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Multi-frequency vibration controller using fluid-filled cantilever beam for vibration excitation amp; absorbtion
Multi-frequency vibration controller using fluid-filled cantilever beam for vibration excitation amp; absorbtion
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机译：使用充液悬臂梁进行激振和吸收的多频振动控制器
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摘要
A variable frequency vibration controller includes a cantilever beam supported from the vibration prone structure whose vibrations are to be controlled. The cantilever beam has selectively shaped hollow interior portions into which fluid can be selectively injected or withdrawn to vary the total mass of the cantilever beam. The cantilever beam natural frequency is thus tuned to match or selectively mismatch the frequency at which the vibration prone structure is vibrating. Thereby, the beam is used to optimally absorb or excite the vibrations of the structure.
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