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20 April 2024 |
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Simultaneously Learning Vision and Feature-based Control Policies for Real-world Ball-in-a-Cup | | Devin Schwab
; Tobias Springenberg
; Murilo F. Martins
; Thomas Lampe
; Michael Neunert
; Abbas Abdolmaleki
; Tim Herkweck
; Roland Hafner
; Francesco Nori
; Martin Riedmiller
; | | Date: |
13 Feb 2019 | | Abstract: | We present a method for fast training of vision based control policies on
real robots. The key idea behind our method is to perform multi-task
Reinforcement Learning with auxiliary tasks that differ not only in the reward
to be optimized but also in the state-space in which they operate. In
particular, we allow auxiliary task policies to utilize task features that are
available only at training-time. This allows for fast learning of auxiliary
policies, which subsequently generate good data for training the main,
vision-based control policies. This method can be seen as an extension of the
Scheduled Auxiliary Control (SAC-X) framework. We demonstrate the efficacy of
our method by using both a simulated and real-world Ball-in-a-Cup game
controlled by a robot arm. In simulation, our approach leads to significant
learning speed-ups when compared to standard SAC-X. On the real robot we show
that the task can be learned from-scratch, i.e., with no transfer from
simulation and no imitation learning. Videos of our learned policies running on
the real robot can be found at
this https URL | | Source: | arXiv, 1902.4706 | | Services: | Forum | Review | PDF | Favorites | |
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