提出了一种基于磁力发生器的控制力矩陀螺(Control Moment Gyro-scope,CMG)动载荷主动补偿方法来改善轴系工况.首先介绍磁力发生器的结构与工作原理,给出磁力发生器的设计参数;然后对CMG系统进行动力学建模;接下来通过等效磁路法与有限元法对装置的输出特性进行计算,通过实验测试磁力发生器的静态和动态输出特性,与计算结果进行对比,并对模型参数进行拟合;最后通过仿真研究磁力发生器的动载荷主动补偿效果.
Abstract
A dynamic load active compensation method is proposed,which is based on electromagnetic force generator to improve the operating conditions of the shaft system.Firstly,the structure and working princi-ple of the electromagnetic force generator is introduced,and its design parameters are provided.Then,the dynamic model of CMG system is conducted.Secondly,the output characteristics of the electromagnetic force generator are calculated by using the equivalent magnetic circuit method and finite element method.The static and dynamic output characteristics of the electromagnetic force generator are tested through experi-ments that are compared with the calculation results,and the model parameters of the device are fitted.Fi-nally,the dynamic load active compensation effect of the electromagnetic force generator is researched through simulation.
关键词
控制力矩陀螺/磁力发生器/有限元仿真/磁力卸载
Key words
Control moment gyroscope/Electromagnetic force generator/Finite element simulation/Mag-netic unloading
维普
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