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2017-03-01 15:21:25 -0500 | asked a question | Recommendations for buying Nvidia GPU Recommendations for buying Nvidia GPU Dear All, I have some plan to buy a Nvidia GPU, but as you know the support on Linux is ... though pages like this https://help.ubuntu.com/community/Bin... talks about installation, but in practice in many cases it fails and the Xserver won't start. I just wanted to ask you if you are using Nvidia GPUs, which model are you using? is it stable? what do you recommand to buy? I would appreciate if you could share your experiences (GPU on Ubuntu 14.04, Indigo) and guide me for buying. Regards. |
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2016-03-15 11:44:28 -0500 | asked a question | Differential drive robot slids in it place Dear all
using ros indigo, I have created a differential drive robot based on the When I try to move the robot it slids in its place, https://www.youtube.com/watch?v=a8ju5... I have set different values for mu1 and mu2 but that didn't help the problem, mass for wheel is 5 and for the chassis is 50. Any ideas? |
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2015-02-26 03:52:50 -0500 | answered a question | turtlebot position fluctuates Dear tfoote Thanks for your quick reply, the point that you mentioned solved the problem, but now when I set a 2D pose, the robot doesn't follow a straight line and as you can see in the video it starts rotating around itself (a very jerky movement instead of a smooth one) till it approach the goal. http://youtu.be/oVMhrz2vrUM |
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2015-02-25 18:26:04 -0500 | asked a question | turtlebot position fluctuates Dear All, Please have look on this video: http://youtu.be/MiTcy0rHY78 I'm running turtlebot gazebo simulator, but as you see the pose of robot has lots of error and fluctuates I have run the following: 1)roslaunch turtlebot_gazebo turtlebot_world.launch 2)roslaunch turtlebot_gazebo gmapping_demo.launch 3)roslaunch turtlebot_rviz_launchers view_navigation.launch 4)roslaunch turtlebot_gazebo amcl_demo.launch The position of the robot in gazebo is fixed, but the localized position in rviz is fluctuating between several points. what should I change to make the position of the robot stable? Many thanks and regards. |
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2013-07-12 02:40:03 -0500 | asked a question | Default value for joint_state_publisher_node Accroding to wiki page ros.org/wiki/joint_state_publisher default value of joint_state_publisher_node is zero, or if zero is not a permissible value, (max+min)/2. I'm working pr2 robot and for many joint 0 is not permissible, while joint state publisher is just publishing zero for all the joints, How can I make joint_state_publisher_node to publish (max+min)/2 for all the joints? |
2013-07-03 23:44:55 -0500 | asked a question | attached object doesn't appear in rviz ros groovy/ ubuntu 12.04 I'm working with moveit and I try to use "PlanningSceneMonitor" class. The goal is to attach an object to the hand of pr2 and then move the arm in some random pose. This is my problem: if I call planning_scene_monitor_ptr->startStateMonitor() (which is subscribed to "attached_collision_object" topic), attached object doesn't appear in rviz. |