| 超磁致伸缩作动器用于振动主动控制中的仿真研究 |
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| 引用本文： | 张天飞,汪鸿振,孙曜.超磁致伸缩作动器用于振动主动控制中的仿真研究[J].振动与冲击,2006,25(1):61-63,66. |
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| 作者姓名： | 张天飞 汪鸿振 孙曜 |
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| 作者单位： | 上海交通大学振动、冲击、噪声国家重点实验室,上海,200240 |
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| 摘 要： | 目前对于太阳和地球引力变化引起的微振动，采用先进的主动控制能达到高精度的隔振要求。主要是推导并建立了超磁致伸缩作动器（GMA：Giant Magnetostriction Actuator）的动力学方程和数学模型，并将其运用到振动主动控制中，采用PID（Proportional-Integral-Differential）反馈控制方法，对双层隔振下层受到激扰的系统进行仿真计算，仿真结果表明它能对微幅低频振动衰减20-50dB，能起到明显的减振效果。
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| 关 键 词： | 超磁致伸缩 振动主动控制 |
| 收稿时间： | 2004-11-12 |
| 修稿时间： | 2004-11-122005-01-12 |
SIMULATION ON ACTIVE VIBRATION CONTROL USING MAGNETOSTRICTIVE ACTUATOR |
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| Zhang Tianfei,Wang Hongzhen,Sun Yao.SIMULATION ON ACTIVE VIBRATION CONTROL USING MAGNETOSTRICTIVE ACTUATOR[J].Journal of Vibration and Shock,2006,25(1):61-63,66. |
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| Authors: | Zhang Tianfei Wang Hongzhen Sun Yao |
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| Abstract: | Adopting the active control can meet the isolation demand high accuracy for tiny vibration induced by the gravitation variation between the sun and the earth.The deduction of dynamics equation and the establishment of mathematical model of magnetostrictive actuator in active vibration control are presented.The method of PID feedback control is introduced to simulate a double-story isolation system with the lower-story motivated.The result shows it has an obvious effect on system isolation,which can attenuate the low frequency band vibration by 20~50 dB. |
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| Keywords: | giant magnetostriction active vibration control |
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