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Questions tagged [dynamixel-controller]

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ROS2 Controller to send torques

I have been working on a self balancing robot and would really appreciate some help, I would like to know how to send torques to motors with ros2 control, I'm using dynamixel x motors.
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Dynamixel X with OpenCM 9.04C and ROS possible or OpenCR/U2D2 need?

Dear all, I plan to build a robot arm with Dynamixel X servos. I also want to use ROS tools and drivers for the servos. I found there is a cheap OpenCM 9.04C Controller board (~20USD) available, also ...
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Do Dynamixel Servos give position feedback in velocity control mode?

Some of these servos have as high as 4096 positions/revolution accuracy (0.088°). So I think if I command it to go to a particular position, say 100°, the actual position will be between 100.088° and ...
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Using Dynamixel Motors on Kinetic

I am trying to use Dynamixel motors on ROS-kinect. I am giving this command. khan@ubuntu:~$ sudo apt-get install ros-kinetic-dynamixel-motor and getting this ...
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Dynamixel multiple motor speed controller

I would like to control some dynamixel motors (namely MX 28 and MX 64) by there speed while not using 'goal_position'. In the documentation is mentioned the Wheel Mode (by setting ...
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dynamixel_control no motor found /dynamixel mx-64AR, usb2dynamixel

Hi guys, I am trying to use the new robotis servo: dynamixel MX-64AR, but I cannot find the servo both in win8 and ubuntu 14.04. in win8, I tried to use RoboPlus Wizard to search all the bps, nothing ...
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dynamixel_controller update rate

hi, I interact with dynamixel motors using dynamixel_controllers. Is it possible to make the servos sending feedback at different rates ? For example i want the legs of the robot to send feedback more ...
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Dynamixel & joint_state_publisher

I am trying to set up a pan/tilt base with two Dynamixel servos and I would like to use joint_state_publisher with robot_state_publisher to publish the transforms (and maybe even control the joints ...
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How can I subscribe joint_controller/state from dynamixel

Hi, I write the following code to subscribe . How can I get the current pos data. ...
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How can I move my arm to a specified point in space using moveit

Hi, Recently I am learning about moveit package . And I am created a move-it config package. I want to move my robotic arm (real hardware) to specified point in space (inverse kinamatics calculation). ...
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How to create a ros-dynamixel controller?

Hi, I am created an robotic 7-DOF arm using Robotis dynamixel servos. How can I able to control dynamixel servos from ROS. I am not find full documentation of it. Can any one help me. Thanks in ...
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dynamixel torque controller does not move ax12 servo

Hi, I would like to get torque control running on an AX-12 (final goal is to get a zero torque controller, so that the axle can be moved freely with less friction than the torque_disable mode) Using ...
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Dynamixel_controller problem

I am trying to control a dynamixel ax-12 servo by using ROS, I followed the tutorials and the answer to this same problem here: http://answers.ros.org/question/12336/dynamixel-controller-problems When ...
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Dynamixel Controller Problems

Currently I am running the AX-12 servo with the Dynamixel_controller package. I can successfully initialize the servo following the tutorial found here. When I attempt to start the controller it ...
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Trouble with dynamixel_controller

Greetings, I am attempting to use the dynamixel_controller stack to control an ax-12 servo. When I attempt to launch the node I get an error stating "Could not open port /dev/ttyUSB0 [Errno 2] no ...
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