Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Low-Thrust Trajectory Optimization for Earth-Mars-Jupiter Gravity-Assist Spacecraft Mission

Version 1 : Received: 14 January 2024 / Approved: 15 January 2024 / Online: 15 January 2024 (06:18:43 CET)

How to cite: Saghamanesh, M.; Hu, W.; Rastinasab, V. Low-Thrust Trajectory Optimization for Earth-Mars-Jupiter Gravity-Assist Spacecraft Mission. Preprints 2024, 2024011077. https://doi.org/10.20944/preprints202401.1077.v1 Saghamanesh, M.; Hu, W.; Rastinasab, V. Low-Thrust Trajectory Optimization for Earth-Mars-Jupiter Gravity-Assist Spacecraft Mission. Preprints 2024, 2024011077. https://doi.org/10.20944/preprints202401.1077.v1

Abstract

Recent advancements have revolutionized interplanetary spacecraft missions by combining low-thrust propulsion systems with planetary Gravity-Assist (GA) maneuvers. This study investigates/improved a novel dual-step efficient-robust homotopy algorithm, grounded in indirect optimal control principles, to analyze fuel-optimal bang-bang control problems. The methodology integrates efficient techniques, including the homotopic method, compatible normalization, and improved switching function detection, aimed at enhancing optimal convergence in solving low-thrust gravity-assist spacecraft missions. To illustrate practical application, an Earth-to-Jupiter interplanetary scenario utilizing Mars-GA is examined. Results demonstrate the algorithm's superior efficacy in achieving fuel efficiency, robust convergence, and remarkable accuracy compared to existing solutions.

Keywords

Earth-Mars-Jupiter Gravity-Assist; Low-Thrust Spacecraft Mission; trajectory optimization; homotopy method; fuel-optimal control

Subject

Engineering, Aerospace Engineering

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