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| 2012-07-13 09:29:42 -0500 | asked a question | PR2 sensing question HI, I am using Fuerte on Ubuntu 12.04 and have some trouble figuring out how to implement color sensing on my code. I want PR2 to distinguish a red block and a blue block but I can't find any relative code in the libraries. I found out that in the pick_and_place_manager.py, there is a call_tabletop_detection, which detects graspable objects by numbering them starting from zero relative to the distance of the block from the edge of the table. Can anyone help me how I can make PR2 distinguish red block and blue block by any method? |
| 2012-06-29 06:22:46 -0500 | asked a question | pr2 (gazebo simulator) gripper not strong enough Hi, I am using ros-diamondback and gazebo for pr2_simulator. My problem is that if I do roslaunch pr2_tabletop_manipulation_launch pr2_tabletop_manipulation.launch rosrun pr2_pick_and_place_demos pick_and_place_demo.py the gripper is not strong enough to hold on to the graspable object, and it drops the object before it finshes the task. When I was using Fuerte before, I didn't have this problem. Can someone teach me how to fix this? |
| 2012-06-21 05:50:26 -0500 | asked a question | Tabletop detection returned error code 2 Hi. I am running ROS Fuerte on Ubuntu 12.04. I am trying to do a simulation of tabletop manipulation on gazebo, but it seems like it is not working, creating this error when I try to run the pick_and_place_tutorial.cpp (from the pick and place manager tutorial). Can someone help me figure out this problem? Thank you. |
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