CN107918367B - Multi items bulk article Flexible production real-time status management method - Google Patents
Multi items bulk article Flexible production real-time status management method Download PDFInfo
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- CN107918367B CN107918367B CN201711159405.XA CN201711159405A CN107918367B CN 107918367 B CN107918367 B CN 107918367B CN 201711159405 A CN201711159405 A CN 201711159405A CN 107918367 B CN107918367 B CN 107918367B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 139
- 238000007726 management method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 94
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000003754 machining Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 6
- 238000013523 data management Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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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] or computer integrated manufacturing [CIM]
- G05B19/41865—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 job scheduling, process planning, material flow
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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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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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 provides a kind of multi items bulk article Flexible production real-time status management methods, comprising: step 1: establishing part manufacturing procedure attribute model；Step 2: constructing the technique dimension state model of Flexible production；Step 3: establishing Flexible production Resource Properties model；Step 4: building Flexible production resource ties up state model；Step 5: building is the Flexible production real-time status model on side using part manufacturing process and mixture manufacturing line resource as node, task resource incidence relation.The present invention fast and accurately describes Flexible production detailed process from multiple dimensions such as Product Process, resource, producing line, entire state model has real-time, it can effectively reflect the production plan executive condition under current state, real-time optimization is carried out for Flexible production system and coordinated management provides accurate, comprehensive, real-time data, method is simple, is suitable for the description of multi-varieties and small-batch product Flexible production real-time status.
Description
Technical field
The present invention relates to the production system management methods in computer integrated manufacturing system field, and in particular, to multi items batch
Retouching in product Flexible production real-time status management method, especially the real-time status management of multi-varieties and small-batch product Flexible production
State method.
Background technique
Space product belongs to multi-varieties and small-batch product mostly, and it develops model and batch production model Flexible production, this
Production process has strong Dynamic Uncertain characteristic, to realize effective control of production process, it is necessary to from Product Process, money
Multiple dimensions such as source, producing line fast and accurately describe Flexible production detailed process.Currently, in Product Process, resource, production
The Flexible production system modes of the dimensions such as line models aspect, and domestic and foreign scholars propose multi-modeling method, be concentrated mainly on
Lower three aspects:
1) state aspect is tieed up in Product Process, considers the intermediate state of part manufacturing, be substantially single with process MBD model
Position, geological information is combined, the MBD model of process oriented is established, then with process by machining feature with technique information
Model is carrier, establishes the part process information model of MBD；
2) state aspect, the producing line modeling and simulation combined based on data-driven with stratification Controlling model are tieed up in resource
Method realizes automatically generating for simulation model, and the mode of combined data driving, fast implements physics cloth in workshop in simulation model
The adjustment of office and resource quantity；
3) state aspect is tieed up in producing line, a kind of conversion based on figure and decomposition method is proposed, by mixes line production system reconfiguration
It is analyzed at stochastic-flow networks model and to the Reliability performance measure of the network, production will be met by giving production equipment
The minimum capacity vector of target.In view of development involved in multi-varieties and small-batch product Flexible production, batch production model, manufacturing recourses
It is related to material, personnel, equipment, mold, fixture etc., the process of Flexible production is in fact different model, different product and manufacture
A complicated collaborative processes of the resource in time and Spatial Dimension, however, for so complicated Flexible production system, existing side
Method is all the real-time status model constructed in a specific dimension, does not form the multi-dimensional state manager towards Flexible production
Method, it is, therefore, desirable to provide a kind of describe multi-varieties and small-batch production using multiple dimensions, the real-time status model interacted comprehensively
Product Flexible production process.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of multi items bulk article Flexible production is real-time
Method of state management.
A kind of multi items bulk article Flexible production real-time status management method provided according to the present invention, comprising:
Step 1: the Unified coding system based on part machining state information establishes part manufacturing procedure attribute model；
Step 2: each part tasks are unfolded in process dimension according to the process route in product data management PDM,
The technique for constructing Flexible production ties up state model；
Step 3: extracting the state parameter of production line resource from the production process data that Flexible production acquires in real time, establish
Flexible production Resource Properties model；
Step 4: according to every equipment in producing line according to task distribution condition and Flexible production Resource Properties model, building is mixed
Line resources of production tie up state model；
Step 5: state model, resource dimension state model being tieed up according to technique, constructed with part manufacturing process and mixture manufacturing
Line resource is node, the Flexible production real-time status model that task resource incidence relation is side.
Preferably, further includes:
Show the Flexible production real-time status model；
According to restricted selection respective routes are preset in the x/y plane of the Flexible production real-time status model, part is obtained
The production plan arrangement information of task, wherein in the Flexible production real-time status model, task dimension is z-axis, process dimension is
X-axis, equipment dimension are y-axis.
Preferably, the manufacturing procedure attribute model in the step 1 refers to: Unified coding is carried out to machining state information,
Each feature in coding describes a procedure, and process specifically describes dash number, machining attribute, machining period, preamble process
These process informations.
Preferably, the technique dimension state model in the step 2 refers to: appointing each part according to the process route in PDM
Business is unfolded in process dimension, and different part tasks constitute production task collection, and each part tasks are mainly by multiple parallel
Or the process composition of Serial Relation, each process are defined by the description of part manufacturing procedure attribute model, form nest relation model.
Preferably, the Flexible production Resource Properties model in the step 3 refers to: the equipment shape of description production line resource
State, current task, release time, waiting list these state parameters, wherein equipment state indicates whether resource is currently occupied
With at the time of release time indicates that resource can be used, waiting list refers to being assigned to equipment but not had started processing for task
Collection.
Preferably, the Flexible production resource dimension state model in the step 4 refers to: the corresponding process for describing each task exists
The model of distribution condition and processing on real-time state in every equipment.
Preferably, the Flexible production real-time status model in the step 5 refers to: being constructed based on complex network model with zero
Part manufacturing process and mixture manufacturing line resource are node, the topological structure that task resource incidence relation is side, for describing more product
The model of kind bulk article Flexible production real-time status.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, multi-varieties and small-batch product Flexible production real-time status management method provided by the invention uses topological structure net
Network model describes the incidence relation between " task-process-equipment " three-dimensional state, compared with existing one-dimensional model management method,
The present invention can describe multi-varieties and small-batch product Flexible production real-time status comprehensively, carry out real-time optimization for Flexible production system
Accurate comprehensive data are provided with coordinated management, to obtain optimal solution.
2, multi-varieties and small-batch product Flexible production real-time status management method provided by the invention does not need extra data
Processing software carries out data fusion to production process technology information, resource information etc., and method is simple, is suitable for multi-varieties and small-batch
The description of product Flexible production real-time status.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is part manufacturing procedure attribute model figure；
Fig. 2 is that Flexible production technique ties up state model figure；
Fig. 3 is Flexible production Resource Properties illustraton of model；
Fig. 4 is that Flexible production resource ties up state model figure；
Fig. 5 is Flexible production real-time status illustraton of model；
Fig. 6 is method flow diagram.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
The invention aims to accurately comprehensively describe multi-varieties and small-batch from dimensions such as Product Process, resource, producing lines
Product Flexible production real-time status proposes a kind of production status management method based on topological structure network model.Specifically, from
Each process related data is extracted in process of producing product big data, establishes process attributes model；According to process route, by each part
Task is unfolded in process dimension, forms Flexible production technique and ties up state model；The production acquired in real time from Flexible production
The state parameter of the production lines resource such as extract equipment, cutter and fixture in journey big data, establishes Flexible production Resource Properties model；
Every equipment constructs the equipment dimension state model of Flexible production, is referred to as resource according to its task distribution condition in producing line
Tie up state model；It is x-axis, equipment dimension for y-axis by z-axis, process dimension of task dimension, based on complex network model building with part system
It makes process and mixture manufacturing line resource is node, the Flexible production real-time status model that task resource incidence relation is side, description
Multi-varieties and small-batch product Flexible production real-time status effectively reflects the production plan executive condition under current state.
More detailed explanation is done to the technology in the present invention With reference to embodiment, specifically includes following step
It is rapid:
Step 1: to the means such as sensor, RFID and PLC acquisition process of producing product big data, according to data flow when
Between dimension carry out each process related data stage extraction and conversion it is integrated, the Unified coding body based on part machining state information
System, establishes part manufacturing procedure attribute model, as shown in Figure 1, part manufacturing procedure attribute model specifically describes dash number, work
The process informations such as sequence number, machining attribute, machining period, equipment distribution.
Step 2: production sequence actual for one, based on the process route in PDM, further according to the attribute of corresponding process
Each part tasks can be unfolded in process dimension for model, each task is concurrently or sequentially associated with by a series of presence
The process of relationship is constituted, and forms the technique dimension state model of Flexible production.In actual production, different part tasks constitute life
Task-set is produced, each task includes that the process of several concurrently or sequentially relationships forms, and can form more complicated nest relation, such as
Shown in Fig. 2, four kinds of common state of the art modes of workshop.Four kinds of modes are respectively as follows: mode, and 1. single component is processed；Mode 2. zero
Part individually processes last assembling；Certain processes of mode 3. different parts need Combined machining；Mode is 4. in component process
Certain processes of certain parts need Combined machining, finally assemble.
Step 3: extracting and describe equipment, cutter and folder from the production process big data that product Flexible production acquires in real time
The availability of the production lines resources such as tool, current task, waits the state parameters such as product, equipment state at load, constructs Flexible production
Resource Properties model, as shown in figure 3, items attribute therein is integrated by workshop data and information time-series fusion technology is realized, if
Standby state indicates whether resource is currently occupied；At the time of release time indicates that the resource can be used；Waiting list, which refers to, have been divided
It is fitted on the equipment but does not have started the task-set of processing；Remaining attribute is presented when needing in a similar way as supplemental information.
Step 4: for every equipment, being distributed according to its task, show point of the corresponding process of each task on the device
Equipment state is shown with situation, and according to processing on real-time situation, is formed Flexible production resource and is tieed up state model, as shown in figure 4, table
Shown certain equipment collection in processing and task dispatching state.
Step 5: for a production task sequence, task dimension expansion, each layer being carried out with the sequencing of production first
Indicate the production plan arrangement of corresponding part tasks；For each task, process dimension expansion is carried out further according to process route, is indicated
The process route of the task selects；It is finally directed to the process route of selection, the equipment dimension expansion of various processes is carried out, establishes life
Real-time status model is produced, as shown in figure 5, z-axis expression task dimension, x-axis indicate process dimension, y-axis indicates that equipment is tieed up, with the arrow in figure
Solid line indicate process sequence, dotted line indicate under process constraint can the connected process in front and back, chain-dotted line expression is unable to simultaneous selection
Two procedures.It, can be with the process constraint in effective expression production process, dominance relation constraint by the foundation of above-mentioned extracting figure
And equipment uniqueness constraint.By in (x, y) plane, according to default restricted selection respective routes, some part can be realized and appoint
The production plan arrangement of business can indicate complete production plan arrangement by being associated with task dimension.
The present embodiment illustrates that multi items are small by taking the description of multi-varieties and small-batch space product Flexible production real-time status as an example
Bulk article Flexible production real-time status model and management method, using the description of topological structure network model, " task-process-is set
It is standby " incidence relation between three-dimensional state, since process attributes and device attribute contain real time status information, therefore entire state
Model also has real-time, can effectively reflect the production plan executive condition under current state, carries out for Flexible production system real
Shi Youhua and coordinated management provide accurate, comprehensive, real-time data, and method is simple, is suitable for multi-varieties and small-batch product swinging cross
Produce the description of real-time status.
The present invention carries out fast and accurately Flexible production detailed process from multiple dimensions such as Product Process, resource, producing line
Description, entire state model have real-time, can effectively reflect the production plan executive condition under current state, are Flexible production
System carries out real-time optimization and coordinated management provides accurate, comprehensive, real-time data, and method is simple, and it is small quantities of to be suitable for multi items
Measure the description of product Flexible production real-time status.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (6)
1. a kind of multi items bulk article Flexible production real-time status management method characterized by comprising
Step 1: the Unified coding system based on part machining state information establishes part manufacturing procedure attribute model；
Step 2: each part tasks being unfolded in process dimension according to the process route in product data management PDM, are constructed
The technique of Flexible production ties up state model；
Step 3: extracting the state parameter of production line resource from the production process data that Flexible production acquires in real time, establish swinging cross
Resources of production attribute model；
Step 4: according to every equipment in producing line according to task distribution condition and Flexible production Resource Properties model, it is raw to construct swinging cross
It produces resource and ties up state model；
Step 5: state model, resource dimension state model being tieed up according to technique, building is provided with part manufacturing process and mixture manufacturing line
Source is node, the Flexible production real-time status model that task resource incidence relation is side；
Flexible production real-time status model in the step 5 refers to: being constructed based on complex network model with part manufacturing process
It is node, the topological structure that task resource incidence relation is side with mixture manufacturing line resource, for describing multi items bulk article
The model of Flexible production real-time status.
2. multi items bulk article Flexible production real-time status management method according to claim 1, which is characterized in that also
Include:
Show the Flexible production real-time status model；
According to restricted selection respective routes are preset in the x/y plane of the Flexible production real-time status model, part tasks are obtained
Production plan arrangement information, wherein in the Flexible production real-time status model, task dimension be z-axis, process tie up be x-axis,
Equipment dimension is y-axis.
3. multi items bulk article Flexible production real-time status management method according to claim 1, which is characterized in that institute
The part manufacturing procedure attribute model of establishing stated in step 1 refers to: Unified coding is carried out to machining state information, it is every in coding
A feature describes a procedure, and process specifically describes dash number, machining attribute, machining period, these processes of preamble process letter
Breath.
4. multi items bulk article Flexible production real-time status management method according to claim 1, which is characterized in that institute
The technique dimension state model stated in step 2 refers to: opening up each part tasks in process dimension according to the process route in PDM
It opens, different part tasks constitute production task collection, and each part tasks are mainly by the process group of multiple concurrently or sequentially relationships
At each process is defined by the description of part manufacturing procedure attribute model, forms nest relation model.
5. multi items bulk article Flexible production real-time status management method according to claim 1, which is characterized in that institute
The Flexible production Resource Properties model stated in step 3 refers to: when describing the equipment state, current task, release of production line resource
Between, waiting list these state parameters, wherein equipment state indicates whether resource currently occupied, and release time indicates resource
At the time of can be used, waiting list refers to the task-set for being assigned to equipment but not had started processing.
6. multi items bulk article Flexible production real-time status management method according to claim 1, which is characterized in that institute
The Flexible production resource dimension state model stated in step 4 refers to: describing distribution of the corresponding process of each task in every equipment
The model of situation and processing on real-time state.
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| CN111538307B (en) * | 2020-07-10 | 2020-10-13 | 上海交大智邦科技有限公司 | Process route modeling method and system for manufacturing execution system |
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