The third part is to use the Taguchi and sensitivity analysis software to optimize the size of the designed model.It is expected to design a formative chair to fit the safety and the economic cost.

• 第三部份为利用田口最佳化设计及灵敏度分析软体，来求得造型椅模型的最佳化的设计尺寸，并使得设计出的造型椅能符合使用上的安全及最经济的用料成本。