CN106292584A - A kind of flexible manufacturing system based on modular control unit - Google Patents
A kind of flexible manufacturing system based on modular control unit Download PDFInfo
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- CN106292584A CN106292584A CN201610670414.4A CN201610670414A CN106292584A CN 106292584 A CN106292584 A CN 106292584A CN 201610670414 A CN201610670414 A CN 201610670414A CN 106292584 A CN106292584 A CN 106292584A
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- control unit
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- flexible manufacturing
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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
- G05B19/418—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], computer integrated manufacturing [CIM]
- G05B19/41835—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], computer integrated manufacturing [CIM] characterised by programme execution
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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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]
-
- 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
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The embodiment of the present application provides a kind of flexible manufacturing system based on modular control unit, and flexible manufacturing system includes ERP system, MES system and production equipment, and MES system includes that control unit, each control unit at least include ability module and control module；Ability module is for reading operation logic file and the function library of extraneous transmission；Control module is used for loading and run operation logic file and function library.The flexible manufacturing system of the present invention, wherein include and can read the extraneous operation logic file transmitted and function library in real time and with this to define the MES system of the control unit of self function, application developer can power function in the most self-defined operation logic file and function library, different functions is completed by different control units, without the function of control unit is solidified in systems in advance, compared to existing technology, improve the flexibility ratio that manufacturing process controls, reduce development cost.
Description
Technical field
The invention belongs to manufacturing execution system (manufacturing execution system is called for short MES) field, especially
It relates to a kind of flexible manufacturing system based on modular control unit.
Background technology
Flexible manufacturing system includes ERP system, MES manufacturing execution system and the production equipment of some row.Wherein MES system
System is for being optimized management by information transmission to the whole production process completed from order placement to product.It can be with upper
The ERP system communication of end obtains information and can collect the data message of the terminal unit being positioned at end, the operation to end-equipment
It is controlled.MES system in existing flexible manufacturing system is primarily present some problem following:
Products scheme transplantability is poor
Products scheme especially exploitation code transplantability difference is a subject matter of puzzlement MES market development.Owing to passing
The software frame thinking of system too pursues the flow monitoring of concentration, and in the scheme preliminary design phase, developer must be the most pre-
Working ability and the flow process of estimating manufacture system are possible, and in so making systems soft ware, verification hardware device relies on too strong, and limits
The probability that system self extension and products scheme are transplanted, the most fundamentally constrains the whole potential processing of manufacture system
Flexible performance.
Industry limitation is the strongest
Because the problem of the products scheme transplantability difference being before previously mentioned, so almost all of MES supplier today
Product is all just for certain types of enterprise in very specific industry, even industry, and marketing has the strongest limitation.
Product opening is poor
MES market is seriously split, and data and pattern aspect lack the employing of the universal standard.A lot of MES developers are even
Ye Shi equipment manufacturers own, the software system of exploitation is high with the equipment of itself degree of coupling, whole with third party device and software
Conjunction ability is poor, systemic openness serious loss, with before two reciprocal causations, limits the development of self product.Even as
SAP such large software enterprise, the ERP product of himself also has in data with MES product and necessarily exchange freely, and it is described
ERP and MES product lacks Global motion planning design on designing and developing before.
Development cost is high
Transplantability is poor, and reason is in its client's scheme that the reuse ratio of code is the lowest, and customized development cannot be avoided
Substantial amounts of poor efficiency repeated work, this directly result in developer MES conceptual design, develop and implement in huge input.
Tradition collection middle frame motility poor (as shown in Figure 1), also result in system to the adaptibility to response of random case not
Foot, any change all may relate to basic framework and the kernel program of system, not only develops difficulty, for Client Enterprise also
Mean that longer system is stopped and test period, may be directly affected it and normally produce.
On the whole, tradition MES system many employings centerized fusion, its control unit is cured among system, so
Requirement system is in the design phase, and program development designer is necessary for fully taking into account the production that whole manufacture system may use
Flow process and the interface of distinct device, technology characteristics, which greatly limits giving full play to of each process equipment production capacity
The flexibility ratio controlled with manufacturing process.
Summary of the invention
It is an object of the invention to provide a kind of flexible manufacturing system based on modular control unit, existing to solve
The flexibility ratio that in technology, the MES system centerized fusion in flexible manufacturing system brings is low, high the asking of program secondary development cost
Topic.
The invention discloses a kind of flexible manufacturing system based on modular control unit, described flexible manufacturing system bag
Including ERP system, MES system and production equipment, described MES system includes that control unit, each described control unit are at least wrapped
Include ability module and control module；
Described ability module is for reading operation logic file and the function library of extraneous transmission；
Described control module is used for loading and run described operation logic file and described function library.
Preferably, described operation logic file includes representing external environment condition or the variable of internal state value, function sensing
And run the condition flow process of the function pointed to；
Described control unit also includes cognition module, for obtaining and preserve the value of described variable；
Whether described control module meets described condition flow process for checking according to the value of described variable, and when meeting,
Run the power function pointed by the sensing of described function.
Preferably, described control unit also includes communication module, is used for setting up communication and connects, according to communications protocol with described
ERP system and/or described production equipment carry out data transmission.
Preferably, described MES system includes control unit described at least two, described control unit communication module concerning foreign affairs it
Between carry out communication by unified data form.
Preferably, described function library is DLL function library.
Preferably, operation logic file is XML format.
Preferably, described ability module also includes a consolidator class interface, and all self-defining power functions are inherited
Described interface.
Preferably, the form of described data is known by the described power function that described ability module is additionally operable to by self
Not and process.
Preferably, described cognition module is additionally operable to preserve described operation logic file, equipment configuration and running log information.
Preferably, described communication module, for transmitting first kind data according to udp protocol, and for assisting according to HTTP
View transmits Second Type data, and described first kind data are different from the attribute of described Second Type data.
The present invention, by providing a kind of flexible manufacturing system, wherein includes the operation logic that can read extraneous transmission in real time
File and function library also define the MES system of control unit of self function with this so that application developer is permissible
Power function in the most self-defined operation logic file and function library, by different functions by different control
Unit completes, it is not necessary to the function of control unit solidified in advance in systems, compared to existing technology, improves manufacturing process control
Flexibility ratio, reduce development cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is MES system Organization Chart of the prior art；
Fig. 2 is flexible manufacturing system Organization Chart of the present invention
Fig. 3 is MES system Organization Chart of the present invention；
Fig. 4 is control unit structure chart of the present invention.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, real below in conjunction with the application
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, all should belong to the application protection
Scope.
The invention discloses a kind of flexible manufacturing system, as in figure 2 it is shown, it include ERP system 1, MES system 2 and by
A series of production equipment 3 that MES system controls.
Wherein MES system is changed as distributed AC servo system by traditional centerized fusion, and it mainly have employed can basis
The external documents read in real time realizes the control unit of difference in functionality, and so each control unit has only to a certain specific
Production equipment carry out data collection and flow monitoring, fully ensure that the usefulness of this equipment and flexibility ratio give full play to, and can
With independent operation as far as possible.
As it is shown on figure 3, be the MES system structure chart in the present invention, it includes multiple control unit, each control unit pair
Answer a production equipment.Owing to each control unit is all self-existent, therefore, single no matter increasing, deleting or changing control
Unit, impacts all without to other control units.
Hereinafter first the structure of above-mentioned control unit is introduced:
As shown in Figure 4, control unit includes ability module 12 and control module 11.
Control module 11 itself runs the control thread of control unit, is the nucleus module of control unit.First, it comprises
One main thread, startup stage, be loaded into operation logic file based on XML format and DLL function library, afterwards according to reality
Time environmental information and internal information data continual circular test operation logic, any logical relation meeting condition will swash
One the one or more power functions pointed by thread startup optimization function library alive.
In the present invention, an operation logic file based on XML format definition probably divides three ingredients:
Variable V ariable
One variable represents an external environment condition or internal state value.The most here control unit controls one and sets
Standby, then by the electronic signal of induction apparatus, it can determine that this equipment has connected, at this moment we are accomplished by determining
One Boolean variables D eviceConnected of justice preserves this data.
Function points to Function
One of control unit is characterized mainly in that and makes a response external environment condition, and reaction here runs specific exactly
Power function.A definition shown below is pointed to certain power function and is gone to set up with equipment to be connected.
Condition flow process Process
Environmental variable and power function point to and have existed, and need to need to carry out determining to the critical condition running this function
Justice.In this example, we can it is well understood that control unit started relevant with equipment loading is set after, as
Really equipment does not connect, and system should initiate the connection application to equipment.
In the present invention, the function of control module 11 also includes the function such as the management to own thread and abnormal conditions process.
Ability module 12, for reading operation logic file and function library from the external world, is responsible for control unit and is carried
The all functional function entered.This module provides a consolidator class interface ICapability, any self-defining function letter
Number classes must inherit this interface, to ensure that it can be automatically by ability module identification and run when being written into.
The power function thread that control module 11 is initiated finally is checked by ability module 12 and starts.According to operation logic literary composition
Parameters different in part sets, and same power function here can be to synchronize and the operation of asynchronous both of which.
Above-mentioned operation logic file can use XML format, and function library can be DLL function library.Ability mould
Block 12 can obtain operation logic file etc. from any extraneous interface such as ERP system or other-end etc..
Further, control unit of the present invention may also include cognition module 13.As before described in the control module 11
, all monitoring to environment and internal operation situation are all by a series of variablees, and these variablees just can be by cognitive mould
Block 13 is managed.In addition to these real-time variables, cognition module 13 is also in operation and is responsible for preserving the operation of control unit
Logic, program and all information such as equipment configuration and running log.
Further, control unit can also include communication module 14.The data communication of control unit be divided into outside and
Internal two major parts.Outside mentioned here, refers to the equipment outside MES system software section or software, such as, produces
Process equipment.So in order to realize comparing external communication function widely, communication module 14 here supports that multiple industry is commonly used
Communications protocol and form such as HTTP, UDP, USB, RS232, RS485, TCP/IP etc..This module is responsible for setting up connection, and
Connected by this and send and receive data.
Internal communication, includes the data friendship of control unit and another control unit or control unit and ERP system here
Stream.From ERP system, such as obtain up-to-date production schedule parameter be updated.
In the present invention, internal communication data could dictate that and are all based on XML formatization transmission, and communications protocol is according to data sheet
The big I of unit carries out different disposal, to ensure that ageing and safety meets the requirements.Feature according to data and requirement, this
Two kinds of communications protocol of bright employing:
Low data are required less than 4K or to integrity security
Less than the small data of 4K, such as control unit basic status information, current IP and operation information, need uninterruptedly to exist
The internal broadcast of MES.This data use udp protocol, typically need not reciever and confirm.If it is desired, Tongxu module is also supported
Reciever confirms, realizes handshake pattern.
High data are required more than 4K or to integrity security
This part is probably the status information of equipment of complexity, comes from the data of data base, file or high flux test
The test result information of equipment and equipment control instruction, will pass through the http protocol that more safe but possible treatment effeciency is lower slightly
Transmission.If higher for security requirement, transmitted data can be carried out SSL encryption, it is ensured that internal information will not be by
Tripartite's Malware intercepts.
Here, Tongxu module 14 realizes the ability to communicate that control unit is internal and external in MES system, and different
Data processing method can use the most flexibly, meets the different demands customized.
It should be noted that actual application has multiple data form, the identification in the present invention, to concrete data form
And process, can be completed by power function self-defining in ability module, ensure general in different schemes of communication module with this
Property.
Visible, in above-mentioned control unit, its basic structure is the most identical, and different is its function library and logic literary composition
Dynamic importing when part is control unit operation, this makes, when developing for different process equipments, to use same core
The heart encodes, and then writes logical file and power function for its difference, it is achieved that the height of procedure subject part can move
Planting property.
The aforementioned four module of each control unit calls mutually combination.Such as, if we need to develop one
Planting the power function for certain equipment, such as, connect certain equipment Connect2Device, in this function inside, we are permissible
Call the communications protocol to external equipment of communication module, then according to the correlated variables of operation result change cognition module.
In MES system, various functions demand can be completed by the control unit using multiple said structures, not only wrap
Include the monitoring of equipment, but also comprise the data interaction to third party software (such as ERP, CRM etc.), and to MES system
Monitoring and analysis etc..Between this modular control unit, the most independent collaborative work again, constitutes as shown in Figure 3
MES, and realize the management that MES system is flexible and efficient.
Being below a specific embodiment of the flexible manufacturing system of the present invention, it includes ERP system, MES system and 4
Individual different production equipment, wherein MES system comprises 6 independent control units A, B, C, D, E, F, control unit A for
ERP system carries out communication, and control unit B, C, D, E and 4 produce equipment one_to_one corresponding, for production equipment is monitored,
Control unit F is for being analyzed MES system itself.The function of each control unit is by patrolling that self-ability module reads
Collect operating file and function library is defined.Control unit A obtains the new production meter of the XML format that ERP system sends
Draw data to carry out synchronizing and pass through the file of XML format and send to other several control units, control unit B, C, D, E with each
Production equipment carry out communication, to the data received, the ability module of self be identified and process.Control unit F connects
Receive the data of XML format, MES system itself is analyzed.Data are carried out by XML file between these 6 control units
Alternately.
When increase have new production equipment time, can be to producing the attribute of equipment, the logic operation of definition corresponding function
File and function library, on the premise of not affecting whole flexible manufacturing system, increase a control unit and reading be new fixed
The logic operation file of justice and function library realize the new monitoring producing equipment.
Compared with prior art, the flexible manufacturing system of the present invention has the advantage that
Production flexibility ratio is high
The row simulating workman is at utmost disperseed by the autonomy control unit with independent logical and predefined ability
For pattern, it is achieved the random process ability to different situations, play the flexible production ability manufacturing device cluster to greatest extent.
Meanwhile, use the framework of modular control unit to go to improve the versatility of system development platform, solve tradition system
Manufacturing control system MES is in the problem of the aspect wretched insufficiencies such as divergence, motility and code versatility.
Set expandability is good
Tradition MES structure, when needing to be adjusted production procedure or add new equipment, needs to carry out system
Overall change, and it is usually associated with the shutdown test of whole manufacture system afterwards, cause waste greatly.And use frame of the present invention
The MES of frame, the variation of production procedure has only to reset the relevant parameter in data base, is not required to any journey
Sequence is changed, and can carry out at any time in production run.Still further aspect, the interpolation of new Processes and apparatus, it is only necessary to it is entered
The exploitation of row local and test, part existing on system does not results in any impact.
Working (machining) efficiency improves
Distributed frame based on framework of the present invention, by the efficient computing of overall flow and data analysis, permissible
Each control unit is carried out real-time management and control and adjustment, gives full play to the production efficiency of equipment, efficiently distribute the resources of production, solve
The bottle neck effect problem that certainly some production link is caused.And effectively avoid the wasting of resources that production process caused, improve
Production efficiency, reduces to produce consuming, optimizes enterprise's production capacity.
Secondary development low cost
Because the high price of MES essentially consists on its secondary development cost, furtherly, its system development platform
Portable difference be the main cause causing its secondary development high cost.In the present invention, the main body of MES development platform is compiled
Code have height versatility, the equipment that client is used without coupled relation so that secondary development cost is significantly dropped
Low.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have many deformation and
Change is without deviating from spirit herein, it is desirable to appended claim includes that these deformation and change are without deviating from the application's
Spirit.
Claims (10)
1. a flexible manufacturing system based on modular control unit, described flexible manufacturing system includes ERP system, MES
System and the equipment of production, it is characterised in that described MES system includes that control unit, each described control unit at least include
Ability module and control module；
Described ability module is for reading operation logic file and the function library of extraneous transmission；
Described control module is used for loading and run described operation logic file and described function library.
2. flexible manufacturing system based on modular control unit as claimed in claim 1, it is characterised in that described operation
Logical file includes the condition representing the function of external environment condition or the variable of internal state value, function sensing and operation sensing
Flow process；
Described control unit also includes cognition module, for obtaining and preserve the value of described variable；
Whether described control module meets described condition flow process for checking according to the value of described variable, and when meeting, runs
Power function pointed by the sensing of described function.
3. flexible manufacturing system based on modular control unit as claimed in claim 1, it is characterised in that described control
Unit also includes communication module, is used for setting up communication and connects, sets with described ERP system and/or described production according to communications protocol
For carrying out data transmission.
4. flexible manufacturing system based on modular control unit as claimed in claim 3, it is characterised in that described MES
System includes control unit described at least two, is entered by unified data form between described control unit communication module concerning foreign affairs
Row communication.
5. flexible manufacturing system based on modular control unit as claimed in claim 1, it is characterised in that described function
Function library is DLL function library.
6. flexible manufacturing system based on modular control unit as claimed in claim 1, it is characterised in that operation logic
File is XML format.
7. flexible manufacturing system based on modular control unit as claimed in claim 1, it is characterised in that described ability
Module also includes a consolidator class interface, and all self-defining power functions inherit described interface.
8. flexible manufacturing system based on modular control unit as claimed in claim 3, it is characterised in that described ability
Module is additionally operable to be identified the form of described data by the described power function of self and process.
9. flexible manufacturing system based on modular control unit as claimed in claim 2, it is characterised in that described cognition
Module is additionally operable to preserve described operation logic file, equipment configuration and running log information.
10. flexible manufacturing system based on modular control unit as claimed in claim 3, it is characterised in that described logical
News module, for transmitting first kind data according to udp protocol, and for transmitting Second Type data, institute according to http protocol
State first kind data different from the attribute of described Second Type data.
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| CN110082175A (en) * | 2019-04-09 | 2019-08-02 | 湖南三德科技股份有限公司 | A kind of robot sample-preparing system |
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| CN106292584B (en) | 2019-07-23 |
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