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针对航天器在轨运行时所受到的空间环境干扰力矩进行建模分析,并通过实时解算和矢量叠加的方式进行仿真研究,尤其对太阳光压力矩与大气阻力力矩的建模与仿真提出了新的方法,该方法通过建立光照面与迎风面的判断准则,准确地对太阳光压力矩与大气阻力力矩进行了估计。对各种空间环境干扰力矩的精确建模与仿真为航天器精确姿态控制设计及系统姿态控制方案和控制执行机构的选取提供了依据,文中提出的方法简单易用,工程实现性强,为未来的工程应用提供了一定的理论依据。
Aiming at the space environment disturbance moment which the spacecraft encounters in orbit, this paper analyzes and simulates the real-time solution and vector superposition method, especially the modeling and simulation of solar light moment and atmospheric resistance moment This method estimates the solar pressure moment and the atmospheric resistance moment by establishing the criteria of light surface and windward surface. Precise modeling and simulation of various space environmental disturbance torques provide the basis for spacecraft precise attitude control design, system attitude control scheme and control actuator selection. The method proposed in this paper is simple and easy to use and has strong engineering realization for the future The engineering application provides a certain theoretical basis.