CN111126961A - Complex product full life cycle digital mainline service system - Google Patents
Complex product full life cycle digital mainline service system Download PDFInfo
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- CN111126961A CN111126961A CN201911346653.4A CN201911346653A CN111126961A CN 111126961 A CN111126961 A CN 111126961A CN 201911346653 A CN201911346653 A CN 201911346653A CN 111126961 A CN111126961 A CN 111126961A
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Abstract
This scheme provides a complicated product full life cycle digital thread service system, and this system includes: the model/data management unit is used for extracting or receiving the model/data of the complex product from each information system in the full life cycle and associating the model/data with the data map in the full life cycle; and the model/data service unit outputs the model/data of the end-to-end terminal in the complete life cycle of the complex product according to the user identity and the query request. The technical scheme has the advantages of low maintenance cost and no data redundancy, can maintain the consistency and integrity of the model/data all the time, and can provide authoritative and credible model and data service for the full life cycle activities of complex products (such as product technical state control, product digital twin, data summary analysis and the like).
Description
Technical Field
The application relates to the field of modeling simulation, in particular to a full life cycle digital mainline service system based on a complex product.
Background
The digital main line is an authoritative digital data stream which covers the whole life cycle of the product and can support two-way data transfer. The method can automatically establish the incidence relation between the model and the data to form a data map, maintain the consistency and the integrity of the model/data in the whole life cycle process of the product, and form a set of authoritative and credible product whole life cycle model/data, namely, construct an authoritative product data source. The digital main line can support automatic engineering change influence range analysis, and ensures that each product development department can work cooperatively on a set of correct models/data. The realization of the digital main line needs to integrate the model/data in each digital system at the stages of product demonstration, design, manufacture, maintenance guarantee and the like, namely, the integration of cross-domain model/data is realized.
The current cross-domain model/data integration is mainly based on Application Programming Interface (API), that is, data transmission is realized between different software tools, systems or platforms by mutually agreeing data transmission interfaces. The other method is to establish a centralized Model/Data Management System (M/DMS), collect and store the models or Data in each information System in a centralized manner, and provide update or access service for the models/Data to the outside.
Disclosure of Invention
The application provides a full life cycle digital mainline service system based on a complex product.
According to a first aspect of embodiments of the present application, there is provided a full-life-cycle digital trunk service system for a complex product, the system including:
the model/data management unit is used for extracting or receiving the model/data of the complex product from each information system in the full life cycle and associating the model/data with the data map in the full life cycle;
and the model/data service unit outputs the model/data of the end-to-end terminal in the complete life cycle of the complex product according to the user identity and the query request.
In a preferred embodiment, the model/data management unit comprises:
and the attribute extraction module is used for acquiring the structured data or the system model and corresponding attribute information according to the query request of the user.
In a preferred embodiment, the model/data management unit comprises:
and the read-write module is used for editing and/or checking the model/data according to the interactive operation instruction of the user.
In a preferred embodiment, the model/data management unit comprises:
the version management module is used for directly calling the latest model/data version according to the latest effective principle; or, based on the query request, a historical version of the model/data is retrieved.
In a preferred embodiment, the model/data management unit comprises:
the authority management module is used for configuring query authority for the user; or, according to the user identity, matching the model/data corresponding to the query authority.
In a preferred embodiment, the model/data management unit comprises:
and the data map generation module is used for expanding the basic data map to generate a complete complex product data map based on the processing of structured, semi-structured and unstructured data of historical product models.
In a preferred embodiment, the model/data management unit comprises:
and the association module is used for automatically associating the model/data with the data map through the same mark.
In a preferred embodiment, the model/data management unit comprises:
and the checking module is used for checking the integrity of the data map according to the condition of the associated model/data of the data map, and generating a checking report.
In a preferred embodiment, the model/data service unit comprises: and the query module is used for developing inference query by using SPARQL language based on the product data map and acquiring end-to-end models/data in the whole life cycle of the complex product.
In a preferred embodiment, the system further comprises: a model/data source for storing the model/data.
Advantageous effects
The technical scheme has the advantages of low maintenance cost and no data redundancy, can maintain the consistency and integrity of the model/data all the time, and can provide authoritative and credible model and data service for the full life cycle activities of complex products (such as product technical state control, product digital twin, data summary analysis and the like).
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic diagram of a full life cycle digital main line framework of a complex product according to the scheme;
fig. 2 shows a schematic diagram of the digital main line framework supporting end-to-end data flow according to the present scheme.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Through research and analysis of the prior art, the integration method of the API-based cross-domain model/data needs to depend on the capability of a developer for supporting an original system or for secondarily developing a tool/system, and a cross-domain data source is dynamically updated, and the change of the tool or an interface easily causes function failure or causes problems in data exchange. Therefore, the API-based cross-domain model/data integration needs to be capable of long-term maintenance, with poor integration and high maintenance cost. In the mode of a model/data management system (M/DMS), although the integration work of storing and acquiring the model/data can be greatly simplified by an integration mode of an intermediate machine, the problems of model data redundancy and inconsistency and incompleteness exist.
From the above analysis, the existing cross-domain model/data integration scheme has high maintenance cost, data redundancy, and difficulty in ensuring the consistency and integrity of the model/data. Aiming at the problems, the scheme is intended to provide a scheme for performing data query based on a complex product full life cycle digital main line. The method is oriented to the complete life cycle activity of the complex product, and the model/data management system is utilized, and the digital main line of the product data map is combined, so that the model/data of the end to end terminal in the complete life cycle of the complex product can be inquired and required by a user. By applying the query method, the centralized storage of the product model/data can be realized, the consistency and the integrity of the model/data are maintained all the time in the whole life cycle, and the authoritative and credible end-to-end bidirectional model/data service is provided for various data application scenes in the whole life cycle.
As shown in fig. 1, the construction process and functions of the complex product full-life-cycle digital mainline service system according to the present scheme are as follows:
1. system integration
The method comprises the steps of establishing an integration interface specification of an M/DMS, adapting a software tool or an information system to be integrated, and realizing integration with a CAX software tool, a system modeling and simulation tool and information systems (such as a demand management system, a product design data management system, an enterprise resource planning system, a manufacturing execution system, a product test data management system, a maintenance data management system and the like) in each stage of a product life cycle according to data application requirements. The integrated software tool or information system can check the model/data into the M/DMS, update the model/data from the M/DMS reversely, and acquire the model/data in other software tools or information systems through the M/DMS. The main communication between the M/DMS and the integrated software tools/systems is the structured data/system model, CAX model.
2. Model/data management
(1) Model attribute extraction
For structured data/system models, the attribute information can be obtained directly. Aiming at a semi-structured CAX model, analyzing and extracting key attributes of the model through secondary development, such as: and for the CAD model, extracting attributes such as material and quality, and user-defined attributes.
(2) Model/data viewing and editing
The online browsing of the three-dimensional CAD/CAE model is realized, the model can be subjected to interactive operations such as rotation, translation, scaling, transparency, hiding, sectioning and measurement, the addition/storage of three-dimensional labels on the model is supported, and the attribute information of the model is edited. The method provides a viewing function of the structured system model, supports the graphical display of various system models, and supports the editing of model attributes. Provides viewing and editing functions for general structured data.
(3) Version management
The M/DMS can perform version control on the model/data, and the latest effective principle is adopted by default. Meanwhile, aiming at the characteristic of multi-state parallel development possibly existing in complex products, the method supports the simultaneous effectiveness and state marking of multiple versions of models/data. The M/DMS can view the version history of the model/data in an intuitive graphical mode, and actually, a data history is constructed for each model/data, and the source, creator, modifier, creation and modification time, updated content and the like of the data are recorded. The data history of the model/data establishes a dynamic and complete product technical state, and can support the summarization, query and trace of the whole product technical state.
(4) Authority control
The M/DMS supports sharing of model data in a cloud link mode, and the cloud link can provide control over access time limit and sharing range. Meanwhile, the authority of any group or one model data can be set, and the authority control of operations such as checking, editing, check-in and the like can be carried out according to organizations or individuals. Configuration of end-to-end data connections through a connection manager is supported.
(5) Data map construction
Although automatic knowledge extraction and processing techniques are continuously maturing, for the field of complex product development, basic data maps can be more efficiently constructed in a top-down manner by using expert experience. The basic data map is expanded by processing structured, semi-structured and unstructured data of historical product models, and a complete product data map can be generated. The entities in the data map encompass models/data that are all of a concern for the full life cycle of the complex product.
(6) Model/data correlation
And associating the model/data in the M/DMS with the entity in the data map, establishing an explicit association relation between the model/data items, constructing a product full-life-cycle data map, and supporting the intelligent retrieval and pushing of the model/data in a specific model/data application scene. The model/data can be automatically associated with the data map by the same tag.
(7) Consistency, integrity check
The associated model/data is checked through the data map, the integrity of the data map is checked, and a check report is generated. And (4) checking consistency of the checked model/data, reporting the condition if the checked model/data is inconsistent, and manually checking and confirming the abnormal model data by a person in charge of data maintenance.
3. Product data map management
Based on the constructed data map, reasoning query is carried out by using SPARQL language, and a user is supported to quickly acquire end-to-end models/data in the whole life cycle process.
The scheme can solve the problems of information isolated island and data unidirectional flow in the whole life cycle of a complex product. Compared with the existing method, the method provided by the invention can construct the digital main line supporting the full-life-cycle end-to-end bidirectional data flow, has the advantages of low maintenance cost and no data redundancy, can maintain the consistency and integrity of the model/data all the time, and can provide authoritative and credible model and data service for the full-life-cycle activities of complex products (such as product technical state control, product digital twin, data summary analysis and the like).
The present solution is further illustrated by the following examples.
As shown in fig. 1, in the query process, in step 1, the CAX tool is transferred to the M/DMS in the format of an original model or a lightweight format model (such as wrl, jt, obj, stl, and the like), and the system modeling and simulation tool and the information system generate a JSON-format file and transfer the JSON-format file to the M/DMS. After receiving the CAX model file, the M/DMS executes model attribute analysis first, and then starts to execute step 2 (see figure 1) in the inquiry process; and after receiving the JSON file, the M/DMS starts to execute the step 2. Step 2 in the query process is data parsing and mapping, the JSON file is parsed and attribute fields of the model/data are stored by using a script language, and then the attribute fields are associated with nodes in the data map. In the query process, step 3 is data acquisition, and the created data map is queried based on the SPARQL by using the RDFLib. As shown in fig. 1, step 2.2 in the query process is the viewing and editing of the model/data. The CAX model provides 2D/3D display and interactive operation functions, online visual editing and sharing can be performed on the model, three-dimensional marking and measurement can be performed, marked data are stored, and the model and a browsing visual angle can be shared through linkage.
Fig. 2 is a schematic diagram of supporting end-to-end data flow for a digital main line. Wherein, MagicDraw is a system modeling tool, and Creo Parametric is a three-dimensional CAD tool. Both can be integrated with the model/data management system through plug-in development. The former submits a system model and the latter submits a CAX model. And after the model/data management system receives the model, carrying out model attribute extraction, data analysis and association, consistency check and confirmation and the like. After the model is changed in the tool, the model can be submitted to the model data management system again for version updating. When the system model in the MagicDraw needs to acquire the data in the CAD model in the creoparmetric, firstly, the connection manager of the model data management system is used for establishing the association between the system model and the CAD model, and then the data acquisition function of the integration plug-in is used in the MagicDraw, so that the data of the CAD model can be acquired. And vice versa.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
Claims (10)
1. A full lifecycle digital mainline service system for complex products, the system comprising:
the model/data management unit is used for extracting or receiving the model/data of the complex product from each information system in the full life cycle and associating the model/data with the data map in the full life cycle;
and the model/data service unit outputs the model/data of the end-to-end terminal in the complete life cycle of the complex product according to the user identity and the query request.
2. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data management unit comprises:
and the attribute extraction module is used for acquiring the structured data or the system model and corresponding attribute information according to the query request of the user.
3. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data management unit comprises:
and the read-write module is used for editing and/or checking the model/data according to the interactive operation instruction of the user.
4. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data management unit comprises:
the version management module is used for directly calling the latest model/data version according to the latest effective principle; or, based on the query request, a historical version of the model/data is retrieved.
5. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data management unit comprises:
the authority management module is used for configuring query authority for the user; or, according to the user identity, matching the model/data corresponding to the query authority.
6. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data management unit comprises:
and the data map generation module is used for expanding the basic data map to generate a complete complex product data map based on the processing of structured, semi-structured and unstructured data of historical product models.
7. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data management unit comprises:
and the association module is used for automatically associating the model/data with the data map through the same mark.
8. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data management unit comprises:
and the checking module is used for checking the integrity of the data map according to the condition of the associated model/data of the data map, and generating a checking report.
9. The complex product full lifecycle digital mainline service system according to claim 1, wherein the model/data service unit comprises: and the query module is used for developing inference query by using SPARQL language based on the product data map and acquiring end-to-end models/data in the whole life cycle of the complex product.
10. The complex product full lifecycle digital mainline service system according to claim 1, further comprising: a model/data source for storing the model/data.
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