CN102930389A - Product design knowledge management method and system - Google Patents
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Abstract
The invention provides a product design knowledge management method and a product design knowledge management system, and relates to the field of computers. The method comprises the following steps of: collecting and organizing design cases related to each design activity according to the knowledge requirements of each design activity in a product design process, and combining the design cases into knowledge units corresponding to the design activities. Or, after the formation of the knowledge units, the method also comprises the following steps of: analyzing design steps of each design activity and a required solver, and packaging the knowledge unit, the design steps and the solver, which correspond to each design activity, into a knowledge component corresponding to the design activity. After being formed, the knowledge components also can be registered and published to form shared knowledge service. The product design knowledge management scheme has the advantages of integration, knowledgeability, parameterization, automation, configurability, navigability and the like, complexity in problem solving is lowered, and requirements for the design experiences of a designer are lowered.
Description
Technical field
The present invention relates to computer realm, relate in particular to a kind of product design knowledge management method and system.
Background technology
At present, that complex product performance index with high, precision and frontier technical characterictic require is high, structure and operating mode complexity, the system integration are high, it is multidisciplinary multi-specialized to relate to, therefore the product design process of this series products is the creative activity of a kind of technology-intensive type and knowledge-intensive high complexity, needs to carry out between enterprises and the enterprise widely knowledge resource and shares.And at present owing to lack the Method and kit for of effectively conclusion and running product design relevant knowledge, cause Enterprise Design Knowledge independently disperse, numerous and diverse unordered, the reusable rate is not high, the designer begins before the product design, need the cost plenty of time to search relevant knowledge, a large amount of resources are wasted in the repetitive work.Therefore accumulation method and the instrument of perfect enterprise design knowledge resource can improve the efficient of product development, the quality that improves product, reduction cost of products to greatest extent.
Present knowledge management method and system lack systematization, stratification and the targetedly management to design knowledge, and imbody is as follows:
(1) most Knowledge Management System is confined to the management to the product design correlated knowledge point, causes knowledge discrete, unordered, can't form comprehensive, the systematized solution for particular problem;
(2) product design be unable to do without the support of various advanced tools, such as CAD, CAE and optimizing Design Software etc., and the professional knowledge that these software operations are complicated, needs are a large amount of, and present Knowledge Management System lacks the fusion of design tool and knowledge;
(3) Design Knowledge Management System is confined to the enterprises application, lacks external knowledge services function.
In sum, design knowledge lacks the systematization tissue in the existing product design process, lack between design knowledge and the design cycle and merge, and shortage is towards the knowledge services of wider scope knowledge sharing.
Summary of the invention
The embodiment of the invention provides a kind of product design knowledge management method and system, design knowledge lacks the systematization tissue in the existing product design process in order to solve, lack between design knowledge and the design cycle and merge, and lack towards the problem of the knowledge services of wider scope knowledge sharing.
For achieving the above object, one aspect of the present invention has proposed a kind of product design knowledge management method, comprise: according to the knowledge requirement of each design activity in the product design process, compile the design example relevant with each design activity and it is combined as blocks of knowledge corresponding to each design activity.
Preferably, in the said goods Design Knowledge Management method, described according to product design process in the knowledge requirement of each design activity, compile the design example relevant with each design activity and it is combined as after the blocks of knowledge corresponding to each design activity, the method also comprises step: design procedure and the required solver of analyzing each design activity, the blocks of knowledge that each design activity is corresponding, design procedure and solver encapsulation form the knowledge component corresponding to this design activity.
Preferably, in the said goods Design Knowledge Management method, design procedure and required solver in described each design activity of analysis, the blocks of knowledge that each design activity is corresponding, design procedure and required solver are packaged into after the knowledge component corresponding to this design activity, and the method also comprises step: knowledge component is registered, issued form sharable knowledge services.
Preferably, in above-mentioned each product design knowledge management method, stored at least one design example in each described blocks of knowledge.
Preferably, described design example comprises document class knowledge, calculation knowledge and the experimental knowledge that shows with the template form; Template corresponding to each described document class knowledge comprises the blocks of knowledge title of current document class knowledge, the affiliated class of activity, blocks of knowledge theme, keyword, summary, level of confidentiality, text, typing time and typing personal information; The template that each described calculation knowledge is corresponding comprises the affiliated class of activity, computing formula, Computing Principle, sample calculation, parametric description, Formula For Solving, level of confidentiality, typing time and the typing personal information of the blocks of knowledge title of current calculation knowledge, current calculation knowledge; Template corresponding to each described experimental knowledge comprises synoptic diagram, coherent reference data, level of confidentiality, typing time and the typing personal information of the blocks of knowledge title of current experimental knowledge, the affiliated class of activity, blocks of knowledge theme, problem condition description, the problem analysis of causes, solution description, relevant supplementary information, scheme.
The present invention also provides a kind of product design Knowledge Management System on the other hand, comprises the blocks of knowledge administration module; Described blocks of knowledge administration module comprises several blocks of knowledge, and each blocks of knowledge is for the several design example that provides to the user corresponding to a kind of product design activity.
Preferably, the said goods Design Knowledge Management System also comprises the knowledge component administration module; Described blocks of knowledge administration module and described knowledge component administration module interconnect; Comprise several packaged in advance knowledge components in the described knowledge component administration module; Described knowledge component administration module is used for calling the blocks of knowledge of described blocks of knowledge administration module to form new knowledge component; In addition, described knowledge component administration module also is used for providing single knowledge component to the user, perhaps, described knowledge component administration module also is used for the design request according to the user, calls several knowledge components and it is combined as to offer the user after flow process is found the solution in complete design.
Preferably, the said goods Design Knowledge Management System also comprises respectively and is connected the knowledge server that blocks of knowledge administration module and described knowledge component administration module connect; Described knowledge server is used for the knowledge services demand according to the user, and according to blocks of knowledge administration module and knowledge component administration module, Auto-matching goes out the relevant knowledge service, and the relevant knowledge Services Composition is formed concrete solution offers the user; Wherein, described knowledge services comprises the corresponding issue-resolution of each design activity that the knowledge that records in the described blocks of knowledge and/or described knowledge component provide.
Preferably, in the said goods Design Knowledge Management System, described knowledge component comprises: the user interactions interface is the human-computer interaction interface that the user arranges, operates and describe correlation attribute information knowledge component; Described user interactions interface is connected with solver, is used for sending enabled instruction to described solver; The input data-interface is used for the storage input parameter and provides it to the input data parser; The input data parser offers solver after being used for the input parameter that described input data-interface provides resolved to the parameter that described solver can identify; Solver, it is the core tool of completing user design request, be used for starting according to the enabled instruction of described user interactions interface, by the combing to blocks of knowledge, carry out related with empirical value with described input data-interface relevant control law, and the mutual restriction relation between the scope of intelligent decision input parameter and the input parameter, and self execution information fed back to described user interactions interface; Described solver also is used for the destination file that solves is offered the output data parser; The output data parser is used for the destination file that described solver provides is resolved automatically, extracts the solving result parameter, and the solving result parameter is carried out offering the output data-interface after the conversion process according to designer's requirement; The output data-interface is used for storing the solving result parameter that described output data parser provides; The input control interface, for the variable of storage input control order, in addition, when needs made up a plurality of knowledge component, the current knowledge assembly was undertaken related with the logical relation between its last knowledge component by the input control interface in the current knowledge assembly; The input control resolver is used for realizing the association of the steering logic between last knowledge component and the current knowledge assembly by the last knowledge component of described input control interface automatic sensing; Output control resolver is used for by a knowledge component behind the output control interface automatic sensing association of steering logic between a knowledge component and the current knowledge assembly after realizing; The output control interface is used for when needs make up a plurality of knowledge component, and the current knowledge assembly is undertaken related with the logical relation between the knowledge component thereafter by the output control interface in the current knowledge assembly; The blocks of knowledge associated interface, be used for automatically will be relevant with the current design task blocks of knowledge and current knowledge assembly carry out related.
Preferably, in the said goods Design Knowledge Management System, described knowledge server comprises service describing module, Service Matching module and service composite module; Described service describing module is used for providing pre-stored various services and descriptor thereof to the user; Described Service Matching module is used for service and the descriptor thereof in conjunction with described service describing module records, and Auto-matching goes out the physics services set merging relevant with user's design requirement and provides it to described Services Composition module from blocks of knowledge administration module and/or knowledge component administration module; Described Services Composition module obtains meeting the optimal service combination of user's design requirement for the physics set of service that provides according to the Service Matching module.
Preferably, described Service Matching module is decomposed into the sub-demand task with clear and definite functional requirement with user's design requirement first, then provide concrete input and output for every sub-demand task and set up logical relation between them, and foundation is for the Virtual Service of every sub-demand task, last Service Matching module is according to the service description information of each Virtual Service, employing similarity coefficient method realizes the coupling between each Virtual Service and the real service, for each Virtual Service, will to its highly similar real service polymerization after form the physics services set satisfy the corresponding sub-demand task of this Virtual Service and merge and offer described Services Composition module; The optimal service that described Services Composition module meets the relation of actuating logic between each sub-demand task by genetic algorithm for solving is combined described optimal service combination is offered the user.
The invention has the beneficial effects as follows:
The product design knowledge management method that can form blocks of knowledge provided by the invention can be with discrete knowledge point comprehensively in a blocks of knowledge, formed comprehensive, the systematized solution for particular problem, product design Knowledge Management System with this kind blocks of knowledge can provide total solution for a certain design activity to the user, save designer's design time, had advantage efficient, that can be recycled.
On the other hand, the product design knowledge management method that can form knowledge component provided by the invention can encapsulate numerous and diverse solution procedure, as the solvers such as CAD, CAE and optimizing Design Software and blocks of knowledge are encapsulated into together, that is: with complicated operation, need method of operating and the corresponding blocks of knowledge of the solver of a large amount of professional knowledge and practical experience to be packaged into a black box, further realized the optimum management of product design knowledge.That product design Knowledge Management System with this kind knowledge component provided by the invention has is integrated, more educated, parametrization, robotization and configurable, the advantage such as can navigate, reduced the complicacy of problem solving, reduced the design experiences requirement to the designer, greatly improve design efficiency, had very strong practicality.
Again on the one hand, above-mentioned based on blocks of knowledge, on the basis of the product design knowledge management method of knowledge component, the present invention also provides a kind of product design knowledge management method that can form knowledge services, the knowledge management application of further will using by oneself is to larger scope, product design Knowledge Management System corresponding to this product design knowledge management method provided by the invention not only has the advantage of foregoing Knowledge Management System based on blocks of knowledge and knowledge component, this system has also realized from self-service to the process for his service, has greatly expanded the range of application that knowledge resource is shared.
Description of drawings
The blocks of knowledge example based on one in the product design Knowledge Management System of blocks of knowledge " design of cabin body " by name that Fig. 1 provides for the embodiment of the invention one;
Concern synoptic diagram between the blocks of knowledge that Fig. 2 provides for the embodiment of the invention and the product design activity;
A kind of product design knowledge management method process flow diagram based on knowledge component that Fig. 3 provides for the embodiment of the invention two;
The structural representation based on the knowledge component in the product design Knowledge Management System of knowledge component that Fig. 4 provides for the embodiment of the invention two;
Fig. 5 for the embodiment of the invention two provide based on the knowledge component interface synoptic diagram in the product design Knowledge Management System of knowledge component;
A kind of product design knowledge management method process flow diagram based on knowledge services that Fig. 6 provides for the embodiment of the invention three;
The knowledge services interface based on the product design Knowledge Management System of knowledge services that Fig. 7 provides for the embodiment of the invention three;
The knowledge server of the product design Knowledge Management System that Fig. 8 provides for the embodiment of the invention three carries out the vivid synoptic diagram of Service Matching and Services Composition.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the invention lacks the systematization tissue for design knowledge in the product design process, lack between design knowledge and the design cycle and merge, and lack problems such as knowledge services towards wider scope knowledge sharing, propose a kind of based on blocks of knowledge or based on blocks of knowledge and knowledge component or based on product design knowledge management method and the system of blocks of knowledge, knowledge component and knowledge services.
Embodiment one
The form that knowledge exists is varied, and design example for example, design example comprise and designing a model and related design documentation, are the final design schemes of approved product; Design example comprises the information such as technical information, experience skill, computing formula, design parameter, and wherein, technical information is various reported literatures that exist with discrete form etc., comprises standard criterion, technical manual, research report, patent, scientific paper etc.The experience skill is the solution that provides for particular problem that the designer accumulates in long-term practice, and this class knowledge mainly exists with the form of recessiveness, need to fully excavate it and make its domination; Computing formula and calculating parameter mainly are experimental formula and the parameters through checking that adopts for the specific design problem.In the prior art owing to lack systematized tissue, these knowledge resources are general all to be existed with discrete form, can not form the total solution for a certain design activity, therefore when carrying out concrete design activity, often need to expend a large amount of time and efforts of designer and remove to search, analyze and organize these knowledge resources, need to repeat some insignificant work, and can not concentrate on the of product design own to main energy.
Present embodiment provides a kind of product design knowledge management method based on blocks of knowledge, the method is: according to the knowledge requirement of each design activity in the historical product design process, compile the design example relevant with each design activity and it is combined as blocks of knowledge corresponding to each design activity.Each blocks of knowledge has encapsulated several historical design examples of respective design activity, and each design example comprises the related contents such as Guide Book, standard criterion, research report, intellecture property, solution and experimental knowledge.Blocks of knowledge is corresponding and provide the minimum knowledge collection of relative total solution for the Solve problems for the treatment of of the design activity related with it one by one with the product design activity.If design activity is defined as the base unit of design process, then blocks of knowledge described herein is the base unit of knowledge.Design activity is the decomposition result of design process, and the mutual combination between the design activity can form a certain design process, and therefore, blocks of knowledge also can be combined to form blocks of knowledge and gather to come and be a certain design process service.
Preferably, the product design knowledge management method based on blocks of knowledge that provides of present embodiment further comprises: the knowledge to each design example of encapsulating in the blocks of knowledge is carried out Classification Management.Preferably, the knowledge with each design example is divided three classes: document class knowledge, calculation knowledge and experimental knowledge.Wherein, document class knowledge comprises the knowledge that Guide Book, standard criterion, research report, intellecture property etc. exist with the form of document, and table 1 is depicted as the information of the required record of each document class knowledge, is called the document class knowledge templet at this.Calculation knowledge generally is described by the implication of computing formula itself and calculating parameter, and the calculation knowledge template is organized according to template shown in the table 2.Experimental knowledge is the solution of problem scheme, such as design tactics, the quality of the product document etc. that makes zero, because this type of knowledge specific aim is very strong, therefore can organize according to the template of experimental knowledge shown in the table 3.
Table 1 document class knowledge templet
Table 2 calculation template
Table 3 experimental knowledge template
The product design knowledge management method based on blocks of knowledge that provides corresponding to present embodiment, present embodiment also provides a kind of product design Knowledge Management System based on blocks of knowledge, this system comprises the blocks of knowledge administration module, described blocks of knowledge administration module comprises several blocks of knowledge, and each blocks of knowledge is for the several design example that provides to the user corresponding to a kind of product design activity.
Preferably, each blocks of knowledge is used for providing with the record of template form: document class knowledge, calculation knowledge and experimental knowledge.Wherein, document class knowledge comprises Guide Book, standard criterion, research report and intellecture property.Preferably, every kind of document class knowledge templet records the information shown in the table 1, and every kind of calculation template records the information shown in the table 2, and every kind of experimental knowledge template records the information shown in the table 3.
Be illustrated in figure 1 as the blocks of knowledge example based in the product design Knowledge Management System of blocks of knowledge " design of cabin body " by name that present embodiment provides, by perpendicular hurdle, left side among Fig. 1 as seen: " design of cabin body " blocks of knowledge comprises " Guide Book ", " calculation template ", " standard criterion ", " research report ", " intellecture property ", " solution " and " experimental knowledge " several parts.The right side is " experimental knowledge " Template Information that provides based on " design of the cabin body " blocks of knowledge in the product design Knowledge Management System of blocks of knowledge provided by the invention among Fig. 1.
The product design Knowledge Management System based on blocks of knowledge that adopts present embodiment to provide is carried out product design method and is: at first, the user is decomposed into several design activities from being about to product design process; Then, the inquiry present embodiment provide based in the product design Knowledge Management System of blocks of knowledge corresponding to the historical design example in the blocks of knowledge of each design activity, access the knowledge resource relevant with this design example, then carry out design procedure according to the requirement of the design guidance handbook in the knowledge resource that accesses and design.Wherein, when carrying out design procedure, need to follow the standard criterion of the design of storing in the blocks of knowledge, with reference to information such as research report and intellecture properties, when running into particular problem, can in issue-resolution, search.Figure 2 shows that the synoptic diagram that concerns between blocks of knowledge and the product design activity, as shown in Figure 2: first product design process is decomposed into several design activities and (is convenient expression among Fig. 2, if this product design process comprises 11 design activities), then for each design activity, call the knowledge design of storing in its corresponding blocks of knowledge and get final product.
The comprehensive multiple historical design example of the product design knowledge management scheme based on blocks of knowledge that present embodiment provides, to its classified finishing, the total solution that has formed for a certain design activity offers the user, save a large amount of design time of designer, greatly improved product design efficiency.
Embodiment two
Blocks of knowledge described in the embodiment one is the static knowledge resource of organizing for a certain design activity, it is less to have the ken that certain specific aim and each blocks of knowledge can inquire about, if therefore only adopt the blocks of knowledge Computer Aided Design, then all need artificially to analyze the concrete scheme that it is dealt with problems when carrying out product design, the solver that then this scheme and corresponding active node is adopted combines and solves a difficult problem that faces.In fact, there are a large amount of modelings and problem analysis in the product design process, analyze such as the finding the solution of parameter, structure analysis, fluid analysis, heat etc., these are found the solution or analytic process all is to carry out under the support of some experimental formula or professional software, be proficient in professional knowledge in order to obtain accurately solving result requirement designer, have abundant practical experience, can skillfully grasp the using method of these softwares, therefore, for the new employee, be familiar with very long process of these field needs of work.
For the problems referred to above, optimal situation is that the interior details of the calculating of experience skill and various complexity, analysis is processed as a black box, the designer only need provide input to get final product, present embodiment provides can realize a kind of product design knowledge management method based on knowledge component of this purpose, as shown in Figure 3, the method may further comprise the steps:
S1: according to the knowledge requirement of each design activity in the historical product design process, compile the knowledge resource relevant with each design activity and it is combined as blocks of knowledge corresponding to each design activity.The embodiment of this step is seen embodiment one, repeats no more herein.
S2: analyze design procedure and the required solver of each design activity, the blocks of knowledge that each design activity is corresponding, design procedure and solver encapsulate, and form the knowledge component corresponding to this design activity.
Assembly is the encapsulation to data and method, has clear and definite operand and method of operating, can realize an independently function.The knowledge component that the embodiment of the invention provides is based on the principle of assembly to the encapsulation of blocks of knowledge and solver, has clear and definite input parameter and solving result.Obviously, can the flow process of finding the solution of problem be encapsulated by the combination between the knowledge component, realize the automatic calculation of whole flow process, for example realize modeling, emulation and the Optimizing Flow of certain parts.
The product design knowledge management method based on knowledge component that provides corresponding to present embodiment, present embodiment also provides a kind of product design Knowledge Management System based on knowledge component, this system is on the basis based on the product design Knowledge Management System of blocks of knowledge that embodiment one provides, further increased the knowledge component administration module, that is: the product design Knowledge Management System that provides of present embodiment comprises blocks of knowledge administration module and knowledge component administration module, and described blocks of knowledge administration module and described knowledge component administration module interconnect; Comprise several packaged in advance knowledge components in the described knowledge component administration module.Wherein, be used for described in blocks of knowledge administration module such as the embodiment one providing design example corresponding to a kind of product design activity to the user, what also be used for accepting the knowledge component administration module calls to form new knowledge component.The knowledge component administration module is used for calling the blocks of knowledge of described blocks of knowledge administration module to form new knowledge component; In addition, be used for providing single knowledge component to the user, perhaps, the knowledge component administration module also is used for the design request according to the user, calls several knowledge components and it is combined as to offer the user after flow process is found the solution in complete design.Obviously, in the Knowledge Management System that provides of present embodiment in advance packaged blocks of knowledge and knowledge component can offer separately separately the user.
The concrete structure of the knowledge component in the knowledge component administration module that the embodiment of the invention provides comprises as shown in Figure 4: solver 401, user interactions interface 402, blocks of knowledge associated interface 403, input data-interface 404, output data-interface 405, input control interface 406, output control interface 407, input data parser 408, output data parser 409, input control resolver 410 and output control resolver 411.Wherein,
Solver 401 is core tools of completing user design request, such as various calculation procedures, CAD modeling tool, cae analysis instrument, optimization tool etc.Solver 401 is used for starting according to the enabled instruction of described user interactions interface, by the combing to blocks of knowledge, carry out related with empirical value with input data-interface 404 relevant control law, realize the scope of intelligent decision input parameter and the function of the mutual restriction relation between the input parameter, and self execution information is fed back to described user interactions interface; Described solver also is used for the destination file that solves is offered the output data parser.
User interactions interface 402 is the human-computer interaction interfaces that make the user arrange, operate and describe correlation attribute information knowledge component.Be used for providing the selection such as parameter, the setting of data flow, the operations such as control of actuating logic to the user, and the description of the attribute informations such as the title of the knowledge component of required use, function, supplier and creation-time.The user interactions interface is connected with solver.Because the input and output that different knowledge components has are different, therefore its user interactions interface is also different, preferably, in order to carry out fast packing to knowledge component, user interactions interface 402 can be according to the automatic configuration integrate of the parameter information of Description of Knowledge assembly.
Blocks of knowledge associated interface 403 be used for automatically will be relevant with the current design task blocks of knowledge and current knowledge assembly carry out relatedly, the user only needs the key word of appointment description current design task in the user interactions interface 402 of current knowledge assembly get final product.
Input data-interface 404 is used for the storage input parameter and provides it to input data parser 408.
The input parameter that input data parser 408 will be inputted data-interface 404 and provide offers solver 401 after resolving to the parameter that solver can identify.
Output data parser 409, be used for the destination file (such as the .m file of Matlab, the .Prt file of Pro/e) that solver 401 generates is resolved automatically, extract the solving result parameter, and the solving result parameter is carried out offering output data-interface 405 after the conversion process according to designer's requirement.
Output data-interface 405 is used for the solving result parameter that storage output data parser 409 provides.
Input control resolver 410 is used for realizing the association of steering logic between last knowledge component and the current knowledge assembly by the last knowledge component of input control interface 406 automatic sensings.
Output control resolver 411 is used for by a knowledge component behind output control interface 407 automatic sensings association of steering logic between a knowledge component and the current knowledge assembly after realizing.
Obviously, when needs made up a plurality of knowledge component, the data transitive relation between any two adjacent knowledge components was carried out association by the input/output data interface.
The knowledge component based in the product design Knowledge Management System of knowledge component that present embodiment provides encapsulates numerous and diverse solution procedure, have integrated, more educated, parametrization, robotization and configurable, the advantage such as can navigate, reduced the complicacy of problem solving, on the basis based on the product design Knowledge Management System of blocks of knowledge, further improved the solution efficiency of system.
Figure 5 shows that present embodiment provides based on the knowledge component administration module interface synoptic diagram in the product design Knowledge Management System of knowledge component, as seen from Figure 5: in knowledge component, encapsulated the input and output interface of all kinds of solvers, knowledge component etc., the user can in this interface, finish product design process all find the solution work.When carrying out product design, can pass through the value of the knowledge control inputs parameter of encapsulation, can directly obtain relevant knowledge by the blocks of knowledge in this Knowledge Management System simultaneously, significantly improve designed capacity and design efficiency.
Embodiment three
Blocks of knowledge and knowledge component can only be confined to the inner use of project team, if enlarge its usable range (knowledge sharing between the project cooperation enterprise), also need further to be translated into knowledge services.Therefore, present embodiment knowledge component is provided can provide a kind of product design knowledge management method based on knowledge services for other users' knowledge services on the basis of embodiment two, and as shown in Figure 6, the method comprising the steps of:
S1: according to the knowledge requirement of each design activity in the historical product design process, compile the knowledge resource relevant with each design activity and it is combined as blocks of knowledge corresponding to each design activity.The embodiment of this step is seen embodiment one, repeats no more herein.
S2: analyze design procedure and the required solver of each design activity, the blocks of knowledge that each design activity is corresponding, design procedure and required solver are packaged into the knowledge component corresponding to this design activity.The embodiment of this step is seen embodiment two, repeats no more herein.
S3: the sharable knowledge services of formation is registered, issued to knowledge component.
The formation of blocks of knowledge, knowledge component and knowledge services in above-mentioned three steps is actually the three phases of information management, be make knowledge from disorder to order, merge from dispersing to, from self-service to he the service process.Say that from application point three phases can be the product design process service in conjunction with can independently carrying out again.
The product design knowledge management method based on knowledge services that provides corresponding to present embodiment, present embodiment also provides a kind of product design Knowledge Management System based on knowledge services, this system is on the basis based on the product design Knowledge Management System of knowledge component that embodiment two provides, further increased knowledge server, that is: this Knowledge Management System comprises blocks of knowledge administration module, knowledge component administration module and knowledge server; Described knowledge server is connected with blocks of knowledge administration module, knowledge component administration module respectively.Described knowledge server is used for the knowledge services demand according to the user, and according to blocks of knowledge administration module and knowledge component administration module, Auto-matching goes out the relevant knowledge service, and the relevant knowledge Services Composition is formed concrete solution offers the user.Knowledge services described herein comprises knowledge and/or the knowledge component itself that records in the blocks of knowledge.Be illustrated in figure 7 as the knowledge services interface of the product design Knowledge Management System based on knowledge services provided by the invention, the knowledge requirement person only need pass through this knowledge services interface In-put design demand (such as input and output parameter, solver etc.), then this knowledge server is according to the design requirement information of receiving, go out the related service that exists in the current knowledge management system by knowledge matching feature Auto-matching, then it is pushed to the user and uses.
Preferably, knowledge server comprises service describing module, Service Matching module and service composite module.
Wherein, the service describing module is used for providing pre-stored various services and descriptor thereof to the user.The description of service describing module is that this module also is an interface that is complementary with design requirement to the all-side introduction of service, and the user can check according to the service describing module information such as specific service content of related service.Web service description contents specifically comprises: the knowledge services base attribute is described, ability and the set of interfaces of knowledge services are described three parts.The below provides knowledge services and describes shown in table 4, table 5 and table 6 take the power blade parameter optimization as example.
The base attribute of table 4 knowledge services
| Service name | The ISP | The service-creation time | Service type |
| The power blade parameter optimization | Beijing Institute of Technology | 2012-05-30 | The performance optimization service |
The competence set of table 5 knowledge services
The set of interfaces of table 6 knowledge services
The Service Matching module is used for service and the descriptor thereof in conjunction with the service describing module records, and Auto-matching goes out the physics services set merging relevant with user's design requirement and provides it to the Services Composition module from blocks of knowledge administration module and/or knowledge component administration module.Particularly, the Service Matching module is decomposed user's design requirement first.Wherein, except considering the functional requirement, also need consider the operation flow of design requirement during decomposition.User's design requirement is through being decomposed to form the sub-demand task with clear and definite functional requirement.Then the Service Matching module provides concrete input and output for every sub-demand task and sets up logical relation between them, sets up the Virtual Service for every sub-demand task.Last Service Matching module is according to the service description information of each Virtual Service, employing similarity coefficient method realizes the coupling between each Virtual Service and the real service, for each Virtual Service, will satisfy to formation after its highly similar real service polymerization the physics set of service of the corresponding sub-demand task of this Virtual Service.Wherein, it should be what kind of that Virtual Service has been described the service of satisfying current demand task, is the mapping model of setting up for the coupling between realization demand and the real service, and Virtual Service comprises the descriptor of service equally.Physics service described herein is the knowledge services that blocks of knowledge that the embodiment of the invention provides and/or knowledge component can provide.
The Services Composition module obtains meeting the optimal service combination of user's design requirement for the physics set of service that provides according to the Service Matching module.Wherein, because the physics set of service corresponding to each sub-demand task that the Service Matching module provides is the Candidate Set that carries out Services Composition, need in each Candidate Set, select concrete service according to the requirement of each sub-demand task, in fact, the Services Composition module optimal service that meets the relation of actuating logic between each sub-demand task by genetic algorithm for solving is combined described optimal service combination is offered the user.
Figure 8 shows that the knowledge server of the product design Knowledge Management System that present embodiment provides carries out the vivid synoptic diagram of Service Matching and Services Composition.
The product design knowledge management scheme based on knowledge services that present embodiment provides forms knowledge services with the local blocks of knowledge that uses of designer and knowledge component, this knowledge services not only has the advantage of the product design knowledge management scheme that embodiment one and embodiment two provide, can also for wider designer, greatly expand the scope that knowledge resource is shared.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a product design knowledge management method is characterized in that, comprising:
According to the knowledge requirement of each design activity in the product design process, compile the design example relevant with each design activity and it is combined as blocks of knowledge corresponding to each design activity.
2. product design knowledge management method as claimed in claim 1, it is characterized in that, described according to product design process in the knowledge requirement of each design activity, compile the design example relevant with each design activity and it is combined as after the blocks of knowledge corresponding to each design activity, the method also comprises step:
Analyze design procedure and the required solver of each design activity, the blocks of knowledge that each design activity is corresponding, design procedure and solver encapsulation form the knowledge component corresponding to this design activity.
3. product design knowledge management method as claimed in claim 2, it is characterized in that, design procedure and required solver in described each design activity of analysis, the blocks of knowledge that each design activity is corresponding, design procedure and required solver are packaged into after the knowledge component corresponding to this design activity, and the method also comprises step:
The sharable knowledge services of formation is registered, issued to knowledge component.
4. such as each described product design knowledge management method of claims 1 to 3, it is characterized in that, stored at least one design example in each described blocks of knowledge.
5. product design knowledge management method as claimed in claim 4 is characterized in that, described design example comprises document class knowledge, calculation knowledge and the experimental knowledge that shows with the template form;
Template corresponding to each described document class knowledge comprises the blocks of knowledge title of current document class knowledge, the affiliated class of activity, blocks of knowledge theme, keyword, summary, level of confidentiality, text, typing time and typing personal information;
The template that each described calculation knowledge is corresponding comprises the affiliated class of activity, computing formula, Computing Principle, sample calculation, parametric description, Formula For Solving, level of confidentiality, typing time and the typing personal information of the blocks of knowledge title of current calculation knowledge, current calculation knowledge;
Template corresponding to each described experimental knowledge comprises synoptic diagram, coherent reference data, level of confidentiality, typing time and the typing personal information of the blocks of knowledge title of current experimental knowledge, the affiliated class of activity, blocks of knowledge theme, problem condition description, the problem analysis of causes, solution description, relevant supplementary information, scheme.
6. a product design Knowledge Management System is characterized in that, comprises the blocks of knowledge administration module; Described blocks of knowledge administration module comprises several blocks of knowledge, and each blocks of knowledge is for the several design example that provides to the user corresponding to a kind of product design activity.
7. product design Knowledge Management System as claimed in claim 6 is characterized in that, this system also comprises the knowledge component administration module; Described blocks of knowledge administration module and described knowledge component administration module interconnect; Comprise several packaged in advance knowledge components in the described knowledge component administration module;
Described knowledge component administration module is used for calling the blocks of knowledge of described blocks of knowledge administration module to form new knowledge component; In addition, described knowledge component administration module also is used for providing single knowledge component to the user, perhaps, described knowledge component administration module also is used for the design request according to the user, calls several knowledge components and it is combined as to offer the user after flow process is found the solution in complete design.
8. product design Knowledge Management System as claimed in claim 7 is characterized in that, this system also comprises respectively and is connected the knowledge server that blocks of knowledge administration module and described knowledge component administration module connect;
Described knowledge server is used for the knowledge services demand according to the user, and according to blocks of knowledge administration module and knowledge component administration module, Auto-matching goes out the relevant knowledge service, and the relevant knowledge Services Composition is formed concrete solution offers the user;
Wherein, described knowledge services comprises the corresponding issue-resolution of each design activity that the knowledge that records in the described blocks of knowledge and/or described knowledge component provide.
9. such as claim 7 or 8 described product design Knowledge Management System, it is characterized in that described knowledge component comprises:
The user interactions interface is the human-computer interaction interface that the user arranges, operates and describe correlation attribute information knowledge component; Described user interactions interface is connected with solver, is used for sending enabled instruction to described solver;
The input data-interface is used for the storage input parameter and provides it to the input data parser;
The input data parser offers solver after being used for the input parameter that described input data-interface provides resolved to the parameter that described solver can identify;
Solver, it is the core tool of completing user design request, be used for starting according to the enabled instruction of described user interactions interface, by the combing to blocks of knowledge, carry out related with empirical value with described input data-interface relevant control law, and the mutual restriction relation between the scope of intelligent decision input parameter and the input parameter, and self execution information fed back to described user interactions interface; Described solver also is used for the destination file that solves is offered the output data parser;
The output data parser is used for the destination file that described solver provides is resolved automatically, extracts the solving result parameter, and the solving result parameter is carried out offering the output data-interface after the conversion process according to designer's requirement;
The output data-interface is used for storing the solving result parameter that described output data parser provides;
The input control interface, for the variable of storage input control order, in addition, when needs made up a plurality of knowledge component, the current knowledge assembly was undertaken related with the logical relation between its last knowledge component by the input control interface in the current knowledge assembly;
The input control resolver is used for realizing the association of the steering logic between last knowledge component and the current knowledge assembly by the last knowledge component of described input control interface automatic sensing;
Output control resolver is used for by a knowledge component behind the output control interface automatic sensing association of steering logic between a knowledge component and the current knowledge assembly after realizing;
The output control interface is used for when needs make up a plurality of knowledge component, and the current knowledge assembly is undertaken related with the logical relation between the knowledge component thereafter by the output control interface in the current knowledge assembly;
The blocks of knowledge associated interface, be used for automatically will be relevant with the current design task blocks of knowledge and current knowledge assembly carry out related.
10. product design Knowledge Management System as claimed in claim 9 is characterized in that, described knowledge server comprises service describing module, Service Matching module and service composite module;
Described service describing module is used for providing pre-stored various services and descriptor thereof to the user;
Described Service Matching module is used for service and the descriptor thereof in conjunction with described service describing module records, and Auto-matching goes out the physics services set merging relevant with user's design requirement and provides it to described Services Composition module from blocks of knowledge administration module and/or knowledge component administration module;
Described Services Composition module obtains meeting the optimal service combination of user's design requirement for the physics set of service that provides according to the Service Matching module.
11. product design Knowledge Management System as claimed in claim 10, it is characterized in that, described Service Matching module is decomposed into the sub-demand task with clear and definite functional requirement with user's design requirement first, then provide concrete input and output for every sub-demand task and set up logical relation between them, and foundation is for the Virtual Service of every sub-demand task, last Service Matching module is according to the service description information of each Virtual Service, employing similarity coefficient method realizes the coupling between each Virtual Service and the real service, for each Virtual Service, will to its highly similar real service polymerization after form the physics services set satisfy the corresponding sub-demand task of this Virtual Service and merge and offer described Services Composition module;
The optimal service that described Services Composition module meets the relation of actuating logic between each sub-demand task by genetic algorithm for solving is combined described optimal service combination is offered the user.
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