A topology optimized switchable permanent magnet system

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

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The design of a magnetic field source that can switch from a high field to a low field configuration by rotation by 90°90° of a set of iron pieces is investigated using topology optimization. A Halbach cylinder is considered as the magnetic field source and iron inserts are placed in the air gap of the Halbach cylinder. The ideal shape of these iron inserts is determined as function of the field generated by the Halbach cylinder and as function of the size of the iron segments. The topology optimized structures are parabolic shaped pieces and have a difference in flux density between the high and low positions that is on average 1.29 times higher than optimized regular pole pieces. The maximum increase is a factor of 2.08 times higher than the regular pole pieces.
Original languageEnglish
JournalJournal of Magnetism and Magnetic Materials
Volume465
Pages (from-to)106-113
ISSN0304-8853
DOIs
Publication statusPublished - 2018
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Topology optimization, Halbach cylinder, Magnetic field, Permanent magnet flux sources, Switchable field source

ID: 148892474