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이언경(Eon-Kyung Lee),박선주(Sunjoo Park),강달모(Dal Mo Kang),하성도(Sungdo Ha) Korean Society for Precision Engineering 2001 한국정밀공학회지 Vol.18 No.4
This paper describes a methodology of product function deployment for understanding product functions and generating systematic functional relation charts. The product function deployment is based on the designer's understanding of product functions. The method involves following steps: 1) definition of product primary function and flows of energy, material, and information, 2) construction of a product tree using key parts, 3) definition of functions and interactions of the functional units, 4) construction of 'from-to' relation matrices, 5) grouping of the parts, and 6) construction of functional relation charts. With this approach, functional relation charts can be generated such that complex product functions are easily understood. The functional relation chart of a refrigerator is generated as an example.