system data dispatch layer externally provide it is cross-platform, do not limited by language
Interface, be provided out data.
The unified data call interface of the devices exchange module definition in one of the embodiments, sets difference
Standby to provide pluggable interface, the calling interface provides uniform data call method for other assemblies, and other assemblies are logical
It crosses this interface and obtains data.
The data call interface is by realizing that pluggable functional module supports different numbers in one of the embodiments,
According to source, the data and database data of data, third party's OPC equipment including standard agreement equipment when data source is changed, are only needed
It replaces corresponding interface to realize, avoids modification upper layer application content.
The cloud interactive module, which is used to provide, in one of the embodiments, a kind of realize that data are accessible and externally transmits
General external interface, the general external interface is for providing a set of general data.
The processing locality in one of the embodiments, is removed for carrying out data prediction before data is transmitted
Invalid data, dirty data.
In one of the embodiments, it is characterized in that, establishing local data base using relevant database storage tool.
In one of the embodiments, it is characterized in that, having unified format after the data prediction.
A kind of data processing method of digital factory industrial control system, the data processing method include：
A unified data-interface is provided from data collection layer to itself application layer in equipment interactive module, and to distinct device
Pluggable interface is provided；
Data pre-processed in equipment interactive module, clean data, complete data processing locality, and data are classified as unified lattice
Formula is stored, and local data base is established；
In cloud interactive module, a set of customized application layer communication protocol is provided, provides and Cross Platform Interface is externally provided, outward
Data are provided.
The external interface provides a set of customized application layer communication protocol in one of the embodiments, described
Application layer communication protocol message format before encrypting be id+data+checkCode+timestamp, the id, data,
With " & between checkCode, timestamp！# " is attached.
Common data integration case between present invention combination foundry enterprise digital factory bottom industrial control system, with
Based on industry is using most common HTTP and OPC DA communication, pass through data acquisition, data prediction data sharing etc.
Technology builds a kind of digitlization industrial control system and realizes a kind of digitlization industrial control system data processing method, realizes following beneficial to imitating
Fruit：
I, rapid deployment：Source parameter is acquired by easy configuration in the equipment for having OPC Server or MySql, it can be in a few minutes
It is interior to be used to share by data access local data base.
II, it is suitable for multiple data sources：Using data as core, access OPC, MySql, SqlServer, Redis etc. are supported
Common data source, it is sufficient to deal with most of applications common on the market；
III, clear layer：Equipment interactive module, cloud interactive module is added according to function in entire software architecture, by data processing
Unified interface, data processing locality, the external three logics steps of data that provide, which are provided, by acquisition data Layer plays division, different inter-modules
Interaction is completed essentially by unified interface, and relevant work can be by engineer's complete independently, can also be with multiple engineers
It completes, functional development is relatively independent, and development rate is fast, and each inter-module coupling is low；
IV, superior performance：To a large amount of acquisition demand, it is only necessary to which the industrial personal computer of a common configuration can be completed, and exist after tested
300 variables can be collected for more than in one second.
Detailed description of the invention
Fig. 1 is equipment interactive module and cloud processing module schematic diagram.
Fig. 2 provides unified interface schematic diagram for data collection layer.
Fig. 3 plays schematic diagram to establish the step of local data base after processing locality layer preprocessed data.
Fig. 4 is that externally providing layer provides data outbound data interface diagram.
Fig. 5 is that client establishes connection type in application layer communication protocol.
Connection type is disconnected in Fig. 6 application layer communication protocol.
Specific embodiment
As shown in Figure 1, establishing equipment interactive module in digital factory industrial control data system, cloud interactive module passes through
Unified data interface is established, to the data processing locality of acquisition in underlying device industrial control system data collection layer, is externally being provided
A set of logical data, enable underlying basis data easily to provide on third-party platform.It is external to above-mentioned cloud interactive module
Interface provides a set of customized application layer communication protocol, and the communication protocol message is short, and succinctly, occupied bandwidth is low, fault-tolerant
Rate is high, solves existing underlying device industrial control system and the industrial control system data processing method situation various and complicated in system
Under, use OPC to will cause the consumption plenty of time on system docking as intersystem communications agreement, and data are numerous and jumbled.
In equipment interactive module, a data-interface that can be unified is provided from data collection layer to itself application layer.
Digital factory data exchange system mainly faces two classes acquisition source when interacting with bottom, standard agreement equipment
Data, the data of third party's OPC equipment and database data etc..
After converting OPC or database for data source, the difference of distinct device has been reduced very much, but is appointed and so can not
Reach the requirement for providing uniform data call method to other assemblies and needs to define a unified number to solve this problem
According to calling interface, other assemblies pass through this interface and obtain data, provide different interfaces to different data sources and realize, data source
When change, it is only necessary to it replaces corresponding interface and realizes, upper layer application it goes without doing any modification.I.e. by realizing pluggable function
Module supports different data sources.
Wherein in an embodiment, the data that the database provides are divided into two kinds of situations.The first is to need timing acquiring,
It saves, is usually used in malfunction elimination, statistical analysis and visual presentation, the former loses such as the negative pressure of vacuum value of casting station, causes
Casting report cannot automatically generate problem, and when investigation can transfer the negative pressure value historical data deposited into database, and determining bottom is
The reason of sporadic suspension, operative employee do not operate according to the rules or program BUG causes；The temperature and humidity ring of the latter's such as casting factory
Border parameter etc.；The data that second situation is called for other systems.Such as the composition mass parameter of spectroanalysis instrument detection test block, 3D
Molding sand needed for sand mold printer, resin, curing agent, physical and chemical parameter of cleaning agent etc..
In equipment interactive module, by the way that data are pre-processed, cleaned with data, completes data processing locality, and by data
It is classified as unified format to be stored, establishes local data base.
In the engineering practice of production unit or building of production line and transformation, each system data storage format disunity,
The quality of data is irregular, will appear a large amount of invalid datas, redundant data etc. so as to cause when carrying out data acquisition.To ensure to pass
Defeated efficiency reduces the resource for being locally stored and needing to occupy, and first has to carry out data prediction, the value after handling before being transmitted
It is stored by converting data to binary coding, occupies less money as far as possible in the case where guaranteeing the distortionless situation of data
Source.
Wherein in an embodiment, the data prediction, common data processing method has setting virtual value, is greater than or small
It is considered as invalid data in the data of this value；Dead zone is set, is considered as valid data when data value is in an interval range；Dirty number
According to processing, deletes missing values, exceptional value, inconsistent value, repeated data and contain additional character（Such as #$*) value.
Wherein in an embodiment, the pretreated data will at least have equipment unique identifier, acquisition time, adopt
Collect quality, data name, data value these basic variables.
Wherein in an embodiment, in the selection of the variable storage type, selection occupies the less basic class of digit as far as possible
Type, such as：Data without sign uses TINYINT, and semaphore uses BIT, and the time is improved empty using uinx timestamp as INT
Between utilization rate.
Wherein in an embodiment, the storage format of the database stores tool using relevant database, as mysql,
SQL Server, Oracle, Sybase, DB2 etc., such database purchase tool technique is mature, and using effect is good.
In cloud interactive module, cross-platform, unrelated with language interface is externally provided, data are provided out.
Aspect is externally provided, because receiving the platform of data（Or system）Diversified, it is therefore desirable to provide it is a set of can
General data, the data and the platform docked（Or system）It is unrelated, without docking platform（Or system）Used language without
Method will realize freely docking for data, and the external offer layer provides a kind of general mating interface, to realize the nothing of data
Obstacle externally transmits.The preferred application layer protocol of the accessible transmission of the data of mainstream at present is http protocol, but http protocol message
Complex, data load is not high, needs to carry out three-way handshake when establishing agreement, needs 4-Way Handshake when disconnecting, and consumes
Massive band width.Therefore this system realizes application layer communication protocol again.
The preferred application layer protocol of the accessible transmission of the data of mainstream at present is http protocol, but http protocol message is more multiple
Miscellaneous, data load is not high, needs to carry out three-way handshake when establishing agreement, needs 4-Way Handshake when disconnecting, consumes a large amount of bands
It is wide.The communication protocol message is short, and succinctly, occupied bandwidth is low, and serious forgiveness is high, and the agreement for effectively solving current mainstream data exists
The problem of.
Wherein in an embodiment, the self-defined application layer communication protocol establishes connection by client first, to server-side
A random number is sent as clientId, current unix is as timestamp.It is verified after receiving message by server end
Timestamp generates the uuid of a 128bit if within effective time, takes current unix timestamp as timestamp,
ClientId+uuid+timestamp is returned into client as the uniquely tagged of client.When disconnecting, by client
It holds to server-side transmission client and uniquely indicates clientId+uuid+timestamp.Server-side returns to unique mark to client
Show+dis, clientId+uuid+timestamp is as connection cut-off signal.Agreement message format before encrypting is id+data
+ checkCode+timestamp, with " & between different piece！# " is attached.The value range of id is 0<=id<=10000, by
Message transmitting party maintenance, the message id issued every time should be the id+1 for last time sending message, when last time message id is 10000,
This message id is 0.
The part Data is data portion, data format key：With connection among the more a key-value pairs of value.
CheckCode is the effective verification portion of data, is had first
T mod P == 0 ……(1)
T = 2n-kD + F …… (2)
Later, integer P is appointed, sender passes through the determination of (1) and (2) formula before sending and fills F, then sends.Recipient
Data are received, carry out result=T mod P operation, recipient thinks to be free from mistakes when result=0.
Timestamp is used to determine the actual effect of message as timestamp, is worth for current uinx timestamp.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, replacement can be made to some of which technical characteristic by not needing creative work
And deformation, these are replaced and deform within the scope of the present invention.
Claims (9)
1. a kind of digital factory industrial control system, which is characterized in that including equipment interactive module and cloud interactive module：
The equipment interactive module is to establish unified data interface in underlying device industrial control system data collection layer；And to acquisition
Data processing locality, establish local data base；
The cloud interactive module, be underlying device industrial control system data dispatch layer externally provide it is cross-platform, do not limited by language
Interface, be provided out data.
2. a kind of digital factory industrial control system according to claim 1, which is characterized in that the devices exchange module is fixed
The unified data call interface of justice provides pluggable interface to distinct device, and the calling interface provides for other assemblies
Uniform data call method, other assemblies pass through this interface and obtain data.
3. a kind of digital factory industrial control system according to claim 1, the data call interface can be inserted by realizing
The functional module pulled out supports different data sources, the data and database of data, third party's OPC equipment including standard agreement equipment
Data, when data source is changed, it is only necessary to replace corresponding interface and realize, avoid modification upper layer application content.
4. a kind of digital factory industrial control system according to claim 1, which is characterized in that the cloud interactive module is used for
There is provided it is a kind of realize the accessible general external interface externally transmitted of data, the general external interface is a set of general for providing
Data.
5. a kind of digital factory industrial control system according to claim 1, which is characterized in that the processing locality is used for
Data prediction is carried out before data is transmitted, removes invalid data, dirty data.
6. a kind of digital factory industrial control system according to claim 1, which is characterized in that use relational data inventory
Storage tool establishes local data base.
7. kind digital factory industrial control system according to claim 1, which is characterized in that have after the data prediction
Standby unified format.
8. a kind of data processing method using the digital factory industrial control system as described in any one of claims 1 to 7,
It is characterized in that, the data processing method includes：
A unified data-interface is provided from data collection layer to itself application layer in equipment interactive module, and to distinct device
Pluggable interface is provided；
Data pre-processed in equipment interactive module, clean data, complete data processing locality, and data are classified as unified lattice
Formula is stored, and local data base is established；
In cloud interactive module, a set of customized application layer communication protocol is provided, provides and Cross Platform Interface is externally provided, outward
Data are provided.
9. a kind of data processing method of digital factory industrial control system according to claim 8, which is characterized in that described
External interface provides a set of customized application layer communication protocol, and the application layer communication protocol message format before encrypting is
Id+data+checkCode+timestamp, with " & between described id, data, checkCode, timestamp！# " is attached.
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| CN110134727A (en) * | 2019-04-03 | 2019-08-16 | 清华大学天津高端装备研究院 | A kind of data collection and transmission for serving manufacture execution level |
| CN110336872A (en) * | 2019-06-28 | 2019-10-15 | 上海指旺信息科技有限公司 | The method, apparatus and system of third party's data acquisition |
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