The invention discloses a spacecraft orbit threat autonomous avoidance task planning method based on a PDDL, and the method comprises the steps: building the field description of spacecraft orbit threat autonomous avoidance task planning through employing a PDDL based on the evolution and dependence relation of behavior actions of each parallel subsystem of a spacecraft along with time; based on the threat perception process of the spacecraft and the environmental condition of the spacecraft, a PDDL language is adopted to construct a problem description of spacecraft orbit threat autonomous avoidance task planning; generating a spacecraft orbit threat autonomous avoidance task planning problem in combination with the field description and the problem description; the task planning problem is solved, a planning solution is output, and the planning solution is a state sequence set and represents evolution of each subsystem from an initial state to a target state in a given planning interval; according to the method, a series of execution sequences for avoiding tasks are autonomously generated, so that coordinated operation for dealing with orbit threats when the spacecraft executes established tasks is realized.

    本发明公开一种基于PDDL的航天器轨道威胁自主规避任务规划方法,包括:基于航天器各并行子系统的行为动作随时间的演化和依赖关系,采用PDDL语言构建航天器轨道威胁自主规避任务规划的领域描述;基于航天器的威胁感知流程及航天器所处环境条件,采用PDDL语言构建航天器轨道威胁自主规避任务规划的问题描述;结合所述领域描述和所述问题描述,生成航天器轨道威胁自主规避任务规划问题;求解所述任务规划问题,输出规划解,所述规划解为状态序列集合,表示各子系统在给定规划区间上从初始状态到目标状态的演化;本发明通过自主生成规避任务的一系列执行序列,实现了航天器执行既定任务时应对轨道威胁的协调运行。


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    Titel :

    PDDL-based spacecraft orbit threat autonomous avoidance task planning method


    Weitere Titelangaben:

    基于PDDL的航天器轨道威胁自主规避任务规划方法


    Beteiligte:
    CHEN XINGWEN (Autor:in) / WANG TONG (Autor:in) / QIU JIANBIN (Autor:in) / QIN CHENHUI (Autor:in) / LUO SHAN (Autor:in)

    Erscheinungsdatum :

    2023-10-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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