Paper: A control engineering review of fuzzy systems

  • Authors:

  • R. M. Tong

  • Affiliations:

  • British Steel Corporation Research Associate, Control and Management Systems Group, University of Cambridge Engineering Dept., Mill Lane, Cambridge CB2 1RX. Canada

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 1977

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Abstract

Many complex industrial processes cannot be satisfactorily controlled using the results of modern control theory, mainly because their precise structure is unknown. However, this is often balanced by a considerable amount of 'engineering feel' for the process which is difficult to quantify and utilise. Fuzzy set theory is a relatively new concept which allows this qualitativeness to be expressed rigorously and in this paper its usefulness for control is assessed. The state of the art is reviewed and reveals a surprising number of practical successes.