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Shared Control of Robot-Robot Collaborative Lifting with Agent Postural and Force Ergonomic Optimization

2021-04-28 08:31:54
Lorenzo Rapetti, Yeshasvi Tirupachuri, Alberto Ranavolo, Tomohiro Kawakami, Takahide Yoshiike, Daniele Pucci
arXiv_RO
         
Abstract

Humans show specialized strategies for efficient collaboration. Transferring similar strategies to humanoid robots can improve their capability to interact with other agents, leading the way to complex collaborative scenarios with multiple agents acting on a shared environment. In this paper we present a control framework for robot-robot collaborative lifting. The proposed shared controller takes into account the joint action of both the robots thanks to a centralized controller that communicates with them, and solves the whole-system optimization. Efficient collaboration is ensured by taking into account the ergonomic requirements of the robots through the optimization of posture and contact forces. The framework is validated in an experimental scenario with two iCub humanoid robots performing different payload lifting sequences.

Abstract (translated)

URL

https://arxiv.org/abs/2104.13630

PDF

https://arxiv.org/pdf/2104.13630.pdf

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