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Dynamic memristor for physical reservoir computing.

Qi-Rui ZhangWei-Lun OuyangXue-Mei WangFan YangJian-Gang ChenZhi-Xing WenJia-Xin LiuGe WangQing LiuFu-Cai Liu
Published in: Nanoscale (2024)
Reservoir computing (RC) has attracted considerable attention for its efficient handling of temporal signals and lower training costs. As a nonlinear dynamic system, RC can map low-dimensional inputs into high-dimensional spaces and implement classification using a simple linear readout layer. The memristor exhibits complex dynamic characteristics due to its internal physical processes, which renders them an ideal choice for the implementation of physical reservoir computing (PRC) systems. This review focuses on PRC systems based on memristors, explaining the resistive switching mechanism at the device level and emphasizing the tunability of their dynamic behavior. The development of memristor-based reservoir computing systems is highlighted, along with discussions on the challenges faced by this field and potential future research directions.
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