Co-GAIL: Learning Diverse Strategies for Human-Robot Collaboration

• URL: http://arxiv.org/abs/2108.06038v2
• Date: Wed, 20 Sep 2023 16:45:54 GMT
• Title: Co-GAIL: Learning Diverse Strategies for Human-Robot Collaboration
• Authors: Chen Wang, Claudia P\'erez-D'Arpino, Danfei Xu, Li Fei-Fei, C. Karen Liu, Silvio Savarese
• Abstract summary: We present a method for learning a human-robot collaboration policy from human-human collaboration demonstrations. Our method co-optimizes a human policy and a robot policy in an interactive learning process.
• Score: 51.268988527778276
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present a method for learning a human-robot collaboration policy from human-human collaboration demonstrations. An effective robot assistant must learn to handle diverse human behaviors shown in the demonstrations and be robust when the humans adjust their strategies during online task execution. Our method co-optimizes a human policy and a robot policy in an interactive learning process: the human policy learns to generate diverse and plausible collaborative behaviors from demonstrations while the robot policy learns to assist by estimating the unobserved latent strategy of its human collaborator. Across a 2D strategy game, a human-robot handover task, and a multi-step collaborative manipulation task, our method outperforms the alternatives in both simulated evaluations and when executing the tasks with a real human operator in-the-loop. Supplementary materials and videos at https://sites.google.com/view/co-gail-web/home

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