Higher Harmonic Control and Actuation System for the Navy H-60 Helicopters

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 20829
Amount: $49,848.00
Phase: Phase I
Program: SBIR
Awards Year: 1991
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Satcon Technology Corp.
12 Emily St., Cambridge, MA, 02139
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr. James R. Downer
 (617) 661-0540
Business Contact
Phone: () -
Research Institution
Future Army rotorcraft/air-vehicle systems will require advances in survivability, operability and supportability. SatCon Technology Corporation proposes to design, fabricate, and demonstrate an integrated swashplate hydraulic actuation system for control of helicopter vibrations which will allow improvements in all three these areas. This system will improve operability by improving maneuverability, agility, and speed; improve supportability by increasing reliability; and improve survivability by decreasing noise signature. In conventional helicopters, control of the rotor is achieved by the use of a swashplate. For a number of rotor control problems, however, the existing hydraulically actuated swashplate is sub-optimal. Due to the limited frequency response of the swashplate's hydraulic actuators, existing swashplates have insufficient bandwidth to provide active control of higher harmonic helicopter rotor vibrations. However, the actuator bandwidth problem can be alleviated if the existing hydraulic actuators are replaced with a modern state-of-the-art hydraulic System. This approach requires a minimum modification of the existing hardware while achieving a significant reduction in the vibration of the fuselage. Phase I will consist of prove of concept, initial design, and detailed planning for phase II. Phase II will consist of design, fabrication, and testing of the prototype hardware.

* information listed above is at the time of submission.

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