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Development of fast steering mirror control system for plasma heating and diagnostics.
Okada, K; Nishiura, M; Kubo, S; Shimozuma, T; Yoshimura, Y; Igami, H; Takahashi, H; Tanaka, K; Kobayashi, S; Ito, S; Mizuno, Y; Ogasawara, S.
Afiliação
  • Okada K; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Nishiura M; Department of Advanced Energy, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba 277-8561, Japan.
  • Kubo S; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Shimozuma T; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Yoshimura Y; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Igami H; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Takahashi H; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Tanaka K; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Kobayashi S; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Ito S; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Mizuno Y; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
  • Ogasawara S; National Institute for Fusion Science, Toki, Gifu 509-5292, Japan.
Rev Sci Instrum ; 85(11): 11E811, 2014 Nov.
Article em En | MEDLINE | ID: mdl-25430376
ABSTRACT
A control system for a fast steering mirror has been newly developed for the electron cyclotron heating (ECH) launchers in the large helical device. This system enables two-dimensional scan during a plasma discharge and provides a simple feedback control function. A board mounted with a field programmable gate array chip has been designed to realize feedback control of the ECH beam position to maintain higher electron temperature by ECH. The heating position is determined by a plasma diagnostic signal related to the electron temperature such as electron cyclotron emission and Thomson scattering.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article