DEVS approximation of infiltration using genetic algorithm optimization of a fuzzy system

  • Authors:
  • B. P. Zeigler;Y. Moon;V. L. Lopes;J. Kim

  • Affiliations:
  • Department of Electrical and Computer Engineering University of Arizona, Tucson, AZ 85721, U.S.A.;Department of Electrical and Computer Engineering University of Arizona, Tucson, AZ 85721, U.S.A.;School of Renewable Natural Resources University of Arizona, Tucson, AZ 85721, U.S.A.;Department of Electrical and Computer Engineering University of Arizona, Tucson, AZ 85721, U.S.A.

  • Venue:
  • Mathematical and Computer Modelling: An International Journal
  • Year:
  • 1996

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Abstract

The infiltration process is generally described by a nonlinear differential equation, which can be solved by iteration methods such as a Newton-Raphson method. In this paper we propose a Discrete Event System Specification (DEVS) model for Green-Ampt infiltration. We show that this model can be approximated using Genetic Algorithm optimization of a fuzzy system. The fuzzy approximation is shown to be more accurate than the Taylor series approximation recently proposed.