燃料スロッシング抑制を考慮した宇宙ロボット制御のためのMPCベース深層強化学習手法
MPC-based Deep Reinforcement Learning Method for Space Robotic Control with Fuel Sloshing Mitigation
燃料スロッシングが生じる衛星ドッキング制御において、強化学習(PPO/SAC)とモデル予測制御(MPC)を統合し、ドッキング精度と成功率を向上させる手法を提案・検証した論文。
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著者: Mahya Ramezani, M. Amin Alandihallaj, Barış Can Yalçın, Miguel Angel Olivares Mendez, Holger Voos
分類: cs.RO, cs.LG
原文アブストラクト
This paper presents an integrated Reinforcement Learning (RL) and Model Predictive Control (MPC) framework for autonomous satellite docking with a partially filled fuel tank. Traditional docking control faces challenges due to fuel sloshing in microgravity, which induces unpredictable forces affecting stability. To address this, we integrate Proximal Policy Optimization (PPO) and Soft Actor-Critic (SAC) RL algorithms with MPC, leveraging MPC's predictive capabilities to accelerate RL training and improve control robustness. The proposed approach is validated through Zero-G Lab of SnT experiments for planar stabilization and high-fidelity numerical simulations for 6-DOF docking with fuel sloshing dynamics. Simulation results demonstrate that SAC-MPC achieves superior docking accuracy, higher success rates, and lower control effort, outperforming standalone RL and PPO-MPC methods. This study advances fuel-efficient and disturbance-resilient satellite docking, enhancing the feasibility of on-orbit refueling and servicing missions.
関連論文
- AI強化モデル予測制御による安全かつ適応的なランデブー・近傍運用宇宙ロボティクス/制御
