Collaborative manufacturing with physical human–robot interaction

Andrea Cherubini 1 Robin Passama 1 André Crosnier 1 Antoine Lasnier 2, * Philippe Fraisse 1
* Corresponding author
1 IDH - Interactive Digital Humans
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : Although the concept of industrial cobots dates back to 1999, most present day hybrid human-machine assembly systems are merely weight compensators. Here, we present results on the development of a collaborative human-robot manufacturing cell for homokinetic joint assembly. The robot alternates active and passive behaviours during assembly, to lighten the burden on the operator in the first case, and to comply to his/her needs in the latter. Our approach can successfully manage direct physical contact between robot and human, and between robot and environment. Furthermore, it can be applied to standard position (and not torque) controlled robots, common in the industry. The approach is validated in a series of assembly experiments. The human workload is reduced, diminishing the risk of strain injuries. Besides, a complete risk analysis indicates that the proposed setup is compatible with the safety standards, and could be certified.
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Andrea Cherubini, Robin Passama, André Crosnier, Antoine Lasnier, Philippe Fraisse. Collaborative manufacturing with physical human–robot interaction. Robotics and Computer-Integrated Manufacturing, Elsevier, 2016, 40, pp.1-13. ⟨10.1016/j.rcim.2015.12.007⟩. ⟨hal-01274730⟩

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