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针对嫦娥三号软着陆轨道设计与控制策略,结合动力学、微分方程等知识,主要建立多元非线性规划模型、模糊C均值聚类模型等,用于粗避障和精避障阶段优选着陆区的筛选,并通过对模型的定量和定性分析,得出嫦娥三号软着陆轨道设计与控制策略;又对第二阶段末端着陆器速度方向与竖直向下的夹角和其他控制过程进行敏感性分析和误差分析;最后对模型总体各阶段优缺点进行评价.
Aiming at the design and control strategy of Chang’e III soft landing orbit, combined with the knowledge of dynamics and differential equations, it mainly builds multivariate nonlinear programming model and fuzzy C-means clustering model for the preferred landing zone of rough obstacle avoidance and obstacle avoidance stages , And through the quantitative and qualitative analysis of the model, we can get the design and control strategy of Chang’e III soft landing trajectory. At the same time, we can also sensitively detect the angle and other control processes of the second stage end lander velocity direction and vertical downward direction Sexual analysis and error analysis; Finally, the overall advantages and disadvantages of the model were evaluated.