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Change propagation influence-considered product module classification method

A module classification and product technology, applied in character and pattern recognition, instruments, manufacturing computing systems, etc., can solve problems such as complex product structure and strong correlation between parts and components, and achieve efficiency and quality improvement, speed up, and complexity reduction Effect

Active Publication Date: 2019-10-25
XIAN TECHNOLOGICAL UNIV
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Problems solved by technology

[0005] This invention aims to solve the problem of complex product structure and strong correlation between parts encountered in the process of product change, and proposes a product module classification that considers the influence of change propagation method

Method used

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  • Change propagation influence-considered product module classification method
  • Change propagation influence-considered product module classification method
  • Change propagation influence-considered product module classification method

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Embodiment

[0045] A certain type of tank semi-trailer includes 10 basic structural modules.

[0046] Taking the 10 basic structural modules of the tank semi-trailer as the object of change, the product module classification is carried out during the engineering change process.

[0047] The technical solution of the present invention to solve the technical problem is: first, according to the structural characteristics of the product, it is divided into several basic structural modules through modularization technology. By quantitatively analyzing the change dependencies between modules, the impact of changes between modules is represented by a number between 0 and 1, so as to establish a weighted digital design structure matrix. Using the fuzzy cluster analysis method, the change modules are clustered, and then the clustering results are studied hierarchically, and λ=0.74 is selected to analyze the change propagation relationship of the modules. It includes the following steps:

[0048]...

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Abstract

The invention relates to the technical field of product design in engineering change, in particular to a change propagation influence-considered product module classification method. According to thetechnical scheme provided by the invention, the change propagation influence-considered product module classification method comprises the following steps: firstly, according to actual requirements, carrying out module division on products, and dividing complex parts into a plurality of basic modules; considering a change propagation dependency relationship between modules, and establishing a weight-containing digital design structure matrix. On the above basis, a fuzzy clustering analysis method is used for clustering the change modules, and clustering results are hierarchical. The change propagation characteristics among the hierarchical modules are analyzed. According to the method, the change propagation is subjected to classification research. Therefore, the effects of reducing the module change complexity and improving the module change speed are achieved.

Description

technical field [0001] The invention relates to the technical field of product design in engineering change, in particular to a method for classifying product change modules considering the influence of change propagation. Background technique [0002] Along with the diversification of market demand and the globalization of economic trade, manufacturing enterprises are facing new opportunities and challenges. The emergence of related new technologies, new customer needs or changes in market rules may drive product engineering changes. In order to improve their own competitiveness, manufacturing enterprises need to continuously develop new modules and form new products. At the same time, they must ensure that the design and production cycle is shortened, the production cost is reduced, and the functional requirements of the product are improved. Therefore, enterprises will face more complicated engineering change problems. [0003] Engineering change (Engineering Change, EC...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06Q50/04
CPCG06Q50/04G06F18/231G06F18/24Y02P90/30
Inventor 乔虎徐昭晖曹岩安嘉祥何江何俊师治全
Owner XIAN TECHNOLOGICAL UNIV
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