338 磁気による片持梁の振動制御 : 構造健全性監視の実現に当っての一考察

概要

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The researches on vibration suppression in structural health monitoring are doing many places for the purpose of preventing fracture of structures by cyclic loading and structural resonance. In intelligent structural study, the researches are done by using optical fiber and other sensors for detecting large amplitude and at the same time, PZT and other actuators for suppressing the vibration with connecting logical circuit. Many researches of this category are done on cantilever beams as the simplest model of a helicopter blade. When we are trying to materialize the concept of intelligent structures and/or structural health monitoring (SHM) in Japan, the targets are not helicopters and other weapos, but consumers goods and these intellectualized ones are expected to be cost-effective. So, sometimes we can not make large, complex intelligent/SHM system. Then, as an example, a magnetic damper was adopted here. It has simple shape and composition, and cheap. The details will be explained in the presentation.
一般社団法人日本機械学会の論文
2000-07-31