Model context selection for run-to-run control

O. Arda Vanli, Nital S. Patel, Mani Janakiram, Enrique Del Castillo

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


In the design of run-to-run controllers one is usually faced with the problem of selecting a model structure that best explains the variability in the data. The variable selection problem often becomes more complex when there are large numbers of candidate variables and the usual regression modeling assumptions are not satisfied. This paper proposes a model selection approach that uses ideas from the statistical linear models and stepwise regression literature to identify the context variables that contribute most to the autocorrelation and to the offsets in the data. A simulation example and an application to lithography alignment control are presented to illustrate the approach.

Original languageEnglish (US)
Article number4369349
Pages (from-to)506-516
Number of pages11
JournalIEEE Transactions on Semiconductor Manufacturing
Issue number4
StatePublished - Nov 2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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