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A Survey on Low-Thrust Trajectory Optimization Approaches

Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid, 28911 Leganés, Spain
Author to whom correspondence should be addressed.
Academic Editor: Roberto Sabatini
Aerospace 2021, 8(3), 88;
Received: 12 February 2021 / Revised: 13 March 2021 / Accepted: 15 March 2021 / Published: 19 March 2021
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. View Full-Text
Keywords: low-thrust; hybrid optimal control; survey low-thrust; hybrid optimal control; survey
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MDPI and ACS Style

Morante, D.; Sanjurjo Rivo, M.; Soler, M. A Survey on Low-Thrust Trajectory Optimization Approaches. Aerospace 2021, 8, 88.

AMA Style

Morante D, Sanjurjo Rivo M, Soler M. A Survey on Low-Thrust Trajectory Optimization Approaches. Aerospace. 2021; 8(3):88.

Chicago/Turabian Style

Morante, David, Manuel Sanjurjo Rivo, and Manuel Soler. 2021. "A Survey on Low-Thrust Trajectory Optimization Approaches" Aerospace 8, no. 3: 88.

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