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Investigating the Suitability of FPAAs for Evolved Hardware Spiking Neural Networks
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Investigating the Suitability of FPAAs for Evolved Hardware Spiking Neural Networks
Patrick Rocke4 , Brian McGinley4 , John Maher4 , Fearghal Morgan4 and Jim Harkin5 
| (4) |
BIRC Research Group, Dept. Electronic Engineering, NUI Galway, Ireland |
| (5) |
Intelligent Systems Research Centre, Faculty of Engineering, University of Ulster, Magee Campus, Derry, Northern Ireland |
Abstract
This paper investigates the use of a network of cascaded Field Programmable Analogue Arrays (FPAAs) to implement an evolved,
analogue, Spiking Neural Network (SNN) pole balance controller. The SNN hardware platform interfaces to a simulated pole balancing
model for evaluation. Performance of the evolved analogue hardware controller is compared to that of a software-based SNN
controller. The evolved hardware network displays an improved tolerance to changing environments compared with networks evolved
solely in simulation. The paper goes on to discuss the suitability of low density FPAA devices for analogue-centric hardware
neural network platforms. It concludes by outlining some possible directions which address the observed limitations of using
FPAAs for ANNs.
Keywords FPAA Hardware Evolution - Spiking Neural Networks - Analogue Neural Networks
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