Title
Non-linear motor control by local learning in spiking neural networks.
Abstract
Learning weights in a spiking neural network with hidden neurons, using local, stable and online rules, to control non-linear body dynamics is an open problem. Here, we employ a supervised scheme, Feedback-based Online Local Learning Of Weights (FOLLOW), to train a network of heterogeneous spiking neurons with hidden layers, to control a two-link arm so as to reproduce a desired state trajectory. The network first learns an inverse model of the non-linear dynamics, i.e. from state trajectory as input to the network, it learns to infer the continuous-time command that produced the trajectory. Connection weights are adjusted via a local plasticity rule that involves pre-synaptic firing and post-synaptic feedback of the error in the inferred command. We choose a network architecture, termed differential feedforward, that gives the lowest test error from different feedforward and recurrent architectures. The learned inverse model is then used to generate a continuous-time motor command to control the arm, given a desired trajectory.
Year
Venue
DocType
2018
international conference on machine learning
Conference
Volume
ISSN
Citations 
abs/1712.10158
Proceedings of the 35th International Conference on Machine Learning, PMLR 80:1773-1782, 2018
0
PageRank 
References 
Authors
0.34
13
2
Name
Order
Citations
PageRank
Aditya Gilra101.35
Wulfram Gerstner22437410.08