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Article ID: 1003-6326(2005)02-0344-05 Model of magnetostrictive actuator LI Lin(李 琳), ZHANG Yuan-yuan(张媛媛) (School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China) Abstract: The hysteresis of the magnetostrictive actuator was studied. A mathematical model of the hysteresis loop was obtained on the basis of experiment. This model depends......
J. Cent. South Univ. (2018) 25: 1799-1812 DOI: https://doi.org/10.1007/s11771-018-3870-0 Structure design and characteristics analysis of a cylindrical giant magnetostrictive actuator for ball... automatic adjustment of the double-nut ball screw preload, a magnetostrictive ball screw preload system is proposed. A new cylindrical giant magnetostrictive actuator (CGMA), which is the core component......
Investigation on the magnetomechanical behavior of trilayered GM actuator Heung-Shik Lee1,Chongdu Cho1 (1.Department of Mechanical Engineering, Inha University, Yonghyun-dong, Nam-ku Incheon 402-751, South Korea) Abstract:In this article, it was suggested a TbFe/Co/Dy trilayered GM (Giant Magnetostrictive) film type actuator and investigated the magnetomechanical characteristics......
trilayered GM (Giant Magnetostrictive) film type actuator and investigated the mag- netomechanical characteristics of the actuator for micro application. The trilayered films were fabricated at different... film thicknesses were measured by X-ray diffraction (XRD). As a result, the magnetization of the film on the fabricated actuator was observed to characterize the magnetic properties of the TbFe/Co/Dy......
Giant magnetostrictive thin film and its application Abstract: Giant magnetostrictive thin films present a new and interesting way to realize new actuator and sensor... and application of magnetostrictive thin films were introduced. Keyword: giant magnetostrictive; thin film; material; Received: 2000-06-28 在微机电, 微......
Influence of arrangement field on magnetostrictive and mechanical properties of magnetostrictive composites DONG Xu-feng(董旭峰)1, GUAN Xin-chun(关新春)2, QI Min(齐 民)1, OU Jin-ping(欧进萍)2... field. Such critical values are defined as the optimal arrangement field to manufacture magnetostrictive composites. Key words: magnetostrictive composites; Terfenol-D; arrangement field......
Magnetic and magnetostrictive properties of amorphous TbFe/FeAl multilayer thin film QIAN Shiqiang1,ZHOU Xiying1,MI Yiming1,WANG Wei1 (1.School of Materials Engineering, Shanghai University... for applications. The TbFe/FeAl multilayer thin films were prepared by dc magnetron sputtering onto glass substrates. The microstructure, magnetic, and magnetostrictive properties of TbFe/FeAl multilayer thin film......
ARTICLE J. Cent. South Univ. (2019) 26: 1637-1648 DOI: https://doi.org/10.1007/s11771-019-4118-3 Nonlinear cascade control of single-rod pneumatic actuator based on an extended disturbance observer... control of the single-rod pneumatic actuator is considered and a nonlinear cascade controller is developed. The proposed controller comprises an extended disturbance observer (EDOB) and a nonlinear......
magnetostrictive actuator and finite element model[J]. Optics and Precision Engineering, 2000, 8(2): 161-164. [11] WESTON R S, CEDELL T. Finite elements solution to magnetostriction I: Harmonic...层膜小. 关键词:Sm-Fe薄膜；离子束溅射；有限元；磁致伸缩 中图分类号:TM 27; TB 43 文献标识码: A Finite element modeling of magnetostrictive behavior for Sm-Fe system film cantilever ZHOU......
基于磁化机理的超磁致伸缩执行器磁滞模型 李国平1,韩同鹏1 (1.宁波大学,工学院) 摘要:通过分析超磁致伸缩材料磁畴在外加磁场作用下的运动规律,建立了超磁致伸缩执行器基于磁化机理的磁滞模型.该模型结合执行器的工作条件,充分考虑了材料的非线性和滞回特性.模型包括磁致伸缩和磁化两个子模型,磁致伸缩模型描述了材料应变λ跟磁化强度M之间的关系;磁化模型描述了有效磁场H_(eff),无磁滞磁化M_(an),可逆磁化M_(rev),不可逆磁化M_(irr),总磁化强度M之间的关系.通过对实验测试结果进行分析,验证了模型能准确描述输入电流I与输出应变λ之间的关系. 关键词:超磁致伸缩执行器; 磁滞模型; 磁机耦合; giant magnetostrictive actuator; hysteresis model; magneto-mechanical coupling; [全文内容正在......
