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工程设计学报
Chinese Journal of Engineering Design  2007, Vol. 14 Issue (3): 187-193    DOI:
    
Acquisition of design requirement in product design based on function matrix space and transformation
DAN  Hong-Bo1，LI  Shu-Xia2
1.College of Mechanical Engineering, Donghua University, Shanghai 201620, China;2.Department of Management Science and Engineering, East China University ofScience and Technology, Shanghai 200237, China
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Abstract  Acquisition principle framework of design requirement function and model of customer knowledge space are established facing to customer requirement function in concept design. By taking the five basic function sets, namely motion, power, control, connection and synthesis, as construction units and the customer requirement function matrix including them as expression form in function domain, space transformation and calculation principle and their judging rules are set up. In transformation process, the 3D space and transformation calculation are transformed into 2D plane and corresponding transformation calculation, whichrealizes the transformation from customer requirement function to design requirement function simultaneously with the realization of transformation from customer knowledge space to designer knowledge space and then obtains design requirement function including each basic function set space. An illustration running through the whole paper is utilized to demonstrate the feasibility of this theory and method and finally corresponding conclusion and the content of further research are provided.

Key words： function matrix      space union transformation      design requirement function      customer requirement function      knowledge space     
Published: 28 June 2007
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DAN Hong-Bo，LI Shu-Xia. Acquisition of design requirement in product design based on function matrix space and transformation. Chinese Journal of Engineering Design, 2007, 14(3): 187-193.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2007/V14/I3/187


基于功能矩阵空间和变换法的产品设计需求功能获取

针对产品概念设计阶段获取的用户需求功能，构建了设计需求功能获取原理框架和用户知识空间定性模型，并在功能范畴下以基本功能集为组成单元，以包含运动、能量、控制、关联、综合这5种类型基本功能集的用户需求功能矩阵表达为表现形式，建立了空间变换和运算法则及其判定准则，并在变换运算过程中采用三维模型二维化表达方法，将三维空间和变换运算转换为二维平面和变换运算，使得从用户需求功能到设计需求功能的变换可以伴随用户知识空间到设计者知识空间的变换实现，从而得到了包含各项基本功能集子空间的设计需求功能。通过一个实例贯穿在各个部分中来验证理论和方法的可行性，最后给出了相应的结论和未来需要进一步研究的内容。

关键词： 功能矩阵,  空间和变换法,  设计需求功能,  用户需求功能,  知识空间 
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