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Title:Computer methods for tolerance synthesis
Author(s):Wilhelm, Robert G.
Doctoral Committee Chair(s):Lu, Stephen C-Y
Department / Program:Materials Science and Engineering
Discipline:Materials Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Engineering, Mechanical
Abstract:Computer methods for both analysis and synthesis of geometric tolerance specifications are developed to support the design of assemblies. Tolerance primitives, based on a sound theory of tolerancing, are used to represent tolerance relationships or links between geometric entities and functional requirements. Algorithms are developed for the determination of boundedness and the measurement of sufficiency. A detailed constraint network is used to represent tolerance relations for a part under design and provide for the composition of tolerance specifications. The constraint network is, in turn, associated with nominal solids describing the shape of the part under design. Query methods for the constraint network support the measurement of tolerance sufficiency and tolerance synthesis through optimization. The representation and computational methods are developed within a framework for tolerance synthesis which includes seven interconnected computing tasks. To demonstrate the improved facilities for tolerance specification which result from the integration and interaction within the framework, a prototype computing environment, CASCADE-T has been developed.
Issue Date:1992
Rights Information:Copyright 1992 Wilhelm, Robert G.
Date Available in IDEALS:2011-05-07
Identifier in Online Catalog:AAI9215906
OCLC Identifier:(UMI)AAI9215906

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