Identifying rising ridge behavior in quadratic response surfaces

Bruce E Ankenman*

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Canonical analysis is a common method for exploring and exploiting fitted quadratic response surfaces. Much attention in canonical analysis is given to identifying ridge behavior in these surfaces in order to achieve optimal response at minimum cost. However, little attention has been given to classifying the identified ridge as a stationary ridge or a rising ridge. Knowing whether a ridge is stationary or rising is critical for making decisions about how to continue the response surface exploration or for setting process parameters. This article presents two methods that allow for identification, classification and confirmation of ridge behavior. The first method is based on linear regression and though easily implemented, can be imprecise. The second method is more precise and is based on a new parameterization of the canonical form. It uses nonlinear regression techniques that are becoming increasingly accessible through software packages.

Original languageEnglish (US)
Pages (from-to)493-502
Number of pages10
JournalIIE Transactions (Institute of Industrial Engineers)
Volume35
Issue number6
DOIs
StatePublished - Jun 1 2003

ASJC Scopus subject areas

  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering

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