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Collaborative robotics

List institute designs and develops collaborative robots or “cobots” sensitive in terms of efforts, precise and safe that interacts with a human operator: task sharing in a common work space, gesture or heavy weight assistance etc. We also design exoskeletons.

Our researchers rely on their competencies in mechanics, electronics, automatics and computer science. They collaborate with industrial companies from nuclear, off-shore, mining, manufacturing and medical sectors (surgery assistance, minimally invasive surgery).

Among our academic partners

ISIR (Paris 6 University’s Institute for Smart Systems and Robotics), LIRRM (Montpellier University and CNRS Laboratory of Informatics, Robotics and Microelectronics), IRCCyN (Joint research unit on communication and cybernetics between CNRS and Ecole Centrale de Nantes), Cetim (The French Technical centre for mechanical industry)

Our assets

  • Robots complete design and development without reuse of existing products or functions for a perfect adjustment to application,
  • Researchers involvement until operational use,
  • Future ISO standard on force feed-back telemanipulation for nuclear sector held by List

Major technologies

Ball-screw actuation and very low friction cables

Description

The traditional effort sensors are here being replaced by electric engines current-regulated compensation. Using ball-screw and cables instead of poly-articulated systems removes most of friction problems. Actuation efficiency can then go beyond 97% instead of 80 to 85% for standard market robots: this sharpness and precision gain makes it possible to execute very precise and delicate tasks.

 

 

 

 

 

 

Exoskeleton for gesture assistance (chain workers, operator, elderly and/or disabled people)

Description

Hercule, the very first European exoskeleton has been developed in our labs since 2009 in collaboration with RB3D Company. Hercule is equiped with reversible cables actuators and with an ARM Cortex-8 computer core for a real-time movement management. He offers a high level of fluidity and operation plus an excellent energetic efficiency with a 4h autonomy at 5km/h. Several upper and lower body exoskeleton demonstrators have been developed for military and civilian applications on heavy weight manipulation and highly painful work tasks assistance.

A whole body exoskeleton that will bring back mobility to tetraplegic people is actually being studied. It is made of 2 arms with 7 degrees of freedom effort controlled plus Hecule’s legs’ next version.

 

 

 


Major projects

Dextre cooperative manipulation

Description

We are actually developing an articulated arm with a high level of dexterity and versatility targeting industrial applications that request human hand and arm precision.

Major projects