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Questions tagged [gazebo-simu]

For questions about the Gazebo robot simulation tool

For questions about the Gazebo robot simulation tool

215 questions
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Problems when running Gazebo (or turtlebot 3) from a docker container

I am trying to run turtlebot 3 from inside a Docker container that I built based on the ros:noetic container. After overcoming several problems when trying to install turtlebot3 for noetic, I could finally install it. However when I run…
KansaiRobot
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Is it possible to make a model in gazebo invisible via ros/python?

I'm testing an algorithm on a model of a robot on gazebo, for an experiment i need to perform some blind trials so i need to control a robot without seen it and after a timeout make it visible again via code in real time. i'm coding with python and…
Jordan.M
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Receving Gazebo gstreamer UDP video from python Opencv Videocapture

I'm trying to implement object detection Gazebo simulation enviroment. For this I use https://dev.px4.io/v1.9.0/en/simulation/gazebo.html this site. I'm receving video from QGroundControl. Also, I received video and detect object from USB Webcam via…
Bozkurthan
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Turtlebot unintentionally moving by itself in Gazebo ROS Kinetic

When I start a simulation of the Turtlebot in Gazebo, it is slowly moving by itself (linear and angular). If I check the 'odom' messages published by Gazebo, there is always a small twist (linear x und angular z). After some minutes you can clearly…
manox
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ERROR: service [/gazebo/spawn_urdf_model] responded with an error: b''

I am using turtlebot3 for testing different algorithms. I need another turtlebot3 in same environment/world. I am using rosservice to spawn another turtlebot3 by following command rosservice call /gazebo/spawn_urdf_model "model_name: '' model_xml:…
Mubahsir
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ROS2-Gazebo: show image on the side of a cube

I am trying to display aruco marker on one (only one) side of the cube in Gazebo. I am using the following model, that is pasted in a world file: true
Steve Brown
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Getting Error while trying to install gazebo9 after installing ROS noetic in ubuntu 20.04 LTS

I have removed complete ROS and gazebo in Ubuntu 20.04 and tried to install it fresh, but I am facing the errors while installing gazebo9, below are the errors lucky@Lucky1461:~$ sudo apt-get install gazebo9 libgazebo9-dev Reading package lists...…
Manjunath Kondamu
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Controller manager not available in ROS2

Hi I have added control plugin in robot arm urdf then created launch file but when I run launch file gazebo and robot arm model open but I get an error like below. How can I solve this problem? [robot_state_publisher-3] Parsing robot urdf xml…
gurselturkeri
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Robotic arm fall to ground in gazebo

I create a custom URDF in Solidworks and simulate it in ROS when ever I launch the robot in the gazebo simulator the arm fall to the ground. the robot is perfectly fine in rviz.
Mubahsir
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ROS, when running px4 with gazebo_iris_opt_flow Drone camera not creating any topic

I start mavros with this code: roslaunch mavros px4.launch fcu_url:="udp://:14540@192.168.1.36:14557" then I start gazebo Quadrator with Optical Flow simulation with this code: make px4_sitl_default gazebo_iris_opt_flow source…
MTO
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My robot falls through the ground in gazebo world

https://github.com/osrf/vrx I am using the usv urdf file I created to open the gazevo world in the example link above. It seems to be able to load the model into the gazebo world, but there is a problem that the model continues to sink to the…
mazik
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I'm trying to export gym-gazebo GazeboCircuit2TurtlebotLidar as a custom env to my algorithm. I could not import gym-gazebo as typical gym env

I am trying to connect an agent(GazeboCircuit2TurtlebotLidar-v0) from gym-gazebo library(gym-gazebo is an extension of the initial OpenAI gym for robotics using ROS and Gazebo, an advanced 3D modeling and rendering tool) with a deep reinforcement…
Janani
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PX4 with ROS2: which Ubuntu Linux development environment is necessary?

I am attempting to construct the environment to run PX4 with ROS2 Foxy on Ubuntu 20.04. So far I have been following this guide and I was able to get to the very end of it, in particular to the section "Sanity Check the Installation". Following…
tamasso-parec
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Error on opening a world even it exists gazebo

dad@ubuntu:~$ gazebo --verbose world/iris_arducopter_runway.world When I run this code the output is as follows. The error is about the loading of the world file but it exists. In advance, the world is opened as empty world. Error opening log file:…
A.Yusuf
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My python script does not publish velocity command to parrot drone in ROS

I would like to publish velocities for my ARDrone using /cmd_vel topic using the below python script. But it does nothing. It does not publish the required information. What is wrong in the below code? #!/usr/bin/env python3 import numpy as…
Monojit Sarkar
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