Magnet-Sorting Algorithm for an Elliptically Polarized Undulator at TPS
An effective initial sorting of permanent magnets can decrease the adverse effects of magnetic inhomogeneities and the imperfect geometry of blocks on the performance of an undulator. A sorting algorithm, based on simulated annealing, for the TPS EPU is implemented. The algorithm takes into account...
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Published in | IEEE transactions on applied superconductivity Vol. 24; no. 3; pp. 1 - 5 |
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Main Authors | , , , , , , , |
Format | Journal Article Conference Proceeding |
Language | English |
Published |
New York, NY
IEEE
01.06.2014
Institute of Electrical and Electronics Engineers |
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Abstract | An effective initial sorting of permanent magnets can decrease the adverse effects of magnetic inhomogeneities and the imperfect geometry of blocks on the performance of an undulator. A sorting algorithm, based on simulated annealing, for the TPS EPU is implemented. The algorithm takes into account the magnetization of the blocks and the interactions between magnets. The field quality, including multipole, phase error, and particle trajectory, was optimized to within the specified tolerance. In this paper, we describe the sorting procedure and demonstrate the optimization results. |
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AbstractList | An effective initial sorting of permanent magnets can decrease the adverse effects of magnetic inhomogeneities and the imperfect geometry of blocks on the performance of an undulator. A sorting algorithm, based on simulated annealing, for the TPS EPU is implemented. The algorithm takes into account the magnetization of the blocks and the interactions between magnets. The field quality, including multipole, phase error, and particle trajectory, was optimized to within the specified tolerance. In this paper, we describe the sorting procedure and demonstrate the optimization results. |
Author | Chen, Sei-Da Chang, Cheng-Hsiang Lin, Fu-Yuan Jan, Jyh-Chyuan Chung, Ting-Yi Chang, Cheng-Hsing Hwang, Ching-Shiang Huang, Jui-Che |
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Keywords | Performance evaluation Magnetization undulator Elliptic polarization Ferromagnetic materials magnet sorting Permanent magnets Implementation Optimization Multipole field Algorithms Calcium nitride non unit effect Simulated annealing Multipoles Inhomogeneity Phase error |
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References | ref13 chung (ref3) 2013 ref14 li (ref5) 2007 ref10 ref2 scott (ref4) 2004 ref1 (ref9) 0 kirkpartric (ref12) 1983; 220 ref8 ref7 marti (ref11) 2006 ref6 |
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SubjectTerms | Amorphous magnetic materials Condensed matter: electronic structure, electrical, magnetic, and optical properties Cost function Domain effects, magnetization curves, and hysteresis Exact sciences and technology Inhomogeneity magnet sorting Magnetic properties and materials Magnetization Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects non unit effect Permanent magnets Physics Sorting Studies of specific magnetic materials Superconducting magnets undulator Undulators |
Title | Magnet-Sorting Algorithm for an Elliptically Polarized Undulator at TPS |
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