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A role for "one-factor-at-a-time" experimentation in parameter design

Research in Engineering Design, ISSN: 0934-9839, Vol: 14, Issue: 2, Page: 65-74
2003
  • 136
    Citations
  • 0
    Usage
  • 226
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    136
    • Citation Indexes
      135
    • Patent Family Citations
      1
      • Patent Families
        1
  • Captures
    226

Article Description

This paper explores the role of one-at-a-time experimentation in parameter design of engineering systems. The focus is on degree of improvement achieved rather than on efficiency in estimating model parameters. The performance of adaptive one-at-a-time plans is compared with the performance of orthogonal arrays through computer simulations based on data from 66 response variables in 27 full factorial experiments described in science and engineering journals and textbooks. From the simulation results, a map of the expected gains in performance is provided as a function of the degree of pure experimental error and the strength of interactions among experimental factors. When experimental error is small (less than a quarter of the factor effects) or the interactions among control factors are large (more than one-quarter of all factor effects), an adaptive one-at-a-time strategy tends to achieve greater gains than those provided by orthogonal arrays.

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