微重力主动隔振系统电磁作动器设计与仿真  

Design and simulation of the electromagnetic actuator for the active vibration isolation system under microgravity

作　　者：陈作明[1] 陈昌皓[1] 

机构地区：[1]武汉理工大学机电工程学院,湖北武汉430070

出　　处：《现代机械》2016年第5期38-41,共4页Modern Machinery

摘　　要：为满足空间科学实验载荷对微重力环境的要求,需应用隔振系统对实验载荷进行振动抑制。由于被动隔振仅在特定频率范围有效,低频振动抑制必须采用主动隔振手段。在主动隔振的若干种作动器中,电磁作动器以电气传动、非接触、响应速度快和允许偏移大等特点适用于微重力主动隔振系统。本文设计了一种基于洛伦兹力原理的电磁作动器,并利用有限元软件ANSYS Workbench对作动器特性进行仿真,了解作用力与电流和位移的关系。To meet the microgravity environment requirement of spatial scientific experiments,vibration isolation systems are needed to reduce the vibration of the experimental load. Since passive isolation systems are only useful within certain frequency range,active isolation systems are required to provide vibration suppression at low frequencies. Electromagnetic actuator is suitable for the active vibration isolation system under microgravity because of its advantages of electric driving,non-contact,quick response and large allowable displacement. In this article,we designed an electromagnetic actuator based on Lorentz force principle,and carried out simulation with ANSYS Workbench to analyze the relationship between the acting force,the electric current and the displacement.

关 键 词：微重力 主动隔振 洛伦兹力 作动器 仿真 

分 类 号：TH703[机械工程—仪器科学与技术] TB535[机械工程—精密仪器及机械]