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.
出处
《现代机械》
2016年第5期38-41,共4页
Modern Machinery
关键词
微重力
主动隔振
洛伦兹力
作动器
仿真
microgravity
active vibration isolation
Lorentz force
actuator
simulation
