Title:
Model Predictive Path Integral Control for Spacecraft Rendezvous Proximity Operations on Elliptic Orbits
Model Predictive Path Integral Control for Spacecraft Rendezvous Proximity Operations on Elliptic Orbits
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Author(s)
Sasaki, Tomohiro
Ho, Koki
Lightsey, E. Glenn
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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Date Issued
2023-08
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