The magnetic circuit dynamics of a magnetorheological valve with a permanent magnet

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dc.contributor.authorKubík, Michalcs
dc.contributor.authorJeniš, Filipcs
dc.coverage.issue1cs
dc.coverage.volume322cs
dc.date.accessioned2021-03-03T15:54:07Z
dc.date.available2021-03-03T15:54:07Z
dc.date.issued2020-10-14cs
dc.description.abstractThe magnetorheological (MR) damper uses magnetorheological fluid which, when subjected to magnetic stimuli, generates an increase of damping forces. A significant problem of these dampers is their poor failsafe ability due to power supply interruption. In the case of faults, the damper remains in a low damping state, which is dangerous. This problem can be solved by accommodating a permanent magnet in the magnetic circuit of the damper. However, the magnetic circuit dynamic of this type of damper has rarely been studied. The main aim of this paper is to introduce the magnetic circuit dynamics of the magnetorheological damper/control valve with a permanent magnet. Firstly, the design of the magnetorheological valve with NdFe42 permanent magnet in the magnetic circuit is introduced. The response time of the magnetic field on the unit step of the control signal was calculated by transient magnetic simulation in Ansys Electronics software. The response time of the magnetic field was simulated in the range of 1.2 to 5 ms depending on the electric current magnitude and orientation. The presented MR damper was manufactured and tested. The experiments prove that the permanent magnet significantly affects the dynamics of the magnetic circuit.en
dc.formattextcs
dc.format.extent1-8cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMATEC Web of Conferences. 2020, vol. 322, issue 1, p. 1-8.en
dc.identifier.doi10.1051/matecconf/202032201049cs
dc.identifier.isbn978-2-7598-9108-5cs
dc.identifier.issn2261-236Xcs
dc.identifier.other165599cs
dc.identifier.urihttp://hdl.handle.net/11012/196392
dc.language.isoencs
dc.publisherEDP Sciencescs
dc.relation.ispartofMATEC Web of Conferencescs
dc.relation.urihttps://www.matec-conferences.org/articles/matecconf/abs/2020/18/matecconf_matbud2020_01049/matecconf_matbud2020_01049.htmlcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2261-236X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectmagnetorheological damperen
dc.subjectpermanent magneten
dc.titleThe magnetic circuit dynamics of a magnetorheological valve with a permanent magneten
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-165599en
sync.item.dbtypeVAVen
sync.item.insts2021.04.24 08:54:03en
sync.item.modts2021.04.24 08:14:25en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav konstruovánícs
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