CoRL 2020, Spotlight Talk 516: Multi-Level Structure vs. End-to-End-Learning in High-Performance …

“**Multi-Level Structure vs. End-to-End-Learning in High-Performance Tactile Robotic Manipulation**
Florian Voigt (Technical University of Munich)*; Lars Johannsmeier (Technical University of Munich); Sami Haddadin (Technical University of Munich)

In this paper we apply a multi-level structure to robotic manipulation learning. It consists of a hybrid dynamical system we denote skill and a parameter learning layer that leverages the underlying structure to simplify the problem at hand. For the learning layer we introduce a novel algorithm based on the idea of learning to partition the parameter solution space to quickly and efficiently find good and robust solutions to complex manipulation problems. In a benchmark comparison we show a significant performance increase compared with other black-box optimization algorithms such as HiREPS and particle swarm optimization. Furthermore, we validate and compare our approach on a very hard real-world manipulation problem, namely inserting a key into a lock, with state-of-the-art deep reinforcement learning.”

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