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工程设计学报
Chinese Journal of Engineering Design  2006, Vol. 13 Issue (1): 31-35    DOI:
    
Disassembly hybrid graph model based on modular design
 ZHONG  Yan-Ru1, HUANG  Bao-Qun2, HUANG  Mei-Fa2, JIANG  Xiang-Qian3
1. Department of Computer, Guilin University of Electronic Technology, Guilin 541004, China;
2.Department of Electric Machinery and Transportation Engineering, Guilin University ofElectronic Technology, Guilin 541004, China;
3. School of Mechanical Science and Engineering, Huazhong University of Science andTechnology, Wuhan 430074, China
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Abstract  Disassembly modeling is the basis of disassembly sequence planning and the key of green design. During the conventional process of disassembly sequence planning, with the increase of the number of parts, disassembly sequences mayexplode exponentially. To solve this problem, the paper proposes a new method for disassembly modeling based on modular design. Firstly, directed and nod-directed graph concepts in graphic theory are applied to represent constraint relations between parts-components in assembly. Then, directed and non-directed graph are combined to hybrid graph and then hybrid disassembly model is established. Secondly, sub-assembly is generated by employing part-united rule in modular design. The hybrid model for modular design in disassembly sequences planning is implemented by combining modular design with hybrid model. This model can effectively solve the “exploding problem” aroused by edges and vertexes in graph theory.Finally, computer box is taken as an example to demonstrate the validity of this model.

Key words： modular design      hybrid graph      disassembly model      disassembly planning     
Published: 28 February 2006
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ZHONG Yan-Ru
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JIANG Xiang-Qian
Cite this article:

ZHONG Yan-Ru, HUANG Bao-Qun, HUANG Mei-Fa, JIANG Xiang-Qian. Disassembly hybrid graph model based on modular design. Chinese Journal of Engineering Design, 2006, 13(1): 31-35.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2006/V13/I1/31


基于模块化设计的混合图拆卸建模研究

拆卸建模是拆卸序列规划的基础，也是绿色设计的关键。在传统的拆卸序列规划过程中，随着产品零件数目的增加会造成“组合爆炸”问题。为解决该问题，提出了一种基于模块化设计思想的拆卸建模方法。首先，运用图论中有向图和无向图的概念分别表示零、部件之间的约束关系，并将有向图和无向图结合成混合图，建立产品混合图拆卸模型；其次，利用模块化设计中的模块划分原则生成子装配体，通过将模块化设计方法整合入混合图模型中，得到模块化设计的混合图拆卸模型，利用该模型可以有效地解决图论模型中边与顶点产生“组合爆炸”的问题；最后，以模块化设计的计算机主机箱的混合图拆卸建模为例来验证所提出的方法。

关键词：  模块化设计,  混合图,  建模,  组合爆炸 
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