Changing tf_prefix for a gazebo plugin?
Hello all, I'm working on a gazebo simulation for multiple husky robots and I'm running into some problems with my tf tree. To set up the simulation, I'm launching each robot in a unique namespace...
View ArticleAny suggestions for combining scans of different frequencies?
I'm combining two scans, one extracted from a depth camera, and the other from a 2D LIDAR. But I'm getting some jitter from the depth camera's scan's contribution. I suppose it's to be expected when...
View ArticleFootprint is inflated randomly on Gazebo
Hi everyone, My robot's footprint is inflating on some sides. In a screenshot below, it inflated from its left and back. At the beginning, `base_footprint` is normal on gazebo. Does anyone know, why...
View ArticleHow to lock rotation of the object?
I'm developing quadrotor drone in Gazebo and now I want to limit rotation of my virtual drone. So I want to limit it's movement so that it could move through line or in plane. In other words I want to...
View ArticleRTAB-Map with Turtlebot Navigation for a Known Map
Hi, I am using rtabmap_ros on a Turtlebot in Gazebo. I have successfully created the map with RTAB-Map. Now, I would like to do the navigation with a known map. You can see my launch file...
View Articleros_control fails (couldn't find the expected controller_manager)
Hi! I am trying to run a custom **humanoid robot (foo) in Gazebo**. I have the urdf running correctly (in Rviz and Gazebo the robot spawns without problems. However i am not able of doing the correct...
View ArticleProblem with moveit_commander interface; trying to plan trajectories for ur5...
Hello, I apologise in advance, for I am very new to programming with ROS. I have been trying to connect to a simulated ur5 through gazebo and control it in python using the moveit_commander interface....
View ArticleGazebo projectors only work on links connected with revolute joints?
I have a work-around for some very unexpected behavior with using projectors in Gazebo, I'm posting some findings here so searches can find it before probably creating a bug report. So far what is...
View ArticleSetting an Odometry Offset for robot_localization
Hello all, I'm running a husky simulator with multiple robots, so each robot is starting in a different place. However, when I start each robot, the initial position is not reflected under the...
View ArticleProblem with Gazebo initialization
I'm trying to simulate an UAV with Gazebo, but it "falls down" when I start the simulation. What might be the cause?
View ArticleApply a body wrench in a local frame in a link
Hi everybody, I am trying to apply a body wrench to a simple gazebo model written in SDF. I am running Ubuntu 14.4, with Gazebo 6 and ROS indigo. I am applying this wrench by calling the rosservice...
View Articlepr2 joint state not publishing
Hi everyone, I'm pretty new to ROS and I am trying to follow the tutorial on using the pr2 model with gazebo: http://wiki.ros.org/pr2_simulator/Tutorials/WorkingWithGazeboOverRos When I fire up the...
View Articlehomebrew: Failed to detect successful installation of [gazebo]
I had ROS Hydro installed and uninstalled in to install ROS Jade. During the install I'm getting an odd error. I'm being told that gazebo i already installed but that it can't be detected. How do I get...
View ArticleGazebo with multiple odometery frames
I have been trying to put together a multiple (n=2) Husky robot simulation for testing purposes. I am struggling with getting the namespaces and tf_prefixes setup in a consistent way. Following...
View ArticleHow to use OpenCV to process image
Hi! Everyone! I'm a beginner of ROS, and now I've been focusing on imaging processing on ROS, My robot is Turtlebot, and I use the kinect as the camera, so basically what I need to do is to find the...
View ArticleA more risk taking move_base
I am using turtlebot gazebo simulation. I launched the turtlebot_world, demo_amcl and demo_gmapping launch files. I am sending goal positions to the turtlebot using a custom node that sends the...
View ArticleHow to use Gazebo2 internal topics?
I want to use the internal gazebo topics for getting sensor data from the Gazebo simulator, but only links and model topics are available outside gazebo. How to use the gazebo's internal topics?
View ArticleHow to get gazebo topic using c++ and ros ?
Hi, I am using ROS, gazebo and c++ together to perform some tasks. In gazebo I launched "turtlebot_world.launch. It published " /gazebo/default/pose/info " which gives the information of robots...
View ArticleSDF to URDF conversion
Hello everyone! I am starting from scratch with ROS (just recently installed Jade) and I wanted to ask for some guidance. I have followed all basic ROS tutorials already and my idea was to develop a...
View ArticleURDF and SDF?
Hi All, I've seen a bit of discussion about URDF and SDF here and I thought I'd ask the broad question before I try to learn either of them. I am developing a natural language processor to split these...
View Article