PointCloud from velodyne in rviz
Hello all! I am trying to add a velodyne sensor (VLP-16) to an UAV (the iris model in px4). I know that there are more questions on it but as far as I understood them, I don't have their issues. I can...
View Articlecontroling right and left wheels using ROS
Dear guys, Can anyone help me, i just follow a tutorial to make "Differential Drive Robot" from this link:...
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 Articleroslaunch error
I tried to run **roslaunch excavator_gazebo gazebo.launch** (using kinetic) ============================================================================== But I got this error : xacro: Traditional...
View ArticleMove left and right wheel on turtlebot gazebo
Hi guys, Lately i learnt how to make a turtlebot in gazebo simulator, and moved it by using cmd_vel command. the question is: 1. how can i move each wheels because i should move it by using trajectory...
View ArticlePublishing problem with gazebo using trajectory_msgs
Hi everyone, I'm working on arm robotic, first, i wrote a physical model of the arm with a URDF files. This model work with Rviz and Gazebo. Moreover, i created a controllers.yaml file (for controls...
View Article4 wheel robot differential controller
I have designed simple a 4-wheel robot and I want to make it move. The controller below is located in "myrobot.gazebo" file and it works with 2 wheels and a caster. Is it possible to modify the...
View ArticleDisabling line display for .dae models in Gazebo 7
Hi all! I am trying to carry out a simulated experiment using ROS Kinetic and Gazebo 7. I have imported some COLLADA models with .dae format into Gazebo. One thing that bothers me is that the white...
View Articlehow to publish a gazebo topic to a ros topic
Hi, I'm currently working on trying to get a gazebo topic into the ROS topic list so I can access it through the matlab interface with ROS. Right now I managed to create a subscriber to the gazebo...
View ArticleROS kinetic gazebo turtlebot - explanation of otpic
Hello, Is there any article that explains what each topic from turtlebot simulated in gazebo does?
View ArticleOptimize Navigation Stack / Turtlebot drives circles
Hello Guys, i am using Ros Kinetic on a Ubuntu 16.04 PC. I using Turtlebot package for simulation in Gazebo. A few weeks a go a posted a similar question with rtab map without an answer so i am back...
View ArticleNodelet error while running turtlebot gazebo on kinetic
i am not able to figure out how install nodelet separately, i tried to look in cmake file as well but got confused. PS i am new to ros. Is there any one who can help? with some defined steps? Please
View Articlerqt-image-view datatype mismatch
When I run the rqt_image_view via command below: rosrun rqt_image_view rqt_image_view I have received an error: [ERROR] [1517309067.634525993, 814.130000000]: Client [/gazebo] wants topic...
View ArticleControll robot in gazebo with ROS
Hi, I'm trying to integrate the Leap Motion with ROS and controlling a 3-finger gripper in gazebo with variables given by the Leap Motion. These variable, in this case, I'm using the grabStrength is...
View ArticleGPS doesn't show true data when moving in Gazebo
Hello everyone! I have installed Gazebo 8 with ROS Kinetic on Ubuntu 16.04 LTS. I have built a custom robot model in Gazebo and added a libhector_gazebo_ros_gps plugin. Also attached a base_footprint...
View Articlemerger map position
Hi there, I tried to run 5 robots in a map to explore the map. In rviz the positon of the merger_map is different from the others. Here is the map_merge launch file. Could you help me please?
View Articlegazebo is crashing:Segmentation fault
Hi, i have been trying to run gazebo7.0.0. with turtlebot3 burger simulation using ubuntu 16.04 and ros kinetic.When i do roslaunch it is throwing this error: ROS_MASTER_URI=http://localhost:11311...
View ArticleIOError: [Errno 13] Permission denied
makerhan@makerhan-Inspiron-15-3567:~$ roslaunch turtlebot_gazebo turtlebot_world.launch ... logging to...
View ArticleUse of diff_drive_controller to simulate a differential drive in Gazebo
Did anybody manage to use **diff_drive_controller** in to simulate a **differential drive** in Gazebo**? Theoretically should work if the gazebo_ros_control (libgazebo_ros_control.so) plug in is used...
View ArticleSystemC processor in Gazebo/ROS?
I have to work on a drone which will be controlled by a given processor. I have a SystemC version of the processor, and I'd like to use it to simulate the control of the drone. I was wondering if this...
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