Non-Dominated Sorting Genetic Algorithm II

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

An efficient multi-objective evolutionary algorithm that rapidly sorts the population into layers via non-dominated sorting, measures solution diversity using crowding distance, and employs elitist preservation. In multi-objective low-thrust trajectory optimization, it generates the Pareto front between competing objectives of velocity increment and flight time.

Application Value

Non-Dominated Sorting Genetic Algorithm II is a fundamental concept in cislunar mission design, playing an important role in orbital design and tracking planning.

References

  • Vellutini & Avanzini, 2014, Shape-based design of low-thrust trajectories to cislunar lagrangian point
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Contributors: ouyangjiahong, Ou Yang Jiahong