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Low-Thrust Interplanetary Trajectories with Missed Thrust Events: A Numerical Approach

Pierre Carpentier, Jean‐Philippe Chancelier, Guy Cohen, Thierry Dargent and 1 more

Journal of Guidance Control and Dynamics | Jun 27, 2026

Abstract

Abstract

The problem under consideration is to drive a spatial vehicle to a target at a given final time while minimizing fuel consumption. This is a classical optimal control problem in a deterministic setting. However, temporary stochastic failures of the engine may prevent the vehicle from reaching the target after engine usage is recovered. Therefore, a stochastic optimal control problem is formulated under the constraint of ensuring a minimal probability of hitting the target. This problem is modeled, improved, and finally solved by dualizing the probability constraint and using an Arrow–Hurwicz stochastic algorithm. Numerical results concerning an interplanetary mission are presented.

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Authors

Researchers on this paper

Pierre Carpentier

first | École Nationale Supérieure de Techniques Avancées | ORCID 0000-0001-9013-9978

Jean‐Philippe Chancelier

middle | Centre National de la Recherche Scientifique | ORCID 0000-0002-0658-2035

Guy Cohen

middle | Centre National de la Recherche Scientifique | ORCID 0000-0002-6352-3859

Thierry Dargent

middle | Leonardo (United States)

Richard Épenoy

last | Centre National d'Études Spatiales | ORCID 0000-0002-1947-9918

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Citation

BibTeX

@article{Carpentier2026Thrust,
  title = {Low-Thrust Interplanetary Trajectories with Missed Thrust Events: A Numerical Approach},
  author = {Pierre Carpentier and Jean‐Philippe Chancelier and Guy Cohen and Thierry Dargent and Richard Épenoy},
  journal = {Journal of Guidance Control and Dynamics},
  year = {2026},
  doi = {10.2514/1.g009777},
  url = {https://doi.org/10.2514/1.g009777}
}

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