Speaker
Laurent Nadolski
(Synchrotron soleil)
Description
In the SOLEIL II project, the sextupoles are equipped with additional windings to provide normal and skew dipole corrections. Accurate modeling and trimming of these combined-function sextupole magnets are particularly challenging due to magnetic saturation, hysteresis, and internal cross-talk between their channels. Based on 3D magnetic simulations, polynomial models, interpolation models, and neural network models were developed to reproduce the saturation and cross-talk effects. These nonlinear models were validated on the first prototype magnet, providing preliminary confirmation of both their reliability and the feasibility of implementing sextupole-corrector magnets in the SOLEIL II storage ring.
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Author
Zhandong Zhang
(Synchrotron soleil)
Co-authors
Alexandre Loulergue
(Synchrotron soleil)
Fabrice Marteau
(Synchrotron soleil)
Laurent Nadolski
(Synchrotron soleil)
Thibaut Mutin
(Synchrotron soleil)
Victor Pinty
(Synchrotron soleil)