Gazebo: Could not load controller, JointTrajectoryController does not exist...
Hi! I am new in ROS, and I was reading a book "Mastering ROS". But I am having an issue with loading controllers in Gazebo, from chapter 10. Working with perception using MoveIt! and Gazebo. Even...
View ArticleTesting for sensors in Gazebo fails : Getting started
Whenever i run "rostopic echo scan" or run anything related to sensor/sensor detection Gazebo crashes. actions to reproduce: roslaunch turtlebot_gazebo turtlebot_world.launch (another terminal)...
View Articleadd AR tag in gazebo
Hello everyone, I'm wondering how to add an `AR tag` in the gazebo's world these days. But I have not found the right way to solve this problem. Or could I add an image to the world? Thanks first!
View Articleapplying texplore rl to mobile robot and arm
I have the following ([robot in Gazebo simulation](https://1drv.ms/i/s!AstFZgcaUOtthzl_-08hOX-LfaFI)). My goal in applying the TEXPLORE RL algorithm is to have the robot use its arm to help itself to...
View Articlezbar_ros does not detect QR codes from Gazebo camera sensor
I would like to detect QR codes in my gazebo simulation. To do this, I would like to use the zbar_ros package, since it is fast and has a small footprint. While I was able to detect QR codes using a...
View ArticleMirror simulation in gazebo
Hi, Is there a know simple way of simulating a mirror in gazebo?
View ArticleRun openni_tracker with a simulated kinect using Gazebo
Hi everybody, we use gazebo to simulate the kinect sensor. is there any option to run the openni_tracker package without using the real sensor? when we try to run it: roslaunch openni_launch...
View ArticleFailed to validate trajectory after updating moveit (Feb 2017)
Hello! I am very new to ROS and i'm currently working on gazebo and moveit on ros indigo. I am currently using the "Autonomous-Flight-ROS" code written by AlessioTonioni. Before updating moveit,...
View ArticleUnknown publisher in the tf_monitor output for the turtlebot_gazebo demo.
Run the demo [Explore the Gazebo world](http://wiki.ros.org/turtlebot_gazebo/Tutorials/indigo/Explore%20the%20Gazebo%20world). Check the tf tree via rqt_tf_tree and obtain the output as below:...
View Articlegazebo - issues with caster wheels and inertial values
Just imported a simple differential drive with 2 motor controlled big wheels at the front and 2 small caster wheels in the rear. Have found 2 issues which have me stumped. 1.) After increasing the...
View ArticleSpawn UR5 Robot with Robotiq 3 Finger Gripper in Gazebo/MoveIt
Hey guys, im not very experienced using ROS. I want to add a Robotiq 3 finger gripper on a UR5 robot and simulate both in Gazebo to control it using MoveIt. I got the packages for the gripper [link...
View ArticlePR2 tabletop manipulation
I need to create a setup in which a PR2 robot, in Gazebo, would be picking objects from a table, manipulating them and placing them back. There is a package pr2_tabletop_manipulation that supposedly...
View ArticleR2 Gazebo simulator
Hi, I am traying install R2 simulator on my pc. I follow steps mentioned in this [link](https://gitlab.com/nasa-jsc-robotics/robonaut2/wikis/R2%20Gazebo%20Simulation) . When I run this command in...
View ArticleTaking Gazebo screenshots using a ROS node
I'm using Gazebo to make some experiments. I want to take photos of Gazebo simulation in certain moments (decided by my ROS node). Gazebo has a screen capture utility by itself, it can be activated...
View ArticleI have created a contact sensor in gazebo but dont know where the data is...
I have created a contact sensor plug-in for gazebo as explained by the [tutorials on the gazebo site](http://gazebosim.org/tutorials?tut=contact_sensor). What I don't understand is how to access the...
View ArticleOperating differential robot in Gazebo 7 and ROS kinetic
Hi, I am trying to operate the simple differential drive robot but it is not moving in Gazebo. I precisely follow this tutorial...
View ArticleGazebo is not publishing clock
My Gazebo is not publishing the clock anymore. I don't know what I did wrong. A few days ago it worked, but not anymore. "use_sim_time" is set to true (`rosparam get use_sim_time` returns true) The...
View ArticleA manipulator with gripper for simulation
I am experimenting with high level manipulation tasks and wish to see the results in simulation. I would like to use Moveit for motion planning and observe the simulated results in Gazebo. *I need some...
View ArticleNot being able to calculate the height in ardrone gazebo simulator
Hey guys, I am relatively new to ros and c++, i am trying to implement pid controller on ardrone using ros indgio. for doing this I want to calculate(print) the height at which the quadcopter is...
View ArticleImportError: No module named rospkg
Hello All, After installing ROS on my Ubuntu, I was trying to follow the tutorials under the simulator_gazebo. But I have gotten an error message for this command: rosrun gazebo spawn_model -file...
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