The extensive distribution of collaborative robots in indus- trial workplaces allows human operators to decrease the weight and the repetitiveness of their activities. In order to facilitate the role of the human worker during the interaction with these robots, innovative con- trol paradigms, enabling an intuitive human-robot collaborative manipu- lation, are needed. In this work, a dynamic and hierarchical task-priority control framework is proposed, leveraging a physical interaction with a redundant robot manipulator through a force sensor. The foremost objec- tive of this approach is to exploit the non-trivial null-space of the redun- dant robot to increase the performance of the co-manipulation and, con- sequently, its effectiveness. A comparison between the proposed method- ology and a standard admittance control scheme is carried out within an industrial use case study consisting of a human operator interacting with a KUKA LBR iiwa arm.


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    Title :

    Hierarchical Task-Priority Control for Human-Robot Co-manipulation



    Publication date :

    2020-01-01



    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629



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