COACH: Cooperative Robot TeachingDownload PDF

16 Jun 2022, 10:45 (modified: 16 Nov 2022, 08:27)CoRL 2022 PosterReaders: Everyone
Student First Author: yes
Keywords: Robot Teaching, Human-Robot Interaction
TL;DR: We present a conceptual framework, Cooperative Robot Teaching, which offers a formal model to describe and analyze robot teaching in a cooperative task.
Abstract: Knowledge and skills can transfer from human teachers to human students. However, such direct transfer is often not scalable for physical tasks, as they require one-to-one interaction, and human teachers are not available in sufficient numbers. Machine learning enables robots to become experts and play the role of teachers to help in this situation. In this work, we formalize cooperative robot teaching as a Markov game, consisting of four key elements: the target task, the student model, the teacher model, and the interactive teaching-learning process. Under a moderate assumption, the Markov game reduces to a partially observable Markov decision process, with an efficient approximate solution. We illustrate our approach on two cooperative tasks, one in a simulated video game and one with a real robot.
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