CN108628261A - process control device and method - Google Patents
process control device and method Download PDFInfo
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- CN108628261A CN108628261A CN201710171914.8A CN201710171914A CN108628261A CN 108628261 A CN108628261 A CN 108628261A CN 201710171914 A CN201710171914 A CN 201710171914A CN 108628261 A CN108628261 A CN 108628261A
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- 238000000034 method Methods 0.000 title claims abstract description 360
- 238000004886 process control Methods 0.000 title claims abstract description 55
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 16
- 230000003068 static effect Effects 0.000 claims description 21
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 125000002015 acyclic group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 description 10
- 230000004044 response Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
Classifications
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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]
- G05B19/41865—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], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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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]
Abstract
The present invention provides a kind of process control device and methods.The process control device includes：One technique determination unit is configured to determine at least one of the next technique of workpiece being able to carry out according to technique inventory；One communication unit is configured to be communicated at least one process equipment, to obtain the device capability information of at least one process equipment；One selecting unit is configured to according at least next technique and obtained device capability information to select workpiece by next technique of execution and execute the workpiece by the process equipment of next technique of execution together described in determining.It is thus possible to increase the production and processing efficiency in such as intelligent chemical plant.
Description
Technical field
The present invention relates to a kind of process control device and methods.
Background technology
Currently, more and more industrial plants use the production and processing assembly line of immobilization, wherein come in a predefined order
Various techniques and operation are executed to workpiece by each process equipment.The assembly line of such immobilization can be with very high efficiency
To be mass produced.But it is for the production of the product of the small lot of partially or completely customization and processing
Efficiency is very low.Therefore, it is necessary to more flexible and independent technology controlling and process to meet the fast-changing market demand and client
Demand, to realize intelligent chemical plant.
Invention content
Present invention seek to address that above-mentioned and/or other technologies problem, and a kind of can increase is provided and produces and processes efficiency
Process control device and method.
According to an exemplary embodiment, a kind of process control device includes：One technique determination unit, is configured to basis
Technique inventory come determine workpiece be able to carry out at least together next technique；One communication unit, be configured to it is at least one
Process equipment is communicated, to obtain the device capability information of at least one process equipment；One selecting unit, is constructed
For according to described in determining at least together next technique and obtained device capability information come next work for selecting workpiece by execution
Skill and the workpiece is executed by the process equipment of next technique of execution.It is thus possible to increase factory (for example, intelligent chemical plant)
Production efficiency.
The process control device further includes：One installation part is configured to process control device being installed to workpiece.
Technique inventory includes the directed acyclic graph indicated for all techniques of workpieces processing and the sequence of technique, and technique is true
Order member determines at least one of next technique according to the ordinal relation of each technique in directed acyclic graph.According to exemplary reality
Technology controlling and process can be carried out to select each road technique according to the technique inventory comprising directed acyclic graph by applying the process control device of example
Execute sequence, therefore, factory can be enhanced, for example, the resource utilization in intelligent chemical plant, to improve production capacity.In addition, can
The production and/or processing of different products can be carried out so that existing production and/or processing producing line need not be transformed.
Device capability information includes the dynamic attribute information for the current operating status for indicating process equipment, wherein communication
Unit is configured to obtain dynamic attribute information from least one process equipment.The dynamic attribute information includes waiting for being somebody's turn to do
The technique of the workpiece that process equipment is processed lined up and be currently executing.Device capability information further includes indicating that technique is set
The static attribute information of standby self attributes, wherein communication unit is configured to from least one process equipment or from outer
Portion obtains static attribute information.Static attribute information includes the identification information of process equipment, the position of process equipment, process equipment
The technique and process equipment being able to carry out execute time and cost needed for special process.
Selecting unit is configured to：According to it is described at least together next technique and device capability information determine it is described at least
The process equipment for being able to carry out at least one next technique in one process equipment；It calculates and is able to carry out institute by described
State at least that the process equipment of next technique executes workpiece time and cost needed at least one of next technique together；Choosing
Select the required time and cost meets the process equipment of pre-provisioning request and the process equipment will execute next technique.Therefore,
By according to the required time at originally for will execute it is lower together with technique with execute under together with technique equipment choosing
It selects, the operating power consumption of factory can be saved.
When selecting unit calculates the step of required time and cost, selecting unit is configured to：When according to equipment energy
Force information determines that process equipment has and waits for when the lining up of workpiece that is processed of the process equipment, calculate the stand-by period and at
This；When determining the technique being currently executing of process equipment according to device capability information and described at least next technique is not together
Meanwhile calculating the switching time needed for process equipment switching technique and cost；Calculating workpiece is moved to be able to carry out it is described extremely
Traveling time needed for few process equipment of next technique together and cost.Selecting unit is also structured to according to scheduled weight
The weighted sum for calculating stand-by period and cost, switching time and cost and traveling time and cost, as process equipment to work
Time needed at least one of next technique described in part execution and cost.
By according to the required time at originally for will execute it is lower together with technique with execute under together with technique
The dynamic select of equipment, process control device can be easily prevented from or minimize the appearance of mistake and/or when mistake has gone out
Restored now.Lining up for the workpiece that is processed of the process equipment is waited for by consideration, and process control device can be to avoid
The appearance of bottleneck.It can be sure to be able to by weight calculation for required time and cost and selection, process control device
Technique with high priority is completed in time.
According to another exemplary embodiment, a kind of process control method includes：The energy of workpiece is determined according to technique inventory
At least one of the next technique enough executed；It is communicated at least one process equipment, to obtain at least one technique
The device capability information of equipment；According at least next technique and obtained device capability information select work together described in determining
Part is by next technique of execution and executes the workpiece by the process equipment of next technique of execution.
Technique inventory includes the directed acyclic graph indicated for all techniques of workpieces processing and the sequence of technique, determines institute
State at least together next technique the step of include：Described at least one is determined according to the ordinal relation of each technique in directed acyclic graph
The lower technique in road.Device capability information includes the dynamic attribute information for the current operating status for indicating process equipment, is set
Include for the step of ability information：Dynamic attribute information is obtained from least one process equipment.The dynamic attribute information
The technique lined up and be currently executing including waiting for workpiece that the process equipment is processed.Device capability information further includes
Indicate the static attribute information of the self attributes of process equipment, wherein the step of obtaining device capability information include：From it is described to
A few process equipment obtains static attribute information from outside.Static attribute information includes the identification information of process equipment, work
The technique and process equipment that the position of skill equipment, process equipment are able to carry out execute time and cost needed for special process.
The step of selection includes：It is determined described at least one according at least one of next technique and the device capability information
The process equipment for being able to carry out at least one next technique in a process equipment；It calculates by described in described be able to carry out
At least the process equipment of next technique executes workpiece time and cost needed at least one of next technique together；Selection
Next technique that the required time and cost meets the process equipment of pre-provisioning request and the process equipment will execute.
Time and the step of cost needed for calculating includes：It is waited for when determining that process equipment has according to device capability information
When lining up of the workpiece that the process equipment is processed calculates stand-by period and cost；When determining work according to device capability information
The technique of skill equipment being currently executing with it is described at least together next technique difference when, calculate process equipment switching technique institute
The switching time needed and cost；It calculates needed for the process equipment for being moved to workpiece and being able to carry out at least one next technique
Traveling time and cost.
Time and the step of cost needed for calculating further includes：According to scheduled weight calculation stand-by period and cost, cut
The weighted sum for changing time and cost and traveling time and cost, as process equipment under described in workpiece execution at least one
Time needed for one technique and cost.
Process control device and method accoding to exemplary embodiment can be according to the technique inventory comprising directed acyclic graph
It carries out technology controlling and process and executes sequence with select each road technique, therefore, factory can be enhanced, for example, the resource in intelligence chemical plant
Utilization rate, to improve production capacity.Furthermore, it is possible to need not be transformed it is existing production and/or processing producing line can carry out it is different
The production and/or processing of product.By according to the required time at originally for will execute it is lower together with technique and execution
The selection of the equipment of lower one of technique can save the operating power consumption of factory.
Meanwhile by according to the required time at originally for will execute it is lower together with technique with execute under together with work
The dynamic select of the equipment of skill, process control device and method can be easily prevented from or minimize the appearance of mistake and/or work as
Restored when mistake has occurred.By considering lining up for the workpiece for waiting for the process equipment to be processed, technology controlling and process dress
Setting can be to avoid the appearance of bottleneck with method.Pass through weight calculation for required time and cost and selection, technology controlling and process
Device and method can be sure to be able to complete technique with high priority in time.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is the schematic block diagram for showing process control device accoding to exemplary embodiment；
Fig. 2 is the directed acyclic graph for showing technique inventory accoding to exemplary embodiment；
Fig. 3 is the flow chart for showing process control method accoding to exemplary embodiment；
Fig. 4 is the flow for showing selection next technique and the equipment for executing next technique accoding to exemplary embodiment
Figure.
Reference sign
100 process control device, 300 workpiece 500-1,500-3,500-5 process equipment
110 technique determination unit, 130 communication unit, 150 selecting unit
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair
Bright specific implementation mode.
Fig. 1 is the schematic block diagram for showing process control device accoding to exemplary embodiment.As shown in fig. 1, according to
The process control device 100 of exemplary embodiment may be implemented as the twin model unit of intelligent digital (iDTU,
intelligent Digital Twin Unit).For this purpose, process control device 100 may include technique determination unit 110, lead to
Believe unit 130 and selecting unit 150.
Technique determination unit 110 can determine the energy of workpiece 300 according to technique inventory (bill of process, BOP)
The next technique enough executed.Here, technique inventory may include for all techniques of workpieces processing 300 and the sequence of technique
Information.Accoding to exemplary embodiment, technique inventory may include directed acyclic graph (Directed Acyclic Graph, DAG),
As shown in Figure 2.Fig. 2 is the directed acyclic graph for showing technique inventory accoding to exemplary embodiment, in fig. 2, each node
Indicate that each road technique of workpiece 300, arrow indicate the ordinal relation between each road technique.Technique determination unit 110 can be with
Include the technique inventory of directed acyclic graph as shown in Figure 2 from external reception, and can be determined according to such technique inventory
Next technique that workpiece 300 will execute.For example, when node 1 shown in Figure 2 and node 2 can represent to workpiece 300
When the technique for the completion being finished, the information indicated by arrow, node 3, node 4 and node 5 can represent workpiece 300
The next technique that will be executed.Accoding to exemplary embodiment, selecting unit 150 can be by node 3,5 generations of node 4 and node
It is selected in a tri- lower techniques of Biao, this will be described in more detail below.
Communication unit 130 can in factory process equipment 500-1,500-3,500-5 ... communicated, to
Obtain process equipment 500-1,500-3,500-5 ... device capability information.For example, communication unit 130 can be by wireless
Or wired mode and equipment 500-1,500-3,500-5 ... communicated, to obtain equipment 500-1,500-3,500-
5 ... device capability information.It is communicated for example, the communication construction based on 6LowPAN may be used in communication unit 130, this
The communication construction of sample can be used for process control device 100 for example accoding to exemplary embodiment, to allow process control device
100 are embodied as the low-power device with limited processing capacity.
Here, device capability information may include dynamic attribute information and static attribute information.Dynamic attribute information can be with
Indicate the current operating status of process equipment.It is processed for example, dynamic attribute information may include waiting for the process equipment
Workpiece 300 the technique lined up and be currently executing.Such dynamic attribute information can be for example, by being mounted on technique
Sensor in equipment obtains, and the communication unit that can be installed on process equipment is sent out by way of wirelessly or non-wirelessly
It is sent to communication unit 130.
In addition, device capability information can also include the static attribute information for the self attributes for indicating process equipment.It is static
Attribute information may include the technique that the identification information of such as process equipment, the position of process equipment, process equipment are able to carry out
And process equipment executes the self attributes of the process equipments such as time and cost needed for special process.
In particular, communication unit 130 can broadcast the demand information of workpiece 300 first, demand information may include with
The relevant information of technique that workpiece 300 has been completed.Then, communication unit 130 can receive in scheduled response time window
Equipment 500-1,500-3,500-5 ... the demand information to broadcast response message, that is, device capability information.For example,
Process control device 100 may include timer unit (not shown), and timer unit can be in 130 broadcast message of communication unit
When start timing, and communication unit 130 is notified after it have passed through the time corresponding with response time window, meanwhile, communication unit
130 can go off the air and/or stop receiving device 500-1,500-3,500-5 ... response message, that is, capacity of equipment
Information.In addition, process control device can must beat static attribute information from external, for example, communication unit 130 can connect from outside
Receive static attribute information.
Accoding to exemplary embodiment, the device capability information that communication unit 130 receives can be stored in process control device
100 memory (not shown), for example, in caching.
When having received the device capability information of at least one process equipment by communication unit 130, selecting unit 150 can
To select workpiece 300 according to the determining at least one or multi-channel next technique that will be executed and obtained device capability information
By next technique of execution and the workpiece 300 is executed by the process equipment of next technique of execution.
In particular, selecting unit 150 can according to the determining at least one or multi-channel next technique that will be executed and
Which equipment obtained device capability information selects be able to carry out next technique.Then, next work is able to carry out when determining
When the equipment of skill, selecting unit 150 process equipment can be processed according to the waiting in the device capability information of the equipment
Workpiece 300 line up calculate wait for needed for time and cost.In addition, selecting unit 150 can setting according to the equipment
The technique being carrying out in standby ability information come calculate the equipment is switched to execute time needed for next technique and at
This.In addition, selecting unit 150 can also be calculated relative to the position of the equipment by 300 priming of workpiece according to current workpiece 300
The time needed at the equipment and cost.
After selecting unit 150 calculates required time and the cost of above-mentioned items, selecting unit 150 can basis
The sum of scheduled weight calculation required time and cost.In other words, selecting unit 150 can be according to scheduled weight calculation etc.
Time and cost, the weighted sum of switching time and cost and traveling time and cost are waited for, by result of calculation, that is, required
Time and the weighted sum of cost as process equipment to workpiece 300 execute it is described at least together with time needed for next technique and at
This.
Then, selecting unit 150 may determine that whether the weighted sum of calculating meets the limitation of preset time and cost.Such as
Fruit selecting unit 150 determines that the weighted sum calculated is unsatisfactory for the limitation of preset time and cost, then selecting unit 150 can be from
The memory (not shown) of process control device 100 deletes the device capability information with the equipment.If selecting unit 150 determines
The weighted sum of calculating meets the limitation of preset time and cost, then selecting unit 150 can select next technique and the energy
The equipment of next technique is enough executed as the next technique and process equipment that will be executed.
In addition, when selecting unit 150 determines that the weighted sum calculated is unsatisfactory for the limitation of preset time and cost, selection
Unit 150 may determine whether also to be stored with other device capability informations in memory, if it is, selecting unit 150 can
To repeat aforesaid operations, to select workpiece 300 by next technique of execution and execute the workpiece 300 by next technique of execution
Process equipment.If selecting unit 150 determines in memory without other device capability informations, selecting unit can be with
It sends a warning message.
As shown in fig. 1, process control device 100 can also include installation part 170.Installation part 170 can be by technique control
Device processed is installed to workpiece.For example, installation part 170 can be, for example, buckle, thread etc., to which process control device 100 can
To be attached on workpiece by installation part.In addition, if the size of workpiece (such as screw) is smaller, then installation part 170 can be
The pallet of special or general carrying workpiece.
Fig. 3 is the flow chart for showing process control method accoding to exemplary embodiment.Method shown in Fig. 3 can be by
It executes above with reference to Fig. 1 and Fig. 2 process control devices 100 described, therefore, will hereinafter omit to same or analogous feature
Repeated description.
As shown in Figure 3, it is possible, firstly, to determine at least one of the next work of workpiece being able to carry out according to technique inventory
Skill (S100).Technique inventory may include the directed acyclic graph indicated for all techniques of workpieces processing and the sequence of technique,
Therefore, at least one of next technique can be determined according to the ordinal relation of each technique in directed acyclic graph.
It is then possible to be communicated at least one process equipment, to obtain setting at least one process equipment
Standby ability information (S300).Device capability information may include the dynamic attribute letter for the current operating status for indicating process equipment
The static attribute information of the self attributes of breath and expression process equipment.Here, dynamic attribute information includes waiting for the process equipment
The technique of the workpiece being processed lined up and be currently executing, static attribute information include process equipment identification information,
Technique and process equipment that the position of process equipment, process equipment are able to carry out execute time needed for special process and at
This.Accoding to exemplary embodiment, dynamic attribute information and static attribute information can be obtained from least one process equipment,
Or static attribute information can be obtained from outside.
It, can be according at least next technique together described in determining in operation S500 when having obtained device capability information
Workpiece is selected by next technique of execution with obtained device capability information and executes the workpiece by next technique of execution
Process equipment.
Fig. 4 is the flow for showing selection next technique and the equipment for executing next technique accoding to exemplary embodiment
Figure.As shown in Figure 4, it in operation S510, can be determined in institute according at least one of next technique and the device capability information
State the process equipment for being able to carry out at least one next technique at least one process equipment.Then, S530 is being operated,
It can calculate through the process equipment for being able to carry out at least one next technique at least one described in workpiece execution
Time needed for next technique and cost, and in operation S550, required time and cost can be selected to meet pre-provisioning request
Process equipment and the next technique that will execute of the process equipment.
Specifically, in the operation S530 of the time needed for calculating and cost, when determining technique according to device capability information
Equipment has when the lining up of workpiece for waiting for the process equipment to be processed, and can calculate stand-by period and cost (S531)；When
According to device capability information determine the technique being currently executing of process equipment with it is described at least together next technique difference when,
The switching time needed for process equipment switching technique and cost (S533) can be calculated；And it can calculate and workpiece is moved to energy
Traveling time needed for the process equipment of at least one next technique described in enough execution and cost (S535).
In addition, operation S537, can according to scheduled weight calculation stand-by period and cost, switching time and cost,
And the weighted sum of traveling time and cost, as process equipment to workpiece execute needed at least one of next technique when
Between and cost.
Process control device and method accoding to exemplary embodiment can be according to the technique inventory comprising directed acyclic graph
It carries out technology controlling and process and executes sequence with select each road technique, therefore, factory can be enhanced, for example, the resource in intelligence chemical plant
Utilization rate, to improve production capacity.Furthermore, it is possible to need not be transformed it is existing production and/or processing producing line can carry out it is different
The production and/or processing of product.By according to the required time at originally for will execute it is lower together with technique and execution
The selection of the equipment of lower one of technique can save the operating power consumption of factory.
Meanwhile by according to the required time at originally for will execute it is lower together with technique with execute under together with work
The dynamic select of the equipment of skill, process control device and method can be easily prevented from or minimize the appearance of mistake and/or work as
Restored when mistake has occurred.By considering lining up for the workpiece for waiting for the process equipment to be processed, technology controlling and process dress
Setting can be to avoid the appearance of bottleneck with method.Pass through weight calculation for required time and cost and selection, technology controlling and process
Device and method can be sure to be able to complete technique with high priority in time.
It should be appreciated that although this specification describes according to various embodiments, not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiment of understanding.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, do not depart from the design of the present invention and under the premise of principle made by equivalent variations, modification and combination,
The scope of protection of the invention should all be belonged to.
Claims (19)
1. process control device (100), which is characterized in that the process control device includes：
One technique determination unit (110) is configured under at least one be able to carry out according to technique inventory to determine workpiece
One technique；
One communication unit (130) is configured to be communicated at least one process equipment, to obtain at least one work
The device capability information of skill equipment；
One selecting unit (150) is configured to according at least next technique and obtained capacity of equipment letter together described in determining
It ceases to select workpiece by next technique of execution and execute the workpiece by the process equipment of next technique of execution.
2. process control device as described in claim 1, which is characterized in that the process control device further includes：
One installation part (170), is configured to process control device being installed to workpiece.
3. process control device as described in claim 1, which is characterized in that technique inventory includes indicating to be used for workpieces processing
The directed acyclic graph of the sequence of all techniques and technique, technique determination unit is according to the ordinal relation of each technique in directed acyclic graph
To determine at least one of next technique.
4. process control device as described in claim 1, which is characterized in that device capability information includes indicating process equipment
The dynamic attribute information of current operating status, wherein communication unit is configured to obtain from least one process equipment
Dynamic attribute information.
5. process control device as claimed in claim 4, which is characterized in that the dynamic attribute information includes waiting for the technique
The technique of the workpiece that equipment is processed lined up and be currently executing.
6. process control device as claimed in claim 4, which is characterized in that device capability information further includes indicating process equipment
Self attributes static attribute information, wherein communication unit is configured to from least one process equipment or from outside
Obtain static attribute information.
7. process control device as claimed in claim 6, which is characterized in that static attribute information includes the identification of process equipment
The technique and process equipment that information, the position of process equipment, process equipment are able to carry out execute the time needed for special process
And cost.
8. process control device as described in claim 1, which is characterized in that selecting unit is configured to：
According to it is described at least together next technique and device capability information determine at least one process equipment can
The process equipment of at least one next technique described in executing；
Calculating passes through the process equipment for being able to carry out at least one next technique at least one described in workpiece execution
Time needed for next technique and cost；
Selection required time and next technique that cost meets the process equipment of pre-provisioning request and the process equipment will execute.
9. process control device as claimed in claim 8, which is characterized in that the time needed for being calculated when selecting unit and cost
Step when, selecting unit is configured to：
When determining that process equipment has when the lining up of workpiece for waiting for the process equipment to be processed according to device capability information, count
Calculate stand-by period and cost；
When determining the technique being currently executing of process equipment and at least next technique together according to device capability information
When different, the switching time needed for process equipment switching technique and cost are calculated；
Calculate workpiece is moved to be able to carry out it is described at least together the traveling time needed for the process equipment of next technique and at
This.
10. process control device as claimed in claim 9, which is characterized in that selecting unit is also structured to according to scheduled
The weighted sum of weight calculation stand-by period and cost, switching time and cost and traveling time and cost, as process equipment
Time and the cost needed at least one of next technique are executed to workpiece.
11. process control method, which is characterized in that the method includes：
At least one of the next technique of workpiece being able to carry out is determined according to technique inventory；
It is communicated at least one process equipment, to obtain the device capability information of at least one process equipment；
According at least next technique and obtained device capability information select workpiece by the next of execution together described in determining
Technique and the workpiece is executed by the process equipment of next technique of execution.
12. process control method as described in claim 1, which is characterized in that technique inventory includes indicating to be used for workpieces processing
All techniques and technique sequence directed acyclic graph, the step of determining at least one of next technique includes：According to having
Into acyclic figure, the ordinal relation of each technique determines at least next technique together.
13. process control method as described in claim 1, which is characterized in that device capability information includes indicating process equipment
Current operating status dynamic attribute information, the step of obtaining device capability information includes：From at least one technique
Equipment obtains dynamic attribute information.
14. process control method as claimed in claim 13, which is characterized in that the dynamic attribute information includes waiting for the work
The technique of the workpiece that skill equipment is processed lined up and be currently executing.
15. process control method as claimed in claim 13, which is characterized in that device capability information further includes indicating that technique is set
The static attribute information of standby self attributes, wherein the step of obtaining device capability information include：From at least one technique
Equipment obtains static attribute information from outside.
16. process control method as claimed in claim 15, which is characterized in that static attribute information includes the knowledge of process equipment
Technique and process equipment that other information, the position of process equipment, process equipment are able to carry out execute needed for special process when
Between and cost.
17. process control method as described in claim 1, which is characterized in that the step of selection includes：
According to it is described at least together next technique and device capability information determine at least one process equipment can
The process equipment of at least one next technique described in executing；
Calculating passes through the process equipment for being able to carry out at least one next technique at least one described in workpiece execution
Time needed for next technique and cost；
Selection required time and next technique that cost meets the process equipment of pre-provisioning request and the process equipment will execute.
18. process control method as claimed in claim 17, which is characterized in that the step of calculating required time and cost is wrapped
It includes：
When determining that process equipment has when the lining up of workpiece for waiting for the process equipment to be processed according to device capability information, count
Calculate stand-by period and cost；
When determining the technique being currently executing of process equipment and at least next technique together according to device capability information
When different, the switching time needed for process equipment switching technique and cost are calculated；
Calculate workpiece is moved to be able to carry out it is described at least together the traveling time needed for the process equipment of next technique and at
This.
19. process control method as claimed in claim 18, which is characterized in that the step of calculating required time and cost is also
Including：
According to the weighting of scheduled weight calculation stand-by period and cost, switching time and cost and traveling time and cost
With time and the cost needed at least one of next technique are executed to workpiece as process equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171914.8A CN108628261A (en) | 2017-03-21 | 2017-03-21 | process control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171914.8A CN108628261A (en) | 2017-03-21 | 2017-03-21 | process control device and method |
Publications (1)
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| CN110704974A (en) * | 2019-09-30 | 2020-01-17 | 江苏科技大学 | Modeling and using method of process model based on digital twin drive |
| CN112200493A (en) * | 2020-11-02 | 2021-01-08 | 傲林科技有限公司 | Digital twin model construction method and device |
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