Accession Number : ADD002147

Title :   Blended Manual-Automatic Control System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Knemeyer,Siegfried ; McElreath,Kenneth W

Report Date : 18 Nov 1975

Pagination or Media Count : 10

Abstract : The patent relates to a control method comprising generating a command signal proportional to the difference between a desired control effect and the instantaneous control effect, splitting the command signal into a high frequency portion and a low frequency portion, applying the high frequency portion to a mechanical servomechanism for automatically executing the high frequency portion of the command, and displaying only the low frequency long term portion of the command for manual execution. As a specific example, apparatus is disclosed for controlling the airspeed of a helicopter in accordance with the method.

Descriptors :   *Man machine systems, *Patents, Control systems, Flight control systems, Signal generators, Helicopters, Airspeed

Subject Categories : Flight Control and Instrumentation
      Human Factors Engineering & Man Machine System

Distribution Statement : APPROVED FOR PUBLIC RELEASE