Research Papers: Design Theory and Methodology

Identifying Critical Functions for Use Across Engineering Design Domains

[+] Author and Article Information
Briana Lucero

Department of Mechanical Engineering,
Colorado School of Mines,
Golden, CO 80401
e-mail: blucero@mines.edu

Vimal K. Viswanathan

Assistant Professor,
Department of Mechanical Engineering,
Tuskegee University,
Tuskegee, AL 36088
e-mail: vviswanathan@mytu.tuskegee.edu

Julie S. Linsey

Assistant Professor,
Innovation, Design Reasoning,
Engineering Education and Methods Lab,
George W. Woodruff School
of Mechanical Engineering,
Georgia Institute of Technology,
Atlanta, GA 30332
e-mail: julie.linsey@me.gatech.edu

Cameron J. Turner

Assistant Professor,
Department of Mechanical Engineering,
Colorado School of Mines,
Golden, CO 80401
e-mail: cturner@mines.edu

1Corresponding author.

Contributed by the Design Theory and Methodology Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received January 20, 2014; final manuscript received August 6, 2014; published online October 20, 2014. Assoc. Editor: Robert B. Stone.

J. Mech. Des 136(12), 121101 (Oct 20, 2014) (11 pages) Paper No: MD-14-1066; doi: 10.1115/1.4028280 History: Received January 20, 2014; Revised August 06, 2014

This research defines the basis for a new quantitative approach for retrieving useful analogies for innovation based on the relevant performance characteristics of functions. The concept of critical functionality is the idea of identifying only a certain set of pertinent design functions observed in a single domain that significantly define the functionality of the product. A critical function (CF) is a function within a functional model whose performance directly relates to a key performance parameter (KPP) of the system as a whole. These CFs will enable multiple analogies to be presented to a designer by recognizing similar functionality across distant design domains and incorporating key performance criteria. The ultimate focus of this research project is to create a performance-metric-based analogy library, called the design analogy performance parameter system (DAPPS). By focusing on a select set of “critical” functions, more design domains can be included in the database facilitating analogy retrieval founded on the qualification of KPPs.

Copyright © 2014 by ASME
Topics: Design , Students , Homework
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Grahic Jump Location
Fig. 2

Manual can opener device function structure

Grahic Jump Location
Fig. 1

Generic function block diagram [4]

Grahic Jump Location
Fig. 3

Timeline of data collection



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