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TeleRobotics EXtender™

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TeleRobotics EXtender (TREX) is a force-feedback telerobotics framework. It provides an innovative solution for all cases where people work in hazardous, arduous or otherwise constrained environments, allowing them to perform their tasks without exposing themselves to any risk. With TREX, the operator is able to control the remote robot manually, with a high dexterity and precision, while perceiving the forces at play thanks to the force-feedback manipulator Virtuose.


The system is called a telerobotic solution and consists of a force-feedback manipulator (Haption), a robot (third-party vendor) and an application (Haption). The manipulator is installed, depending on the use-case, near or far from the robot. Through the application, the user drives the robot remotely, in real time and without prior programming.

The use of a force-feedback manipulator allows the operator to feel both the dynamics of the robot, and the forces applied by it. The sensation of force is essential to reduce the risk of damage to the environment or the robot itself. The robot reproduces faithfully the movements of the manipulator, as if it was an extension of the operator’s hand.

The operator carries out his/her work comfortably, retaining all his manual abilities, without being exposed to the dangerous or constraining environment. Thanks to the manipulator, the user feels the dynamics of the robot, as well as the weight of the objects grasped, the possible collisions, etc. A set of buttons allow him/her to vary the scale of forces and movements of the robot.

  •  Reduces risk exposure for the operator
  •  Precisely controls the gesture and enhances dexterity
  •  Take advantage of the operator’s manual skills and knowledge
  •  Keeps the human operator in charge for all decisions

With TREX, the operators can apply their know-how and manual expertise through the robot, without any offline programming being required.

The technical solution consists of algorithms that allows the operator to genuinely control the robot with the following functions:

  •  Bilateral control with force-feedback
  •  Clutching in translation and rotation
  •  Adjustable base rotation
  •  Adjustable force and movement scaling
  •  Smooth transition between control modes
  •  High level of safety with dead-man switch
  •  Multilingual Graphical User Interface
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