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Operation of a cryogenic current comparator in presence of mechanical vibrations
Bierzychudek, Marcos E. Götz, Martin Schmelzer, Martin
Bierzychudek, Marcos E.
Götz, Martin
Schmelzer, Martin
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Ponencia en congreso
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Abstract
"In measurements with cryogenic current comparators (CCCs), robustness against mechanical distortions is an issue. Sources of distortions are part of the experimental environment, efficient suppression is difficult. In a test setup, we intentionally applied mechanical vibrations to a CCC probe. In the 10 Hz to 3 kHz range, the frequency response of the SQUID detector's output signal was recorded for an integrative and an H ∞ -controller. When applying vibrations at fixed frequency, the stability of the SQUID's locking depended on the chosen controller, but systematic influence on the result of a 12.9 kΩ vs. 100 Ω resistance comparison was not found."
SISTEMAS DE CONTROL
CRIOGENIA
CONTROL ROBUSTO
SISTEMAS DE CONTROL
CRIOGENIA
CONTROL ROBUSTO
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Date
2016-07
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Ponencia_Bierzychudek
Adobe PDF, 355.28 KB