Shunsuke Ohashi

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The stability of positioning is one of the most important characteristics in ywheel energy storage systems with high-temperature superconducting (HTSC) magnetic bearing. In this paper, we experimentally discuss the drift of the levitation gap in the ywheel system under the revolution. When the revolution speed of the ywheel rotor passes through the(More)
Estimated to exceed one billion, the number of those currently studying English as a foreign language is expected to continue growing. Various tools that draw on natural language processing have been developed to help students of English detect and correct writing errors. As one example, tools that correct spelling errors have achieved high accuracy and are(More)
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