A Procedure for Robust Design: Minimizing Variations Caused by Noise Factors and Control Factors

[+] Author and Article Information
Wei Chen

Department of Mechanical Engineering, Clemson University, Clemson, SC

J. K. Allen, F. Mistree

George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia

Kwok-Leung Tsui

School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, Georgia

J. Mech. Des 118(4), 478-485 (Dec 01, 1996) (8 pages) doi:10.1115/1.2826915 History: Received October 01, 1995; Revised May 01, 1996; Online December 11, 2007


In this paper, we introduce a small variation to current approaches broadly called Taguchi Robust Design Methods. In these methods, there are two broad categories of problems associated with simultaneously minimizing performance variations and bringing the mean on target, namely, Type I—minimizing variations in performance caused by variations in noise factors (uncontrollable parameters). Type II—minimizing variations in performance caused by variations in control factors (design variables). In this paper, we introduce a variation to the existing approaches to solve both types of problems. This variation embodies the integration of the Response Surface Methodology (RSM) with the compromise Decision Support Problem (DSP). Our approach is especially useful for design problems where there are no closed-form solutions and system performance is computationally expensive to evaluate. The design of a solar powered irrigation system is used as an example.

Copyright © 1996 by The American Society of Mechanical Engineers
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