Adaptive vibration control on six degree-of-freedom magnetostrictive smart structure

被引：3

作者：

Li, Chao ^{[1
]}

Mao, Jianqin ^{[1
]}

机构：

[1] Beijing Univ Aeronaut & Astronaut, Seventh Res Div, Beijing 100083, Peoples R China

来源：

2006 BIMW: 2006 BEIJING INTERNATIONAL MATERIALS WEEK, PTS 1-4: MAGNESIUM | 2007年 / 546-549卷

关键词：

magnetostrictive material; TbDyFe; active vibration control; Stewart platform; x-LMS algorithm;

D O I：

10.4028/www.scientific.net/MSF.546-549.2199

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Multiple degree-of-freedom (DOF) vibration isolation is essential for precision control of space-borne structures and weapon systems. A new design and analysis of actuators employing magnetostrictive material TbDyFe is presented. Then, this paper studies the design and control problems of a six DOF Stewart platform using the concept of cubic configuration. Optimal geometry for the sensor configuration to get best signal is designed. To control the smart structure, a real time computer control system is built. Improved robust adaptive filtering algorithm based on nonlinear constitutive relation proposed in this paper and used in the computer control system. More than 20 dB of vibration attenuation is achieved in real-time experiments.

引用

页码：2199 / +

页数：2

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