Title:
Model Predictive Path Integral Control for Spacecraft Rendezvous Proximity Operations on Elliptic Orbits

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Sasaki, Tomohiro
Ho, Koki
Lightsey, E. Glenn
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Abstract
This paper presents a nonlinear control framework for spacecraft rendezvous and proximity operations on elliptic orbits using Model Predictive Path Integral (MPPI) control. Path integral control is a sampling-based nonlinear stochastic optimal control algorithm that can avoid linear and quadratic approximations in both dynamics and cost functions. While this control method has gained popularity in the robotics community due to its algorithmic effectiveness, it remains unexplored in astrodynamics. This paper demonstrates a comprehensive closed-loop simulation of spacecraft rendezvous employing MPPI and evaluates its control performance through these simulations.
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2023-08
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