Management of product characteristics uncertainty based on Formal Logic and Characteristics Properties Model
Article dans une revue avec comité de lecture
Author
Date
2013Journal
CIRP Annals - Manufacturing TechnologyAbstract
Uncertainty in product characteristics is ubiquitous in any engineering system at all the stages of product life-cycle. Considering uncertainty from different sources during the product design phase is critical to its reliable performance. This paper presents a framework integrating the uncertainty propagation through different product characteristics and its effect on product properties. The framework consists of three main parts: a descriptive model based on formal logic and characteristics properties model; a mathematical implementation through set theory and probabilistic approach; and an algorithm for design space evaluation and tolerancing. The application of framework is demonstrated through an industrial case study.
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