Mobile robot with fixed kinect - Navigation with/without AMCL?
Hi! Currently I have a dif_wheeled_robot and a kinect inside Gazebo (these are separate "robots", not connected by any joint). The diff_wheeled_robot has it's own scanner, has an AMCL launch made etc....
View Articlequaternion.proto: File not found while installing gazebo
I get the following error while trying to run PX4 Firmware Simulation using make posix_sitl_default gazebo> make[5]: warning: jobserver> unavailable: using -j1. Add `+' to> parent make rule....
View ArticleHow to create a caster wheel (Urdf model)
I have built a 2 wheel robot and I have been trying for hours to put a correct caster wheel on it. I followed the logic of this...
View ArticleSpawn urdf-model in gazebo
Hello, I am trying to spawn my urdf-model in gazebo, so i have created the urdf-file in ~/catkin_ws/src/robot_description/src/urdf and the model.config file in ~/catkin_ws/src/robot_description/src...
View Articleturtlebot not moving with teleop in indigo
I did a fresh install of Ubuntu 14 and ROS Indigo today so I could get going with Turtlebot. I'm using Gazebo 2.2.3. I am working through the turtlebot tutorial, and so far everything is fine to this...
View ArticleProblem publishing at cmd_vel
Hello, I have written the following code so I can send commands to my robots motors, which are listening to the `/labrob/cmd_vel` topic: #include "ros/ros.h" #include "geometry_msgs/Twist.h" int...
View ArticleGet depth from Kinect sensor in gazebo simulator
I'm trying to find a specific pixel's depth of `/depth/image_raw` topic that is published by Kinect sensor mounted on **Turtlebot** robot. It's what I get: www.uppic.com/do.php?img=97090) (Sorry I have...
View ArticleQuestion about odometry
Hello, I want to use my odometer on my virtual 3wheel robot and I have managed through this code:...
View ArticleGazebo topic publication issue within namespaced group tag
ROS Kinetic Gazebo 7.0 RedHat Linux I'm running into an issue with a roslaunch file that attempts to start a Gazebo node within a group tag that has the namespace parameter set. The Gazebo node appears...
View ArticleAdding noise to P3DX model
Hi Ros users: I am trying to add gaussian noise to velocities of P3DX. The model that I am using is from this source https://github.com/RafBerkvens/ua_ros_p3dx I have modified this part of code:...
View ArticleHow to create a waypoint in a simulation generated with the tum_simulator...
The tum_simulator package allows to simulate a ardrone in gazebo. I want to create a control package allowing me to set waypoints in this simulation and see the drone moving between them. Possibly also...
View Articlerun c++ code on Gazebo simulator
so i have this c++ code https://github.com/erlerobot/ros_erle_takeoff_land/blob/master/src/main.cpp#L21-L24 and I want to run+test it on Gazebo simulator, any idea how can I do this I have ROS indigo...
View ArticleTF tutorials question
Hello, I am new to tf and in ros in general - so some follow up questions may rise. My main questions will be marked with **bold**. I have built a 3 wheel robot on which I have put a lidar...
View ArticleUsing Gazebo 5 to simulate a robot, how do I add more noise/drift to the...
I'm trying to measure the performance of AMCL under changes in Lidar specs, such as max range, update frequency, FOV, and other things. But it turns out that in simulation from gazebo that odometry has...
View ArticleCould not start gazebo or Rviz on ROS preinstall virtual machine
Dowloaded the nootrix preinstall ROS indigo igloo virtual machine. Everything working fine apart from gazebo and rviz. The preinstall has a gazebo 2 by default and I am willing to work on the same...
View ArticleHector_Slam (Autonomous Navigation)
Hello, I am new to navigation and generally in ros and I am trying to use hector_slam metapackage for autonomous navigation. I am using ROS Kinetic. I have a 3 wheel robot with a lidar on which I have...
View ArticleRobot fixed in centre, changed shape.
Hey, I've been using 25 robots of the same type in a swarm simulation in Gazebo 2.2.3 on ROS Indigo. After about an hour of simulation at least half the robots are fixed in the centre and I cannot move...
View ArticleGazebo plugin to subscribe to nav_msgs/Odometry messages
Hi guys I have written a publisher to send Odometry messages to my topic "/robot_poses". The goal is to be able to control the movement of my robot in Gazebo. As such, I'm looking for a plugin I can...
View ArticleWhere can I find urdf and plugin code to simulate mecanum wheels in gazebo
Where can I find urdf and plugin code to simulate mecanum wheels in gazebo?
View Articleproblem with gazebo_urdf_spawner
Hey, I am trying to build an Ackermann model based on the CAT vehicle package. Since today I get the following error when I try to spawn the model via a launch file, even though it has worked before...
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