Nonlinear Flying Qualities Criteria for Large-Amplitude Maneuvers

Abstract

The Nonlinear Flying Qualities (NFQ) for Large-Amplitude Maneuvers Program examined promising techniques from nonlinear analysis and nonlinear system theory which are pertinent to the formation of a nonlinear flying qualities methodology. This report surveys nonlinear system theory and describes the development of an applied flying qualities methodology based on a canonical system theory and using research in relative controllability/observability. The applied flying qualities formulation is implemented in a numerical procedure and coupled with a six degree-of-freedom simulation to yield a flying qualities criteria of a multivariable time-varying representation of the aircraft dynamics. Results for representative classes of canonical systems for aircraft in both steady flight and large-amplitude maneuvers are presented. The relationship with current flying qualities formulations is also discussed. Keywords: Flight maneuvers; Flying qualities; Fighter aircraft; Combat maneuvers; Aerial warfare; Handling qualities; Equivalent systems.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1984
Accession Number
ADA176292

Entities

People

  • Alan R. Mitchell
  • Frank J. Serna

Organizations

  • TASC, Inc

Tags

Communities of Interest

  • Air Platforms
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Aircrafts
  • Airframes
  • Computational Fluid Dynamics
  • Computational Science
  • Computer Programs
  • Computers
  • Differential Equations
  • Fighter Aircraft
  • Functional Analysis
  • Linear Systems
  • Nonlinear Analysis
  • Nonlinear Differential Equations
  • Nonlinear Dynamics
  • Nonlinear Systems
  • Procedures (Computers)
  • Simulations
  • Test And Evaluation

Fields of Study

  • Physics

Readers

  • Aviation Science / Aeronautics.
  • Control Systems Engineering.