US Patent No. 10,988,246

SYSTEMS AND METHODS FOR ACOUSTIC RADIATION CONTROL


Patent No. 10,988,246
Issue Date April 27, 2021
Title Systems And Methods For Acoustic Radiation Control
Inventorship Martin Kearney-Fischer, Manassas, VA (US)
Assignee Aurora Flight Sciences Corporation, Manassas, VA (US)

Claim of US Patent No. 10,988,246

1. A method for controlling acoustic radiation in an aircraft having a plurality of rotor systems, the method comprising:generating, via the plurality of rotor systems, acoustic radiation having a first acoustic behavior based at least in part on a commanded flight setting from a flight control system;
regulating, via a noise controller that is operatively coupled with the flight control system and each of the plurality of rotor systems, the commanded flight setting from the flight control system;
outputting, via the noise controller, a regulated flight setting to the plurality of rotor systems, wherein the regulated flight setting is configured to adjust directionality of the acoustic radiation from the plurality of rotor systems to steer a null portion of the acoustic radiation; and
generating, via the plurality of rotor systems, acoustic radiation having a second acoustic behavior that is different from the first acoustic behavior upon receipt of the regulated flight setting.