Design of a frictionless magnetorheological damper with a high dynamic force range

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dc.contributor.authorMacháček, Ondřejcs
dc.contributor.authorKubík, Michalcs
dc.contributor.authorStrecker, Zbyněkcs
dc.contributor.authorRoupec, Jakubcs
dc.contributor.authorMazůrek, Ivancs
dc.coverage.issue3cs
dc.coverage.volume11cs
dc.date.accessioned2020-08-04T11:03:03Z
dc.date.available2020-08-04T11:03:03Z
dc.date.issued2019-03-19cs
dc.description.abstractThis article discusses an increase in dynamic force range in a spring-damper unit achieved by elimination of sealings´ friction. This friction is a part of damping force that cannot be controlled; therefore, it is undesirable in magnetorheological dampers. A new design of a magnetrheological damper with no friction force is descrbed and compared with a traditional magnetorheological damper consisting of a piston and piston rod seals. In the traditional design, fluid is forced to flow by a hydraulic cylinder with high friction caused by sealings. In order to eliminate this friction, a frictionless unit made of metal bellows was designed. Elastic metal bellows can be sealed only by static seals. The measurement of force-velocity dependency was carried out for the original and the new damper with the same magnetorheological valve. The results indicate that the frictionless unit exhibits a significant improvement in the dynamic force range. In the case of adaptive-passive damping control, the increase in the dynamic force range enables the improvement of vibration elimination in the entire frequency range.en
dc.formattextcs
dc.format.extent1-8cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationAdvances in Mechanical Engineering. 2019, vol. 11, issue 3, p. 1-8.en
dc.identifier.doi10.1177/1687814019827440cs
dc.identifier.issn1687-8132cs
dc.identifier.other156410cs
dc.identifier.urihttp://hdl.handle.net/11012/180709
dc.language.isoencs
dc.publisherSAGEcs
dc.relation.ispartofAdvances in Mechanical Engineeringcs
dc.relation.urihttps://doi.org/10.1177/1687814019827440cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1687-8132/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectMagnetorheological damperen
dc.subjectfrictionlessen
dc.subjectdynamic force rangeen
dc.subjectmetal bellowsen
dc.subjecttransfer ratioen
dc.titleDesign of a frictionless magnetorheological damper with a high dynamic force rangeen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-156410en
sync.item.dbtypeVAVen
sync.item.insts2020.08.04 13:03:03en
sync.item.modts2020.08.04 12:42:16en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav konstruovánícs
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