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Using Teardown Analysis as a Vehicle to Teach (使用拆卸分析作为工具来教).pdf

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Int. Journal of Eng. Education, Vol. 25, No. 1, pp. 42-52, 2009 Using Teardown Analysis as a Vehicle to Teach Electronic Systems Manufacturing Cost Modeling PETER SANDBORN, JESSICA MYERS, THOMAS BARRON, AND MICHAEL MCCARTHY CALCE Center for Advanced Life Cycle Engineering Department of Mechanical Engineering University of Maryland, College Park, MD 20742 This paper describes the use of product teardowns in an electronic systems cost modeling course at the University of Maryland. As part of a semester-long project, each student in the course chooses a product and determines the manufacturing cost of the product using a combination of top-down cost analysis (to determine what the product must cost) and a detailed bottoms-up model (that students calibrate using the top-down analysis). Products considered by students range from complex systems such as mobile phones to relatively simple systems such as memory sticks and McDonald’s Happy Meal® toys. Using product teardowns and reverse engineering ideas has proven to be an effective vehicle for educating student s on practical manufacturing cost modeling of systems and complements typical engineering economics analysis. Keywords: teardowns, reverse engineering, product dissection, cost modeling, top-down, bottoms-up, electronics INTRODUCTION Twenty years ago many engineers involved in the design of electronic systems took, at best, a secondary interest in the cost effectiveness of their design decisions; that was someone else’s job or an issue to be addressed after the initial release of the product.1 Today the world is changing.
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