Abstract
In order to suppress vibration in flexible manipulators, a model of magneto-rheological vibration absorber based on internal resonance phenomenon between the flexible manipulator and vibration absorber is built. And the structure of magnetic circuit is designed, which is used to provide the applied magnetic field for the magneto-rheological elastomer. The total magnetic flux density in air gap of magnetic circuit is theoretically analyzed and verified via the real measured data. It is proved by frequency shift experiment on the beam structure platform that, the magneto-rheological elastomer has the adaptive ability of shifting its natural frequency as the applied electric current changes. Therefore, the magneto-rheological vibration absorber has a wider vibration absorption frequency.
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