Light-Weight Active Vibration Control System Allows Hindustan’s DHRUV to Fly High

Customer
Hindustan Aeronautics, Ltd. for its Advanced Light Helicopter, otherwise known as the Indian DHRUV, the world’s only helicopter  to have flown over the Himalayas and Mount Everest.

Challenge
LORD was tasked with designing an active vibration control solution to minimize vibration in the fuselage of the 12-passenger, two-crew member aircraft.

Solution
LORD applied its proven Active Vibration Control System. The technology employs active Frahms to reduce vibration in the fuselage generated by the main rotor and the rotor aerodynamics.

Results
LORD Corporation’s design provides the DHRUV with the unique ability to respond to a variety of factors, depending on the mission. Further, the system weight is less than one percent of the aircraft GW.