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Interaction primitives for human-robot cooperation tasks

Heni Ben Amor; Gerhard Neumann; Sanket Kamthe; Oliver Kroemer; Jan Peters
In: 2014 IEEE International Conference on Robotics and Automation. IEEE International Conference on Robotics and Automation (ICRA-2014), May 31 - June 7, Hong Kong, China, Pages 2831-2837, IEEE, 2014.


To engage in cooperative activities with human partners, robots have to possess basic interactive abilities and skills. However, programming such interactive skills is a challenging task, as each interaction partner can have different timing or an alternative way of executing movements. In this paper, we propose to learn interaction skills by observing how two humans engage in a similar task. To this end, we introduce a new representation called Interaction Primitives. Interaction primitives build on the framework of dynamic motor primitives (DMPs) by maintaining a distribution over the parameters of the DMP. With this distribution, we can learn the inherent correlations of cooperative activities which allow us to infer the behavior of the partner and to participate in the cooperation. We will provide algorithms for synchronizing and adapting the behavior of humans and robots during joint physical activities.

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