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2021-12-10 22:46:22 -0500 | commented question | How to use the gmapping SLAM Algorithm correctly? Gmapping works by estimating the transform map -> odom. This is used to correct the error in the odom->base_link t |
2021-12-10 04:22:30 -0500 | commented answer | How to merge two LaserScans to one LaserScan with different frame_ids Which algorithm are you using? Most algorithms will allow you to set the reference frame as a parameter in the launch fi |
2021-12-09 06:54:23 -0500 | commented answer | How to merge two LaserScans to one LaserScan with different frame_ids why don't you create a new frame at the mid-point between the two laser scanners and use it as a reference for the merge |
2021-12-09 05:30:18 -0500 | answered a question | How to merge two LaserScans to one LaserScan with different frame_ids This can be achieved using the Laserscan_merger from the ira_laser_tools package. This will allow you to merge the two s |
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2021-11-22 03:41:41 -0500 | commented question | Mapping in slam_toolbox using bag files (ros2) The fact that slam_toolbox wouldn't integrate this functionality as it is useless totally flew over my head. Glad you ma |
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2021-11-21 20:53:47 -0500 | commented question | Mapping in slam_toolbox using bag files (ros2) I interpret from the above image, that slam_toolbox is publishing the map->odom transformation with the curr |
2021-11-21 20:51:14 -0500 | commented question | Mapping in slam_toolbox using bag files (ros2) I interpret from the above image, that slam_toolbox is publishing the map->odom transformation with the curr |
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2021-11-20 13:45:45 -0500 | answered a question | turtlebot2,gazebo and 3D SLAM I am basing my answer on this turtlebot repo and this RGBDSLAMv2 repo. All you need to do is to subscribe to the rgb an |
2021-11-20 13:25:23 -0500 | commented answer | What difference between SLAM locating and AMCL locating @wyfeng2013 that's corrent. restarting your SLAM algorithm will start mapping from the beginning. Yes, I was referring t |
2021-11-20 13:25:07 -0500 | commented answer | What difference between SLAM locating and AMCL locating @wyfeng2013 that's corrent. restarting your SLAM algorithm will start mapping from the beginning. Yes, I was referring t |
2021-11-20 03:25:44 -0500 | commented answer | What difference between SLAM locating and AMCL locating A SLAM algorithm will keep updating its map until you kill the node. The saved map (using the map server) can later be u |
2021-11-20 02:40:04 -0500 | answered a question | What difference between SLAM locating and AMCL locating SLAM is simultaneously localizing and creating a map of the environment. AMCL is localizing based on a prior map. Moving |
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2021-11-19 07:56:01 -0500 | commented question | Transformation from A to B frame problems Can you share your rqt_tf_tree output, code for transformation as well as the visualization in rviz? |
2021-11-19 07:55:33 -0500 | commented question | Transformation from A to B frame problems Can you share your rqt_tf_tree output as well as the visualization in rviz? |
2021-11-19 07:31:10 -0500 | commented question | turtlebot2,gazebo and 3D SLAM Do you have your simulation up an running with the rgb-d camera mounted to the robot? |
2021-11-19 06:25:29 -0500 | commented question | turtlebot2,gazebo and 3D SLAM If you have the robot up and running in gazebo, you can subscribe to the camera topic in your SLAM node and it will work |
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2021-11-17 14:10:09 -0500 | edited answer | convert std_msgs/Time to float You can access the individual members of the time data structure and convert the result into seconds as follows time_se |
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2021-11-17 14:09:45 -0500 | answered a question | convert std_msgs/Time to float You can access the individual members of the time data structure and convert the result into seconds as follows time_se |
2021-11-17 13:59:09 -0500 | answered a question | Setting up odometry on physical bot Depends on the robot's kinematics. For a differential drive robot model, the odometry frame should be set at the mid poi |
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2021-11-17 09:04:16 -0500 | marked best answer | [Gazebo] child link "base_link" not found (World -> UR5) I am working on a Gazebo simulation of a UR5 with a Robotiq 2f gripper (ROS Melodic + Ubuntu 18.04) and created my xacro file by loading the ur5 description, creating a world link and attaching the world link to the base_link of the robot as follows: </robot> I then used moveit to create custom configuration and whenever I try to launch the gazebo simulation (gazebo.launch) I get the following error: I tried removing the tcp link and rerunning the configuration, but again I end up with another error connecting to the robot itself: In order to debug this problem, I checked my xacro file with the check_urdf command and the result looks fine Finally, I ran rviz and the robot is correctly visualized and fully controllable Any leads on how to ... (more) |
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2021-11-17 08:33:19 -0500 | commented answer | [Gazebo] child link "base_link" not found (World -> UR5) Thank you for your help! you definitely pushed me to disect my xacro file a bit more. :) I cannot accept my own answer a |
2021-11-17 05:30:46 -0500 | answered a question | [Gazebo] child link "base_link" not found (World -> UR5) So I figured out the problem in case anyone is facing the same issue. Inside the launch file genereated by moveit I had |
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2021-11-17 05:21:23 -0500 | commented question | [Gazebo] child link "base_link" not found (World -> UR5) Doesn't seem to be the problem. I stripped down my model and only kept this part <xacro:include filename="$(find ur_ |
2021-11-17 05:20:42 -0500 | commented question | [Gazebo] child link "base_link" not found (World -> UR5) Doesn't seem to be the problem. I stripped down my model and only kept this part <xacro:include filename="$(find ur_ |
2021-11-17 02:23:25 -0500 | commented question | [Gazebo] child link "base_link" not found (World -> UR5) I had a look through the source code and it seems he is calling ur_upload.launch to spawn the robot which in turn is cal |
2021-11-16 19:15:55 -0500 | asked a question | [Gazebo] child link "base_link" not found (World -> UR5) [Gazebo] child link "base_link" not found (World -> UR5) I am working on a Gazebo simulation of a UR5 with a Robotiq |
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