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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1answer
932 views

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
1k 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. ...
2
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5answers
741 views

Why my robot is lying down in gazebo simulator?

this is my first post about ROS and Gazebo also I am new in ROS. I spawn KUKA robot in Gazebo using urdf file from KUKA github repository following answer from this question I spawned my urdf file in ...
1
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0answers
189 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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0answers
31 views

Stale values in tf2 lookupTransform ROS-Gazebo

I have been trying to implement a low-level motion controller for my robot in ROS-Gazebo simulation. For this purpose, I need to convert some of my states i.e. CoM from body frame to Inertial (map) ...
0
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1answer
30 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
215 views

Looking for a model in a gazebo

I have a small world file, say ...