Account for uncertainty with robust control design: Part 1

Rakesh Joshi, Konstantinos Tsakalis, J. Ward MacArthur, Sachi Dash

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The dynamic behavior of a process can never be modeled perfectly. Process controllers can be designed to handle this uncertainty. The main goal of control theory is the design of a controller that senses the behavior of the process, compares it to the desired behavior, computes corrective actions based on a model of the system, and prompts the system to take the corrective action. Most controller design methods require a linear nominal model of the process. Some techniques rely on frequency-domain analysis, although more recent methods can be used to formulate time- and frequency-domain specifications as optimization problems.

Original languageEnglish (US)
Pages (from-to)31-38
Number of pages8
JournalChemical Engineering Progress
Issue number11
StatePublished - Nov 1 2014

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering
  • Materials Chemistry


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