[ROS 2] Machine Learning Tutorial - TurtleBot3 does not train

asked 2020-09-19 17:39:23 -0600

EDS gravatar image

updated 2020-09-19 20:01:56 -0600

Hi, I am following the tutorial in https://emanual.robotis.com/docs/en/p... The installation and execution (without errors) is apparently fine but the robot does not train. I tried the example one, Stage 1. No obstacle (https://emanual.robotis.com/docs/en/p...) for more than 1000 episodes and the robot does not start to train, the robot moves but it is not seen that it seeks the goal (in the simulated image) and the goal image does not change either. The same happens with the other examples with static and moving obstacles. In the tutorial, the video that appears before the example 1 (Stage 1. No obstacle) shows that the robot after 190 episodes starts to learn but this video has no correspondence to the tutorial, this video is about ROS1 Machine Learning Tutorial!(https://emanual.robotis.com... and has others sentences that I can not execute with ROS2. I have installed Ubuntu 18.04, ROS2, Gazebo 9.14, python 3.6

Can you help me please, what can I do, any suggestion ?

Thanks a lot.


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