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J4  2012, Vol. 46 Issue (1): 150-155    DOI: 10.3785/j.issn.1008-973X.2012.01.24
机械工程     
基于粗糙核聚类的模块化产品方案求解
冯毅雄,王明,谭建荣,安相华
浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027
Product module construction method based on
rough kernel clustering algorithm
FENG Yi-xiong, WANG Ming, TAN Jian-rong,  AN Xiang-hua
State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China
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摘要:

利用核函数将产品的零部件样本映射至希尔伯特空间内,使零部件样本的差异性“放大”,从而提高产品模块划分过程的鲁棒性.利用粗糙集对希尔伯特空间内的零部件样本进行初步分类,获得产品的模块数量和每个模块内零部件组成的上近似集合与下近似集合.构建模块间耦合度、加工装配复杂度和变型设计复杂度3个目标函数,利用改进的非支配排序遗传算法(NSGA)进行求解进而获得最优的模块划分方案.以大型空分设备的模块划分作为实例,对该方法进行检验.数值仿真结果表明了该方法的有效性和可行性.

Abstract:

Component samples of the product were mapped into Hilbert space by kernel function. Then the heterogeneity between different components was enlarged, which will strengthen the robustness of product module partition process. The rough set was applied to preliminarily classify the components within the Hilbert space. The number of modules, the upper  approximation of modules and the lower approximation of modules were obtained. Coupling degree indices between modules, complexity degree indices of manufacturing and assembly, and complexity degree indices of variant design were constructed as object functions. The improved non-dominated sorting genetic algorithm (NSGA) was used for searching the optimal module partition solution. A large scale deep cooling air-separating equipment’s module partition process  was provided as a practical case, which illustrated the validity and feasibility of the method.

出版日期: 2012-02-22
:  TH 11  
基金资助:

国家“973”重点基础研究发展规划资助项目(2011CB706500);国家自然科学基金资助项目(51175456,50835008);浙江省科技计划资助项目(2008C11013).

通讯作者: 高一聪, 男, 博士后.     E-mail: gaoyicong@zju.edu.cn
作者简介: 冯毅雄(1975-),男,副教授,从事数字化设计与制造技术研究. E-mail: fyxtv@zju.edu.cn
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引用本文:

冯毅雄,王明,谭建荣,安相华. 基于粗糙核聚类的模块化产品方案求解[J]. J4, 2012, 46(1): 150-155.

FENG Yi-xiong, WANG Ming, TAN Jian-rong, AN Xiang-hua. Product module construction method based on
rough kernel clustering algorithm. J4, 2012, 46(1): 150-155.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2012.01.24        http://www.zjujournals.com/eng/CN/Y2012/V46/I1/150

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