基于两轴的小倾角GSO天线跟踪平台

Low-inclination GSO Antenna Tracking Platform Based on Two-axis

基于不同姿态输入的解算直接影响天线伺服控制系统的响应速度,最终影响天线系统的跟踪精度。相较于传统的静止卫星,小倾角GSO卫星具有实时变化姿态与位置的特征,对两轴的伺服稳定平台提出更高的要求。基于角速度模型稳定平台的最大特点是输出快,卫星天线的理论角的实际值需要实时修正与反解。针对两轴稳定平台进行处理与构建分析,阐述了基于MEMS陀螺的两轴稳定平台模型与控制分析。

Based on input calculation of different attitude data directly affects the response speed of the antenna servo control system,and ultimately affects the tracking accuracy of the antenna system.Compared with traditional geostationary satellite,lowinclination GSO has the characteristics of real-time change of attitude and position,which puts forward higher requirements for a two-axis servo-stabilized platform.The biggest feature of the stable platform based on the angular velocity model is that the output is fast,and the actual value of the theoretical angle of the satellite antenna needs to be corrected and inversely solved in real time.This article deals with the processing and construction analysis of the two-axis stabilized platform,and elaborates the model and control analysis of the two-axis stabilized platform based on the MEMS gyroscope.