主动隔振系统中驱动器的有限元分析

用于空间科学实验的主动振动隔离系统采用洛伦兹力驱动的方法,将被隔振的平台悬浮于空中.对电磁驱动部分的动力学分析是各种设计和实验的基础.提出了一种驱动器的结构,并对驱动器的永磁部分进行了有限元分析,包括模型的建立、静力学分析、模态分析、瞬态分析、谐响应分析和谱分析,由此验证其力学性能可以满足设计要求.为优化结构设计,减小驱动器尺寸,降低设计开发成本,缩短设计开发周期,提高产品质量奠定了基础.

Finite Element Analysis of Actuator for Active Vibration Isolation System

Active vibration isolation system applied to microgravity vibration isolation has utilized Lorentz force electromagnetic actuator to realize the levitation of isolated platform in the space.The Dynamic Analysis of the Electromagnetic Actuator(DAEA) is the basis of design and experiments. In this study,a structure of the actuator was presented,the finite element analysis of the permanent magnet part was implemented and the mechanical feature was validated.With the establishment of electromagnetic actuator mo...