Discrete Node

Author: Tianjiang Shuo Website: https://cislunarspace.cn

Definition

A time sampling point along the trajectory after discretization of the optimal control problem. The number of nodes directly affects optimization accuracy and computation time; node spacing can be fixed or adaptively distributed based on nonlinearity.

Application Value

This concept plays a key role in trajectory transfer design, helping evaluate transfer costs and flight time to provide quantitative basis for mission trade studies. Combined with global search algorithms, multiple solution families and Pareto frontiers can be identified to guide orbital design decisions.

References

  • Kayama 等 - 2022
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Contributors: ouyangjiahong, Ou Yang Jiahong