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A Knowledge Modeling Method and System for Scheme Aided Design of Mechanical Products

An auxiliary design and scheme design technology, applied in design optimization/simulation, geometric CAD, etc., can solve problems such as heavy workload and difficulty in knowledge modeling, so as to reduce modeling difficulty, facilitate modeling and reuse, and improve reusability sexual effect

Active Publication Date: 2020-07-24
NANJING UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

[0008] The technical problem solved by the present invention is to provide a knowledge modeling method and system for aided design of mechanical product schemes, so as to solve the problems of knowledge modeling difficulty and heavy workload in existing methods

Method used

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  • A Knowledge Modeling Method and System for Scheme Aided Design of Mechanical Products
  • A Knowledge Modeling Method and System for Scheme Aided Design of Mechanical Products
  • A Knowledge Modeling Method and System for Scheme Aided Design of Mechanical Products

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Embodiment approach

[0077] The "design module" of the function or scheme can have two specific implementation methods, the following examples are given below:

[0078] a) Use the electronic form as the design module, use the electronic form to establish the calculation formula in the detailed scheme design process, complete the routine scheme parameter design calculation function, and store the design requirement parameters, design result parameters and scheme design calculation formula in the design module separately to the corresponding cell in the spreadsheet, and use the address or name of the cell to replace the design parameters in the formula, and the contents of the associated parameter table can be automatically updated according to the output results of the cells in the spreadsheet, such as Figure 5 shown;

[0079] b) For complex design analysis or knowledge processing processes such as scheme selection reasoning, numerical calculation, and parametric drawing, high-level languages ​​ar...

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Abstract

The invention discloses a knowledge modeling method and system used for aided design of a mechanical product scheme. The method comprises the steps of firstly performing overall function scheme designknowledge modeling to build a function-scheme template tree knowledge model and a function scheme design example model; and secondly establishing function or scheme design modules, establishing association with a function-scheme template tree, building a check function scheme design model and a parameter reasonability scheme check rule, combining the design modules in the form of a reconfigurablemodule process or task process, building a scheme design process model, and realizing parameter value automatic transmission and design process guide functions. The system comprises a function schemeaided design module, a module process aided design module, a task process aided design module, a design module control module and a system main control module. According to the method and the system,the knowledge modeling difficulty can be lowered; and the knowledge modeling method and the corresponding aided design system which conform to thinking habits of engineers and are reusable are provided.

Description

technical field [0001] The invention belongs to the technical field of computer-aided design, in particular to a knowledge modeling method and system for scheme-aided design of mechanical products. Background technique [0002] At present, enterprises have basically realized the automation of engineering drawing drawing, but the degree of automation in the design and analysis of mechanical product schemes is very low, and they still rely heavily on the experience of engineers. In view of this, the knowledge engineering (KBE)-based product design technology has emerged, which aims to store and reuse the enterprise's product design knowledge, and automate some tedious and repetitive work in the product design process, thereby improving product design efficiency. and quality. In order to establish an aided product design system that meets certain (or certain) product design requirements, it is necessary to first establish a knowledge model for the product design. The so-calle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17G06F30/20
Inventor 方峻徐新照
Owner NANJING UNIV OF SCI & TECH
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