On the Performance of Different Smoothing Methods for Indirect Low-Thrust Trajectory Optimization

This paper compares the performance of two popular smoothing techniques involving the homotopic approach and the hyperbolic tangent smoothing within the indirect formulation of low-thrust minimum-fuel optimization problem in the Restricted Two-Body Problem. Their respective performance are investiga...

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Bibliographic Details
Published in:The Journal of the astronautical sciences 2023-11, Vol.70 (6), Article 51
Main Authors: Sidhoum, Yanis, Oguri, Kenshiro
Format: Article
Language:English
Subjects:
Aerospace Technology and Astronautics
Engineering
Mathematical Applications in the Physical Sciences
Original Article
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
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Summary:This paper compares the performance of two popular smoothing techniques involving the homotopic approach and the hyperbolic tangent smoothing within the indirect formulation of low-thrust minimum-fuel optimization problem in the Restricted Two-Body Problem. Their respective performance are investigated on quantitative and qualitative criteria such as computational burden, including number of iterations, convergence time, and accuracy of the optimal solution. Additionally, the Particle Swarm Optimization algorithm is used to analyze the global landscape of the performance comparison of the two methods. This investigation unifies the available literature and provides useful recommendations for solving future low-thrust optimization problems involving bang-bang control inputs.
ISSN:2195-0571
2195-0571
DOI:10.1007/s40295-023-00417-4