This paper presents the results of research attempts to substantiate repeatability and uniqueness claims of a functional model derivation method following a hypothesis generation and testing procedure outlined in design research literature. Three experiments are constructed and carried out with a participant pool that possesses a range of engineering design skill levels. The experiments test the utility of a functional model derivation method to produce repeatable functional models for a given product among different designers. In addition to this, uniqueness of the functional models produced by the participants is examined. Results indicate the method enhances repeatability and leads designers toward a unique functional model of a product. Shortcomings of the method and opportunities for improvement are also identified.
Experimental Studies Assessing the Repeatability of a Functional Modeling Derivation Method
Contributed by the Design Theory and Methodology Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received April 2001; rev. April 2003. Associate Editor: J. Cagan.
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Kurfman , M. A., Stock , M. E., Stone, R. B., Rajan , J., and Wood, K. L. (January 22, 2004). "Experimental Studies Assessing the Repeatability of a Functional Modeling Derivation Method ." ASME. J. Mech. Des. December 2003; 125(4): 682–693. https://doi.org/10.1115/1.1625400
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