CN107942958A - The industrial control system and method for a kind of internet of things oriented - Google Patents
The industrial control system and method for a kind of internet of things oriented Download PDFInfo
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- CN107942958A CN107942958A CN201710954607.7A CN201710954607A CN107942958A CN 107942958 A CN107942958 A CN 107942958A CN 201710954607 A CN201710954607 A CN 201710954607A CN 107942958 A CN107942958 A CN 107942958A
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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]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
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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
- G05B2219/33—Director till display
- G05B2219/33139—Design of industrial communication system with expert system
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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 industrial control system and method for internet of things oriented, and system includes local collecting device, central controller, local computing node and edge calculations server node；Local collecting device, for gathering the data message of product and the performance information of local computing node of local production equipment production；Central controller, for the performance information of the data message according to product, the performance information of local computing node and edge calculations server node, and combines constraints, and the execution node of decision task is local computing node and/or edge calculations server node；Local computing node and edge calculations server node, are used to the instruction according to central controller and the data message of product, perform task.System and method provided by the invention, by the execution node of central controller decision tasks, can effectively mitigate network data current load, improve information processing efficiency and algorithm speed, reduce due to time delay caused by calculating.
Description
Technical field
The present invention relates to internet of things field, a kind of industrial control system more particularly, to internet of things oriented and
Method.
Background technology
With intelligence manufacture and industrial equipment transformation and upgrade, it is necessary to collection in worksite to data message carry out various points
Analysis is handled, so as to aid in some decision-makings.Such as on the production line of factory.To product, whether qualification makes inspection, it is necessary to adopts
Collect the data message of the product, such as shape characteristic and compressive property etc., and these data messages are analyzed and processed, and then
Judge whether the product is qualified.
But whether each product is qualified related with many factors, this just needs a variety of data of carry out to each product
The collection of information, also, the product that production line produces daily is thousands of, and this just needs us to carry out data letter to numerous products
The collection of breath.But conventional production equipment is limited to the analyzing and processing ability of product data information, it is impossible in time to product number
It is believed that breath is analyzed and processed to obtain result.
The content of the invention
The present invention provide it is a kind of overcome in the prior art conventional production equipment to the analyzing and processing ability of product data information
It is limited, it is impossible to product data information is analyzed and processed in time with obtain ramification problem internet of things oriented Industry Control
System and method.
According to an aspect of the present invention, there is provided a kind of industrial control system of internet of things oriented, the system comprises this
Ground collecting device, central controller, local computing node and edge calculations server node；The local collecting device, is used for
The data message of product and the performance information of the local computing node of the local production equipment production of collection；The center control
Device, for the data message according to the product, the performance information of the local computing node and the edge calculations server
The performance information of node, and constraints is combined, the execution node of decision task is the local computing node and/or the side
Edge calculation server node；The local computing node, for according to the instruction of the central controller and the number of the product
It is believed that breath, performs the task；The edge calculations server node, for the instruction according to the central controller and described
The data message of product, performs the task.
Preferably, the constraints is any one in the following conditions：
Perform the time-consuming most short of the task；The energy consumption for performing the task is minimum；Perform the time-consuming and energy of the task
Consumption reaches optimal balance point.
Preferably, the central controller sends result of decision timing to the local computing node and the edge meter
Calculate server node.
Preferably, the local collecting device is additionally operable to obtain the parameter information of the local production equipment；The system
Further include device controller, the device controller, for receiving the implementing result of the task, and according to the implementing result
With the parameter information of the local production equipment, the operating status of the control local production equipment.
According to another aspect of the present invention, there is provided a kind of industrial control method of internet of things oriented, the described method includes：
S1, obtains the data message of product, the performance information of local computing node and the edge calculations service of local production equipment production
The performance information of device node；S2, according to the data message of the product, the performance information of the local computing node and the side
The performance information of edge calculation server node, and constraints is combined, the execution node of decision task is the local computing section
Point and/or the edge calculations server node.
Preferably, the method further includes：S3, receives the implementing result of the task, and according to the implementing result and
The parameter information of the local production equipment, controls the operating status of the local production equipment.
Preferably, step S2 is specifically included：
If the constraints performs described appoint to perform the time-consuming most short of the task, by the local computing node
The total time-consuming amount of business, the total time-consuming amount that the task is performed with the edge calculations server node is compared, by performing
The shorter node of the total time-consuming amount of task is stated, as the execution node；
If the constraints is minimum to perform the energy consumption of the task, the local computing node is performed into described appoint
The energy input of business, the energy input that the task is performed with the edge calculations server node are compared, and will perform described appoint
The less node of energy input of business, as the execution node；
If the constraints reaches optimal balance point to perform the time-consuming and energy consumption of the task, according to the local
Calculate node performs the total time-consuming amount of the task and its weight, the edge calculations server node perform the total of the task
Time-consuming amount and its weight, the local computing node perform energy input and its weight and the edge calculations service of the task
Device node performs the energy input and its weight of the task, determines the execution node.
Preferably, the edge calculations server node performs the total time-consuming amount of the task, passes through following parameter acquiring：
The data information transfer of the product to the edge calculations server node time-consuming amount TTransData, described
Be engaged in the queuing delay amount D in the edge calculations server nodeQueue, the edge calculations server node execution is described to appoint
The time-consuming amount D of businessRemoteWhen the implementing result being sent to the passback of device controller with the edge calculations server node
The amount of prolonging DResult。
Preferably, the local computing node performs the energy input W of the taskLocalFor,
Wherein, k=10-26,fi lThe computer in the local computing node is represented for i-th
The CPU that task can be assigned to calculates frequency, Fi lRepresent the maximum cpu frequency that computer can reach, CiRepresent to complete
The computer CPU periodicity that i-th of task needs, TiRepresent the peak response time delay that i-th of task allows, i is positive integer；
The edge calculations server node performs the energy input W of the taskRemoteFor,
Wherein, PtrTo send and receive the power of the data message of the product, DiThe data volume of i-th of task is represented,
VLocalRepresent the port speed of the local data message sending port, i is positive integer.
Preferably, the value range of the weight is 0~1.
The industrial control system and method for a kind of internet of things oriented provided by the invention, pass through central controller decision tasks
Execution node, can effectively mitigate network data current load, improve information processing efficiency and algorithm speed, reduce due to meter
Time delay caused by calculation.
Brief description of the drawings
Fig. 1 is according to a kind of structure diagram of the industrial control system of internet of things oriented provided in an embodiment of the present invention；
Fig. 2 is according to a kind of tasks carrying node of the industrial control system of internet of things oriented provided in an embodiment of the present invention
Decision process sequence diagram；
Fig. 3 is according to provided in an embodiment of the present invention a kind of in the case where performing node and being edge calculations server node
The sequence diagram of industrial control process；
Fig. 4 is according to a kind of industry in the case where performing node and being local computing node provided in an embodiment of the present invention
The sequence diagram of control process；
Fig. 5 be according to it is provided in an embodiment of the present invention it is a kind of performing node be local computing node and edge calculations service
The sequence diagram of industrial control process in the case of device node；
Fig. 6 is according to a kind of flow chart of the industrial control method of internet of things oriented provided in an embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
In order to mitigate network data current load, information processing efficiency and algorithm speed are improved, reduces and is brought by calculating
Time delay, the present invention provides the industrial control system and method for a kind of internet of things oriented.The embodiment of the present invention should by the system
For in the production line of factory, mainly using the system to carry out quality testing to the product on production line.
Fig. 1 be according to a kind of structure diagram of the industrial control system of internet of things oriented provided in an embodiment of the present invention,
As shown in Figure 1, the system comprises local collecting device, central controller, local computing node and edge calculations server section
Point；The local collecting device, the data message and the local computing section of the product produced for gathering local production equipment
The performance information of point；The central controller, the performance for the data message according to the product, the local computing node
The performance information of information and the edge calculations server node, and constraints is combined, the execution node of decision task is institute
State local computing node and/or the edge calculations server node；The local computing node, for being controlled according to the center
The instruction of device processed and the data message of the product, perform the task；The edge calculations server node, for according to institute
Instruction and the data message of the product of central controller are stated, performs the task.
Specifically, local collecting device is used for the data message and local computing for obtaining the product of local production equipment production
The performance information of node.
Wherein, local production equipment refers to：Such as press machine and bonding machine are used for the mechanical equipment for producing product.
The data message of product refers to：The whether qualified system of the topographical property and compressive property reactor product of such as product
Row index.
The performance information of local computing node and edge calculations server node refers both to：In CPU calculating frequency, computer
Deposit, a series of hardware device performance indicators such as computer video memory and hard disk reading rate.
Local collecting device typically refers to sensor, and the species of sensor is varied, can be to same on production line
Product carries out the collection of a variety of data messages, and the type of data message needs to be chosen according to the production of factory, common biography
Sensor includes but not limited to：Temperature sensor, humidity sensor and air quality sensor, the present embodiment are not construed as limiting this.
Specifically, central controller, for the data message according to product, the performance information and edge of local computing node
The performance information of calculation server node, and constraints is combined, the execution node of decision task.Wherein, performing node can be with
For any one place in local computing node and edge calculations server node, or local computing node and edge calculations
Server node.
It should be noted that when central controller enforcement of the judgment node is only edge calculations server node, edge meter
Server node is calculated by the data message according to product, execution task.Wherein, task can be：To the data message of product into
Row analyzing and processing, so as to judge whether product is qualified.It is preferably herein to judge whether product is qualified only by task, the present embodiment pair
The concrete meaning of task is not construed as limiting.
Refer at the same time for local computing node and edge calculations server node when performing node：Task is transferred into local meter
Operator node and edge calculations server process, central controller each need local computing node and edge calculations server node
Subtask to be processed distributes.Local computing node and edge calculations server node according to the subtask that need to each handle,
Draw the implementing result of subtask, and respective subtask implementing result is collected.
A kind of industrial control system of internet of things oriented provided in this embodiment, passes through holding for central controller decision tasks
Row node, can effectively mitigate network data current load, improve information processing efficiency and algorithm speed, reduce by calculating institute
The time delay brought.
Based on above-described embodiment, the constraints in above-described embodiment is specifically described in the present embodiment, the constraint
Condition is any one in the following conditions：Perform the time-consuming most short of the task；The energy consumption for performing the task is minimum；Perform
The time-consuming and energy consumption of the task reaches optimal balance point.
Specifically, it is different for the court verdict of tasks carrying node for various boundary conditions, central controller.
Wherein, the time-consuming optimal balance point reached with energy consumption in optimal balance point of task is performed, is examined according to the actual requirements
Consider and determine.
A kind of industrial control system of internet of things oriented provided in this embodiment, by introducing constraints, can pass through choosing
Different tasks carrying nodes is taken, to realize that the tasks carrying amount of taking, energy input are minimum or time-consuming measure reaches at the same time with energy input
Optimal balance point.
Based on above-described embodiment, the central controller in the present embodiment sends result of decision timing to the local
Calculate node and the edge calculations server node.
Wherein, the result of decision is：The execution node of task is only local computing node；The execution node of task is only edge
Calculation server node；The execution node of task is local computing node and edge calculations server node.
A kind of industrial control system of internet of things oriented provided in this embodiment, central controller is by the way that the result of decision is determined
When send to local computing node and edge calculations server node, can effectively mitigate network data current load, improve letter
Treatment effeciency and algorithm speed are ceased, is reduced due to time delay caused by calculating
Based on above-described embodiment, the local collecting device in the present embodiment is additionally operable to obtain the local production equipment
Parameter information；The system also includes device controller, the device controller, for receiving the execution knot of the task
Fruit, and according to the parameter information of the implementing result and the local production equipment, control the operation of the local production equipment
State.
Specifically, the parameter information of local production equipment refers to：The working status of local production equipment, environment temperature and wet
A series of indexs for weighing production equipment state such as degree.
Specifically, device controller receives the implementing result of task, and according to implementing result and the ginseng of local production equipment
Number information, controls the operating status of local production equipment, and then meets the product of Eligibility requirements with acquisition.
As a preferred embodiment, the present embodiment combination attached drawing and by specifically illustrating, to central controller to appointing
The decision process of business execution node, which is made, to be illustrated.
Fig. 2 is according to a kind of tasks carrying node of the industrial control system of internet of things oriented provided in an embodiment of the present invention
Decision process sequence diagram, as shown in Fig. 2, local computing unit and Local Communication Module are the built-in mould of local computing node
Block, edge communications module and edge calculations unit are the built-in module in edge calculations server node.
The performance information of the data message of product and local computing node is passed through Local Communication Module by local computing unit
Send to edge communications module.It should be noted that Local Communication Module by communication network by the data message of product and this
The performance information of ground calculate node is sent to central controller, wherein, communication network can be Industrial Ethernet, wireless ether
One or more in net, Wifi wireless networks, 3G network and 4G networks.
After edge communications module receives the data message of product and the performance information of local computing node, by product
The performance information of data message and local computing node is sent to central controller.Also, edge calculations unit is by the property of itself
Energy information is sent to central controller.
Central controller is according to the data message of the product received, the performance information and edge calculations of local computing node
The performance information of unit is sent, the execution node of decision task, and by the execution node feeding back of the result of decision, that is, task to local
Computing unit and edge calculations server node.So as to which local computing unit updates policy database according to the result of decision.
Fig. 3 is according to provided in an embodiment of the present invention a kind of in the case where performing node and being edge calculations server node
The sequence diagram of industrial control process, as shown in figure 3, local computing unit has been received that appointing for central controller feedback at this time
Business performs the court verdict of node, and it is edge calculations server node that this court verdict decision tasks, which performs node,.Then count
The data message of the product of acquisition is sent to the product that will be received to edge communications module, edge communications module according to collecting device
Data message send to edge calculations unit, edge calculations unit and carried out according to the data message of the product received at analysis
The implementing result of task is fed back to device controller by reason to perform task.Device controller according to the implementing result of task,
Adjust the operating status of production equipment.
Fig. 4 is according to a kind of industry in the case where performing node and being local computing node provided in an embodiment of the present invention
The sequence diagram of control process, as shown in figure 4, local computing unit has been received that the task of central controller feedback is held at this time
The court verdict of row node, and it is local computing node that this court verdict decision tasks, which performs node,.Then data acquisition equipment
The data message of the product of acquisition is sent to local computing unit, local computing unit and is believed according to the data of the product received
Breath is analyzed and processed to perform task, and the implementing result of task is fed back to device controller.Device controller according to appoint
The implementing result of business, adjusts the operating status of production equipment.
Fig. 5 be according to it is provided in an embodiment of the present invention it is a kind of performing node be local computing node and edge calculations service
The sequence diagram of industrial control process in the case of device node, as shown in figure 5, during local computing unit has been received that at this time
The court verdict of the tasks carrying node of controller feedback is entreated, and it is local computing that this court verdict decision tasks, which performs node,
Node and edge calculations server node.Then central controller transfers to task at local computing node and edge calculations server
Reason, and each subtask to be treated distributes by local computing node and edge calculations server node.Local computing section
Put and edge calculations server node is according to the subtask that need to each handle, draw the implementing result of respective subtask, and incite somebody to action each
Local computing unit is summarized in from the implementing result of subtask.Task action result is fed back to equipment control by local computing unit
Device, device controller adjust the operating status of production equipment according to the implementing result of task.
Based on above-described embodiment, the present embodiment provides a kind of industrial control method of internet of things oriented, Fig. 6 is according to this hair
A kind of flow chart of the industrial control method for internet of things oriented that bright embodiment provides, as shown in fig. 6, the described method includes：
S1, obtains data message, the performance information and edge of local computing node of the product of local production equipment production
The performance information of calculation server node；
S2, takes according to the data message of the product, the performance information of the local computing node and the edge calculations
The performance information of business device node, and constraints is combined, the execution node of decision task is the local computing node and/or institute
State edge calculations server node.
Wherein, the data message of product of local production equipment production, the performance information of local computing node, edge calculations
Performance information, constraints and the task of server node have made specific explanations in the above-described embodiments, the present embodiment to this not
Repeat again.
A kind of industrial control method of internet of things oriented provided in this embodiment, passes through holding for central controller decision tasks
Row node, can effectively mitigate network data current load, improve information processing efficiency and algorithm speed, reduce by calculating institute
The time delay brought.
Based on above-described embodiment, a kind of industrial control method of internet of things oriented in the present embodiment further includes：
S3, receives the implementing result of the task, and according to the implementing result and the parameter of the local production equipment
Information, controls the operating status of the local production equipment.
Based on above-described embodiment, step S2 is specifically described in the present embodiment.Step S2 is specifically included：
If the constraints performs described appoint to perform the time-consuming most short of the task, by the local computing node
The total time-consuming amount of business, the total time-consuming amount that the task is performed with the edge calculations server node is compared, by performing
The shorter node of the total time-consuming amount of task is stated, as the execution node；
If the constraints is minimum to perform the energy consumption of the task, the local computing node is performed into described appoint
The energy input of business, the energy input that the task is performed with the edge calculations server node are compared, and will perform described appoint
The less node of energy input of business, as the execution node；
If the constraints reaches optimal balance point to perform the time-consuming and energy consumption of the task, according to the local
Calculate node performs the total time-consuming amount of the task and its weight, the edge calculations server node perform the total of the task
Time-consuming amount and its weight, the local computing node perform energy input and its weight and the edge calculations service of the task
Device node performs the energy input and its weight of the task, determines the execution node.
A kind of industrial control method of internet of things oriented provided in this embodiment, by introducing constraints, can pass through choosing
Different tasks carrying nodes is taken, to realize that the tasks carrying amount of taking, energy input are minimum or time-consuming measure reaches at the same time with energy input
Optimal balance point.
Based on above-described embodiment, the present embodiment performs the task to edge calculations server node in above-described embodiment
Total time-consuming amount is specifically described.The edge calculations server node performs the total time-consuming amount of the task, passes through following ginseng
Number obtains：
The data information transfer of the product to the edge calculations server node time-consuming amount TTransData, described
Be engaged in the queuing delay amount D in the edge calculations server nodeQueue, the edge calculations server node execution is described to appoint
The time-consuming amount D of businessRemoteWhen the implementing result being sent to the passback of device controller with the edge calculations server node
The amount of prolonging DResult。
As a preferred embodiment, the present embodiment to the industrial control method of the internet of things oriented in above-described embodiment into
Row illustrates.
If constraints is time-consuming most short for execution task, local computing node is calculated respectively and performs the time-consuming of task
Amount performs the time-consuming amount of task with edge calculations server node, and both time-consuming amounts are compared, and time-consuming amount is shorter
Node as tasks carrying node.Central controller will perform decision process according in the following manner：
When meeting (1-1), execution node is edge calculations server node；When meeting (1-2), node is performed as this
Ground calculate node.
Wherein,DLocalThe total time-consuming amount of task, f are performed for local computing nodei lRepresent local computing section
Computer in point calculates frequency (periodicity), C for the CPU that i-th of task can be assigned toiRepresent to complete i-th
The computer CPU periodicity that business needs.
Wherein,TTransDataFor product data information transfer to institute
State the time-consuming amount of edge calculations server node, Sl i-DataRefer to the size of task scale, VLocalRepresent local data information
The port speed of sending port, unit Mbps, DiFor the size of data packet, unit byte,In,
W represents local computing node and represents transimission power, h to the bandwidth between edge calculations server node, unit Mbps, piGeneration
The gain of table channel, N0Represent the Noise Parameters in channel,For the Signal to Noise Ratio (SNR) of channel.
Wherein,DQueueDuring the queuing for being task in edge calculations server node
The amount of prolonging, ∑ Sr i-DataRepresent currently to handle the total size of all tasks in queue, ∑ C in edge calculations server node taski
Total periodicity is calculated for the CPU of the required by task in server queue,Edge calculation server node computing capability is represented,
fi rRepresent the CPU calculating cycle numbers that edge calculations server node is capable of providing.
Wherein,DRemoteThe time-consuming amount of the task, C are performed for edge calculations server nodeiRepresent
Complete the computer CPU periodicity that i-th of task needs, fi rRepresent that the CPU that edge calculations server node is capable of providing is calculated
Periodicity.
Wherein,SResultRepresent result of calculation size, usually, SResultSize meeting
It is proportional to calculative data volume Sl i-Data, i.e. Sl i-DataBigger SResultAlso it is bigger；VRemoteRepresent Edge Server data
The port speed of information transmitting terminal mouth, unit Mbps.
Based on above-described embodiment, local computing node described in the present embodiment performs the energy input W of the taskLocalFor：
WLocal=k (fi l)2Ci；
Wherein, k=10-26,fi lRepresenting the local computing node can for i-th of task
The CPU being assigned to calculates frequency, Fi lRepresent the maximum cpu frequency that computer can reach, CiRepresent that completing i-th of task needs
The computer CPU periodicity wanted, TiRepresent the peak response time delay that i-th of task allows, i is positive integer；
The edge calculations server node performs the energy input W of the taskRemoteFor：
Wherein, PtrTo send and receive the power of the data message of the product, DiThe data volume of i-th of task is represented,
VLocalRepresent the port speed of the local data message sending port, i is positive integer.
Specifically, if the constraints is minimum to perform the energy consumption of the task.Local computing section is then calculated respectively
The energy input of point execution task performs the energy input of task with edge calculations server node, and both energy inputs are compared
It is right, using the less node of energy input as tasks carrying node.Energy consumption refers to various equipment during the work time, in order to support
Calculate, transmit, store and radiating and use electric energy.It is local in factory, if to improve the computing capability of local computing node, just
It is intended to extend production equipment operating time or increases computing device, both schemes will causes equipment energy consumption
Improve, and since the working characteristics of equipment, distinct device energy consumption are also not quite similar, it is difficult to unified quantization is carried out to numerical value；Relatively
In local computing node, the energy consumption of edge calculations server node is not the focal point of user, edge calculations server node
Energy consumption cost be already contained in rental service price.Central controller will perform decision process according in the following manner：
When meeting (2-1), execution node is edge calculations server node；When meeting (2-2), node is performed as this
Ground calculate node.
Wherein, WLocalRepresent the energy consumption of local computing node；WRemoteRepresent the energy consumption of edge calculations server node.
Based on above-described embodiment, the value range of the weight in the present embodiment is 0~1.
Specifically, if the constraints reaches optimal balance point to perform the time-consuming and energy consumption of the task, it is typically
Two kinds of judgment conditions mentioned above are assigned with different weights, final strategy is determined by considering.Specific judgement bar
Part is：
When meeting (3-1), execution node is edge calculations server node；When meeting (3-2), node is performed as this
Ground calculate node.
Wherein, DLocalThe total time-consuming amount of task, D are performed for local computing nodeRemoteHeld for edge calculations server node
The total time-consuming amount of row task, WLocalThe energy input of task, W are performed for local computing nodeRemoteFor edge calculations server node
The energy input of execution task, x are weight.
It should be noted that if local production equipment is non-mobile device, since it is mostly what is be directly connected to power supply, then
The value range of weight is 0~0.5；If local production equipment is mobile equipment, since the loss of its power supply is irreversibility,
Then the value range of weight is 0.5~1.
The industrial control system and method for a kind of internet of things oriented provided in this embodiment, are appointed by central controller judgement
The execution node of business, can effectively mitigate network data current load, improve information processing efficiency and algorithm speed, reduce due to
Time delay caused by calculating.
Finally, method of the invention is only preferable embodiment, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of industrial control system of internet of things oriented, it is characterised in that including local collecting device, central controller, sheet
Ground calculate node and edge calculations server node；
The local collecting device, the data message and the local computing section of the product produced for gathering local production equipment
The performance information of point；
The central controller, for the data message according to the product, the performance information of the local computing node and institute
The performance information of edge calculations server node is stated, and combines constraints, the execution node of decision task is the local meter
Operator node and/or the edge calculations server node；
The local computing node, for according to the instruction of the central controller and the data message of the product, performing institute
State task；
The edge calculations server node, for according to the central controller instruction and the product data message,
Perform the task.
2. system according to claim 1, it is characterised in that the constraints is any one in the following conditions：
Perform the time-consuming most short of the task；The energy consumption for performing the task is minimum；The time-consuming and energy consumption for performing the task reaches
To optimal balance point.
3. system according to claim 2, it is characterised in that the central controller sends result of decision timing to institute
State local computing node and the edge calculations server node.
4. system according to claim 3, it is characterised in that the local collecting device is additionally operable to obtain described local raw
Produce the parameter information of equipment；
The system also includes device controller, the device controller, for receiving the implementing result of the task, and according to
The parameter information of the implementing result and the local production equipment, controls the operating status of the local production equipment.
A kind of 5. industrial control method of internet of things oriented, it is characterised in that including：
S1, obtains data message, the performance information and edge calculations of local computing node of the product of local production equipment production
The performance information of server node；
S2, according to the data message of the product, the performance information of the local computing node and the edge calculations server
The performance information of node, and constraints is combined, the execution node of decision task is the local computing node and/or the side
Edge calculation server node.
6. according to the method described in claim 5, it is characterized in that, further include：
S3, receives the implementing result of the task, and according to the parameter information of the implementing result and the local production equipment,
Control the operating status of the local production equipment.
7. method according to claim 6, it is characterised in that step S2 is specifically included：
If the constraints performs the task to perform the time-consuming most short of the task, by the local computing node
Total time-consuming amount, the total time-consuming amount that the task is performed with the edge calculations server node are compared, and will perform described appoint
The shorter node of the total time-consuming amount of business, as the execution node；
If the constraints performs the task to perform the energy consumption of task minimum, by the local computing node
Energy input, the energy input that the task is performed with the edge calculations server node are compared, and will perform the task
The less node of energy input, as the execution node；
If the constraints reaches optimal balance point to perform the time-consuming and energy consumption of the task, according to the local computing
Node performs the total time-consuming amount of the task and its weight, the edge calculations server node perform the total time-consuming of the task
Amount and its weight, the local computing node perform the energy input and its weight and the edge calculations server section of the task
Point performs the energy input and its weight of the task, determines the execution node.
8. method according to claim 7, it is characterised in that the edge calculations server node performs the total of the task
Time-consuming amount, passes through following parameter acquiring：
The data information transfer of the product to the edge calculations server node time-consuming amount TTransData, the task exists
Queuing delay amount D in the edge calculations server nodeQueue, the edge calculations server node execution task
Time-consuming amount DRemoteThe implementing result is sent to the passback delay volume of device controller with the edge calculations server node
DResult。
9. the method according to the description of claim 7 is characterized in that the local computing node performs the energy input of the task
WLocalFor,
WLocal=k (fi l)2Ci；
Wherein, k=10-26,fi lThe computer in the local computing node is represented for i-th of task
The CPU that can be assigned to calculates frequency, Fi lRepresent the maximum cpu frequency that computer can reach, CiRepresent to complete i-th
The computer CPU periodicity that task needs, TiRepresent the peak response time delay that i-th of task allows, i is positive integer；
The edge calculations server node performs the energy input W of the taskRemoteFor,
<mrow>
<msub>
<mi>W</mi>
<mrow>
<mi>Re</mi>
<mi>m</mi>
<mi>o</mi>
<mi>t</mi>
<mi>e</mi>
</mrow>
</msub>
<mo>=</mo>
<msub>
<mi>P</mi>
<mrow>
<mi>t</mi>
<mi>r</mi>
</mrow>
</msub>
<mfrac>
<msub>
<mi>D</mi>
<mi>i</mi>
</msub>
<msub>
<mi>V</mi>
<mrow>
<mi>L</mi>
<mi>o</mi>
<mi>c</mi>
<mi>a</mi>
<mi>l</mi>
</mrow>
</msub>
</mfrac>
<mo>;</mo>
</mrow>
Wherein, PtrTo send and receive the power of the data message of the product, DiRepresent the data volume of i-th of task, VLocal
Represent the port speed of the local data message sending port, i is positive integer.
10. according to the method described in claim 5, it is characterized in that, the value range of the weight is 0~1.
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