NASA NTRS · 19940000696
Dual-Actuator Active Vibration-Control System
Abstract
Dual-actuator active vibration-control (DAAVC) system is developmental system of type described in "Active Vibration Dampers for Rotating Machinery" (LEW-15427). System features sensors and actuators positioned and oriented at bearings to measure and counteract vibrations of shaft along either of two axes perpendicular to axis of rotation. Effective in damping vibrations of helicopter-engine test stand, making it safer to operate engine at speeds near and above first resonance of engine/test-stand system. Opens new opportunities for engine designers to draw more power from engine, and concept applicable to other rotating machines.
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Kascak, Albert F., Kiraly, Louis J., Montague, Gerald T., Palazzolo, Alan B., Manchala, Daniel. 1994-12-01. Dual-Actuator Active Vibration-Control System. https://ntrs.nasa.gov/citations/19940000696
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