A Novel Double-Piston Magnetorheological Damper for Space Truss Structures Vibration Suppression

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dc.contributor.authorWang, Qiangen
dc.contributor.authorAhmadian, Mehdien
dc.contributor.authorChen, Zhaoboen
dc.contributor.departmentCenter for Vehicle Systems and Safety (CVeSS)en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2017-09-18T09:43:06Zen
dc.date.available2017-09-18T09:43:06Zen
dc.date.issued2014-07-22en
dc.date.updated2017-09-18T09:43:06Zen
dc.description.abstractThe design, fabrication, and testing of a new double-piston MR damper for space applications are discussed. The design concept for the damper is described in detail. The electromagnetic analysis of the design and the fabrication of the MR damper are also presented. The design analysis shows that the damper meets the weight and size requirements for being included in a space truss structure. The prototype design is tested in a damper dynamometer. The test results show that the damper can provide nearly 80 N of damping force at its maximum velocity and current. The test results also show that the seal drag could contribute significantly to the damping forces. Additionally, the test results indicate that both the work by the damper and damping force increase rapidly with increasing current at lower currents and taper off at higher currents as the damper starts to saturate. The damper force versus velocity plots show hysteresis in both pre- and postyield regions and asymmetric forces in jounce and rebound. A model is proposed for representing the force-displacement, force-velocity, and asymmetric forces observed in test results. A comparison of the modeling results and test data indicates that the model accurately represents the force characteristics of the damper.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationQiang Wang, Mehdi Ahmadian, and Zhaobo Chen, “A Novel Double-Piston Magnetorheological Damper for Space Truss Structures Vibration Suppression,” Shock and Vibration, vol. 2014, Article ID 864765, 11 pages, 2014. doi:10.1155/2014/864765en
dc.identifier.doihttps://doi.org/10.1155/2014/864765en
dc.identifier.urihttp://hdl.handle.net/10919/78965en
dc.language.isoenen
dc.publisherHindawien
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.holderCopyright © 2014 Qiang Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleA Novel Double-Piston Magnetorheological Damper for Space Truss Structures Vibration Suppressionen
dc.title.serialShock and Vibrationen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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