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出 处:《中南大学学报(自然科学版)》2013年第S2期63-67,共5页Journal of Central South University:Science and Technology
摘 要:当前对空间操作任务的规划主要集中在轨道层面,而对载荷动作的规划研究较少。由于载荷的工作受系统状态和资源等的制约,因此对实际任务而言,仅有轨道规划还不够,还需要对动作进行规划。为了实现动作层的自动规划,提出了一种基于路径的空间操作任务自动规划方法。该方法在利用交会轨道规划算法对接近轨道进行规划的基础上,根据相关载荷的工作参数自动生成完成任务所需要的初始动作序列,并利用前向检测后向推理算法对动作序列中的冲突进行检测和修复,直至冲突得到消解。以一个空间抓捕任务为例进行了规划,验证了所述方法的有效性。For the planning of space operation missions,current researches mainly focus on the plan of transfer orbit and rarely relate to the plan of payloads.Since the function of payloads is constrained by states and resources of the system,the action of payloads should be reasonably planned as well.To promote the automation of space operation mission,an orbit based automatic planning approach was proposed.On the basis of planning the near distance rendezvous orbit,the initial action sequence of related payloads was generated.Because the plan of orbit takes no account of the limitation of resources and timing,the sequence generated may contain conflicts.So Forward Check & Backward Reason(FC-BR) algorithm was used to detect and revise these conflicts iteratively until a feasible plan was generated.The simulation results demonstrate that the planner can make a reasonable plan.
关 键 词:空间操作 自动规划 交会轨道 前向检测后向推理算法
分 类 号:V448[航空宇航科学与技术—飞行器设计]
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