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Controllable set model and characteristic analysis of long-distance guidance segment for earth departure circumlunar rendezvous
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Controllable set model and characteristic analysis of long-distance guidance segment for earth departure circumlunar rendezvous
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Journal Article
Controllable set model and characteristic analysis of long-distance guidance segment for earth departure circumlunar rendezvous
2025
Overview
In this paper, the controllable set of long-distance guidance segment trajectories for Earth departure circumlunar rendezvous is investigated. Firstly, the mathematical model of controllable set is given according to the long-distance guidance dynamics process. Second, on the basis of the long-distance guidance trajectory design, the controllable set calculation is transformed into a multi-objective nonlinear optimal control problem, and the concept of loosely controllable set is introduced and a controllable set algorithm is proposed. Thirdly, the accuracy of the algorithm is verified by comparing the simulation example with the point design results in other literatures, which are within the envelope of the controllable set in this paper. Finally, the parameter characteristics of the controllable set of long-distance guidance trajectory are analyzed. The conclusions of the study can provide an important reference for the design of long-distance guidance trajectories in future manned lunar landing or lunar exploration missions.
Publisher
IOP Publishing
