%0 Journal Article %T 考虑气动效应不确定性的气动辅助变轨制导算法 %T Aeroassisted orbital transfer robust guidance method considering atmosphere effect uncertainty %A 张学钢,朱振才,陈宏宇 %A ZHANG,Xue gang %A ZHU,Zhen cai %A CHEN,Hong yu %J 控制与决策 %J Control and Decision %@ 1001-0920 %V 35 %N 11 %D 2020 %P 2773-2779 %K 气动辅助变轨;气动效应不确定性;鲁棒制导;高斯伪谱法 %K aeroassisted orbital transfer;atmosphere effect uncertainty;robust guidance method;Gauss pseudospectral method %X 气动辅助变轨技术在节省推进、延长航天器寿命等方面具有可观的应用价值,但工程实践却严重受制于气动效应不确定性,因此,设计了针对气动效应不确定性的SMC-$H_2/H_\infty$鲁棒制导算法.算法基于高斯伪谱法获取的标称轨迹和控制序列,通过构建气动效应的不确定性模型,利用奇异摄动理论将气动辅助变轨飞行器动力学划分为位置和速度回路,设计滑模和鲁棒$H_2/H_\infty$控制器分别实现制导控制.进一步,通过MatLab/xPC和飞行器机载计算模块组成的实时仿真系统验证,所设计鲁棒制导算法在计算复杂度满足工程约束前提下,能够在存在气动效应不确定性的场景下实现标称轨迹的跟踪,表明所设计的鲁棒制导算法能够有效地增强系统的鲁棒性,具有重要的工程应用价值. %X Aeroassisted orbital transfer has remarkable potential in reducing propellant requirement and prolonging spacecraft lifetime. However, it is heavily influenced by the atmosphere effect uncertainty in engineering. Hence atmosphere effect uncertainty model is established and a robust $H_2/H_{\infty %R 10.13195/j.kzyjc.2019.0333 %U http://kzyjc.alljournals.cn/kzyjc/home %1 JIS Version 3.0.0