论文:2014,Vol:32,Issue(5):834-839
引用本文:
黄河, 周军, 刘莹莹. 多任务卫星簇适应性轨道设计[J]. 西北工业大学
Huang He, Zhou Jun, Liu Yingying. Optimal Design for Multi-Task Satellite Cluster Adaptive Orbit[J]. Northwestern polytechnical university

多任务卫星簇适应性轨道设计
黄河, 周军, 刘莹莹
西北工业大学 精确制导与控制研究所, 陕西 西安 710072
摘要:
卫星簇是介于卫星编队和卫星星座之间的一种新的空间组网卫星构型。通过多颗卫星联合工作,组网卫星簇能够提高对指定区域的覆盖时间,扩展对地面的观测范围。针对多任务卫星簇,提出了一种满足多种载荷任务约束的适应性轨道方案。将多任务卫星簇分为侦察卫星簇和长时间连续覆盖卫星簇两部分:侦察卫星簇在实现全球快速侦察的同时,能够弥补对热点区域的连续覆盖时间;连续覆盖部分卫星簇在实现区域长时间连续覆盖的同时,可以拓展对地球的侦察区域。仿真结果表面,若载荷天线波束为60°,有效作用距离为1 200 km,那么只需要6颗卫星就可以每天对全球进行1次侦察,并且对热点区域的连续覆盖时间超过20 min。
关键词:    区域覆盖    全球侦察    轨道    多任务    优化设计    卫星簇   
Optimal Design for Multi-Task Satellite Cluster Adaptive Orbit
Huang He, Zhou Jun, Liu Yingying
Institute of Precision Guidance and Control, Northwestern Polytechnical University, Xi'an 710072, China
Abstract:
Satellite cluster is a new kind of space configuration different from satellite formation and satellite con-stellation.With multi-satellites working together,satellites can improve the covering time span for the assigned re-gion and broaden the observation area on the earth.For the multi-task satellite cluster,an adaptive orbit schemethat satisfied various payload constraints was proposed.The multi-task satellite cluster was divided into two parts:the reconnaissance cluster and the long-time covering cluster.The reconnaissance cluster can observe the earthquickly while increasing the covering time for the assigned region.The covering cluster can observe the assigned re-gion with the longest time while enlarging the covered area on the earth; this was beneficial to the global reconnais-sance.Simulation results and their analysis manifested preliminarily that,when the antenna beam was 60癮nd theeffective distance was 1 200 km,only six satellites are necessary for observing the earth each day and the coveringtime for the assigned region was more than 20 minutes.
Key words:    antennas    computer simulation    constrained optimization    design    MATLAB    multitasking    orbits    Radar    satellite communication systems;earth reconnaissance    region covering   
收稿日期: 2014-02-12     修回日期:
DOI:
基金项目: 国家自然科学基金(61304238);国家高技术研究发展计划(2012AA120602);中央高校基本科研业务费(3102014JCQ01004)资助
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作者简介: 黄河(1984-),西北工业大学讲师,主要从事航天器动力学与控制、卫星组网等的研究。
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