Multiple robots simulation and navigation
###How to launch multiple robots in gazebo simulator and how to setup navigation stacks for such a simulation?### There were already some questions and answers for the subject, like:...
View ArticleJoint origin vs Link origin
Hello. I was building a Xacro model for a robotic arm in Gazebo. I am confused about the origin tags of link and joint. What is the difference ? how can I determine the perfect values for both ?
View Articlegazebo and timer.py(rate.sleep)
Hi I'm running yappi to profile the performance of my node written in python. The node has: - 3 timers for controller loops. (2 at 500Hz and 1 at 100Hz) - 2 publisher (60Hz for /gazebo/set_model_state...
View ArticleHow multiple robots share a map?
I was following the instruction in this post https://answers.ros.org/question/41433/multiple-robots-simulation-and-navigation/#261902 and I was able to launch 3 robots in the environment. the only...
View ArticleGazebo kinect does not generate point cloud for entire object
I have simulated a gazebo kinect camera on the end-effector of a manipulator. Here is the plugin for the...
View ArticlePass parameters to xacro from launch file, or otherwise
Is there an example anywhere of how to actually pass a value from a launch file to the xacro files? I found a number of things here and there, but nothing clear as to what you need to do in the launch...
View ArticleHow multiple robots share a map?
I was following the instruction in this post https://answers.ros.org/question/41433/multiple-robots-simulation-and-navigation/#261902 and I was able to launch 3 robots in the environment. the only...
View ArticleHow to use depth_image_proc
I am running gazebo 7, ubuntu 16.04, ROS kinetic. I've attached a kinect depth camera to the end effector of a UR5. I want to be able to take the data from image_raw and convert it into readable...
View Articlekuka kr10r1100 sixx "floats" above ground_plane in Gazebo
I'm trying to simulate kuka kr10r1100 sixx in Gazebo - so far everything works great except that the robot spawns above the ground plane - i.e. it has an offset from the origin but only in the z axis...
View ArticleUsing Gazebo Plugin with .h File Type
I tried compiling a Gazebo plugin that is a header file (with .h file extension), it says: CMake Error: CMake can not determine linker language for target: gazebo_ros_moveit_planning_scene CMake...
View ArticleMove ur10 with ROS topic
Hi, with my project I'm trying to move the ur10 robot and I've attached a 3-finger gripper at the end-effector. I've already found some documentation on how to move it giving values to the joints,...
View ArticleHow to get a ground truth yaw angle or odometry from Gazebo?
I need to do georeferencing with point clouds on Gazebo so I use navsat_transform_node to convert gps to odom information as odometry/gps and I use ekf localization with "odometry/gps" and "imu/data"...
View ArticleStatic Map corner at origin for Navigation Stack
Going through the tutorials for the ROS Navigation stack, using a static map generated through gmapping. This is done on a simulation. When to robot is initialized, it is located at the origin. I...
View ArticleGazebo model stuck in ground after enabling joint controllers
Hi there. I am struggling with getting my RC Car model to work properly with Gazebo. I have followed both the Gazebo and ROS tutorial on how to create the URDF (XACRO) files and the required Gazebo...
View ArticleSome problems about the simulation of Kinova
Hello! I have some problems about the simulation of Kinova.I use it on ROS indigo in Ubuntu14.04. When I follow the tutorial for simulation, *** roslaunch j2n6s300_moveit_config...
View ArticleWhy my model URDF doesn't appear in Gazebo?
I am a beginner in ROS. I have a problem - I can't spawn my robot model into Gazebo. As in the title. When I use "roslaunch tortoise.launch' the Gazebo opens but it's just empty world, without robot....
View Article"WARNING: no messages received and simulated time is active. Is /clock being...
Running ubuntu 16.04, ROS kinetic, gazebo 7. Trying to implement a force torque sensor model into a sawyer robot. Model was successfully implemented, but plugin doesn't publish any data. I get the...
View ArticleProblem with braccio arm motion planning using MoveIt
Hello, I am trying to add motion planning support to the braccio arm using MoveIt. The model is properly loading in RViz. But not loading properly in gazebo. When I try to do motion planning using...
View ArticleWheel slippery, wrong direction and not straight
Hi, created a differential drive robot with a ball caster. Tried to set mu1 and mu2 values of the wheels to values >1 and <1 for the caster. But the robot stands still and the wheels are...
View ArticleRVIZ: Wheel transforms not turning when using joint state controllers
I have an RC car in Gazebo made up of several links and joints. The two front wheels are attached with a steering joint (revolute) and all wheels are attached with continous joints. On the front wheels...
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