ROS Gazebo URDF Joint Control works with position controller but not any...
Hello, I've noticed a few other questions of a similar nature usually having trouble with namespaces when trying to control joints in ROS Gazebo. I think I've got the namespaces down, but I'm having a...
View ArticleBanana rotates by itself in Gazebo, I don't know why.
I'm using gazebo7 in ubuntu16.04. I launch a bannana model in gazebo,everything is ok but the bannana will rotate slowly by itself. urdf below: Gazebo/Yellow launch file below: Here is the [workspace...
View Articleros c++ pause unpause gazebo
Hi, I want to control the gazebo simulation by c++. My core code is below: ros::ServiceClient pauseGazebo = n_.serviceClient("/gazebo/pause_physics"); std_srvs::Empty pauseSrv;...
View ArticleRviz2 and Gazebo dependencies conflict
Hi, what's the correct way for installing Gazebo in a system with ROS2 Crystal? The following instructions are not working at the moment $ docker run -it osrf/ros:crystal-desktop bash $ apt-get update...
View ArticleAfter loading the urdf model in gazebo, there is no `map` frame on the tf tree.
I defined a robot model with the `urdf` file, but after gazebo reads the urdf file, I check out the `tf` tree and find that there is no `map` frame on the `tf` tree. I wanna figure out how I can...
View ArticleIs it possible to run turtlebot3's lidar in Gazebo? I keep on getting an error
I am trying to use the lidar of my turtlebot3 in gazebo, but every time I run "roslaunch hls_lfcd_lds_driver hlds_laser.launch", I get the error below ... logging to...
View ArticleUR5 Can't accept new action goals. Controller is not running.
straight dump of log: [rospy.client][INFO] 2019-04-03 22:19:28,946: init_node, name[/spawn_gazebo_model], pid[8891] [xmlrpc][INFO] 2019-04-03 22:19:28,947: XML-RPC server binding to 0.0.0.0:0...
View ArticleProblem with updating bot`s position while using slam gmapping module
I just want to check the efficiency of gmapping module and designed a little experiment. I have created a 3D environment(a maze) using blender and imported it into Gazebo by creating an sdf with the...
View ArticleSetting up Navigation on Tricycle
Hello! We are designing a three wheeled robot, with the front wheel which act both as traction and steering. For the Gazebo simulation we used the...
View ArticleUnderstanding PX4/ROS Gazebo sim
I'm interested in developing some autonomous drone software for a fun personal project and I thought it would be good to do some simulations using Gazebo. After doing some research it seems like the...
View ArticleCan I set initial joint positions in Gazebo/MoveIt via configuration?
Hi All I have a urdf description for a robot which includes two Universal Robot UR5 arms, but the default configuration with all joint angles at 0 results in a self-collision. Can I set the initial...
View ArticleAny ready made Swerve drive controller available?
Hi all, I was wondering if you can suggest me any ready-made four independent wheel gazebo ros controller (Swerve drive) available. I am aware of the four_wheel_steering_controller...
View ArticleWhat are frames? Where are they?
I'm using Ros Melodic, Gazebo 9.7.0 in an Ubuntu 18.04. I don't understand frames. Where I can find more information about frames? Especially for world frame. If I'm using ROS and Gazebo, where is the...
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 ArticleHow to use openni_camera for turtlebot_gazebo world?
Hi there, openni_launch and openni_camera can't detect my simulated turtlebot kinect sensor. How to use kinect sensor in turtlebot_gazebo? and how to visualize point cloud data for simualted turtlebot...
View ArticleArdrones are unable to takeoff after launching in gazebo.When i tried to...
Here's my launch file : and Iam getting errors like this in roswtf: WARNING These nodes have died: * ardrone_2/spawn_robot_ardrone_2-7 * ardrone_1/spawn_robot_ardrone-4 *...
View ArticleImprove map created by Gmapping
Hi All, I implemented Gmapping algorithm for a featureless tunnel/pipe environment. Since LiDar/camera are not that effective in these environments, stable odometry is the prime data that can be used...
View ArticleGazebo hangs at /gazebo/set_physics_properties
Hi! I'm trying to launch the turtlebot2 example at https://bitbucket.org/theconstructcore/openai_examples_projects/src/0916e3b1f1b21ad5ff8ba7a50462aba997cd711b/?at=tutorials, kinetic branch on my local...
View ArticleUsing Gazebo world objects with MoveIt
Hi, I'm trying to figure out how to use the objects from a Gazebo scene for motion planning in MoveIt (and RViz). I've done research and found this...
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