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Jakob Thumm committed Sep 14, 2021
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# Robot RL

This project covers everything to train verifiably safe manipulators in human environments using reinforcement learning (RL).
The simulation environment is based on Gazebo.
In the future we are planning to also incorporate real-world training.

Deep reinforcement learning (RL) has shown promising results in robotic manipulator path planning for complex goals.
However, to this point, no method guarantees the safety of highly dynamic obstacles, such as humans, in manipulator control.
This lack of formal safety prevents the application of RL for manipulators in real-world human environments.
Therefore, we propose a shielding mechanism that guarantees ISO-verified human safety while training and deploying RL algorithms on manipulators.
We utilize a fast reachability analysis of humans and manipulators to guarantee that the manipulator comes to a full stop before a human can reach it.
Our proposed method not only guarantees safety but also significantly improves the RL performance by preventing episode-ending collisions.
We present the performance of our proposed method in simulation using human motion capture data.

## Installation
We work on Ubuntu 20.04.
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