Questions tagged [gazebo]

gazebo is a simulator makes it possible to rapidly test algorithms, design robots, perform regression testing, and train AI system using realistic scenarios.

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Is it possible to simulate vision (perception) in Gazebo (or other simulators)

Vision is important part of robotics and frequently it is unavoidable component of control loop. E.g. many clothes/garment handling algorithms rely on visual cues in deciding how to proceed. The ...
3
votes
1answer
43 views

Pose difference estimation in cartesian impedance control

I am trying to implement a cartesian impedance controller in simulation (gazebo + KDL). The method which I am using is the following: Compute the EE pose from KDL's forward kinematics for the ...
4
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1answer
6k views

System Requirements for Gazebo

According to this document from Gazebo's (Beginner:Overview) online web site, for the installation of Gazebo version 7.0 on Ubuntu OS, these are the following System Requirements: A dedicated GPU (...
3
votes
1answer
2k views

Tf frame origin is offset from the actual base_link

I have built my differential drive mobile robot in solidworks and converted that to URDF file using soliworks2urdf converter. I successfully launched and robot and simulated with tele-operation node. ...
1
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0answers
319 views

Gazebo crashes and burns launching empty world in new package [closed]

I'm launching empty_world copied into my package with the command roslaunch my_package empty_world.launch. Here is ...
0
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1answer
537 views

Why can't the Controller Spawner find the expected controller_manager ROS interface?

I have a quadruped robot with base link (BL), 4 child links called LFT, LFT, RFT, RFT, T for thigh and each having 4 children with name LFC, LBC, RFC, RBC, C for Calf. 8 joints - Base link to 4 thighs ...
0
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1answer
148 views

Docker on WSL2: Dockerfile: how to test whether ROS gazebo can connect to already working X server (using its X11 display on Windows)?

I had the following errors and warnings in a ROS project. They showed up using docker-compose or when running a mere container from the image, which strangely had worked once somehow but then later ...
0
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0answers
63 views

Docker on WSL2: ROS gazebo in “docker-compose”: demo “test talker” needed as the input of the standard RViz listener

Taking the image and the X server setting that you get from Docker on WSL2: how to test whether ROS gazebo can connect to already working X server (using its X11 window on Windows)?, I was curious how ...
0
votes
1answer
62 views

Coordinates seem to show overlapping but RViz doesn't

How can you place two objects that seem to overlap with their units but appear stacked on top of each other [original intent] in RViz? I was watching this video tutorial on ROS and URDF. I have ...
0
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0answers
438 views

Looking for a model in a gazebo

I have a small world file, say ...