Dresden 2017 – wissenschaftliches Programm
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DS: Fachverband Dünne Schichten
DS 40: Focussed Session: Memristive Devices for Neuronal Systems II
DS 40.5: Vortrag
Donnerstag, 23. März 2017, 16:30–16:45, CHE 89
An FPGA Implementation of a Memristive System Based on Wave Digital Principles — •Enver Solan1, Benedikt Janßen2, Karlheinz Ochs1, and Michael Hübner2 — 1Ruhr-Universität Bochum, Lehrstuhl für Digitale Kommunikationssysteme, 44780 Bochum — 2Ruhr-Universität Bochum, Lehrstuhl für Eingebettete Systeme der Informationstechnik, 44780 Bochum
The massively parallel structure of neuromorphic circuits leads to efficient computations of complex problems. Depending on the learning process, the interconnections between neurons are differently weighted. This functionality can be modeled by memristive devices * nonlinear resistors with memory.
These devices in nanotechnology contain always parameter spread, which makes reproducible analyses hard. Additionally, some neuromorphic applications may need a desired but not realizable memristive functionality. Simulation models can be used, but they are very time-consuming and even less suited for hardware emulation purposes. Due to these issues, hardware emulators of memristive systems are needed.
Our approach pursues an FPGA implementation of memristive systems based on wave digital principles. This leads to a generic memristive emulator by maintaining the passivity of the analog device.