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...
View ArticleDynamixel_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...
View ArticleTrouble 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 such...
View Articledynamixel 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...
View ArticleUnable to start controller tilt_controller
I am trying to follow the Dynamixel motor tutorials. I receive and error when trying to run the command `roslaunch my_dynamixel_tutorial start_controller.launch`. The launch file starts to process the...
View ArticleHow can control a arm(hardware) using moveit
Hi, We are created a 7-DOF robotic arm using Dynamixel servos. And I am created its URDF model and moveit-config-pkg (using the tutorial http://moveit.ros.org/wiki/PR2/Setup_Assistant/Quick_Start ).And...
View ArticleHow 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 advanse
View ArticleHow 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)....
View ArticleHow can I subscribe joint_controller/state from dynamixel
Hi, I write the following code to subscribe . How can I get the current pos data. import rospy from dynamixel_msgs import JointState def callback(data): print "callback" print data def listener():...
View ArticleDynamixel controller joint/state publisher stops working
I am created a dynamixel controller in ROS . Then I launch controller_manager.launch after some time(1/2 minuts) It gives the following error message [INFO] [WallTime: 1388053380.239828]...
View Articledynamixel_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...
View ArticleHow control dynamixel in wheel mode from ros hydro?
Hi, I am controlled dynamixel in joint mode from ROS. Do you have any experience with wheel mode in ROS. I am using ros dynamixel.
View ArticleDynamixel & 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](http://wiki.ros.org/joint_state_publisher) with...
View Articledynamixel_controller : meta controller not starting...
I am following procedure as per tutorial link : http://wiki.ros.org/dynamixel_controllers/Tutorials/Creatingmetacontroller while running " start_meta_controller.launch" It cannot able to detect the...
View Articledynamixel_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...
View Articledynamixel_controllers
i try to change the cw/ccw angle limits permanently to set the servo to wheel mode. I have to change the value of both to 0 for this operation type. When i changed the limits in the terminal with the...
View ArticleHow tilt_controller works?
I was working though the tilt_controller here: http://wiki.ros.org/dynamixel_controllers/Tutorials/CreatingJointPositionController and I was wondering how you give it a specific angle to go to?...
View ArticleNo motors found!
I am not able to overcome this error for sometime now. There are similar questions but none of them have been able to solve my problem of "No motors found". Here's the error message that ROS gives...
View Articledynamixel_controllers problem
**Hello,I am trying to follow the Dynamixel motor tutorials. I receive and error when trying to run the command roslaunch my_dynamixel_tutorial start_controller.launch.** self.diagnostics_pub =...
View ArticleMotor controllers for ROS navigation
What are all the alternate motor controller platforms available for dynamixel controller in lower cost. Since dynamixel controllers are costly i am ready to compromise with accuracy. My requirements...
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