Assembly modeling for plan generation and DFA analysis

Joseph Neelamkavil

doi:10.1117/12.403657

13 October 2000 Assembly modeling for plan generation and DFA analysis

Joseph Neelamkavil

Proceedings Volume 4192, Intelligent Systems in Design and Manufacturing III; (2000) https://doi.org/10.1117/12.403657
Event: Intelligent Systems and Smart Manufacturing, 2000, Boston, MA, United States

Abstract

Assembly in the state when a product really comes to life and is able to function; a product achieves its functionality by the concerted efforts of its components. Assembling consists of the act of putting two or more components together; but behind the scenes work includes many activities necessary to realize a complete product, repair it, disassemble it for recycling or disposal and so on. During the past two decades or so, several methodologies- graph theory, matrix algebra, knowledge-based, object-oriented, etc. - have evolved for the modeling of assemblies. Each method has its own merit; but the suitability and practicality of a method often depends on the computer hardware capability and the state of available software language features (expression capability and libraries). Generally speaking, the modeling of assemblies involves a two step process: component relationship modeling and detailed CAD modeling. Product designers use the components relationship models, often informally, to complete their design. This paper describes the modeling techniques and implementation details pertaining to the component relations. Matrix algebra-based modeling framework that is used in this work is capable of representing product final assemblies, sub-assemblies and individual components. The framework has the required expression capability that may be used to perform bill of materials calculations, material requirements planning, the creation of assembly liaison or mating information, design for assembly (DFA) analysis and the generation of assembly plans/sequences.

Citation Download Citation

Joseph Neelamkavil "Assembly modeling for plan generation and DFA analysis", Proc. SPIE 4192, Intelligent Systems in Design and Manufacturing III, (13 October 2000); https://doi.org/10.1117/12.403657

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