The invention discloses a spacecraft hidden maneuvering trajectory planning method based on a Bezier curve, and relates to the technical field of spacecrafts, and the method comprises the steps: constructing a coordinate system used for describing the relative motion of a spacecraft, and building a spacecraft orbit dynamics model; constructing situation awareness constraints, control capability constraints, boundary condition constraints and performance indexes corresponding to the hidden maneuvering process of the spacecraft on the basis of monitoring the situation awareness capability of a satellite cluster; constructing a spacecraft hidden maneuvering trajectory planning model; respectively converting position parameters and control parameters of the spacecraft into algebraic equations by utilizing a Bezier curve; selecting the order number and the collocation number of the Bezier curve, constructing and solving a spacecraft hidden maneuvering trajectory planning model in a discrete form, and obtaining a state variable and a control variable of the spacecraft between a starting position and a terminal position. According to the method, the hidden maneuvering trajectory of the spacecraft avoiding monitoring of the monitoring satellite cluster can be determined, the solving difficulty can be reduced, and the calculation amount and calculation time consumption can be reduced.
本发明公开了一种基于贝塞尔曲线的航天器隐蔽机动轨迹规划方法,涉及航天器技术领域,包括:构建用于描述航天器相对运动的坐标系,建立航天器轨道动力学模型;基于监视卫星集群的态势感知能力,构建航天器隐蔽机动过程对应的态势感知约束、控制能力约束、边界条件约束和性能指标;构建航天器隐蔽机动轨迹规划模型;利用贝塞尔曲线,将航天器的位置参数和控制参数分别转化为代数方程;选取贝塞尔曲线的阶数和配点数,构建并求解离散形式的航天器隐蔽机动轨迹规划模型,获取航天器在开始位置至终端位置之间的状态变量和控制变量。本发明能够确定使航天器避开监视卫星集群监视的隐蔽机动轨迹,且能够降低求解难度,减少计算量和计算耗时。
Spacecraft hidden maneuvering trajectory planning method based on Bezier curve
一种基于贝塞尔曲线的航天器隐蔽机动轨迹规划方法
2025-04-01
Patent
Electronic Resource
Chinese
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