Abstract
The author have studied damping devices which utilizes nonlinearity. Among them, switched shunt damping using PZT element is a techniquewhich utilizes the switch of the inductancein the shunt circuit. This dampingtechniqueis applicable to thin plates and beams, but not to massive bodies. In this report, based on the knowledge obtained from the switched shunt damping, a new damping device which is applicable to massive bodies is discussed. An inductance in an LCR circuit corresponds to a mass in a mechanical vibratory system. Thus, this report proposes a damper in which additional mass is switched on or off using friction force like a clutch mechanism. Its damping performance is discussed through numerical simulation.
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