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TECHNICAL PAPERS

Associations in a Unified Feature Modeling Scheme

[+] Author and Article Information
G. Chen, G. Thimm, S.-H. Tang

School of Mechanical & Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore

Y.-S. Ma1

School of Mechanical & Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singaporemysma@ntu.edu.sg

1

Corresponding author.

J. Comput. Inf. Sci. Eng 6(2), 114-126 (Feb 14, 2006) (13 pages) doi:10.1115/1.2194910 History: Received January 05, 2005; Revised February 14, 2006

Features allow one to associate human knowledge and product geometry. The authors proposed, in earlier publications, a unified feature modeling scheme with the aim to maintain the integrity and consistency of a product model. Different application feature models within and across different product life-cycle stages are integrated, and especially, nongeometric relations (besides geometric ones) are handled. In this paper, as an improvement to the previous work, two types of associations are introduced: sharing and dependency. In the context of conceptual and detail design stages, these associations are described and the implementation is discussed in detail.

Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Relations in the unified feature modeling scheme

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Information entities and vertical associations in the unified feature modeling scheme

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Conceptual design feature

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Feature dependencies between the conceptual design and detail design

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JTMS-based dependency network

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Class diagram of the prototype rule-based expert system

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Relations among feature model, cellular model, and the boundary representation

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Wire-frame picture of the slider mechanism

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Wire-frame picture of the slider body component

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Conceptual design rule for function decomposition

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Dialog box for establishing a function hierarchy, interactively

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Specifying the value ranges of the properties of the PROPEL feature

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Dialog box for feature association

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Unified feature definition

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Function hierarchy in the conceptual design

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User interface for defining a new rule

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Figure 15

PROPEL conceptual design feature

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