{
  "abstract": "Example embodiments of the present disclosure relate to a human machine interface, a controller, a robot, and corresponding systems and methods. The human machine interface is configured to control the robot via the controller. The method includes receiving a user input at the human machine interface; and transmitting a control signal to the controller in response to the user input, the control signal being configured to activate a first indication element arranged on the controller to identify the controller.",
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    "MA BOJUN",
    "TANG NANA"
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  "title": "Human machine interface, controller, robot and corresponding system and method",
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