On the Effect of a Variable Stiffness-type Dynamic Absorber with Eddy-current Damping

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概要

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• The paper presents an new dynamic absorber which consists of a variable stiffness-type spring, a mass, and a magnetic damper using the damping effect of eddy-currents. It has advantages that the absorber is able to use for improving the damping property of a main vibration system where changes of the natural frequency take place, and it is stable in damping characteristics under varying environment. To examine its practical applications, the damping performance of the absorber is studied in both experimental and theoretical aspects with a specific view to improving the dynamic stiffness of the ram structure. Further, the relation between viscous damping coefficient and intermediate factors of the magnetic damper is deduced in order to realize the best damping optionally.

• 一般社団法人日本機械学会の論文

著者

• Seto Kazuto

  Associate Professor Dept. Mechanical Engineering National Defense Academy

• YAMANOUCH Mitsuo

  Technical Official

関連論文

• On the Effect of a Variable Stiffness-type Dynamic Absorber with Eddy-current Damping

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