Accession Number : ADD008142

Title :   G-Protection System Sensing a Change in Acceleration and Tilt Angle.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Crosbie,Richard J ; Edwards,Paul R

Report Date : 06 Jan 1981

Pagination or Media Count : 6

Abstract : This report describes a gravity protective system for pilots including a pressurized suit and a control system therefor for regulating the pressure in the suit in response to variations in acceleration along the thoracic axis of the pilot. Signals indicative of acceleration along the vertical axis of the aircraft and cosine function of the tilt angle of the pilot's seat are combined with a derivative function of their product to produce a control signal for regulating the air pressure within the suit. A threshold control limits regulation to acceleration above a predetermined level, and a feedback circuit from the suit ensures rapid response without oscillation.

Descriptors :   *Patents, *Protective equipment, *Protective clothing, *Pilots, Pressure suits, Control systems, Pressure regulators, Acceleration, Flight maneuvers, Attitude(Inclination), Human factors engineering, Aircraft seats

Subject Categories : Aircraft
      Protective Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE