Abstract
Self-sensing active vibration damping is advantageous if external sensors cannotbe collocated with the actuators or these sensors add too much weight or cost.When self-sensing, electrodynamic actuators are used damping is directly added toan attached structure without the need of potentially destabilizing electronicintegrators or differentiators. In this paper self-sensing control with a shuntedresistor, positive current feedback and induced voltage feedback are investigated insimulations and experiments. Experiments with a commercial shaker on a clampedplate show that its vibration attenuation is increased from 5 to 15 dB and thecontrol bandwidth is more than doubled when the appropriate control scheme isused.
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