Gazebo freaks when joints hit limits
I'm finishing up a gazebo plugin for servo control of joints. I've noticed that whenever a joint goes past the lower/upper limits defined in the urdf, that all joints in my model fly off to Neverland...
View ArticleTurtlebot (and other objects) unintentionally moving by itself in Gazebo
When I start a simulation of the Turtlebot in Gazebo, it is slowly moving by itself (linear and angular). If I check the 'odom' messages published by Gazebo, there is always a small twist (linear x und...
View ArticleDelay in JointStates
Hi I am working on ROS Kinetic with Ubuntu 16.04. I am simulating my robot with gazebo and ros-control however the terminal always shows this warning :: process[coro/joint_controller_spawner-1]:...
View ArticleHow to build a Subscriber to a gz topic (e.g. gz topic...
I want to write a Subscriber that subscribes to the gz topic /gazebo/default/physics/contacts to get the information if links or models are colliding. Is there a similar way to subscribe to a gz topic...
View ArticleROS bags + Gazebo synchronization issue
Dear all, I'm having an issue currently on trying to record some ROS bags to replicate some robot movements during a Gazebo simulation. I'm starting to record the referred bags after I start my...
View ArticleMoveit! trajectory not reaching till Gazebo
Hello, I'm trying to observe trajectory generated by moveit in gazebo for panda robot. I have done all the necessary configurations on Moveit side and gazebo side. My problem is when i press plan and...
View ArticleArm does not appear when using xacro to attach UR5 to Robotiq Gripper
I am trying to attach a Robotiq 2f gripper to a UR5 arm, but cannot get the two components to properly connect to one another. Following the tutorial...
View ArticleChange Gazebo origin coordinate
Hi, I need to integrate 2 robots in gazebo. The first one is an IRIS quadcopter with px4 in SITL. It works ok. It provide a topic (through mavros) called /mavros/global_position/local. It is the UTM...
View ArticleStart turtlebot world remotely from WIN10 with putty and xming
Hello, i want to start my launch file remotely. I am on a WIN10 or Ubuntu 16.04 system and the system where i want to start from is also an Ubuntu 16.04 system. I use ROS Kinetic with turtlebot...
View ArticleI cannot make gazebo_ros_vacuum_gripper plugin to work. Please help
Hello, I have a vacuum gripper in Gazebo simulation and I am trying to attach the gazebo_ros_vacuum_gripper plugin to make it work but without any success so far. My .xacro configuration is as follows:...
View ArticleWhat is the exact command to install gazebo7.11?
Hello ROS pros, Due to rendering issues, Gazebo 7.14 installed on my computer is not loading some of my models. I did search online and could not find the command to install Gazebo 7.11 only. Could...
View Articlecontroller_manager: how to avoid escalating to SIGTERM?
I implemented my own plugin controller (GPSURPlugin) similar to [this](http://wiki.ros.org/ros_control/Tutorials/Writing%20a%20new%20controller). The controller is spawned in a launch file like this:...
View Articleexact rotational speed of a wheel
hello there, i was wondering if there is a way of calculating or extracting the exact rotational speed of each wheel of a jackal from ROS or Gazebo. is there a topic containing this information? i need...
View ArticleHow to use custom OGRE materials in URDF in ROS Indigo that displays in Gazebo?
Hi everyone I want to create a custom OGRE material file, store it in my ROS Indigo package, and have my robot's visual in Gazebo use these materials. I don't want to use SDF (I know how to; in fact, I...
View ArticleDetect an object of a certain color and move to it
I'm using Gazebo 9.5.0 and ROS Melodic on an Ubuntu 18.04. I'm newbie with Gazebo and ROS, and I only need suggestions about how to do this: > Use a Pioneer3AT robot with a vision> system that is...
View ArticleWhy don't joints appear in poses for Robotiq gripper?
I'm trying to build a simulation in Gazebo for a UR robot along with a Robotiq 2F-140 gripper (ideally with ros-melodic), but when using MoveIt to generate config files for a the robot coupled with the...
View Articlestart gazebo simulation with non zero clock time
When gazebo start the simulation it publish clock time to /clock topic. Some package use that time as their timestamps. Is there a way to tell gazebo to start counting from another time? px4 firmware...
View ArticleGet Modelstate Information for Turlebot
Hello Guys, I run ros Kinetic with gazebo 7.0. My project is a turtlebot who should drive to several objects and try to push them away after a try he should drive to the middle of the room again and...
View ArticleHow exactly does ros_control work together with gazebo, Rviz, and the abb...
Hi, I am relatively new to ROS so forgive me for gaps in my knowledge. I am attempting to simulate, path plan, and control an ABB irb6640 with an S4C+ controller. Because the S4C+ controller has no...
View ArticleTurn off Gazebo recording from launch file
I'm using gazebo2 (2.2.3) and running a lot of simulations and I don't need the recording data so I'd like to turn it off. I'm using a launch file to start the simulator. How can I turn off recording...
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