초록 ▼

A vertical performance limit compensator is provided for a rotary wing aircraft. The compensator modifies a vertical velocity command signal for the aircraft's autopilot. The vertical velocity command signal represents a desired vertical velocity for the aircraft, and results in an associated engine

A vertical performance limit compensator is provided for a rotary wing aircraft. The compensator modifies a vertical velocity command signal for the aircraft's autopilot. The vertical velocity command signal represents a desired vertical velocity for the aircraft, and results in an associated engine power demand. Existing engine power remaining beyond that required for level flight is excess engine power. An engine performance signal is provided as an indication of an engine power demand that exceeds the excess engine power. A compensated vertical velocity command signal having a magnitude lower than the vertical velocity command signal is provided in response to the vertical velocity command signal and the presence of the engine performance signal.

대표청구항 ▼

[ What is claimed is:] [1.] Apparatus, for modifying a vertical velocity command signal presented from a command portion of an autopilot to a closed loop portion of an autopilot in a rotary wing aircraft, the vertical velocity command signal representing a vertical velocity which the autopilot will

[ What is claimed is:] [1.] Apparatus, for modifying a vertical velocity command signal presented from a command portion of an autopilot to a closed loop portion of an autopilot in a rotary wing aircraft, the vertical velocity command signal representing a vertical velocity which the autopilot will seek to have the aircraft achieve and which results in an associated engine power demand, an engine power being required for aircraft level flight and the remaining engine power which exceeds that required for aircraft level flight being excess engine power, the apparatus comprising:sensor means for providing an engine performance signal indicative of the presence of an engine power demand that exceeds the excess engine power, andcompensation means, operatively connected between the command portion and closed loop portion of the autopilot, and responsive to the vertical velocity command signal and said engine performance signal, for providing to the closed loop portion of the autopilot, in the joint presence of both the vertical velocity command signal and said engine performance signal, a compensated vertical command signal having a magnitude that is lower than that of the vertical velocity command signal.