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Giant magnetostrictive actuators for active vibration control

机译:巨型磁致伸缩执行器,用于主动振动控制

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摘要

Giant magnetostrictive actuators are designed and fabricated with home-made TbDyFe magnetostrictive rods. The corresponding static and dynamic characteristics are tested. The total output displacement can be obtained up to 100 mu in and the output force up to 1500 N. The dynamic responses of input and output are accordant and have a small hysteresis. Experiments on active vibration control are implemented in single-degree-of-freedom (DOF) and six-DOF platforms in a flexible space structure. The excellent damping effect, up to 30 dB, proves the good performance of the actuators, the feasibility of the control algorithms, and the reasonable design of the six-DOF platform.
机译:巨型磁致伸缩执行器是用自制的TbDyFe磁致伸缩棒设计和制造的。测试了相应的静态和动态特性。可以获得最大100英寸的总输出位移,最大1500 N的输出力。输入和输出的动态响应一致,并且具有较小的磁滞。主动振动控制的实验在灵活的空间结构中的单自由度(DOF)和六自由度平台中进行。高达30 dB的出色阻尼效果证明了执行器的良好性能,控制算法的可行性以及六自由度平台的合理设计。

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