Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics

A method is proposed for calibrating the radius of a rotating coil sensor by relaxing the metrological constraints on alignment and field errors of the reference quadrupole. A coil radius calibration considering a roll-angle misalignment of the measurement bench, the magnet, and the motor-drive unit...

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Detalles Bibliográficos
Autores principales: Arpaia, Pasquale, Buzio, Marco, Köster, Oliver, Russenschuck, Stephan, Severino, Giordana
Formato: info:eu-repo/semantics/article
Lenguaje:eng
Publicado: Measurement 2016
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1016/j.measurement.2016.02.061
http://cds.cern.ch/record/2148402
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author Arpaia, Pasquale
Buzio, Marco
Köster, Oliver
Russenschuck, Stephan
Severino, Giordana
author_facet Arpaia, Pasquale
Buzio, Marco
Köster, Oliver
Russenschuck, Stephan
Severino, Giordana
author_sort Arpaia, Pasquale
collection CERN
description A method is proposed for calibrating the radius of a rotating coil sensor by relaxing the metrological constraints on alignment and field errors of the reference quadrupole. A coil radius calibration considering a roll-angle misalignment of the measurement bench, the magnet, and the motor-drive unit is analyzed. Then, the error arising from higher-order harmonic field imperfections in the reference quadrupole is assessed. The method is validated by numerical field computation for both the higher-order harmonic errors and the roll-angle misalignment. Finally, an experimental proof-of-principle demonstration is car-ried out in a calibration magnet with sextupole harmonic.
format info:eu-repo/semantics/article
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publisher Measurement
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spelling cern-21484022019-09-30T06:29:59Z doi:10.1016/j.measurement.2016.02.061 http://cds.cern.ch/record/2148402 eng Arpaia, Pasquale Buzio, Marco Köster, Oliver Russenschuck, Stephan Severino, Giordana Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics Accelerators and Storage Rings A method is proposed for calibrating the radius of a rotating coil sensor by relaxing the metrological constraints on alignment and field errors of the reference quadrupole. A coil radius calibration considering a roll-angle misalignment of the measurement bench, the magnet, and the motor-drive unit is analyzed. Then, the error arising from higher-order harmonic field imperfections in the reference quadrupole is assessed. The method is validated by numerical field computation for both the higher-order harmonic errors and the roll-angle misalignment. Finally, an experimental proof-of-principle demonstration is car-ried out in a calibration magnet with sextupole harmonic. info:eu-repo/grantAgreement/EC/FP7/606839 info:eu-repo/semantics/openAccess Education Level info:eu-repo/semantics/article http://cds.cern.ch/record/2148402 Measurement Measurement, (2016) pp. 74-82 2016
spellingShingle Accelerators and Storage Rings
Arpaia, Pasquale
Buzio, Marco
Köster, Oliver
Russenschuck, Stephan
Severino, Giordana
Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics
title Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics
title_full Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics
title_fullStr Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics
title_full_unstemmed Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics
title_short Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics
title_sort rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics
topic Accelerators and Storage Rings
url https://dx.doi.org/10.1016/j.measurement.2016.02.061
http://cds.cern.ch/record/2148402
http://cds.cern.ch/record/2148402
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