Task-Specific Loss: A Teacher-Centered Approach to Transfer Learning Between Distinctly Structured Robotic Agents - Archive ouverte HAL Access content directly
Book Sections Year : 2022

Task-Specific Loss: A Teacher-Centered Approach to Transfer Learning Between Distinctly Structured Robotic Agents

Abstract

Recent progress in robotics and artificial intelligence let us envision a future where robot presence and activity will be ubiquitous. Fueled by economics, cultural background, and design choices, human creativity will most likely design robots of various forms and shapes, using a wide range of sensors and actuators to accomplish their tasks. Consequently, it is highly probable that differently structured robots will be required to perform the same task. As many of these tasks may require learning-based control, which still relies on millions of examples to perform correctly, it would be eminently useful to be able to transfer skills from one agent to another, notwithstanding their distinct physical structure. As such, we propose a new method for the fast transfer of skills using a family of differentiable task-specific distance metrics called Task-Specific Losses (TSL). After highlighting the main shared concepts and differences with the closest existing state-of-the-art method, we demonstrate this technique on two different assistive control tasks, showing that we can indeed transfer the realization of a task learned from an expert/teacher to an agent with no previous interaction with the environment.
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hal-03527921 , version 1 (16-01-2022)

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Mehdi Mounsif, Sebastien Lengagne, Benoit Thuilot, Lounis Adouane. Task-Specific Loss: A Teacher-Centered Approach to Transfer Learning Between Distinctly Structured Robotic Agents. Gusikhin, O., Madani, K., Zaytoon, J. Informatics in Control, Automation and Robotics, 793, Springer, 2022, Lecture Notes in Electrical Engineering (LNEE), 978-3-030-92442-3. ⟨10.1007/978-3-030-92442-3_10⟩. ⟨hal-03527921⟩
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