A Survey on Low-Thrust Trajectory Optimization Approaches

In this paper, we provide a survey on available numerical approaches for solving low-thrust trajectory optimization problems. First, a general mathematical framework based on hybrid optimal control will be presented. This formulation and their elements, namely objective function, continuous and disc...

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Bibliographic Details
Published in:Aerospace 2021-03, Vol.8 (3), p.88
Main Authors: Morante, David, Sanjurjo Rivo, Manuel, Soler, Manuel
Format: Article
Language:English
Subjects:
Aerospace engineering
Automation
Concurrent engineering
Continuity (mathematics)
Decision making
Design
Designers
Dynamic models
Gravity
hybrid optimal control
low-thrust
Objective function
Optimal control
Optimization techniques
Polls & surveys
survey
Trajectory optimization
Voyager 1 spacecraft
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Summary:In this paper, we provide a survey on available numerical approaches for solving low-thrust trajectory optimization problems. First, a general mathematical framework based on hybrid optimal control will be presented. This formulation and their elements, namely objective function, continuous and discrete state and controls, and discrete and continuous dynamics, will serve as a basis for discussion throughout the whole manuscript. Thereafter, solution approaches for classical continuous optimal control problems will be briefly introduced and their application to low-thrust trajectory optimization will be discussed. A special emphasis will be placed on the extension of the classical techniques to solve hybrid optimal control problems. Finally, an extensive review of traditional and state-of-the art methodologies and tools will be presented. They will be categorized regarding their solution approach, the objective function, the state variables, the dynamical model, and their application to planetocentric or interplanetary transfers.
ISSN:2226-4310
2226-4310
DOI:10.3390/aerospace8030088