Intrinsic Localized Mode Using Nonlinear Magnetic Springs

Lee, SangGook; Hirata, Katsuhiro; Doi, Yusuke; Niguchi, Noboru; Kato, Masakazu

doi:10.1109/isef45929.2019.9097039

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Cited by 3 publications

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“…In the linear spring system shown in Fig. 1, if the distance between the masses is set to a, the initial position is calculated as follows from (6).…”

Section: Condition 1 (Discreteness)mentioning

confidence: 99%

See 1 more Smart Citation

Intrinsic Localized Mode in a Multiple Mass Dynamic Vibration Systems Using Nonlinear Magnetic Springs

Lee

Hirata

Kato

2021

IEEJ Transactions Elec Engng

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Intrinsic localized mode (ILM) can be generated in multiple mass-spring systems using nonlinear springs, and ILM has attracted a lot of attention due to its special vibration modes that are not found in linear systems. However, the difficulty of creating nonlinearity remains a barrier to ILM research. In this paper, we propose a rotating magnetic spring based on magnetic nonlinearity. The nonlinear restoring properties of the proposed magnetic spring are confirmed by finite element method (FEA). Finally, using the restoring properties obtained from FEA, it is shown that ILM can be excited by MATLAB numerical analysis.

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“…In the linear spring system shown in Fig. 1, if the distance between the masses is set to a, the initial position is calculated as follows from (6).…”

Section: Condition 1 (Discreteness)mentioning

confidence: 99%

“…2. For this reason, we have focused on magnetic springs using magnetic nonlinearity [6]. Since the characteristic of magnetic springs depend on its structure, it is easy to create an origin symmetric nonlinearity, and the tendency is consistent even with the production error.…”

Section: Introductionmentioning

confidence: 99%