摘要
超磁致伸缩材料是近年发展起来的新型功能材料,应用于微位移驱动器时具有精度高、推力大等优点。在采用磁感应强度作为负反馈控制量的基础上,推导了从控制量得到代表驱动器位移信号的过程,设计了相应的高精度驱动电源。通过实验,对于超磁致伸缩微位移器驱动电源静态和动态特性作了详细的分析和研究。
Giant magnetostrictive material (GMM) is a new type of function materials developed in recent years. The micro-displacement actuator based on GMM has large output power and a new level of performance in control precision. In this paper, we analyze the basic principle that magnetic induction was introduced as the control variable, and study the process which micro-displacement signal was got from magnetic induction. And precision driving power based on magnetic induction control is designed. Experiment shows that the dynamic responses of driving power are excellent.
出处
《压电与声光》
CSCD
北大核心
2005年第3期270-273,共4页
Piezoelectrics & Acoustooptics
基金
国家自然科学基金重点项目基金资助(50135030)
关键词
超磁致伸缩材料
磁感应强度控制
驱动电源
动态响应
giant magnetostrictive material
magnetic induction control
driving power
dynamic response
