failed to resolve RegisterPlugin libdiff_drive_controller.so:undefined symbol
Hello all: I am a beginner to ros, and I met a problem when I am learning gazebo which is as followed: Error [Plugin.hh:147] Failed to resolve RegisterPlugin:...
View ArticleHow to set an intial joint state to a robot arm in gazebo
Is there a way to give an initial joint state to a robot arm in gazebo? (e.g. from the launch file setting)
View ArticleURDF Error: No valid hardware interface element found in joint
Dear all, I am fairly new to ROS and Gazebo. I am using ros-kinetic and gazebo7.3 on Ubuntu 16.04. I have been following this tutorial (http://www.generationrobots.com/blog/...) and have adapted it...
View ArticleHow to Run Multiple Gazebo Simulations with Unique Clocks
As a follow on to my previous question: http://answers.ros.org/question/241005/gazebo-topic-publication-issue-within-namespaced-group-tag/ I'm trying to run multiple Gazebo simulations on one machine,...
View ArticleGazebo blank/black screen (not responding)
Hello, I am a beginner at ROS and I tried today to run the gazebo for a start via ROS. I use ROS Jade. I ran at the start : roscore then in a new terminal I ran : roslaunch gazebo_ros...
View ArticleError: Unable to find odometry for model
Hi all, I am trying to simulate a car-like robot in gazebo with following frame tree: https://postimg.org/image/m31wz0st1/. When I run my launch file the following error occurs: [ERROR]...
View Articlegazebo-controller for car-like robot
Hello everyone, I can't seem to find a working controller for my car-like robot. This is the model I am using:...
View ArticleWhich combination of ROS distro, Gazebo & Tum_simulator ?
I want to use parrot ar drone for a project. So, I plan to download its simulator in gazebo, tum_simulator. I use Ubuntu 14.04 , ROS Indigo, and gazebo 2-2 (which is the default in indigo). --I checked...
View ArticleIs there a book that is best for learning gazebo?
Hi, I want to learn gazebo for turtlebots. But I am having difficulty finding the resources and documentation on turtlebots in gazebo. is there a particular book that I can buy to get in depth...
View ArticleSTRANGE ERROR! Unable to move Revolute Joints in Gazebo
I'm running : 1. ROS Indigo 2. Ubuntu 14.04 Trusty I'm simulating a 6DOF robotic arm using ros_control and using gazebo_ros_control plugins. I'm using Joint Position Controllers. I have set up the...
View Articledifferential drive gazebo ros plugin not working
Hello, i'm trying to build a simulation situation in which a mobile differential drive robot is controlled via keyboard input to terminal. So far i managed to get the keyboard input up and running. The...
View Articleerror loading gazebo_plugins models (Pioneer)
I get one weird error trying to load some of the samples/models provided in gazebo_plugins on Ubuntu 16.04 with ROS kinetic installed via official repositories. Particularly, for the...
View ArticleGazebo Crashing
I am facing a problem about Gazebo. It crashes when I run the code `roslaunch seven_dof_arm_gazebo seven_dof_arm_world.launch ` of chapter 3 given in the Book "Mastering ROS for Robotics Programming"....
View ArticleRestitution coefficient does not change
Hi all, I'm trying to change the restitution coefficient in Gazebo7, but still I can't make it. My URDF code is here: Ball: 0.1 0.1 0.10.1 0.1 0.10.50.01 Target: 0.1 0.1 0.10.1 0.1 0.10.50.01 And...
View Articleamcl_pose vs odom/pose
Hi, What is the difference between amcl_pose and odom/pose? I am running the gazebo simulator and making the turtlebot go from one point to another. The task completes without any issues. However, the...
View ArticleTurtlebot spinning in place + not going straight when speeding up simulation
Hello, As I show in the videos above, the Turtlebot is spins around itself a bit, which could affect the direction when I try to go straight. When the real time factor (simulation speed) is normal the...
View Articlepr2_gazebo crashes on launch
If I try to launch PR2 in simulation, e.g. with roslaunch pr2_gazebo pr2_empty_world.launch, it briefly appears but then immediately crashes with the message below. I'm using ROS Electric on Ubuntu...
View ArticleGazebo Camera Simulation Pause The Wall Time?
I would like to simulate 5 cameras in gazebo for my robot. I was wondering if Gazebo pauses simulation time to generate the images or lets the ros::Time increase as the image is generated. This would...
View ArticleGazebo amcl_pose rate
Hi, I am running a turtlebot in Gazebo and want to change the amcl_pose rate. Currently, when I type `rostopic hz /amcl_pose`, I get 1 or 2 messages like the following every 1 second: average rate:...
View ArticleTurtlebot-Gazebo-Demo: Gazebo sends wrong timestamps.
Hi all, I get some warnings when I start the turtlebot gazebo amcl demo. Here is the warning: Warning: TF_OLD_DATA ignoring data from the past for frame odom at time 1 according to authority /amcl...
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