考虑避碰约束的编队卫星入网路径规划  

A New and Better Trajectory Planning Method for Satellite Formation with Collision Avoidance Considered

作　　者：黄河[1] 周军[1] 刘莹莹[1] 

机构地区：[1]西北工业大学精确制导与控制研究所,陕西西安710072

出　　处：《西北工业大学学报》2012年第2期212-216,共5页Journal of Northwestern Polytechnical University

基　　金：航天科技创新基金(CSAC200902)资助

摘　　要：提出了一种新的考虑避碰约束的编队卫星入网路径规划策略。首先通过常规编队卫星入网的多脉冲线性规划方法,得到一组卫星入网的脉冲序列,以此预测轨道机动过程中各星之间的最小距离,当最小距离小于安全距离时,将最小距离前后脉冲施加时刻的相对位置作为约束条件,重新规划卫星入网轨迹,迭代进行直到满足避碰要求。仿真结果表明,该方法由于减少了路径规划过程中约束条件的个数,能够快速地规划出考虑避碰约束时的编队卫星入网轨迹,且有效节省燃料消耗。A new trajectory planning method for satellite formation is proposed with collision avoidance considered.Sections 1 and 2 of the full paper explain our new method,which we believe is better than existing ones and whose core consists of： ＂First,based on the multi-impulse linear programming method,the maneuver sequences are obtained for the satellite formation,with the shortest distance between satellites predicted during orbit maneuvers.If the shortest distance is smaller than the safe distance,a new trajectory planning is reprogrammed.The process is iterated untill the trajectory planning satisfies the collision avoidance constraints.＂ Simulation results,presented in Figs.2 through 4,and their analysis manifest preliminarily that the computational complexity of this method is small and the trajectory planning of the satellite formation can be programmed rapidly;besides,our analysis shows that the fuel cost of the orbit maneuver is lower.

关 键 词：卫星编队 入网 避碰 线性规划 

分 类 号：V44[航空宇航科学与技术—飞行器设计]