Product engineer is being required to design attractive products in a short product development cycle from stakeholder. And, its attraction is influenced a great deal by idea creation in a conceptual design phase of this cycle. On the other hand, K. Yoshioka and H. Hasegawa proposed the FSA (Function Synthesis Approach) to create a combination of a large number of functions in a short period of time. FSA become a conceptual design support tool that combines the PSO (Particle Swarm Optimization) and the particle method of USIT. However, FSA is only to outputting combination of large numbers of functions. For this reason, there is a need to provide a way to support the conceptual design process systematically. Therefore, this paper proposes a method to systematically support the conceptual design process from the output of the FSA. This systematic process is consisted from two phases. First, the design solution is built by combination of large number of function via using axiomatic design and function structure method. Next, it is evaluated by using UCP (Use Case Points) method. And, this paper described these phases via example to the refrigerator.
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