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Research Papers

Using a Modified Failure Modes and Effects Analysis Within the Structured Design Recovery Framework

[+] Author and Article Information
R. J. Urbanic

 University of Windsor, 401 Sunset Avenue, Windsor, ON, N9B 3P4, Canadajurbanic@uwindsor.ca

W. H. ElMaraghy1

 University of Windsor, 401 Sunset Avenue, Windsor, ON, N9B 3P4, Canadawem@uwindsor.ca

1

Corresponding author.

J. Mech. Des 131(11), 111005 (Oct 07, 2009) (13 pages) doi:10.1115/1.3201968 History: Received August 17, 2007; Revised July 02, 2009; Published October 07, 2009

Design recovery is defined as determining the relevant form and functions and their relationships for a component in order to generate a complete engineering representation. To lead to a more complete model, an integrated approach that assesses the component from different perspectives is presented here, as no one perspective or set of tools can provide a comprehensive engineering representation. There is always the potential for error; hence, the necessity to assess latent design and/or design recovery issues in rigorous manner. A modified failure modes and effects analysis (FMEA) was developed to provide a foundation for the reconstructed model’s design validation. The modified FMEA is designed to interface directly with the design recovery framework. A matrix based procedure, which considers feature functions and relationships, is developed to assist the designer to quickly assess the feature design using a consistent structured approach. The results are plotted, and subsequent testing strategies are suggested based on the characteristics of the features being assessed. Examples illustrate the proposed methodologies and highlight their merits.

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Copyright © 2009 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

Reverse geometric modeling

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Figure 2

Design recovery framework for reverse engineering, adapted from Zachman (10)

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Figure 3

Resolution levels for the design recovery process

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Figure 12

Power steering pump pulley FMEA results

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Figure 14

Connecting rod modified FMEA results

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Figure 6

DSM configurations (14)

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Figure 7

Coupling of geometric variations sample

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Figure 8

Charting the FMEA results

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Figure 9

Power steering pump pulley

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Figure 10

Pulley connectivity diagram

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Figure 11

CAD model of reconstructed pulley

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Figure 4

Component level analysis summary

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Figure 5

Design parameters for different feature shapes

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