目的 针对AIGC产品设计方案存在的结构混乱、可行性不足的问题,引入“功能-行为-结构（FBS）”模型与AIGC协同改进产品概念设计流程,以引导AI输出更高质量的设计方案。方法 首先,分析了现有AIGC用于产品概念设计流程的主要特征及其存在的问题。其次,构建了基于FBS与AIGC协同的产品设计流程,包含“需求提取、映射关系构建、创意生成、细节优化、设计呈现”五个主要环节,并以老年代步车设计为案例,证明流程的可操作性。最后,为验证该流程对产出设计方案的影响,以智能手持POS机的外观设计为任务,选取20名同等设计水平的学生先后进行2次设计实验,分析使用基于FBS模型的AIGC协同设计流程对设计产出的影响。通过专家打分,对2组设计的结构合理性、造型美感、创新性、用户需求契合度,以及商业价值5项指标进行评价,采取配对样本T检验比较各项指标的差异。结果 FBS模型的介入使得设计产出的整体表现得到提升,其中结构合理性与造型美感的提升显著,产品创新性反而受到一定的抑制。结论 基于FBS模型的AIGC协同产品设计流程能够有效控制AI的过度发散,提升产品设计方案的整体可行性,为AIGC在产品设计中的应用提供了新的路径。
Abstract
The work aims to introduce the "Function-Behavior-Structure (FBS)" model to collaboratively improve the conceptual design process with AIGC, to guide AI in generating higher-quality design solutions to address the issues of structural disorganization and lack of feasibility in AIGC product design proposals. Firstly, the main characteristics and existing problems of current AIGC applications in product conceptual design processes were analyzed. Secondly, a collaborative product design process based on FBS and AIGC was constructed, comprising five key stages of "need extraction, mapping relationship construction, creative generation, detail refinement, and design presentation". The operability of this process was demonstrated using the design of elderly mobility scooters as a case study. Finally, to validate the impact of this process on design outcomes, an appearance design task for a smart handheld POS machine was assigned. Twenty design students of comparable skill levels were arranged to participate in two consecutive design experiments. The influence of using the FBS model-based AIGC-assisted design process on design outputs was analyzed. Expert evaluations scored the two sets of designs across five criteria: structural rationality, aesthetic appeal, innovativeness, user need fit, and commercial value. Paired samples t-tests were employed to compare differences in each criterion. The intervention of the FBS model led to an overall improvement in design output performance, with significant enhancements observed in structural rationality and aesthetic appeal. However, product innovativeness was somewhat constrained. In conclusion, the FBS model-based AIGC-assisted product design process can effectively control excessive AI divergence, enhance the overall feasibility of product design proposals, and offers a new pathway for the application of AIGC in product design.
关键词
AIGC /
FBS /
产品概念设计 /
协同设计流程
Key words
AIGC /
FBS /
product conceptual design /
assisted design workflow
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