In this work, exact closed-form solutions are derived for optimizing the resonant shunt circuits of electromagnetic shunt dampers (EMSDs), which use an electromagnetic transducer, and piezoelectric shunt dampers (PZSDs), which use a piezoelectric element, shunted with an electric circuit. Modeling of the EMSD and PZSD is unified by nondimensional parameters. The optimization criteria selected for the EMSD and PZSD are H∞-norm minimization, H2-norm minimization, and exponential time-decay rate maximization. The aim of this study is to derive for the first time the exact solutions that have not previously been investigated, including cases that consider the inherent damping of the primary system. This paper comprehensively summarizes the exact solutions based on the optimization criteria together with approximated solutions obtained by the fixed-point method, which is commonly used to optimize the dynamic vibration absorber (DVA).
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June 2019
Research-Article
Exact Solutions to H∞ and H2 Optimizations of Passive Resonant Shunt Circuit for Electromagnetic or Piezoelectric Shunt Damper
Toru Ikegame,
Toru Ikegame
Department of Mechanical Systems Engineering,
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: toru.ikegame@nagoya-u.jp
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: toru.ikegame@nagoya-u.jp
1Corresponding author.
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Kentaro Takagi,
Kentaro Takagi
Department of Mechanical Systems Engineering,
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: kentaro.takagi@nagoya-u.jp
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: kentaro.takagi@nagoya-u.jp
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Tsuyoshi Inoue
Tsuyoshi Inoue
Department of Mechanical Systems Engineering,
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: inoue.tsuyoshi@nagoya-u.jp
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: inoue.tsuyoshi@nagoya-u.jp
Search for other works by this author on:
Toru Ikegame
Department of Mechanical Systems Engineering,
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: toru.ikegame@nagoya-u.jp
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: toru.ikegame@nagoya-u.jp
Kentaro Takagi
Department of Mechanical Systems Engineering,
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: kentaro.takagi@nagoya-u.jp
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: kentaro.takagi@nagoya-u.jp
Tsuyoshi Inoue
Department of Mechanical Systems Engineering,
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: inoue.tsuyoshi@nagoya-u.jp
Nagoya University,
Nagoya, Aichi 4648603, Japan
e-mail: inoue.tsuyoshi@nagoya-u.jp
1Corresponding author.
Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received August 15, 2018; final manuscript received January 12, 2019; published online March 25, 2019. Assoc. Editor: Lei Zuo.
J. Vib. Acoust. Jun 2019, 141(3): 031015 (15 pages)
Published Online: March 25, 2019
Article history
Received:
August 15, 2018
Revised:
January 12, 2019
Citation
Ikegame, T., Takagi, K., and Inoue, T. (March 25, 2019). "Exact Solutions to H∞ and H2 Optimizations of Passive Resonant Shunt Circuit for Electromagnetic or Piezoelectric Shunt Damper." ASME. J. Vib. Acoust. June 2019; 141(3): 031015. https://doi.org/10.1115/1.4042819
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