RESEARCH PAPERS: Design Theory and Methodology Papers

Extensions to the Taguchi Method of Product Design

[+] Author and Article Information
K. N. Otto, E. K. Antonsson

Engineering Design Research Laboratory, Division of Engineering and Applied Science, California Institute of Technology, Mail Code 104–44, Caltech, Pasadena, CA 91125

J. Mech. Des 115(1), 5-13 (Mar 01, 1993) (9 pages) doi:10.1115/1.2919325 History: Received January 01, 1991; Online June 02, 2008


The Taguchi method of product design is an experimental approximation to minimizing the expected value of target variance for certain classes of problems. Taguchi’s method is extended to designs which involve variables each of which has a range of values all of which must be satisfied (necessity), and designs which involve variables each of which has a range of values any of which might be used (possibility). Tuning parameters, as a part of the design process, are also demonstrated within Taguchi’s method. The method is also extended to solve design problems with constraints, invoking the methods of constrained optimization. Finally, the Taguchi method uses a factorial method to search the design space, with a confined definition of an optimal solution. This is compared with other methods of searching the design space and their definitions of an optimal solution.

Copyright © 1993 by The American Society of Mechanical Engineers
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