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Dynamic flight command cross-feed for rotor speed droop reduction

  • US 10,641,184 B2
  • Filed: 08/23/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 11/15/2016
  • Status: Active Grant
First Claim
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1. A method of flying an aircraft, comprising:

  • receiving a control input at a control system of the aircraft;

    determining a flight command indicated by the control input;

    computing a torque response at a motor of the aircraft to the flight command for a selected air density and altitude of the aircraft;

    determining an amount of fuel required at the motor in order to reduce a rotor droop associated with the torque response when executing the flight command at the aircraft;

    determining a fuel flow to the motor based on motor parameters,executing the determined flight command at the aircraft; and

    supplying fuel to the motor of the aircraft to reduce the rotor droop while executing the flight command, wherein the fuel supplied to the motor is a sum of the fuel flow determined by the engine controller and the amount of fuel for reducing rotor speed droop determined by the processor.

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