Modified desirability functions for multiple response optimization

Enrique Del Castillo, Douglas Montgomery, Daniel R. McCarville

Research output: Contribution to journalArticlepeer-review

311 Scopus citations


Desirability functions have been used extensively to simultaneously optimize several responses. Since the original formulation of these functions contains non-differentiable points, only search methods can be used to optimize the overall desirability response. Furthermore, all responses are treated as equally important. We present modified desirability functions that are everywhere differentiable so that more efficient gradient-based optimization methods can be used instead. The proposed functions have the extra flexibility of allowing the analyst to assign different priorities among the responses. The methodology is applied to a wire bonding process that occurs in semiconductor manufacturing, an industrial process where multiple responses are common.

Original languageEnglish (US)
Pages (from-to)337-345
Number of pages9
JournalJournal of Quality Technology
Issue number3
StatePublished - Jul 1996


  • Desirability
  • Optimization
  • Response Surface Methodology

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Strategy and Management
  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering


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