基于核心功能约束的概念设计方法
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摘要
在基于功能-行为-结构(Function-Behavior-Structure,FBS)模型开展产品设计映射的过程中会产生大量无效的原理和结构,这些无效冗余结构会急剧增加设计方案组合阶段的复杂度。为提高FBS模型辅助创新设计的效率,提出了一种基于核心功能约束的概念设计方法。通过将产品设计过程划分为核心功能设计和辅助功能设计两个阶段,以产品核心功能的设计结果作为辅助功能设计过程的约束条件,在核心功能实现的要求下约束各辅助功能实现的结构方案数,从而缩小基于形态分布矩阵的设计组合方案的复杂度。通过洗碗机的概念设计过程验证了该方法的可行性和有效性。
Parts of the principles and structures produced in the process of product design based on FBS model are superfluous,which will increase the complexity of the formation of combination schemes. To improve the efficiency of innovation design aided with FBS model,A conceptual design method based on core functional constraint is put forward,in which design process is divided into core function design and auxiliary functions design. In turn,the solution of the core function is a constraint for designing the auxiliary functions. And the number of structural schemes of auxiliary functions are constrained by the implementation of core function,which can reduce the complexity of the formation of combination schemes based on the morphologic matrix. Finally,the feasibility and effectiveness of this method are verified by the concept design process of the dishwasher.
Parts of the principles and structures produced in the process of product design based on FBS model are superfluous,which will increase the complexity of the formation of combination schemes. To improve the efficiency of innovation design aided with FBS model,A conceptual design method based on core functional constraint is put forward,in which design process is divided into core function design and auxiliary functions design. In turn,the solution of the core function is a constraint for designing the auxiliary functions. And the number of structural schemes of auxiliary functions are constrained by the implementation of core function,which can reduce the complexity of the formation of combination schemes based on the morphologic matrix. Finally,the feasibility and effectiveness of this method are verified by the concept design process of the dishwasher.
引文
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[2] Gero J S. Design prototypes:a knowledge representation schema for design[J]. AI Magazine,1990,11(4):26-36.
[3]Hu J. FCBS model for functional knowledge representation in conceptual design[J]. Journal of Engineering Design,2012,23(8):577-596.
[4]Zhang W Y,Shu B T,Britton G A,et al. Functional design of mechanical products based on behavior-driven functionenvironment-structure modeling framework[EB/OL].http://hdl. handle. net/1721. 1/4031,2002.
[5]李彦.产品创新设计理论及方法[M].北京:科学出版社,2012.
[6]金熙哲.基于FBS模型的执行机构系统计算机辅助概念设计研究[D].上海:上海交通大学,2007.
[7]贺欢,李文强,李彦,等.支持产品创新的机电领域知识库构建技术研究[J].组合机床与自动化加工技术,2014(8):37-39.
[8] Zhang W J,Lin Y,Sinha N. On the Function-BehaviorStructure Model for Design[J]. Proceedings of the Canadian Engineering Education Association,2011,21(2):1-16.
[9]孙其英,李彦,李文强,等.基于功能激励的产品创新策略[J].农业机械学报,2011,42(3):197-202.
[10]Hrtz J,Stone R B,McAdams D A,et a1. A functional basis for engineering design:reconciling and evolving previous efforts[J]. Research in Engineering Design,2002,13(2):65-82.
[11]刘龙繁,李彦,侯超异,等.基于功能基的专利信息挖掘与自动分类实验研究[J].四川大学学报(工程科学版),2016,48(5):105-107.
[12]Smith G F,Browne G J. Conceptual foundations of design problem solving[J]. Systems Man&Cybernetics IEEE Transactions on,1993,23(5):1209-1219.
[13]杜轩,吴龙,张屹.多色集合与模糊遗传算法的机械产品概念设计研究[J].组合机床与自动化加工技术,2015(4):15-18.
[14]陈林,李彦,李文强,等.计算机辅助产品创新设计系统开发[J].计算机集成制造系统,2013,19(2):319-329.