Differential Corrections

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

Iterative algorithm mapping terminal constraint residuals to initial velocity corrections via state transition matrix, used to enforce trajectory continuity.

Application Value

In orbital design, analysis, and control, dynamics models are used to predict spacecraft trajectories, with equations of motion solved numerically or analytically. This concept underpins critical mission capabilities including orbital maneuver design, orbit improvement, and formation flying.

References

  • Trajectory selection strategy for tours in the Earth-moon system
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Contributors: ouyangjiahong, Ou Yang Jiahong