공리적 설계를 이용한 모니터용 EPS 완충 포장 설계 시스템 개발
2002
The monitor product is packed by cushioning materials because the monitor can be broken during
transportation. However, the addition of the cushioning material increased the volume of the product.
Therefore, it is required that the usage of cushioning material be minimized. In practice, design engineers
have followed the ad hoc design with experiences of predecessors. Automation of the design process is very
important for the reduction of engineering cost, and can be achieved by an excellent design process and
software development. A design flow is defined and a software system is developed for automated design.
At first, a basic model is defined. A user can modify the model from menus and design is carried out
according to the input from the user. Finite element models are automatically generated based on the design.
A nonlinear finite element analysis program called LS/DYNA3D is linked for the impact analysis. The
process of Design of Experiments using orthogonal array is installed to minimize the maximum acceleration
in drop test. Therefore, a new design can be proposed by the system. The program is designed according
to the Independence Axiom of Axiomatic design. FRs and DPs of the software system are defined and
decomposed by zigzagging process. Independent modules can be generated by analysis of the full design
matrix and each module is coded as class in Object Oriented Programming (OOP). Design results are
discussed.
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