Active vibration damping using a shunted inertial actuator is advantageous if external sensors cannot be collocated with the actuators, or these sensors would add too much weight or cost. When electrodynamic actuators are used, damping can be directly added to the structure where they are attached without the need of electronic integrators or differentiators. Inertial actuators have also the advantage that they do not need to react relative to a fixed base. In this paper, control with a shunted resistor, current feedback, and induced voltage feedback, with and without inductance compensation, are all investigated in simulations and experiments. Experiments with a lightweight, inertial actuator on a clamped plate show that vibration amplitude is decreased between 6 and and control bandwidth is doubled when the internal actuator inductance is compensated.
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February 2007
Technical Papers
Active Vibration Damping Using an Inertial, Electrodynamic Actuator (DETC2005-84632)
Paolo Gardonio,
Paolo Gardonio
Institute of Sound and Vibration Research,
University of Southampton
, Southampton SO17 1BJ, UK
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Stephen J. Elliott
Stephen J. Elliott
Institute of Sound and Vibration Research,
University of Southampton
, Southampton SO17 1BJ, UK
Search for other works by this author on:
Christoph Paulitsch
Paolo Gardonio
Institute of Sound and Vibration Research,
University of Southampton
, Southampton SO17 1BJ, UK
Stephen J. Elliott
Institute of Sound and Vibration Research,
University of Southampton
, Southampton SO17 1BJ, UKJ. Vib. Acoust. Feb 2007, 129(1): 39-47 (9 pages)
Published Online: July 16, 2006
Article history
Received:
October 7, 2005
Revised:
July 16, 2006
Citation
Paulitsch, C., Gardonio, P., and Elliott, S. J. (July 16, 2006). "Active Vibration Damping Using an Inertial, Electrodynamic Actuator (DETC2005-84632)." ASME. J. Vib. Acoust. February 2007; 129(1): 39–47. https://doi.org/10.1115/1.2349537
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