Feedback Linearization

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

A design method that exactly transforms a nonlinear system into a linear one through nonlinear state feedback and coordinate transformation. The resulting linear system can be controlled using linear control theory. In orbit station-keeping, it linearizes the nonlinear spacecraft dynamics near libration points, but has limited robustness against unmodeled disturbances and digital implementation.

Application Value

This term has application value in the design and analysis of cislunar space missions, supporting trajectory design, mission planning, and system optimization. Researchers can analyze its physical mechanisms and engineering applicability based on specific mission requirements to advance cislunar space exploration technology.

References

  • Elobaid et al. 2022
  • Sanna等 - 2024
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Contributors: ouyangjiahong, Ou Yang Jiahong