CN106446256A - Real-time industrial production information sensation system based on context calculation - Google Patents
Real-time industrial production information sensation system based on context calculation Download PDFInfo
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Abstract
The invention discloses a real-time industrial production information sensation system based on context calculation, and belongs to the technical field of real-time industrial production information sensation. By adopting the device, production information can be acquired in a uniform program interface mode, software abstraction is implemented for different sensors, then the sensors can be capable of acquiring industrial context information in an accordant and uniform mode, coupling of industrial sensors of different stages of heterogeneous networks and actual industrial applications of can be degraded, and the usability and the universality of an information acquisition module can be improved; as a tree knowledge expressed structure is adopted to model the context information, the context information forms accordant abstraction, mutual mapping of the abstraction with texture structure diagrams of different production departments in industrial production can be achieved, the universality and the expandability of the texture structure diagrams can be improved, and meanwhile information summarization, management and record analysis can be easily achieved; context sensation middle parts are constructed on the basis of the information model, and a uniform context event management interface and a content information checking interface can be achieved.
Description
Technical field
The invention belongs to industry in real time production information cognition technology field and in particular to a kind of work based on context calculating
Industry real-time production information sensory perceptual system.
Background technology
Height with information technology and industrial technology merges, network, computer technology, information technology, software with automatically
The depth of change technology interweaves and produces new value models, in the field of manufacture, is carried out overall production process by industry internet
Intelligent link, thus realizing intelligent production process full-automation, but has also welcome new challenge and bottleneck simultaneously.First, exist
In large-scale production environment, between different producing regions or workshop, it is understood that there may be different types of communication network, not
Come the update of system and the introduction of new network, the not high production control system of non-fully open at present, expansible degree
Make each heterogeneous network present relatively independent " information island " phenomenon, cause real time data difficult interface, be unfavorable for system
The real-time Transmission of data and real-time processing.Therefore, from the angle of system model, in conjunction with above-mentioned analysis, the present invention tries hard to solve
The certainly real time data perception problems in complex industrial production environment, application context environment perception technology be one more satisfactory
Scheme.
Context-aware refers to that system can find and effectively utilizes contextual information is (as customer location, time, environment ginseng
Several, neighbouring equipment and personnel, User Activity etc.) and a kind of computation schema of being calculated, open from the nineties of eighties of last century
Begin, many research units start to research and develop Context-aware System Architecture, such as Xerox Parker research center (Xerox Palo Alto
Research Center, abbreviation Xerox PARC) develop ParcTab system, Georgia Institute of Technology (Georgia
Institute of Technology) issue the Cyberguide project that guide service is provided, and real based on customer location
ActiveBadge system of existing phone automatic transfer etc..But these systems are all towards specific application scenarios, and its model is all
With bottom should have very high coupling it is impossible to reach the purpose of general fit calculation it is impossible to enough be applied among commercial production.With
Stanford university proposes ROME model although having certain universality afterwards, but Shortcomings.The Chinese Academy of Sciences is to ROME model
Improved, proposed a transaction model CTMPC (Context-based based on context triggering on this basis
Triggered Task Model in Pervasive Computing), this model is opened be applied to dynamic mobile environment
Send out Context-aware System Architecture.Context Toolkit is the hierarchical mode based on assembly, shields bottom with function assembly set
Platform details, are entered to contextual information using context widget, context server, context interpreter
Row is abstract.Context widget Treated Base perceives details, so that context is obtained and using separating, conceals answering of sensor
Polygamy, easily realizes Function Extension and many applications are merged.But this model lacks Knowledge-sharing Mechanism, in large scale system not
The concordance of knowledge can be kept, be not provided that a public context ontology to realize multiple in system service to upper and lower simultaneously
The shared and reasoning of civilian knowledge.
Content of the invention
For the deficiencies in the prior art, the present invention proposes a kind of production information perception in real time of the industry based on context calculating
System, with reach improve its versatility and autgmentability, the industrial perceptron reducing heterogeneous networks at different levels and practical application in industry it
Between coupling purpose.
A kind of production information sensory perceptual system in real time of the industry based on context calculating, this system includes real-time production information and adopts
Collection module, real-time production information management module, in real time production event manager module and real-time production information inquiry service module；Its
In,
Production information acquisition module in real time：For by unified interface mode to equipment needed thereby state in industrial production system
The real-time contextual information of data is acquired and captures, and the real-time contextual information of collection is become unified by class wrapper and accesses
The form of interface, obtains all kinds of real-time streams of interface unification, more all kinds of real-time streams is carried out Unified coding and seals
Dress up the form of class, sent to real-time production information management module by the form of list；
Production information management module in real time：For the data flow of Real-time Collection is stored in dynamic production information model,
Coding according to each item data and unified coded format, dynamic creation, adjustment and the dynamic production information model of maintenance；It is additionally operable to
The relation between each item data of persistence and data will be needed to carry out unified class wrapper, be converted into the shape of list object
Formula, is stored in data base, provides historical data deposit for real-time production information inquiry service module；
Produce event manager module in real time：For being identified to the event in dynamic production information model and managing, adopt
With dynamic production information Model Monitoring actual production data, when creation data occurs ANOMALOUS VARIATIONS, then shape in time zone
Become the compound event set being made up of multiple abnormal production events, and dynamic production information model encapsulation now is become one
Class object, sends to warning system prompting staff；
The service module of production information inquiry in real time：For being looked into using the message complementary sense that synchronization request and asynchronous notifications combine
Ask service mode, provide inquiry service by unified access interface for system.
Described real-time production information acquisition module, including real-time production information preprocessor and multiple commercial production information
Perceptron, wherein,
Commercial production information Perception device：Context for gathering equipment needed thereby status data in industrial production system is believed
All kinds of heterogeneous resource data are captured by breath by unified interface mode；
Production information preprocessor in real time：Corresponding for being added to each creation data of collection according to practical production experience
Description, according to<K, V>The corresponding every data of the mode of key-value pair carries out unique encodings.
Described dynamic production information model, is mapped to space tree form using the method for expressing of generalized knowledge tree；
It is specially：The number of plies of space tree is determined according to the production level of actual production, according to each operation in actual production
The belonging relation of level up and down between production unit determines the filiation between the tree node of space, using unified coded format
Setting filiation node, the unique encodings for each creation data can correspond to the father node obtaining its upper strata, root
Every discrete creation data is organized as the form of structurized space tree by the URI path according to each resource node, and will be every
The coding of individual resource node and its attribute node are stored in data base, are dynamically loaded to change with real-time additions and deletions and look into.
The described form being packaged into class, specially：In the form of data unification is packaged into class object by JavaBean.
Described provides inquiry service by unified access interface for system, specially：By being packaged into RestFul
The access interface of the unity of form of Web Service, provides information inquiry service using http agreement for upper layer application.
Advantage of the present invention：
The present invention proposes a kind of real-time production information sensory perceptual system of industry based on context calculating it is achieved that unified compile
The mode of journey interface, to obtain production information, carries out software abstract to all kinds of perceptrons so that it can be with a kind of consistent, unified
Mode to obtain industrial contextual information, reduce the coupling between the industrial perceptron of heterogeneous networks at different levels and practical application in industry
Close, improve ease for use and the versatility of information acquisition module；Structure using Tree scheme is carried out to contextual information
Modeling, makes contextual information be formed conforming abstract, can be mutual with the organization chart of production unit each in commercial production
Mapping, improves its versatility and autgmentability, is easy to collecting of information, management and record analyses simultaneously；On this information model basis
Upper construction context perception middleware, and achieve unified context events management interface and contextual information query interface,
Allow, on this device basic, to provide industry production information aware services in real time for any terminal.
Brief description
Fig. 1 is being shown based on the real-time production information sensory perceptual system structure of industry that context calculates of an embodiment of the present invention
It is intended to；
Fig. 2 is the real-time production information acquisition module structural representation of an embodiment of the present invention；
Fig. 3 is the real-time production information organization chart of an embodiment of the present invention；
Fig. 4 is the real-time production information inquiry service module schematic diagram of an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings an embodiment of the present invention is described further.
In the embodiment of the present invention, as shown in figure 1, being included based on the real-time production information sensory perceptual system of industry that context calculates
Production information acquisition module, real-time production information management module, in real time production event manager module and real-time production information in real time
Inquiry service module；Wherein,
(1) real-time production information acquisition module：For by unified interface mode to equipment needed thereby in industrial production system
The contextual information of status data is acquired and captures, and corresponds to and for real-time stream widely used in commercial production to pass through class
It is packaged into the form of unified access interface, obtain all kinds of real-time streams of interface unification, be that data persistence is provided
Acquisition condition；Again by all kinds of real-time streams by way of Uniting encodes, various different data are packaged into class
Data unification (in the embodiment of the present invention, is packaged into the form of object) by form using JavaBean, is carried out with unique coding
Distinguish, sent to real-time production information management module by the form of list；
In the embodiment of the present invention, as shown in Fig. 2 described real-time production information acquisition module, including：Production information in real time
Preprocessor and multiple commercial production information Perception device composition；Wherein,
Production information preprocessor in real time：Coarse initial data unification for capturing all kinds of perceptrons is converted in real time
The form of data flow, provides standardization data source for follow-up context information store, parsing and process；
In the embodiment of the present invention, described coarse initial data, including：Raw ore taste, NaOH medicament flow, starch medicament
Flow, CaO medicament flow, the selected flow of LKY, LLKY roughly select flow, Ore concentrate grade；
Commercial production information Perception device：It is the bottom entity that contextual information obtains accurately, in real time, for gathering up and down
Civilian information, by unified DLL, will provide consistent access interface for the form of class by uniform perceptual device, realize to each
The information capture of class heterogeneous resource, to reduce the degree of coupling between environment sensing and resource entity；
Common at present perceptron design often with concrete application close coupling；With the difference of application type, perceptron is also
Present isomery, the characteristic such as polymorphic so that the exploitation difficult to form unified standard of perceptron, reduce its reusing degree；For upper
State problem, adopt OMG IDL in the embodiment of the present invention for the unified DLL of perceptron customization；
In the embodiment of the present invention, the environmental resource information of perceptron capture, in class instantiation, the perception of reading and setting
The information Store ID of trace route path of device, is controlled to perceptron life cycle, and provides the inquiry of the entity state of current perception
Service, obtains the minimum perception cycle of perceptron；Perceptron has actively and passively two kinds of mode of operations；Perceptron presses its Working mould
Formula can be divided into active perceptron and passive-type perceptron；In the active mode, can be to the perception cycle of perceptron and its person in servitude
Belong to audiomonitor to be configured, the data-pushing of collection is given the audiomonitor specified according to these configurations by perceptron；In Passive Mode
Under, contextual information is obtained by the method interface calling passive perceptron to provide；
In the embodiment of the present invention, connect by the unification of perceptron taking head grade in the flotation circuit of mining production as a example
Mouthful, setting is acquired the master it is also possible to be opened by perceptron with the cycle per minute to live head grade data
The interface of dynamic acquisition information, obtains head grade data instantly immediately, and the coding settings according to Uniting in instantiation
Unique code of head grade data, facilitates real-time production information management module to carry out good tissue to data；
(2) real-time production information management module：For the data flow of Real-time Collection is stored in dynamic production information model
In, the coding according to each item data and unified coded format, dynamic creation, adjustment and safeguard dynamic production information model；Also
For the relation between each item data of persistence and data being needed to carry out unified class wrapper, it is converted into list object
Form, is stored in data base, provides historical data deposit for real-time production information inquiry service module；
In the embodiment of the present invention, it is divided into real-time and history two types according to the timeliness of information, therefore gives birth in real time
Produce information management module to be mainly responsible for the real time data of industrial real-time production information and historical data are managed, will believe in real time
Breath is stored in dynamic production information model, and this model is according to actual organization of production hierarchic design, using each item data
Unique encodings, organize scattered production information data in the way of operation production unit, management level are received according to obtaining layer
The data of collection and the coding of every item data, according to designed Unified coding form, dynamic creation, adjustment and safeguard this information
Model；And for needing the historical information of persistence, the management level then difference according to production information own characteristic and application demand,
Relation between each item data in model and data is carried out unified class wrapper, is converted into the form of list object, will
It is saved in commercial production information bank, to provide historical data deposit for follow-up commercial production information inquiry module；
In the embodiment of the present invention, context is calculated by the way of merging, it is the core of environmental resource service framework
Center portion is divided, and using the information processing mechanism of Process Based, realizes the processing of contextual information；
In the embodiment of the present invention, context fusion includes：Information filtering and two processes of rule-based reasoning, complete on bottom
Hereafter by filter, through reasoning, to the message processing flow being polymerized to higher-layer contexts；Bottom contextual information is single perception
The single production information that device obtains from real-time stream, is in special time to resource a certain in industrial production environment or attribute
State description on point；These information are discrete in form, and there is unstability and limitation to a certain extent
Property；Therefore, context filtering works it is intended to rely on the experience life obtaining from actual production as the first step of context fusion
Produce scope of data, reject above-mentioned unreasonable data, to improve the accuracy of information；Context Reasoning operation is responsible for upper and lower to bottom
Civilian information carries out rule-based reasoning, to eliminate the conflict existing between contextual information and mistake；Its major function is that bottom is upper and lower
Civilian information, by front to rule-based reasoning, obtains the contextual information high with upper layer application fit；This partial function is by upper and lower
Civilian regulation engine is realized, and this engine includes pattern matcher, agenda and three modules of enforcement engine, wherein, pattern matcher
Bottom context and upper access solicited message can be mated with predefined rule, the execution simultaneously exporting optimum is suitable
Sequence；Then Perform sequence is admitted to agenda, then is completed the information fusion of bottom context by enforcement engine, finally gives and more has valency
The higher-layer contexts of value；
In the embodiment of the present invention, real-time production information perception is by all kinds of senses in real-time production information acquisition module
Know that device obtains the data that production units at different levels produce in actual production, add simultaneously for each creation data and retouch accordingly
State, the unit of such as creation data, reasonable data scope, each rank alarm threshold value and corresponding warning message, these information be from
The empirical data obtaining in actual production, according to<K, V>The mode of key-value pair, the unique encodings of corresponding every data, in order to be able to
Enough expand at any time and be stored in data base, expanded the descriptive power dynamically for actual production for the whole data model；Press
According to producing level in the way of generalized knowledge tree, each item data is organized into the shape of space tree according to actual production level mapping
Formula, builds dynamic production information model, using pushing away, draw double mode acquisition productive environment information；
In the embodiment of the present invention, taking flotation operation as a example, organization data can be organized as shown in Figure 3；Wherein, information model by
Resource node and attribute node two class node composition：The circular node of in figure be context resource node, that is, correspond to upper strata each
The data that perceptron obtains, is described to the specific object information of resource node using key-value pair method；Each resource node, can
There is multiple child resource nodes or multiple attribute node, the title of these child nodes is unique.
In contextual information tree, resource node mainly plays a part resource tissue, and resource node itself does not have genus
Property information, its information is described by its sub- attribute tuberosity；The square nodes of in figure are context property node, attribute section
Point is under the jurisdiction of his father's resource node, and for describing specific floatation process creation data, each attribute node is retouched with key-value pair method
State the specifying information of his father's resource node, for describing specific floatation process creation data, such as head grade, concentrate product
Position, NaOH flow of system circuit 1A etc.；Full tree is to be built with actual organization of production structure, on floatation process, has
Head grade, the resource node such as concentrate grade, the corresponding attribute of each node subordinate；Also has system circuit under floatation process
The sub- production unit such as 1A, also has affiliated resource node such as NaOH flow, CaO flow, starch flow etc., with subordinate under it
Attribute node is describing the context state of each resource.
In the embodiment of the present invention, context information element adopts class URI (Uniform Resource Identifier)
Representation, to define the child resource of arbitrary resource, the attribute of resource or resource, sub- attribute etc., and each URI is and system
One coded format is corresponding, by coding to describe the hierarchical relationship between node, is only with the path ensureing each node
One expression；
In the embodiment of the present invention, for the persistence of historical data, be by according to certain frequency by whole Information Number
Realize according to storage to lane database, each resource node be unified into a kind of class object, by the state of this moment node and
Filiation in space tree is stored in an object, wherein preserves all of attribute node of this resource node, full tree
Node preserves in the form of a list, can reduce inforamtion tree by the mapping in path, reappear production information state at that time.
(3) produce event manager module in real time：For being identified to the event in dynamic production information model and managing,
Using dynamic production information Model Monitoring actual production data, when creation data occurs ANOMALOUS VARIATIONS, then in time zone
Form the compound event set being made up of multiple abnormal production events, and dynamic production information model encapsulation now is become one
Individual class object, sends to warning system prompting staff；
In real time production information event has the characteristics that high complexity and ageing by force：On the one hand, real-time production environments is numerous
Miscellaneous changeable so that real-time production information event also more sophisticated；On the other hand, real-time production environments have very strong ageing,
Therefore the requirement of real-time of production information event handling in real time is also very high.For actual commercial production application angle, single reality
When production information event meaning less, more it is worth noting that the combination of multiple real-time production information event occurs, that is, that
A little high complexity real-time production information events；The in real time production information event description change process of real-time production information, foundation
Whether it detachable to be defined as atomic event and compound event；
In real time production information event occurs the phase to specify the time interval of real-time production information event institute continuous action, by when
Limited time interval composition, i.e. D (e)={ D on countershaft1(e), D2(e) ..., Dn(e) } (n >=1), n express time interval
Number；For any time interval DiE () ∈ D (e) (1≤i≤n), is a continuous time interval；Interval left end point
For time started B, right endpoint is termination time E, i.e. Di(e)=[Bi(e), Ei(e)]；Understand, as n=1, mostly atom thing
Part；As n ＞ 1, mostly it is combined real-time production information event；
In the embodiment of the present invention, taking the NaOH in Fig. 3 tree as a example, when obtain numerical value be in this attribute node threshold value it
When outer, just trigger an actual production event, make the change of corresponding alarm condition；If other production informations also have
Similar situation, just triggers the generation that a compound flotation circuit produces event, system will be by production ring now then
Border data, that is, whole state encapsulation of the space tree-model in management module become a class object, by JSON go here and there to produce people
Member or other system are submitted to by way of RestFul Web Service, so that event is made with rational response.
(4) service module of production information inquiry in real time：Information for being combined using synchronization request and asynchronous notifications is mutual
Mend inquiry service mode, by being packaged into the access interface of the unity of form of RestFul Web Service, using http agreement
There is provided information inquiry service for upper layer application；
In the embodiment of the present invention, as shown in figure 4, synchronization request access module refers to, by real-time production information management mould
The information that block is collected to bottom real-time production information acquisition module is polymerized, and is processed into as meeting upper layer application need
The high-rise production information asked, to provide instant real-time production information inquiry service, in order to the opening of system is it is achieved that one
RestFul Web Service, according to cycle regular hour, by current productive environment information, i.e. space in management module
Whole state encapsulation of tree-model become a class object, provide synchronizing information inquiry service by JSON string to outside.And it is asynchronous
Request access module then refers to need the resource information obtaining to identify and its trigger event class by the registration of production information audiomonitor
Type, meets the production information inquiry request of higher layer applications in information subscribing mode, equally achieves a RestFul Web
Service, according to the request of other users or system, by current productive environment information, i.e. space tree-model in management module
Whole state encapsulation become a class object, provide synchronizing information inquiry service by JSON string to outside.Asynchronous access pattern
Advantage be, in real time production information interacts solution on time dimension and control plane for the both sides by the arrangement achieves industry
Coupling, is very suitable for providing commercial production information inquiry service in distributed environment；
In the example being carried before, the triggering of event is periodically issued, inquired about and produce to the production information of flotation circuit
Inquiry is exactly the concentrated reflection of inquiry service.
Claims (5)
1. a kind of industrial production information sensory perceptual system in real time based on context calculating is it is characterised in that this system includes in real time
Production information acquisition module, real-time production information management module, in real time production event manager module and the inquiry of real-time production information
Service module；Wherein,
Production information acquisition module in real time：For by unified interface mode to equipment needed thereby status data in industrial production system
Real-time contextual information be acquired and capture, by collection real-time contextual information pass through class wrapper become unify access interface
Form, obtain all kinds of real-time streams of interface unification, more all kinds of real-time streams carried out Unified coding and is packaged into
The form of class, is sent to real-time production information management module by the form of list；
Production information management module in real time：For the data flow of Real-time Collection is stored in dynamic production information model, according to
The coding of each item data and unified coded format, dynamic creation, adjustment and the dynamic production information model of maintenance；Being additionally operable to need to
Want the relation between each item data of persistence and data to carry out unified class wrapper, be converted into the form of list object, protect
It is stored in data base, provide historical data deposit for real-time production information inquiry service module；
Produce event manager module in real time：For being identified to the event in dynamic production information model and managing, using dynamic
State production information Model Monitoring actual production data, when creation data occur ANOMALOUS VARIATIONS when, then formed in time zone by
The compound event set that multiple abnormal production events are constituted, and dynamic production information model encapsulation now is become a class pair
As sending to warning system prompting staff；
The service module of production information inquiry in real time：For the message complementary sense inquiry clothes being combined using synchronization request and asynchronous notifications
Business pattern, provides inquiry service by unified access interface for system.
2. the industry based on context calculating according to claim 1 in real time production information sensory perceptual system it is characterised in that
Described real-time production information acquisition module, including real-time production information preprocessor and multiple commercial production information Perception device,
Wherein,
Commercial production information Perception device：For gathering the contextual information of equipment needed thereby status data in industrial production system, lead to
Cross unified interface mode all kinds of heterogeneous resource data are captured；
Production information preprocessor in real time：Retouch accordingly for being added to each creation data of collection according to practical production experience
State, according to<K, V>The corresponding every data of the mode of key-value pair carries out unique encodings.
3. the industry based on context calculating according to claim 1 in real time production information sensory perceptual system it is characterised in that
Described dynamic production information model, is mapped to space tree form using the method for expressing of generalized knowledge tree；
It is specially：The number of plies of space tree is determined according to the production level of actual production, according to the production of each operation in actual production
The belonging relation of level up and down between unit determines the filiation between the tree node of space, using unified coded format setting
Filiation node, the unique encodings for each creation data can correspond to the father node obtaining its upper strata, according to each
Every discrete creation data is organized as the form of structurized space tree by the URI path of individual resource node, and each is provided
The coding of source node and its attribute node are stored in data base, are dynamically loaded to change with real-time additions and deletions and look into.
4. the industry based on context calculating according to claim 1 in real time production information sensory perceptual system it is characterised in that
The described form being packaged into class, specially：In the form of data unification is packaged into class object by JavaBean.
5. the industry based on context calculating according to claim 1 in real time production information sensory perceptual system it is characterised in that
Described provides inquiry service by unified access interface for system, specially：By being packaged into RestFul Web
The access interface of the unity of form of Service, provides information inquiry service using http agreement for upper layer application.
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| CN110134663A (en) * | 2019-04-02 | 2019-08-16 | 北京三快在线科技有限公司 | Texture data processing method, device, electronic equipment |
| CN111026792A (en) * | 2019-11-04 | 2020-04-17 | 南京四方亿能电力自动化有限公司 | Message-driven key process holographic tracing method and system |
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