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Questions tagged [pr2-controller-manager]

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How to turn off motors for selected arm joints on PR2?

I'd like to only turn off some of the arm motors. I basically want to mimic the effect of turning of the arm controllers for the PR2, except I still want to control the wrist flex and roll. Is there a ...
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robot_mechanism_controllers are not seen? (plugin crash)

I've been trying to get a crustcrawler smart-arm to work in ROS, first with gazebo. In this last attempt I stripped down the example started with roslaunch pr2_gazebo pr2_empty_world.launch But the ...
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Controller not loading for a custom model running existing controller

Hi Everyone, I am working on designing a custom robot, and getting it to work with a existing controller (namely the Joint Trajectory Action Controller). The procedure I followed is as follows: I ...
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Why doesn't the pr2_controller_manager see my controller?

Hi, I'm trying to run though the tutorials using ROS Groovy: http://wiki.ros.org/pr2_mechanism/Tutorials/Writing%20a%20realtime%20joint%20controller http://wiki.ros.org/pr2_mechanism/Tutorials/Running%...
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pr2_controller_manager pr2_controller_manager list

Hello all, When I execute: rosrun pr2_controller_manager pr2_controller_manager list Nothing happens, no info or warning messages, it just seems to hang. When I ctrl+c the operation I get this ...
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Is it possible to easily use ros realtime tools outside of the pr2_controller_manager?

I'm trying to get data from a ROS node at 100 Hz. Unfortunately, although the average is 100 Hz, it degrades sometimes to 25 Hz for a few samples. This wouldn't be a problem if it happened ...
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encoder for PR2 in gazebo

According to the tutorial of pr2_controllers : http://ros.org/wiki/pr2_controllers/Tutorials I can send a command and use the actionlib to control the controller, ...
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pr2_controller_interface inheritance

Hi everyone! Using a differential wheeled robot, I'm trying to clean up my controller programs : I used a controller for each wheel in two different package, whereas they are very very similar ! But ...
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Turtlebot simulation vs. pr2_controller_manager

Hi all, we have modified version of Turtlebot and right now I'm working on modifications to it's simulator. There is arm with dynamixel servos. I've added arm's URDF to robot description and I've also ...
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Gazebo dies when openning with PR2 controller

Dear all: I was learning arm_navigation, by reading the tutorials. In "Checking a state for validity", I should run : ...
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move_arm and arm_controller conflict over action interface message type

I changed in move_arm.launch from ...
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problems with a simple realtime joint controller in Gazebo

Hello, I'm trying to follow along with the Writing a realtime joint controller tutorial. I've got the class all set up, and I believe I've got it installed correctly using the plugin lib, as I can ...
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Model of Katana arm jumps around violently in Gazebo

I am modeling the Katana arm in Gazebo and use the pr2_controller_manager to control the joints. Everything works great except if I command a trajectory that (slowly) moves one joint past a certain ...
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Some recommendations to develop my own mechanism_model package

Hi Ros Community, I want to develop my own mechanism_model package to simulate and control in Gazebo. The actuators as you know are primates, but the rotational joints. Then I want you to give me some ...
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Joint publisher with empty velocity and effort vector

Hi, After reading the URDF and robot / joint state publisher related tutorials, I am able to see the joint messages published by the joint state publisher, but the velocity and effort fields are empty....
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It is allowed to change the update() method frequency for PR2 controllers?

I found the parameters /pr2_controller_manager/mechanism_statistics_publish_rate and /pr2_controller_manager/joint_state_publish_rate, but I didn't find anything that allows me to change the update() ...
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