Nonlinear Vibration Control for a High-Tc Superconducting Levitation System

Kosuke Nagaya, Masato Tsukagoshi, Yasuhiro Kosugi, Masato Murakami

研究成果: Article

抜粋

The present article discusses a modeling and control of high–Tc superconducting levitation system. The paper first clarifies analytical expressions for obtaining nonlinear levitation force given by the present author, then presents a vibration control method in which feedback currents involving frequency weights. In the method, an addition of a square of the displacement and currents in a frequency domain is taken as a cost function. Optimal coefficients of the transfer function of the controller are obtained by minimizing the cost function. Hence, the spillover instability due to the nonlinear vibration will be reduced. Numerical calculations have been carried out for some typical problems. To validate the present method, experimental tests also have been carried out.

元の言語English
ページ(範囲)2520-2527
ページ数8
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
64
発行部数623
DOI
出版物ステータスPublished - 1998
外部発表Yes

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ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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