CN103646149A - Knowledge-engineering-based automatic scheme generation and evaluation system and method - Google Patents
Knowledge-engineering-based automatic scheme generation and evaluation system and method Download PDFInfo
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Abstract
The invention discloses a knowledge-engineering-based automatic scheme generation and evaluation system. The automatic scheme generation and evaluation system comprises a project management subsystem, a demand management subsystem, a product database subsystem, a collaborative design subsystem and an electronic product design technology platform, wherein the project management subsystem is in charge of providing solving ideas and tools; the demand management subsystem is used for decomposing the product design demand, converting into task indicators and multi-level task sequences, realizing dependence mapping and providing real-time monitoring of the indicators; the product database subsystem is used for managing design data and setting data standards and regulations; the collaborative design subsystem plays the role of a bridge; the electronic product design technology platform is in charge of generalizing and managing typical data, design methods and digital prototype models of all products and pushing information to the collaborative design subsystem. A method comprises the steps of knowledge extraction and classification, professional knowledge base setting, knowledge-engineering-based platform construction and automatic design scheme generation and evaluation. According to the invention, knowledge engineering is introduced into the electronic product design, so that the reuse rate of knowledge and other resources is effectively improved, automatic generation and evaluation of product schemes are realized, the product research and development time is shortened and the intelligence degree is high.
Description
Technical field
The present invention relates to the analysis field of electronic product conceptual design, particularly relate to a kind of scheme generation automatically, evaluating system and method for KBE.
Background technology
Enter 21 century, the new and high technology that the electronic technology of take is core has obtained general application in various fields.Electronic technology, as the important component part of modernized electronic technique, is being born the dual important task of maintenance safe and drive economic development.Along with expanding economy, becoming increasingly complex of electronic product, integrated, and the lead time requiring is also shorter and shorter, competition, traditional system development means can not meet modern's life requirement, and this just requires us from conceptual phase, just to start to improve ability and the level of systematic analysis, design.
Conceptual design is the starting point of product design process, is also the critical stage of products innovation, and it has become the core link of product development innovation, is also the Main Means that improves the quality of products, reduces costs, improves scientific and technological strength and enhance the competitiveness.From the process of conceptual design, conceptual design mainly comprises that Conceptual Design generates and two Main Stage of evaluation of conceptual design schemes.Along with to the going deep into of Conceptual Design Study, occurred large quantities of technical solutions about these two aspects and solution instrument, but the intellectuality of conceptual design process is the bottleneck of its development of restriction always.
A kind of advanced technology that knowledge engineering develops as artificial intelligence field, intellectuality lifting for conceptual phase has very large facilitation, yet the at present domestic knowledge capture in the design of the electronic applications system-oriented that also neither one is complete, the design platform of managing, reusing, cause engineering experience and design knowledge finely effectively not to accumulate and to transmit.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of scheme generation automatically, evaluating system and method for KBE are provided, knowledge engineering is incorporated in design of electronic products, give full play to the powerful effect of knowledge engineering technology in electronic product conceptual design, effectively improved the rate of reusing of the information resources such as knowledge, automatic generation and the automatic evaluation of having realized product solution, shortened the research and development of products time, and intelligent degree is high.
The object of the invention is to be achieved through the following technical solutions: the scheme of KBE generates automatically, evaluating system, it comprises main frame input equipment and output device, input equipment is connected with main frame respectively with output device, main frame comprises master controller and storer, database is stored in storer, described master controller comprises project management subsystem, demand management subsystem and collaborative design subsystem, database comprises product database subsystem and design of electronic products technology platform, collaborative design subsystem is the bridge that each subsystem is linked up, collaborative design subsystem respectively with design of electronic products technology platform, project management subsystem, demand management subsystem is connected with product database subsystem, between design of electronic products technology platform and collaborative design subsystem, mutually push knowledge, the project definition of project management subsystem recorded electronic product design technology platform input, statement of requirements relevant information, and demand information is carried to collaborative design subsystem, collaborative design subsystem pushes to demand management subsystem by demand information and requirements verification situation statistical information, demand management subsystem is returned to collaborative design subsystem by Requirement Decomposition, and the curing filing of model demand is committed to product database subsystem, product database subsystem is connecting electronic product design technology platform also, carry out product type with design of electronic products technology platform, the mutual propelling movement of knowledge precipitation relevant information, and push and examine result to collaborative design subsystem, receive the model research and development data that collaborative design subsystem is submitted to.
Project management subsystem is project planning, Task-decomposing, workflow management, project tracking, project adjustment, fixed edition solution thinking and instrument that complete maturation is provided of project data; Demand management subsystem decomposes the customer demand of electronic product system design, be converted into each task index and the multistage task sequence of electronic product, by electronic product system indexs at different levels and task sequence direct correlation mapping, and provide design of electronic products index to monitor in real time; Product database subsystem to design data concentrate, efficient and unified management, realize reusability and the trackability of data, formulate unified data standard and standard, realize data storage, share, excavation, inquiry, safety; Collaborative design subsystem is the bridge that each subsystem is linked up; Design of electronic products technology platform is responsible for concluding and managing typical data, method for designing and the digital prototype model of each electronic product, and to collaborative design subsystem pushed information.
Described input equipment comprises one or more combinations in mouse, keyboard and scanner, mouse, keyboard and scanner are connected with main frame respectively, output device comprises one or more combinations in sound equipment, printing device and display, and printing device is connected with main frame respectively with display.
Described design of electronic products technology platform comprises knowledge resource layer, administration and supervision authorities and system door layer, and system door layer is the entrance that user logined and used system; Administration and supervision authorities are responsible for object knowledge obtain, express and safeguard; Knowledge resource layer is responsible for the centralized management of each specialized knowledge base.
Described specialized knowledge base comprises product platform storehouse, Top-layer Design Method and conceptual approach, typical case storehouse, digital prototype storehouse, design report storehouse and field trial data management.
Described administration and supervision authorities comprise knowledge accumulation module, knowledge data library module and knowledge excavation module, and knowledge accumulation module is responsible for knowledge acquisition, knowledge is associated, knowledge is evaluated, knowledge forum is shared and knowledge comment; Knowledge data library module is responsible for Back ground Information maintenance, knowledge classification, knowledge maintenance, Custom Knowledge Base, knowledge change, knowledge rights management, the management of personal knowledge district and knowledge statistics; Knowledge excavation module is responsible for Knowledge Map management, expert's management map, knowledge query and knowledge and is recommended collection.
Described system door layer comprises door configuration, email message engine, application terminal and help guidance.
Described project management subsystem comprises Project Scope Management module, project process administration module and project knowledge module, and Project Scope Management module is responsible for project definition, the statement of requirements, Role and Responsibility, change control; Project process administration module is responsible for movable definition, progress design and progress monitoring; Project knowledge administration module is responsible for knowledge capture, knowledge store and knowledge sharing.
The scheme of KBE generates automatically, appraisal procedure, and it comprises the steps:
S1: knowledge is extracted and classification, sets up and includes data, method, standard and typical case at interior specialized knowledge base, builds the design of electronic products technology platform of KBE;
By carrying out electronic product knowledge engineering technology, study, at effective net environment, various application system resources, data resource and information resources unification are integrated under a platform;
Electronic product conceptual design knowledge and each ingredient knowledge thereof, comprise Functional Design, principle design, topological design, shape design and structural design, by OO method, be abstracted into different generic modules, and encapsulate, define the attribute of each knowledge generic module, function and with the relation of other knowledge generic module, after the division that these knowledge generic modules are held water, form the tree structure of a relation between can all kinds of knowledge modules of visual reflection, thereby set up the relational model of knowledge class, and storage is integrated under a platform,
S2: the automatic generation of Product Conceptual Design scheme, comprises following sub-step:
S21: user carries out demand analysis to required electronic product project of carrying out, and problem is explained with abstract;
S22: user is by the system door layer login system of design of electronic products technology platform, by input equipment input product project relevant information;
S23: project management subsystem record product project relevant information is also carried this information to collaborative design subsystem;
S24: collaborative design subsystem pushes to demand management subsystem by demand;
S25: demand management subsystem decomposes demand, is converted into each task index and the multistage task sequence of electronic product, and the curing filing of demand is committed to product database subsystem;
S26: product database subsystem according to demand information carries out module adjustment and restructuring, is then tabled look-up the dedicated application system that approaches demand is most provided by database, and dedicated application system creates Collaborative engineering on server;
S27: collaborative design subsystem calls the related content of specialized knowledge base in design of electronic products technology platform, carries out database according to electronic product function and tables look-up, and obtains target product, produces preliminary design proposal and shows by display;
According to the product item relevant information of input, extract main points or the key word of electronic product, from database, extract targetedly the data that main points or key word with electronic product shine upon mutually, the data of mapping are mutually combined, obtain the multiple design proposal beginning to take shape;
S3: the design proposal that automatic evaluation generates, collaborative design subsystem is to expectation target and the self-defined target of having stored in design of electronic products technology platform calling system, judge whether each design proposal meets desired value, if do not satisfy the demands, be back to step S22 and re-start optimal design, if satisfied the demands, automatically export design proposal and assessment report, by display, show.
Described product item relevant information comprises demand, expectation target, self-defined standard and index system.
Automatic evaluation design proposal adopts the scheme evaluation method based on step analysis, specifically comprises following sub-step:
S31: set up evaluation model;
S32: the evaluation index of each level is carried out to weight allocation according to evaluation model;
S33: the evaluate alternatives value of determining each scheme relative lndex;
S34: the comprehensive evaluate alternatives value of each level index, forms that index weights with respect to general objective distributes and comprehensive evaluation and the sequence of scheme.
The invention has the beneficial effects as follows: knowledge engineering is incorporated in design of electronic products, build up data, method, standard and typical case at four interior type systematic research and development specialized knowledge bases, effectively improved the rate of reusing of the information resources such as knowledge, and can realize automatic generation and the assessment of product solution, shorten the system research and development time, greatly improve the intelligent level of electronic product system conceptual design, General Promotion system research and development ability.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present invention;
Fig. 2 is the Organization Chart of design of electronic products technology platform;
Fig. 3 is method flow diagram of the present invention;
Fig. 4 is for generating the process flow diagram of Product Conceptual Design scheme.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, the scheme of KBE generates automatically, evaluating system, it comprises main frame, input equipment and output device, input equipment comprises mouse, keyboard and scanner, output device comprises sound equipment, display and printing device, display is connected with main frame by bus, mouse, keyboard, scanner, sound equipment and printing device are connected with main frame by wired or wireless mode respectively, according to user's request, the scheme that can directly produce by printing device print system and corresponding assessment report.Main frame comprises master controller and storer, storer comprises RAM, EEPROM and flash memory FLASH, database is stored in storer, described main frame comprises project management subsystem, demand management subsystem and collaborative design subsystem, database comprises product database subsystem and design of electronic products technology platform, collaborative design subsystem is the bridge that each subsystem is linked up, collaborative design subsystem respectively with design of electronic products technology platform, project management subsystem, demand management subsystem is connected with product database subsystem, between design of electronic products technology platform and collaborative design subsystem, mutually push knowledge, the project definition of project management subsystem recorded electronic product design technology platform input, statement of requirements relevant information, and demand information is carried to collaborative design subsystem, collaborative design subsystem pushes to demand management subsystem by demand information and requirements verification situation statistical information, demand management subsystem is returned to collaborative design subsystem by Requirement Decomposition, and the curing filing of model demand is committed to product database subsystem, product database subsystem is connecting electronic product design technology platform also, carry out product type with design of electronic products technology platform, the mutual propelling movement of knowledge precipitation relevant information, and push and examine result to collaborative design subsystem, receive the model research and development data that collaborative design subsystem is submitted to.
Project management subsystem is project planning, Task-decomposing, workflow management, project tracking, project adjustment, fixed edition solution thinking and instrument that complete maturation is provided of project data; Demand management subsystem decomposes the customer demand of electronic product system design, be converted into each task index and the multistage task sequence of electronic product, by electronic product system indexs at different levels and task sequence direct correlation mapping, and provide design of electronic products index to monitor in real time; Product database subsystem to design data concentrate, efficient and unified management, realize reusability and the trackability of data, formulate unified data standard and standard, realize data storage, share, excavate, inquiry, safety etc.; Design of electronic products technology platform is responsible for concluding and managing typical data, method for designing and the digital prototype model of each electronic product, and to collaborative design subsystem pushed information.
As shown in Figure 2, described design of electronic products technology platform comprises knowledge resource layer, administration and supervision authorities and system door layer, and system door layer is the entrance that user logined and used system; Administration and supervision authorities are responsible for object knowledge obtain, express and safeguard; Knowledge resource layer is responsible for the centralized management of each specialized knowledge base, and knowledge resource layer comprises data, method, standard and the large class specialized knowledge base of solution four, stores, and managed concentratedly by knowledge resource layer in structurized mode.
Described specialized knowledge base comprises product platform storehouse, Top-layer Design Method and conceptual approach, typical case storehouse, digital prototype storehouse, design report storehouse and field trial data management.Top-layer Design Method and conceptual approach comprise design system, design environment and design concept research, according to different majors type, apply different design systems and design environment.Typical case storehouse is according to the typical case of professional type stores different majors type, and digital prototype storehouse stores the digital prototype model of different majors type.Design report storehouse and field trial data management, all for different majors type, are preserved the design report for the treatment of reference and the field trial data of corresponding specialty.Specialized knowledge base is contained most of knowledge, and stores in structurized mode, as the support that scheme generates, assessment report generates.
Described administration and supervision authorities comprise knowledge accumulation module, knowledge data library module and knowledge excavation module, and knowledge accumulation module is responsible for knowledge acquisition, knowledge is associated, knowledge is evaluated, knowledge forum is shared and knowledge comment; Knowledge data library module is responsible for Back ground Information maintenance, knowledge classification, knowledge maintenance, Custom Knowledge Base, knowledge change, knowledge rights management, the management of personal knowledge district and knowledge statistics; Knowledge excavation module is responsible for Knowledge Map management, expert's management map, knowledge query and knowledge and is recommended collection.
Described system door layer comprises door configuration, email message engine, application terminal and help guidance.
Described project management subsystem comprises Project Scope Management module, project process administration module and project knowledge module, and Project Scope Management module is responsible for project definition, the statement of requirements, Role and Responsibility, change control; Project process administration module is responsible for movable definition, progress design and progress monitoring; Project knowledge administration module is responsible for knowledge capture, knowledge store and knowledge sharing.
The scheme of KBE generates automatically, appraisal procedure, user is when carrying out design of electronic products, mission requirements based on product, can be fast with reference to or quote existing product platform, carry out Function Decomposition and definition, specifically comprise the contents such as product ability need, the reference of existing procucts overall performance, quick entry evaluation, by adjusting console module, thus the automatic generation of practical function product solution, principle scheme.Then the product task index system obtaining according to product mission requirements, assesses the scheme of product, and whether proof scheme meets consumers' demand.As shown in Figure 3, the scheme of KBE generates automatically, appraisal procedure specifically comprises the steps:
S1: knowledge is extracted and classification, sets up and includes data, method, standard and typical case at interior specialized knowledge base, builds the design of electronic products technology platform of KBE.
By carrying out electronic product knowledge engineering technology, study, at effective net environment, various application system resources, data resource and information resources unification are integrated under a platform.Electronic product conceptual design knowledge and each ingredient knowledge thereof, comprise Functional Design, principle design, topological design, shape design and structural design, by OO method, be abstracted into different generic modules, and encapsulate, define the attribute of each knowledge generic module, function and with the relation of other knowledge generic module, after the division that these knowledge generic modules are held water, form the tree structure of a relation between can all kinds of knowledge modules of visual reflection, thereby set up the relational model of knowledge class, and storage is integrated under a platform.
This platform is broken through the gordian techniquies such as knowledge classification, feature extraction, knowledge excavation, the knowledge of design of electronic products is integrated, information management, realize design of electronic products research mode to based on knowledge excavation, reuse, direction integrated and innovation again changes, realize electronic product development to the transformation of digital emulation, design, checking and integration mode based on knowledge model, and lay the foundation for finally realizing brand-new research and development pattern.The various design and analysis instruments of integrated different subject specialties, the final design of electronic products technology platform that builds up KBE by system combination, General Promotion electronic product research and development ability.Plan to build into and include data, method, standard and typical case at four interior type systematic research and development professional knowledge databases, and can to knowledge, manage by associated and index, realize research and development task is carried out to the knowledge engineering system that specialty supports.
S2: the automatic generation of Product Conceptual Design scheme, as shown in Figure 4, comprises following sub-step:
S21: user carries out demand analysis to required electronic product project of carrying out, and problem is explained with abstract;
S22: user is by the system door layer login system of design of electronic products technology platform, and by input equipment input product project relevant information, product item relevant information comprises demand, expectation target, self-defined standard and index system etc.;
S23: project management subsystem record product project relevant information is also carried this information to collaborative design subsystem;
S24: collaborative design subsystem pushes to demand management subsystem by demand;
S25: demand management subsystem decomposes demand, is converted into each task index and the multistage task sequence of electronic product, and the curing filing of model demand is committed to product database subsystem;
S26: product database subsystem according to demand information carries out module adjustment and restructuring, is then tabled look-up the dedicated application system that approaches demand is most provided by database, and dedicated application system creates Collaborative engineering on server;
S27: collaborative design subsystem calls the related content of specialized knowledge base in design of electronic products technology platform, carries out database according to electronic product function and tables look-up, and obtains target product, produces preliminary design proposal and shows by display.
According to the product item relevant information of input, extract main points or the key word of electronic product, from database, extract targetedly the data that main points or key word with electronic product shine upon mutually, the data of mapping are mutually combined, obtain the multiple design proposal beginning to take shape.
The generation of design proposal solves conceptual design process exactly, obtains several possible Conceptual Designs.It is the prerequisite of evaluate alternatives that design proposal generates, and follow-up all working all carries out on this design proposal basis.Therefore design proposal generation is the marginal link of tool in whole conceptual design.User is when carrying out product design, mission requirements based on product, can be fast with reference to or quote existing product platform, carry out Function Decomposition and definition, if product ability need, existing procucts overall performance are with reference to, contents such as quick entry evaluation based on digital prototype, by adjusting console module, thus the automatic generation of practical function product solution, principle scheme.
S3: the design proposal that automatic evaluation generates, collaborative design subsystem is to expectation target and the self-defined target of having stored in design of electronic products technology platform calling system, judge whether each design proposal meets desired value, if do not satisfy the demands, be back to step S22 and re-start optimal design, if satisfied the demands, automatically export design proposal and assessment report, by display, show.
The final goal of conceptual design is to select the design proposal that is satisfied with most, then at follow-up detailed design phase, further develops.Conceptual Design all has appreciable impact to the performance of final products, cost, stability, security and the feature of environmental protection.Therefore,, for deviser, the appraisal and decision-making of selecting effective method to carry out Conceptual Design is vital.The present invention adopts the scheme evaluation method based on step analysis, and it is people's thought process stratification, quantification, and provides quantitative foundation by mathematical method for analysis, decision-making, forecast or control.Scheme evaluation method based on step analysis is divided into some levels the key element that is mutually related by membership, relative importance quantitative index to each level, each factor, utilize mathematical method to provide the relative importance weights of each level, each key element, as the basis of comprehensive analysis.
Automatic evaluation design proposal adopts the scheme evaluation method based on step analysis, specifically comprises following sub-step:
S31: set up evaluation model;
S32: the evaluation index of each level is carried out to weight allocation according to evaluation model;
S33: the evaluate alternatives value of determining each scheme relative lndex;
S34: the comprehensive evaluate alternatives value of each level index, forms that index weights with respect to general objective distributes and comprehensive evaluation and the sequence of scheme.
Claims (10)
1. the scheme of KBE generates automatically, evaluating system, it is characterized in that: it comprises main frame, input equipment and output device, input equipment is connected with main frame respectively with output device, main frame comprises master controller and storer, database is stored in storer, described master controller comprises project management subsystem, demand management subsystem and collaborative design subsystem, database comprises product database subsystem and design of electronic products technology platform, collaborative design subsystem is the bridge that each subsystem is linked up, collaborative design subsystem respectively with design of electronic products technology platform, project management subsystem, demand management subsystem is connected with product database subsystem, between design of electronic products technology platform and collaborative design subsystem, mutually push knowledge, the project definition of project management subsystem recorded electronic product design technology platform input, statement of requirements relevant information, and demand information is carried to collaborative design subsystem, collaborative design subsystem pushes to demand management subsystem by demand information and requirements verification situation statistical information, demand management subsystem is returned to collaborative design subsystem by Requirement Decomposition, and the curing filing of model demand is committed to product database subsystem, product database subsystem is connecting electronic product design technology platform also, carry out product type with design of electronic products technology platform, the mutual propelling movement of knowledge precipitation relevant information, and push and examine result to collaborative design subsystem, receive the model research and development data that collaborative design subsystem is submitted to,
Project management subsystem is project planning, Task-decomposing, workflow management, project tracking, project adjustment, fixed edition solution thinking and instrument that complete maturation is provided of project data; Demand management subsystem decomposes the customer demand of electronic product system design, be converted into each task index and the multistage task sequence of electronic product, by electronic product system indexs at different levels and task sequence direct correlation mapping, and provide design of electronic products index to monitor in real time; Product database subsystem to design data concentrate, efficient and unified management, realize reusability and the trackability of data, formulate unified data standard and standard, realize data storage, share, excavation, inquiry, safety; Design of electronic products technology platform is responsible for concluding and managing typical data, method for designing and the digital prototype model of each electronic product, and to collaborative design subsystem pushed information.
The scheme of KBE according to claim 1 automatically generate, evaluating system, it is characterized in that: described input equipment comprises one or more combinations in mouse, keyboard and scanner, mouse, keyboard and scanner are connected with main frame respectively, output device comprises one or more combinations in sound equipment, printing device and display, and printing device is connected with main frame respectively with display.
The scheme of KBE according to claim 1 automatically generate, evaluating system, it is characterized in that: described design of electronic products technology platform comprises knowledge resource layer, administration and supervision authorities and system door layer, and system door layer is the entrance that user logined and used system; Administration and supervision authorities are responsible for object knowledge obtain, express and safeguard; Knowledge resource layer is responsible for the centralized management of each specialized knowledge base.
The scheme of KBE according to claim 3 automatically generate, evaluating system, it is characterized in that: described specialized knowledge base comprises product platform storehouse, Top-layer Design Method and conceptual approach, typical case storehouse, digital prototype storehouse, design report storehouse and field trial data management.
The scheme of KBE according to claim 3 automatically generate, evaluating system, it is characterized in that: described administration and supervision authorities comprise knowledge accumulation module, knowledge data library module and knowledge excavation module, knowledge accumulation module is responsible for knowledge acquisition, knowledge is associated, knowledge is evaluated, knowledge forum is shared and knowledge comment; Knowledge data library module is responsible for Back ground Information maintenance, knowledge classification, knowledge maintenance, Custom Knowledge Base, knowledge change, knowledge rights management, the management of personal knowledge district and knowledge statistics; Knowledge excavation module is responsible for Knowledge Map management, expert's management map, knowledge query and knowledge and is recommended collection.
The scheme of KBE according to claim 3 automatically generate, evaluating system, it is characterized in that: described system door layer comprises that door configuration, email message engine, application terminal and help instructs.
The scheme of KBE according to claim 1 automatically generate, evaluating system, it is characterized in that: described project management subsystem comprises Project Scope Management module, project process administration module and project knowledge module, Project Scope Management module is responsible for project definition, the statement of requirements, Role and Responsibility, change control; Project process administration module is responsible for movable definition, progress design and progress monitoring; Project knowledge administration module is responsible for knowledge capture, knowledge store and knowledge sharing.
The scheme of KBE automatically generate, appraisal procedure, it is characterized in that: it comprises the steps:
S1: knowledge is extracted and classification, sets up and includes data, method, standard and typical case at interior specialized knowledge base, builds the design of electronic products technology platform of KBE;
By carrying out electronic product knowledge engineering technology, study, at effective net environment, various application system resources, data resource and information resources unification are integrated under a platform;
Electronic product conceptual design knowledge and each ingredient knowledge thereof, comprise Functional Design, principle design, topological design, shape design and structural design, by OO method, be abstracted into different generic modules, and encapsulate, define the attribute of each knowledge generic module, function and with the relation of other knowledge generic module, after the division that these knowledge generic modules are held water, form the tree structure of a relation between can all kinds of knowledge modules of visual reflection, thereby set up the relational model of knowledge class, and storage is integrated under a platform,
S2: the automatic generation of Product Conceptual Design scheme, comprises following sub-step:
S21: user carries out demand analysis to required electronic product project of carrying out, and problem is explained with abstract;
S22: user is by the system door layer login system of design of electronic products technology platform, by input equipment input product project relevant information;
S23: project management subsystem record product project relevant information is also carried this information to collaborative design subsystem;
S24: collaborative design subsystem pushes to demand management subsystem by demand;
S25: demand management subsystem decomposes demand, is converted into each task index and the multistage task sequence of electronic product, and the curing filing of demand is committed to product database subsystem;
S26: product database subsystem according to demand information carries out module adjustment and restructuring, then provides by database lookup the dedicated application system that approaches demand most, and dedicated application system creates Collaborative engineering on server;
S27: collaborative design subsystem calls the related content of specialized knowledge base in design of electronic products technology platform, carries out database according to electronic product function and tables look-up, and obtains target product, produces preliminary design proposal and shows by display;
According to the product item relevant information of input, extract main points or the key word of electronic product, from database, extract targetedly the data that main points or key word with electronic product shine upon mutually, the data of mapping are mutually combined, obtain the multiple design proposal beginning to take shape;
S3: the design proposal that automatic evaluation generates, collaborative design subsystem is to expectation target and the self-defined target of having stored in design of electronic products technology platform calling system, judge whether each design proposal meets desired value, if do not satisfy the demands, be back to step S22 and re-start optimal design, if satisfied the demands, automatically export design proposal and assessment report, by display, show.
The scheme of KBE according to claim 8 automatically generate, appraisal procedure, it is characterized in that: described product item relevant information comprises demand, expectation target, self-defined standard and index system.
The scheme of KBE according to claim 8 automatically generate, appraisal procedure, it is characterized in that: automatic evaluation design proposal adopts the scheme evaluation method based on step analysis, specifically comprises following sub-step:
S31: set up evaluation model;
S32: the evaluation index of each level is carried out to weight allocation according to evaluation model;
S33: the evaluate alternatives value of determining each scheme relative lndex;
S34: the comprehensive evaluate alternatives value of each level index, forms that index weights with respect to general objective distributes and comprehensive evaluation and the sequence of scheme.
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