Vertical flight path and airspeed control system for aircraft
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United States of America Patent
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Aug 16, 1988
Grant Date -
N/A
app pub date -
Jul 16, 1986
filing date -
Jul 16, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aircraft control system that simultaneously controls vertical speed (or flight path angle) and airspeed or Mach number by supplying the vertical speed (or flight path angle) command to the autothrottle system and the airspeed or Mach command to the autopilot pitch channel. A thrust reference computer provides an approximation of the thrust required to maintain the reference vertical speed (or flight path angle) and a vertical speed error signal in closed loop fashion provides a vernier adjustment to the approximation to provide the autothrottle channel command.
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