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Implementation of Q-learning algorithm and Feedback control for the mobile robot (turtlebot3_burger) in ROS.
Hi, your project is amazing. I want to improve a model by using your model and then set rewards only for distance to get to the goal. Do you think will it be possible?
Hello,
I saw your great YouTube Video, and I wanted to try this by myself. After I read your ReadMe.md I was a bit confused, because there where no explanation how to launch this project. Can You just explain which of the nodes you used or share a launchflie to start the project in the right way.
I would be really happy to get an answer.
Hello,
I get this error when running learning_node.py
the error message appear (occasionally) in between the episode output
can anyone help, please
(i'm using ubuntu 20.04.3, python 3.8.10, and ros noetic 1.15.13)
Episode 8 ==> CRASH {-0.20,-0.17,34.12} 30/12/2021 16:45:18
episode time: 4.94 s (avg step: 0.21 s)
episode steps: 23
episode reward: -103.50
episode max | avg | min reward: 0.10 | -4.70 | -100.00
T = 17.458432
Episode 9 ==> CRASH {-0.11,-0.23,19.62} 30/12/2021 16:45:24
episode time: 5.97 s (avg step: 0.21 s)
episode steps: 28
episode reward: -106.90
episode max | avg | min reward: 0.00 | -3.96 | -100.00
T = 16.585511
I am interested in this video. And I just want to follow this . But I'm a beginner of ROS.
So I'cant begin this git project. When I run this project, gazebo simulation is fail (turtlebot is crashed)
I think this is because I just run each python file. (like use this command to run scan_node.py $ python scan_node.py)
Can you explain how can I run this whole file. (like rqt graph)
I think I must use roslaunch command but I don't know how can i use this command.
could you give me a code when you start this simulation in gazebo?
Hey,
first of all, amazing work! secondly, in the simulation everything worked fine but in real world , it gives an error.
lidar_right = min(lidar[(ANGLE_MAX - HORIZON_WIDTH):(ANGLE_MAX)])
ValueError: min() arg is an empty sequence
I have set REAL_ROBOT = True
Hello, I'm glad the simulation worked fine before. But now, when I try to run it as a turtlebot in a real environment, it keeps crashing. The wheels don't stop and keep spinning even when bumped. Do I need Gazebo or Rvis even when running in a real environment? Do I need to upload a map? It's an honor to do your project.
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