Poster
Learning equations for extrapolation and control
Subham S Sahoo · Christoph H. Lampert · Georg Martius

Fri Jul 13th 06:15 -- 09:00 PM @ Hall B #162
in Posters Fri »

We present an approach to identify concise equations from data using a shallow neural network approach. In contrast to ordinary black-box regression, this approach allows understanding functional relations and generalizing them from observed data to unseen parts of the parameter space. We show how to extend the class of learnable equations for a recently proposed equation learning network to include divisions, and we improve the learning and model selection strategy to be useful for challenging real-world data. For systems governed by analytical expressions, our method can in many cases identify the true underlying equation and extrapolate to unseen domains. We demonstrate its effectiveness by experiments on a cart-pendulum system, where only 2 random rollouts are required to learn the forward dynamics and successfully achieve the swing-up task.

Author Information

Subham S Sahoo (Indian Institute of Technology)
Christoph H. Lampert (IST Austria)
Georg Martius (Max Planck Institute for Intelligent Systems)

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