Using ROS2 for autonomous driving
I am currently developing a prototype for a simple autonomous function using ROS2. However, I do not dive deep into the ROS2 functionalities rather I am exploiting the DDS functionalities. To have a...
View ArticleRange of acceptable positions relative to a link
Hi I have a Gazebo simulation of a robot arm with a parallel gripper (PhantomX Pincher Arm). Because grasping objects in Gazebo is sadly not really realistic or easy, I want to check if the gripper is...
View ArticleCamera plugin error (VirtualBox, Kinetic)
As I try to echo the image_raw topic of the camera, the simulation crashes: rostopic echo /robotino/camera1/image_raw WARNING: no messages received and simulated time is active. Is /clock being...
View ArticleOctomap for Dynamic Mobile Obstacles
Hi there, I am using ROS Hydro, Rviz and Gazebo 1.9 for simulating 2 Husky A200 in a highway scene. My aim is to simulate autonomous driving husky such that one Husky can use Octomap or some Occupancy...
View ArticleTexturize robot consisting of STL-files
I created robots links with CATIA exported them as STL an constructed my own robot with URDF. Now I'm able to move my little mobile robot around the world in Gazebo. Yeah. Then I mounted an Universal...
View Articlelots of nan data when convert pointcloud2 to pcl::PointXYZ
HI all, I use Ubuntu 14.04 LTI with ROS Indigo. Then I simulate kinect in Gazebo: 20${60 *...
View ArticleContinuous Jerks during Cartesian Planning
Hi I am using ROS Indigo on Ubuntu 14.04. I am trying to move a 7 axis manipulator arm in Cartesian path in only "-X" direction, in small steps keeping the step size constant (0.0001 m). However I am...
View ArticleHow to start pr2 model with its grippers opened
I am working on multiple simulations with the pr2 model in ros and gazebo. I was able to find how to define the starting pose of the pr2 model by modifying the pr2_no_controllers.launch file, replacing...
View ArticleVelodyne VLP 16 plugin
hi, I'm trying to run Velodyne VLP 16 in gazebo , I want to understand how it works, how many points per second we have, and and i want to know if the time of the simulation is the same of the real...
View ArticleIs it possible to simulate reflector tapes in ROS-affiliated simulators?
Hi all, I have been developing a project to detect reflector tapes with laser scan, and wonder if it is possible to simulate, if not objects of distinctive reflected intensities, laser scans with...
View ArticleGazebo-7 is slower than gazebo-2
I run the same Baxter robot simulation in gazebo-2 with ros-indigo and gazebo-7 with ros-kinetic. But the simulation in gazebo-7 is much slower than gazebo-2. In gazebo-2 if I set the real time update...
View Articleissue with odom and tf with gazebo simulation
I'm creatig a four wheel robot. I can simulate it and pilot it with a joystick and everything woks fine until this point. However, I'm facing issues with gmapping. When I start it, I got the following...
View Articlegazebo velocity controller
I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car, I tried to use the velocity controller in the ros_control to control my car front wheel and rear wheels...
View ArticleAdding a camera to a model in Gazebo? (Beginner)
Hello! I am very new to using things like Gazebo and ROS. I was wondering about how one might take a model from Gazebo (like turtlebot or quadrotor) and attach a camera to it, and see the feed? My...
View Article‘SensorManager’ is not a member of ‘gazebo::sensors’
As said in the title I am getting thrown the following error:‘SensorManager’ is not a member of ‘gazebo::sensors’ I am running ROS Kinetic with Gazebo 7 on Ubuntu 16.04 My GCC version is "gcc (Ubuntu...
View ArticleProfiling ros_controllers with Valgrind / Callgrind
Hi, I'm trying to proifle my controllers written in the ros_control framework in Gazebo. To this end, I added the following argument in gazebo_ros/launch/empty_world.launch: ``` launch-prefix="valgrind...
View ArticleWhere does RViz/MoveIt get the link position
I'm currently trying to get the `universal_robot` package with UR5 running in Gazebo and RViz under Melodic (see also https://github.com/ros-industrial/universal_robot/issues/374). In the issue above I...
View ArticleSkeleton tracking using PointCloud2
Hi, I'd like to implement movement transfer from a human demonstrator to the robot. In order to do so, I firstly need skeleton tracking. Because I can't use a RGBD camera directly, I would either use...
View ArticleHow to use SDF with ROS packages in gazebo?
Using ROS Indigo and Gazebo 2.2 on Ubuntu 14.04 I have created a model for a robot that is similar to Clearpath's Jackal. What I am trying to do is have the already-created Jackal packages apply to my...
View ArticleWhen launching simulator Error:Invalid tag: turtlebot_description
Hi guys I'm trying to run turtlebot with Gazebo(empty_world) but none of them were working Need help!!! this is Output when i run this command roslaunch turtlebot_gazebo turtlebot_empty_world.launch...
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