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论文类型：期刊论文

发表时间：2005-10-01

发表刊物：ENGINEERING OPTIMIZATION

收录刊物：SCIE、EI、Scopus

卷号：37

期号：7

页面范围：717-732

ISSN号：0305-215X

关键字：tolerance synthesis; system reliability-based design; sequential approximate programming; first-order reliability method; product of conditional marginals

摘要：The performance-cost ratio of a product may be significantly improved by a better tolerance assignment. Current practice guided by experience usually leads to a conservative and costly design. Because yield in mechanical engineering is analogous to system reliability in structural engineering, this article applies a system reliability-based optimization formulation to tolerance synthesis and presents a sequential approximate programming method. This method is an extension of the approach for the optimization with component reliability constraints. Two often-quoted examples are analyzed in detail to illustrate its effectiveness and a strategy for tolerance assignment is recommended.