Electromagnetic Synchronized Switch Damping for Vibration Control of Flexible Beams

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An electromagnetic synchronized switch damper integrated with the receding horizon optimal control law was developed to enhance the damping characteristics of flexible beam structures subject to dynamic loads. The damper system consists of a magnet attached to an aluminum beam and a coil placed at the bottom of the magnet. Both ends of the coil were connected to the external switching circuit, which includes an electromagnetic transducer, a capacitor, a resistor, and a switcher designed for efficient energy dissipation to reduce structural vibration. Further, a coil-based self-sensing scheme without additional measurement of the displacement and the velocity was successfully applied to the present switching scheme without performance loss. The present results show that the electromagnetic synchronized switching scheme can be successfully employed to improve the electromagnetic damping of the flexible structures, resulting in the robust vibration control regardless of changes to the circuit parameters.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2012-12
Language
English
Article Type
Article
Keywords

PIEZOELECTRIC MATERIALS; ACTUATOR; DAMPER; SYSTEM; SUPPRESSION; TRANSDUCER; ELEMENTS; DESIGN; MODEL

Citation

IEEE-ASME TRANSACTIONS ON MECHATRONICS, v.17, no.6, pp.1031 - 1038

ISSN
1083-4435
DOI
10.1109/TMECH.2011.2157934
URI
http://hdl.handle.net/10203/104188
Appears in Collection
ME-Journal Papers(저널논문)
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