가속 수명시험과 다구치 방법을 활용한 신뢰성설계 방법의 개발Development of Reliability Design Methodology Using Accelerated Life Testing and Taguchi Mechod

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The inherent reliability of a product is primarily determined in the design stage, and therefore, design engineers should be able to design reliability into the product in an efficient manner. Especially, the product should be designed such that its reliability is robust to various noise factors encountered in production and field environments. The Taguchi method can be effectively used for this purpose. However, there exist only a few attempts to integrate the Taguchi method with reliability design, and in addition, the existing works do not sufficiently consider the robustness and/or the distinction between noise and acceleration factors. This paper develops a unified approach to robust reliability design assuming that accelerated life tests are conducted at each combination of design and noise conditions. First, an experimental structure for assigning not only acceleration but also noise factors is presented. Second, the reliability at the use condition is estimated using the assumed accelerated life test model. Third, reliabilities are transformed into efforts using an effort function which reflects the degree of difficulty involved in improving the reliability. Finally, an optimal setting of design parameters is determined based on the mean and standard deviation of the effort values. The above approach is illustrated with an example of a paper feeder design.
Publisher
대한산업공학회
Issue Date
2002-12
Language
Korean
Citation

대한산업공학회지, v.28, no.4, pp.407 - 414

ISSN
1225-0988
URI
http://hdl.handle.net/10203/83569
Appears in Collection
IE-Journal Papers(저널논문)
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