Diankuang-Wu

> Hello, > > Thank you for your interest! > > Hmm, that looks like an issue with the simple-pid package. Have you cloned my fork (https://github.com/eugval/simple-pid) and switched to...

Hello, Now I have a trained policy by ppo_multiprocess.py. I want to test it, but an error emerges as below. **AttributeError: 'NoneType' object has no attribute 'render'**  when I...

Thank you for your reply. By your suggestion, I add: env.renderer_on(), between line 324 and line 325 in ppo_multiprocess.py Then, I can get render from mujoco :-)

When I run the code below, it appears error: Traceback (most recent call last): File "Dispaly_multiframes.py", line 82, in color_depth_map=color_depth_map) File "pylibfreenect2/libfreenect2.pyx", line 1132, in pylibfreenect2.libfreenect2.Registration.apply AssertionError ``` frames =...

> 问题～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～ > Invalid parameter "transmission_hw_interface" None None > when instantiating macro: ur5_robot (/home/c411/ur_ws/src/universal_robot/ur_description/urdf/ur5.urdf.xacro) > in file: /home/c411/ur_ws/src/universal_robot/ur_description/urdf/ur5_joint_limited_robot.urdf.xacro > while processing /home/c411/ur_ws/src/universal_robot/ur_description/launch/ur5_upload.launch: > Invalid tag: Cannot load command parameter [robot_description]:...

@superjeary I have the same issue, have you figured out? Could you give me a hand to solve it? Thank you

I roslaunch document in kinetic-ros of ubuntu16.04, **it works**. Before that, my ubuntu system is ubuntu18.04 and melodic-ros, so maybe the issue is version incompatibility.