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Dual magnetic theory and experimental study of vibration


The amount of magnetic vibration response of the end under the plate to add dual-mass absorber thereafter at 4.96g. Can see that in the case of small mass ratio, magnetic vibration can significantly reduce the system response under narrow band random loading, dual magnetic and vibration damping effect of significantly better quality in a single magnetic vibration. 3 Conclusion The quality of the single-magnetic vibration, based on the proposed dual magnetic vibration of the structure design, the use of its damping characteristics of the harmonic balance method was theoretically discussed, and a preliminary optimal design. Finally, experimental verification,[link widoczny dla zalogowanych], found that dual magnetic damping vibration plate for a small system, harmonic and random loads, the damping effect is better than a single quality magnetic vibration. References 1IzumoYamakawa, SadahikoTakeda,[link widoczny dla zalogowanych], HiroyukiKojima. Behaviorofanewtypedynamicvibrationabsorbercon-sistingofthreepermanentmagnets. BulletinoftheJE, 1977; 20 (146) :947-9542TakeshiMizuno, MitsuhiroMoriya, KeniiAraki. De-signofactivedynamicviLrationabsorberssysiemswithmultipleabsorptionfrequencies. TransactionsoftheJapanSocietyofMechanicalEngineers, PartC,[link widoczny dla zalogowanych], 1994; 60 (577): 12O a 1253HiroyukiKoiima, KosukeNagaya. Astudyonthetor. sionaldynamicvibrationabsorberconsistingofrear - earthmagnets. BulletinoftheJE,[link widoczny dla zalogowanych], 1983; 26 (214) :611-6184 Kids in Xiaojun. A damper under random load and magnetic vibration theory and experimental study: [Dissertation], Beijing: Beijing University of Aeronautics and Astronautics, 2000TheoreticalandExperimentalStudyonDualMagneticVibrationAbsorberYanXiaojunNieJingxu (SchoolofJetPropulsion, Bei) ingUniversityofAeronauticsandAstronauticsBeiiing, 100083) AbstractInordertOimprovetheperformanceofthesinglemagneticvibrationabsorber, anapplicationofadualmagneticvi-brationabsorbermadeofrare-earthmagnets (NdFeB) isproposedinthisstudy. Testresultsshowthatforsmalldampingsystems, adualmagneticvibrationabsorberwithasmallmassratiohasgoodperformancenotonlyonharmonicexcitationutalsorandomoneswithnarrowfrequencyband. Keywords: vibrationattenuation; dynamicvibrationabsorber; damping; magneticvibrationabsorber male first author Xiaojun Yan, Ph.D.,[link widoczny dla zalogowanych], associate professor of Health in February 1973. Phone: (01O) 82316356; E-mail: yanxjbuaa @ 263. net ∞ ∞ ∞ ∞ plus O plus ∞ ∞ ∞ ∞ l l one thousand one hundred eleven most OOOOOOOOOOO642 sing m3 / King OOOOOOOOOOO642 sing jl / King

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