Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/79197
Title: Versatile behaviors of electromagnetic shunt damper with a negative impedance converter
Authors: Li, JY 
Zhu, SY 
Keywords: Analogue between mechanical and electric systems
Electromagnetic shunt damper
Inerter
Tuned-inerter damper
Viscoelastic damper
Viscous fluid damper
Issue Date: 2018
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE/ASME transactions on mechatronics, June 2018, v. 23, no. 3, p. 1415-1424 How to cite?
Journal: IEEE/ASME transactions on mechatronics 
Abstract: An electromagnetic shunt damper (EMSD) refers to the electromagnetic device connected to a specially designed shunt circuit that suppresses structural vibration. The analogy between mechanical and electrical systems offers the theoretical possibility of imitating various mechanical dampers using EMSDs. However, the inherent resistance of the whole circuit unfavorably affects the EMSD performance, including the analogous relationship. This study proposes a novel passive solution to address this practical limitation by using a negative impedance converter with voltage inversion (VNIC) to partially cancel the inherent resistance of shunt circuits. The benefit of the VNIC is revealed through theoretical and experimental studies. With the aid of a VNIC, a single electromagnetic device can mimic the versatile behaviors of different types of conventional dampers, such as viscous fluid, viscoelastic, inerter, and tuned inerter dampers, by conveniently adjusting the designs and parameters of shunt circuits. To the best of the authors' knowledge, the versatility of EMSDs presented in this paper has not been experimentally illustrated in the literature.
URI: http://hdl.handle.net/10397/79197
ISSN: 1083-4435
DOI: 10.1109/TMECH.2018.2813307
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