Math Model for NADC Spin Simulator and F-14 High Angle of Attack Data Base. Volume I.

Abstract

Nonlinear equations of aircraft motion, a digital representation of aircraft control systems, and a high angle of attack data base for the F-14 airplane are presented. The equations of motion are designed to be suitable for modeling extreme high angle of attack flight and even fully developed spins. These equations accommodate: linear or nonlinear data which are functions of up to three variables, large angle orientations, mass-engine-store assymetries, and oscillatory and rotoary balance data. The control system development uses the Tustin transformation to calculate the state space matrix representation of linear networks directly from the transfer functions of each element. Nonlinear elements such as gain scheduling, switching, and nonlinear algebraic functions are also considered. Current F-14 Control Systems of interest are diagrammed in a manner amenable to the programming of this method. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1980
Accession Number
ADA104901

Entities

People

  • J. M. Stifel

Organizations

  • Naval Air Warfare Center Warminster

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Aircrafts
  • Airframes
  • Angular Acceleration
  • Computational Science
  • Computer Programming
  • Control Systems
  • Difference Equations
  • Differential Equations
  • Equations
  • Equations Of Motion
  • Euler Angles
  • High Angles
  • Orientation (Direction)
  • Reliability
  • Simulators
  • Standards
  • Transfer Functions

Fields of Study

  • Physics

Readers

  • Aviation Science / Aeronautics.
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Theoretical Analysis.

Technology Areas

  • Space
  • Space - Spacecraft Maneuvers