The optimization and control of spacecraft trajectories in presence of uncertainties and unmodeled disturbances represents a challenging problem. Future missions would benefit from robust control techniques to compute their trajectory in a complex, nonlinear environment and in presence of stochasticity. In this work the Stochastic Optimal Control problem in the Circular Restricted Three Body Problem is addressed and a method is proposed based on Nonlinear Model Predictive control (NMPC). This method presents the challenge of solving a nonlinear optimization problem on-board. A Quantum-inspired meta-heuristic optimization algorithm is tested in this context: the Diffusion Monte Carlo (DMC) method is based on a numerical techniques used in Quantum Mechanics, adapted to solve optimization problems. The NMPC with DMC is implemented, taking into account an estimate of the computational time required through the introduction of delayed actuation of the control. Two applications are presented featuring transfer trajectories between planar periodic orbits in the vicinity of the Moon; the proposed method proved able to successfully generate trajectories when disturbance accelerations and uncertain initial conditions are present.

Nonlinear model predictive control leveraging quantum-inspired optimization in the three body problem with uncertainty / De Grossi, F.; Circi, C.. - In: ACTA ASTRONAUTICA. - ISSN 1879-2030. - 205:(2023), pp. 68-79. [10.1016/j.actaastro.2023.01.028]

Nonlinear model predictive control leveraging quantum-inspired optimization in the three body problem with uncertainty

De Grossi F.;Circi C.
2023

Abstract

The optimization and control of spacecraft trajectories in presence of uncertainties and unmodeled disturbances represents a challenging problem. Future missions would benefit from robust control techniques to compute their trajectory in a complex, nonlinear environment and in presence of stochasticity. In this work the Stochastic Optimal Control problem in the Circular Restricted Three Body Problem is addressed and a method is proposed based on Nonlinear Model Predictive control (NMPC). This method presents the challenge of solving a nonlinear optimization problem on-board. A Quantum-inspired meta-heuristic optimization algorithm is tested in this context: the Diffusion Monte Carlo (DMC) method is based on a numerical techniques used in Quantum Mechanics, adapted to solve optimization problems. The NMPC with DMC is implemented, taking into account an estimate of the computational time required through the introduction of delayed actuation of the control. Two applications are presented featuring transfer trajectories between planar periodic orbits in the vicinity of the Moon; the proposed method proved able to successfully generate trajectories when disturbance accelerations and uncertain initial conditions are present.
2023
stochastic optimal control; model predictive control; quantum-inspired optimization; three body problem
01 Pubblicazione su rivista::01a Articolo in rivista
Nonlinear model predictive control leveraging quantum-inspired optimization in the three body problem with uncertainty / De Grossi, F.; Circi, C.. - In: ACTA ASTRONAUTICA. - ISSN 1879-2030. - 205:(2023), pp. 68-79. [10.1016/j.actaastro.2023.01.028]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1673461
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