Rotorcraft fly-by-wire control laws

摘要

According to one embodiment, a flight control system includes a pilot control module configured to receive commands from a pilot, a flight control module operable to transmit an instruction to change at least one operating condition of an aircraft, and a flight control computer in communication between the flight control module and the pilot control module. The flight control computer is configured to receive a pilot command to change a first flight characteristic, wherein changing the first flight characteristic would result in an expected change to a second flight characteristic. The flight control computer may instruct the flight control module to transmit an instruction to change a first operating condition of the aircraft and instruct the flight control module to transmit an instruction to change a second operating condition of the aircraft to at least partially offset the expected change to the second flight characteristic.

主权项

1. A rotorcraft, comprising:
a body; a power train coupled to the body and comprising a power source and a drive shaft coupled to the power source; a rotor system coupled to the power train and comprising a plurality of rotor blades; a flight control system operable to change at least one operating condition of the rotor system; a pilot control assembly configured to receive commands from a pilot, wherein the flight control system is a fly-by-wire flight control system in electrical communication with the pilot control assembly; and a flight control computer is in electrical communication between the flight control system and the pilot control assembly, the flight control computer is configured to:
receive, from the pilot control assembly, a pilot command to change a first flight characteristic, wherein changing the first flight characteristic would result in an expected change to a second flight characteristic;instruct, in response to the received pilot command, the flight control system to change a first operating condition of the flight control system based on an inherently-coupled relationship between the first flight characteristic and the second flight characteristic; andinstruct, in response to the expected change to the second flight characteristic, the flight control system to change a second operating condition of the flight control system to at least partially offset the expected change to the second flight characteristic such that the flight control system at least partially decouples aircraft motions that are inherently coupled.