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- Title
Measuring the magnetic axis alignment during solenoids working.
- Authors
Arpaia, Pasquale; Celano, Biase; De Vito, Luca; Esposito, Antonio; Parrella, Alessandro; Vannozzi, Alessandro
- Abstract
A method for monitoring the misalignment of the magnetic axis in solenoids is proposed. This method requires only a few measurements of the magnetic field at fixed positions inside the magnet aperture, and thus overcomes the main drawback of sturdy moving mechanics of other Hall sensor-based methods. Conversely to state-of-the-art axis determination, the proposed method can be applied also during magnet operations, when the axis region and almost the whole remaining magnet aperture are not accessible. Moreover, only a few measurements of the magnetic field at fixed positions inside the magnet aperture are required: thus a slow process such as the mapping of the whole aperture of a magnet by means of moving stages is not necessary. The mathematical formulation of the method is explained, and a case study on a model of a multi-layer solenoid is presented. For this case study, the uncertainty is assessed and the optimal placement of the Hall transducers is derived.
- Publication
Scientific Reports, 2018, Vol 8, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-018-29667-1