Design of experiment and parameter estimation in a bistable system: Ethylene oxidation on platinum

Moshe Sheintuch, Moshe Avichai

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A methodology for designing experiments aimed at determining the set of limit points in a bistable system is developed and applied, in an automated system, to nonisothermal oxidation of ethylene on platinum. Bifurcation diagrams are automatically traced by fine-scanning domains that were identified to include limit points in the preceding coarse scan. Model discrimination shows that a Langmuir-Hinshelwood rate expression may account for the observed qualitative features. The parameter estimation procedure is aimed at fitting the limit points by identifying and locating singular points and special features of this set. We derive the defining conditions and search for parameters that satisfy them within the uncertainty of the experimental data. Good description of the bifurcation diagrams and sets is achieved with few parameters.

Original languageEnglish
Pages (from-to)1152-1157
Number of pages6
JournalIndustrial and Engineering Chemistry Research
Volume27
Issue number7
DOIs
StatePublished - 1 Jul 1988
Externally publishedYes

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