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Found 4 results

  1. EugVal

    Gripper failed to calibrate

    Hello, In our lab we have the Baxter two finger gripper attached to a Sawyer. In the past couple of weeks , using the gripper_keyboard.py example in the intera_examples (from the intera_sdk ROS packages, https://github.com/RethinkRobotics/intera_sdk/blob/master/intera_examples/scripts/gripper_keyboard.py ) has been throwing the following error : "Calibration failed.". It is unclear why this has started happening after a couple of years of operation without issue. This is a problem because we then cannot use the gripper (The error happens in any script when instantiating the Gripper class in the intera python api for the first time : https://rethinkrobotics.github.io/intera_sdk_docs/5.1.0/intera_interface/html/index.html ). We noticed that running the gripper_keyboard.py over and over again generally results with it finally working after some time. Moreover, once it works, then it is not a problem again until the robot is rebooted. Any ideas what could be happening or how we could fix this? We are starting to suspect a hardware malfunction. Many thanks
  2. A new issue has risen. The issue is running the example programs, as none of the example programs work even after using the "enable" command. $ rosrun intera_interface enable_robot.py -e For example the " rosrun intera_examples joint_torque_springs.py " example does not move the robot to a "neutral pose" or even the " rosrun intera_examples camera_display.py " the terminal returns with splay.py Initializing node... [WARN] [WallTime: 1484625635.265185] Timed out waiting for command acknowlegment... [WARN] [WallTime: 1484625640.309822] Timed out waiting for node interface valid... [ERROR] [WallTime: 1484625640.310784] Failed to stop right_hand_camera from streaming on this robot. Unable to start streaming from head_camera [INFO] [WallTime: 1484625640.319965] Camera_display node running. Ctrl-c to quit I am able to get the joint states but none of the example code work. Do you know why this happening?
  3. Hello, I tried to run the gripper example with command "$ rosrun intera_examples gripper_keyboard.py", but it turned out with few errors. Few functions like "map_keyboard(args,limb)", "gripper=intera_interface.Gripper(limb)" have errors and the last two showed that the gripper is not attached. See screen shot attached. We bought Pneumatic Large Gripper Kit and assembled by exactly following the instruction and I am sure it was attached properly, but I don't know why it shows the gripper is not attached. Similarly, when I tried to run the second example with command "$ rosrun intera_examples joint_position_keyboard.py", it shows "Could not initialize the gripper". I wonder do I need to type any command to let the robot know the gripper is attached? Junchao Li
  4. senaa

    Camera Configuration Failed

    Hi, At start up of our Sawyer, we are getting a message "Camera Configuration Failed. Please contact Rethink Support". The robot boots to the Sawyer SDK page successfully, and we can still interact through the SDK. I've tried restarting the robot a few times but this doesn't seem to be going away - are there any suggestions on how to resolve this error message? Thanks