基于对产品自身蕴含的进化特性信息挖掘的设计思想,提出了一种功能需求内生式产品创新设计方法.通过引入系统功能分析方法对已有产品建模,从超系统组件功能关联、系统内单组件功能改变、系统内多组件功能组合三个角度,运用功能相关矩阵、功能裁剪、功能合并等策略及工具进行功能遍历扩展.针对内生的功能需求进行概念求解及方案确定,形成最终产品创新方案.基于激励模型的创新应用流程,开发了相应设计功能模块.以冰箱制冰机的改进设计为例,验证了所提方法的有效性与实用性.%In order to excavate products evolution characteristic information more effectively and conduct product innovative design more quickly, a product innovative design method based on endogenous function requirements was put forward. Models for the existing products were set up by introducing system function analysis method. From the three perspectives of super system component function correlation, single-component function change within the system, and multi-component function combination within the system, an all-over creative expanding was conducted by using the analysis strategies and tools as function matrices, function trimming, function combination, et al. Aiming at the function requirement information produced by incentives, concept solution and analysis of domain specific were conducted, then the final product improved solution was generated. Based on the creative application process of the incentive model, design function modules in prototype system were developed. An example of the improved design of fridge freezer was used to prove the validity and practicability of the method.
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