Design with part behaviors: behavior model, representation and applications

A part is primarily characterized by its ‘function(s)’. The function of the part is achieved through its ‘interactions’ with other parts in an assembly under a set of operating conditions. These ‘interactions’ constitute the ‘behavior’ of the part. The ‘part behavior’ is achieved through a set of sp...

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Bibliographic Details
Published in:Computer aided design Vol. 34; no. 9; pp. 613 - 636
Main Authors: Roy, U., Bharadwaj, B.
Format: Journal Article
Language:English
Published: Oxford Elsevier Ltd 01.08.2002
Elsevier Science
Subjects:
Applied sciences
Computer aided design
Computer science; control theory; systems
Design with part behaviors
Exact sciences and technology
Part Function Model
Software
Synthesis of product specifications
Part Function Model
Synthesis of product specifications
Design with part behaviors
Object oriented
Functional analysis
Product development
Specification
Behavior model
Modeling
Computer aided design
ISSN:0010-4485, 1879-2685
Online Access:Get full text
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Summary:A part is primarily characterized by its ‘function(s)’. The function of the part is achieved through its ‘interactions’ with other parts in an assembly under a set of operating conditions. These ‘interactions’ constitute the ‘behavior’ of the part. The ‘part behavior’ is achieved through a set of spatial and design functional relationships between the interacting surfaces of the parts. The set of spatial and design functional relationships for a part constitutes the Part Function Model (PFM) of that part. In this paper, the nature and role of part ‘functions’ and ‘behaviors’ have been studied in the context of a product design system. The paper addresses the following issues: (i) relationship between function, behavior, and geometry of a part; (ii) importance of ‘part behavior’ over ‘part function’, and development of a ‘part behavior’ model; (iii) methodology for transforming the part behaviors into the PFM model of the part; (iv) product model framework for storing the PFM model information with an Object Oriented Programming (OOP) based CAD system (Concentra's Concept Modeller); (v) importance of the PFM model within the product development process; and (vi) application of the PFM model for generating various product specifications of the part. The prototype implementation of a Functional Design System for transforming part behaviors into different types of part specifications has also been presented in this paper.
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ISSN:0010-4485
1879-2685
DOI:10.1016/S0010-4485(01)00129-4