Differential Correction

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

Definition

An iterative trajectory correction algorithm that linearizes the objective function via Taylor series expansion and corrects design variables using the inverse Jacobian matrix until constraints are satisfied.

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.

Related Concepts

• Operational Orbit Library
• Lunar Free-Return Orbit, LFO
• Critical Orbit
• Quasi-Periodic Distant Retrograde Orbit, QPDRO

References

• 高玉东 等 - 2006 - 地月空间飞行轨道分层搜索设计