Honeywell International Inc.

Michael Popescu

Murali Mohan Talapureddi

Kevin S Dittmar

Jeffrey Sloat

Leticia Montes

A system and method for detecting ground resonance and providing a warning regarding the same includes supplying, from an inertial navigation system (INS), inertial data indicative of an inertial profile of a rotorcraft, and supplying, from a sensor system, sensor data that indicates when the rotorcraft is at least partially on a landing surface. The sensor data is processed, in a processing system, to determine when the rotorcraft is at least partially on the landing surface, and when the rotorcraft is determined to be at least partially on the landing surface, the inertial data is processed, in the processing system to determine when the inertial profile of the rotorcraft indicates ground resonance may occur. Upon determining that ground resonance may occur, one or more alert signals are generated in the processing system.

Ground resonance detection and warning system and method

An adaptive aircraft electrical power distribution system includes an aircraft power source, a power connector, an aircraft power distribution bus, and a bidirectional power controller. The aircraft power source is operable to generate and supply electrical power. The power connector is mounted on a fuselage of the aircraft. The aircraft power distribution bus is operable to distribute electrical power to an aircraft electrical load. The bidirectional power controller is mounted in the aircraft and is electrically coupled to the aircraft power source, the aircraft power connector, and the aircraft power distribution bus. The bidirectional power controller is configured to: sense when the aircraft power source is generating and supplying electrical power, sense when electrical power is being supplied to the power connector from an external power source, and selectively couple at least one of the aircraft power source or the power connector to the aircraft power distribution system.

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Phoenix, AZ, United States of America

Michael Popescu