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Methodology and Technology of Design For Cost (DFC)

注意：本文已经发表在The 5th World Congress on Intelligent Control and Automation, (WCICA'04)June 14-18, 2004, Hangzhou, China
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Chen Xiaochuan , Yang Jianguo ， Li Beizhi 
The Mechanical Engineering College, Donghua University ,Shanghai,China 

Feng Xin-an 
The Laboratory of Advanced Manufacturing Technology, Dalian University of Technology, Dalian, Liaoning Province, China

Abstract: Design for X(DFX) is the key technology in concurrent engineering. Design For Cost (DFC) is a branch in DFX. DFC is a design method which analyze and evaluate a product’s life cycle cost (LCC), then modify the design to reduce the LCC. In order to realize DFC, some key technologies were proposed: LCC model; design result’s evaluation and generation of design suggestions; integration of DFC and other DFX methods. DFC’s conceptual model included deisgn tools, LCC estimation methods base, feture mapping and decision-making support system. Using Group Technology and feature modeling technology, a general concept model of DFC was developed at the detail design stage. The Activity-Based Costing (ABC) method was used to estimate product LCC in the conceptual model. Finally, a structure of LCC estimation methods base was established using agents. It can be used to estimate the LCC of mechanical parts and products.

Index Terms - Concurrent Engineering, Design For Cost (DFC) 

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