Energy-Optimal Control

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

An optimal control strategy that minimizes energy consumption (equivalent to the integral of squared thrust). The control law is a smooth curve that serves as the initial solution in homotopy methods, transitioning to the fuel-optimal solution by gradually adjusting the homotopy parameter.

Application Value

This term has significant application value in cislunar space missions。In the orbital design phase, engineers use relevant theories for trajectory optimization；In navigation and orbit determination, it is used to improve measurement accuracy；In attitude control and orbit maintenance tasks, it ensures stable spacecraft operation。In practical applications, parameter optimization and algorithm adaptation can be combined with mission requirements to improve mission success rate and resource utilization efficiency。

  • Characteristic Exponents
  • Capture Docking Phase
  • Lunar Flyby Transfer

References

  • Jiang et al. 2012, Practical techniques for low-thrust trajectory optimization with homotopic approach
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Contributors: ouyangjiahong, Ou Yang Jiahong