FINAL TECHNICAL REPORT: AUTOMATIC GUIDANCE FOR VTOL AIRCRAFT

A simple perturbation feedback scheme is developed for automatic guidance of a VTOL aircraft with a velocity-command flight control system. By neglecting the delay required to attain a commanded velocity and by using ground range to touchdown rather than time as the independent variable, a reduced model having two state variables-altitude and crossrange-and three control variables-components of commanded velocity-was obtained. The performance of the guidance concept was evaluated by means of a six-degree-of-freedom digital simulation of the NASA/LaRC YHC-1A tandem rotor helicopter with the NASA/ERC velocity-command flight control system.

• Corporate Authors:

  Kaman AviDyne

  Burlington, MA  United States  01803
• Authors:
  • Hoffman, W C
• Publication Date: 1970-2

Subject/Index Terms

• TRT Terms: Automatic control; Degrees of freedom; Flight control systems; Helicopters; VTOL aircraft
• Subject Areas: Aviation; Vehicles and Equipment;

Filing Info

• Accession Number: 00074444
• Record Type: Publication
• Source Agency: FLIGHT TRANSPORTATION LABORATORY, MIT DEPT. OF AERONAUTICS AND ASTRONAUTICS
• Report/Paper Numbers: TR-66
• Files: TRIS
• Created Date: Sep 5 1974 12:00AM