Identification of aerodynamic coefficients using computational neural networks

Dennis J. Linse, Robert F. Stengel

Research output: Contribution to journalArticle

105 Scopus citations

Abstract

Precise, smooth aerodynamic models are required for implementing adaptive, nonlinear control strategies. Accurate representations of aerodynamic coefficients can be generated for the complete flight envelope by combining computational neural network models with an estimation-before-modeling paradigm for on-line training information. A novel method of incorporating first partial derivative information is employed to estimate the weights in individual feedforward neural networks for each aerodynamic coefficient. The method is demonstrated by generating a model of the normal force coefficient of a twin-jet transport aircraft from simulated flight data, and promising results are obtained.

Original languageEnglish (US)
Pages (from-to)1018-1025
Number of pages8
JournalJournal of Guidance, Control, and Dynamics
Volume16
Issue number6
DOIs
StatePublished - Nov 1993

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Aerospace Engineering
  • Space and Planetary Science
  • Electrical and Electronic Engineering
  • Applied Mathematics

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