Variable measurement structures for the control of a tubular reactor

Jesús Alvarez, José A. Romagnolit, George Stephanopoulos

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


The feasibility of the variable measurements structure is investigated within the framework of controlling a tubular chemical reactor. An on-line sequential analysis of the temperature measurements along the length of the reactor, allows a fast and time-adaptive selection of the best measurements to be used in a low order, simple and robust control scheme. The approach has been developed for both static and dynamic cases. It is based on a recursive computation of the state estimate errors. Its theoretical and computational simplicity makes it attractive for on-line implementation. The procedure has been applied for the adaptive tubular reactor under pseudo-steady state and dynamic conditions with very encouraging results.

Original languageEnglish (US)
Pages (from-to)1695-1712
Number of pages18
JournalChemical Engineering Science
Issue number10
StatePublished - 1981
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering


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