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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003584naa a2200457 4500
001oai:research.chalmers.se:3426557f-5b84-4494-80b7-49bb9f0955be
003SwePub
008171008s2016 | |||||||||||000 ||eng|
0247 a https://doi.org/10.13182/fst15-2072 DOI
0247 a https://research.chalmers.se/publication/2471902 URI
040 a (SwePub)cth
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Liu, Yueqiang,d 1971u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)elfliu
2451 0a Multimachine Data-Based Prediction of High-Frequency Sensor Signal Noise for Resistive Wall Mode Control in ITER
264 c 2017-03-23
264 1b Informa UK Limited,c 2016
338 a electronic2 rdacarrier
520 a The high-frequency noise measured by magnetic sensors, at levels above the typical frequency of resistive wall modes, is analyzed across a range of present tokamak devices including DIII-D, JET, MAST, ASDEX Upgrade, JT-60U, and NSTX. A high-pass filter enables identification of the noise component with Gaussian-like statistics that shares certain common characteristics in all devices considered. A conservative prediction is made for ITER plasma operation of the high-frequency noise component of the sensor signals, to be used for resistive wall mode feedback stabilization, based on the multimachine database. The predicted root-mean-square n = 1 (n is the toroidal mode number) noise level is 10(4) to 10(5) G/s for the voltage signal, and 0.1 to 1 G for the perturbed magnetic field signal. The lower cutoff frequency of the Gaussian pickup noise scales linearly with the sampling frequency, with a scaling coefficient of about 0.1. These basic noise characteristics should be useful for the modeling-based design of the feedback control system for the resistive wall mode in ITER.
650 7a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronikx Reglerteknik0 (SwePub)202022 hsv//swe
650 7a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineeringx Control Engineering0 (SwePub)202022 hsv//eng
653 a Sensor noise
653 a resistive wall mode
7001 a Sabbagh, S. A.u Columbia University in the City of New York4 aut
7001 a Chapman, I. T.u Culham Science Centre4 aut
7001 a Gerasimov, S.u Culham Science Centre4 aut
7001 a Gribov, Y.4 aut
7001 a Hender, T. C.u Culham Science Centre4 aut
7001 a Igochine, V.u Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)4 aut
7001 a Maraschek, M.u Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)4 aut
7001 a Matsunaga, G.u Japan Atomic Energy Agency4 aut
7001 a Okabayashi, M.u Princeton University4 aut
7001 a Strait, E. J.u General Atomics4 aut
7102 a Chalmers tekniska högskolab Columbia University in the City of New York4 org
7730 t Fusion Science and Technologyd : Informa UK Limitedg 70:3, s. 387-405q 70:3<387-405x 1536-1055x 1943-7641
8564 u http://publications.lib.chalmers.se/records/fulltext/247190/local_247190.pdfx primaryx freey FULLTEXT
8564 u http://publications.lib.chalmers.se/records/fulltext/247190/local_247190.pdf
8564 8u https://doi.org/10.13182/fst15-207
8564 8u https://research.chalmers.se/publication/247190

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