Computer Programs for Helicopter Aerodynamic Stability Evaluation

Abstract

The three equations of motion for helicopters are reviewed for both pitch and roll. These include provisions for a simplified second order stability augmentation system. Two methods of calculating the required stability derivatives and solution of the equations of motion in terms of period and time to damp or time histories for various control motions are shown.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1976
Accession Number
ADA030816

Entities

People

  • Robert R. Oehrli

Organizations

  • United States Army Materiel Systems Analysis Activity

Tags

DTIC Thesaurus Topics

  • Aircraft Equipment
  • Aircrafts
  • Airframes
  • Army Aviation
  • Computer Programs
  • Equations
  • Equations Of Motion
  • Flight
  • Fuselages
  • Helicopters
  • Level Flight
  • Logistics Management
  • Molecular Dynamics
  • Moment Of Inertia
  • Plastic Explosives
  • Tail Rotors
  • Utility Aircraft

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Computational Modeling and Simulation
  • Robotics and Automation.