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• W4386368562 abstract "Recent efforts in on-orbit servicing, manufacturing, and debris removal have accentuated some of the challenges related to close-proximity space manipulation. Orbital debris threatens future space endeavors driving active removal missions. Additionally, refueling missions have become increasingly viable to prolong satellite life and mitigate future debris generation. The ability to capture cooperative and non-cooperative spacecraft is an essential step for refueling or removal missions. In close-proximity capture, collision avoidance remains a challenge during trajectory planning for space manipulators. In this research, a deep reinforcement learning control approach is applied to a three-degrees-of-freedom manipulator to capture space objects and avoid collisions. This approach is investigated in both free-flying and free-floating scenarios, where the target object is either cooperative or non-cooperative. A deep reinforcement learning controller is trained for each scenario to effectively reach a target capture location on a simulated spacecraft model while avoiding collisions. Collisions between the base spacecraft and the target spacecraft are avoided in the planned manipulator trajectories. The trained model is tested for each scenario and the results for the manipulator and base motion are detailed and discussed." @default.
• W4386368562 created "2023-09-02" @default.
• W4386368562 creator A5043120294 @default.
• W4386368562 creator A5069962841 @default.
• W4386368562 date "2023-08-31" @default.
• W4386368562 modified "2023-09-23" @default.
• W4386368562 title "Space Manipulator Collision Avoidance Using a Deep Reinforcement Learning Control" @default.
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• W4386368562 doi "https://doi.org/10.3390/aerospace10090778" @default.
• W4386368562 hasPublicationYear "2023" @default.
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