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A Design Intent-Oriented Modeling Method for Product Association Information

A technology of associating information and design intent, applied in computing, instrumentation, geometric CAD, etc., can solve problems such as fuzzy and incomplete related data, inability to accurately express design intentions, etc., and achieve the problem of fuzzy and incomplete related data and high design accuracy Effect

Active Publication Date: 2019-08-30
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The method of the present invention is a product related information modeling method with high design accuracy and conforms to the design intention, and can effectively solve the problems of fuzzy and incomplete related data and inability to accurately express the design intention in the traditional complex product related information modeling process

Method used

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  • A Design Intent-Oriented Modeling Method for Product Association Information
  • A Design Intent-Oriented Modeling Method for Product Association Information
  • A Design Intent-Oriented Modeling Method for Product Association Information

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Embodiment Construction

[0066] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0067] Embodiments of the present invention and its implementation process are as follows:

[0068] As a heavy-duty basic equipment in the machinery industry, large hydraulic presses play a pivotal role in steel, automobile, chemical, electric power and other industries. In this embodiment, the ontology of a hydraulic machine is taken as an example, and an associated information model is built on the ontology structure, so as to verify the effectiveness of the proposed method.

[0069] The body mechanism of a hydraulic press is generally composed of a frame, a moving part of a hydraulic cylinder and a guide device. The body structure bears the vibration during the operation of the hydraulic press and the weight of the whole machine, so it should have reasonable strength, stiffness and guiding accuracy during the design process, and it should ...

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Abstract

The invention discloses a design intention-oriented product correlation information modeling method. Based on a fuzzy set theory, establishment and quantitative expression of multiple constraint criterions are performed according to a correlation relationship among product parts; each constraint correlation is assigned with a triangular fuzzy number; a part identification frame with the multiple constraint criterions is established; data is extracted from a design knowledge database and is subjected to analysis processing in a multiple constraint criterion sorting fusion mode; a final evidence body of multiple constraint criterion fusion is obtained; fuzzy correlation intensity is defuzzified; comprehensive correlation intensity of products is obtained; and a quantitative product design structure matrix is formed. The method has the advantages of high design accuracy and accordance with a design intention for the problem that the design intention cannot be accurately expressed due to fuzzy and incomplete correlation data in a conventional complicated product correlation information modeling process.

Description

technical field [0001] The invention relates to a design intention-oriented product association information modeling method, which belongs to the field of product design. Background technique [0002] In order to meet the ever-changing individual needs of users for product performance and quality, manufacturing companies often need to carry out adaptive operations such as transformation and maintenance of their products. Complex products are composed of mechanical, electronic, hydraulic, control and other system couplings, and different subsystems are composed of many interrelated parts. In order to optimize operations such as module division and reconstruction of complex products, it is first necessary to complete product association Information modeling work. [0003] In the traditional modeling process of product related information, the relationship between product parts is usually represented and calculated by means of language variable evaluation and linear weighting....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
CPCG06F30/17
Inventor 冯毅雄田钦羽郑浩
Owner ZHEJIANG UNIV
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