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241001s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202410432
|2 doi
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|a pubmed24n1554.xml
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|a (DE-627)NLM378371304
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|a (NLM)39350463
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Shim, Sung Keun
|e verfasserin
|4 aut
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|a Thresholding Computing with Heterogeneous Integration of Memristive Kernel with Metal-Oxide-Semiconductor Capacitor for Temporal Data Analysis
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 01.10.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 Wiley‐VCH GmbH.
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|a Precise event detection within time-series data is increasingly critical, particularly in noisy environments. Reservoir computing, a robust computing method widely utilized with memristive devices, is efficient in processing temporal signals. However, it typically lacks intrinsic thresholding mechanisms essential for precise event detection. This study introduces a new approach by integrating two Pt/HfO2/TiN (PHT) memristors and one Ni/HfO2/n-Si (NHS) metal-oxide-semiconductor capacitor (2M1MOS) to implement a tunable thresholding function. The current-voltage nonlinearity of memristors combined with the capacitance-voltage nonlinearity of the capacitor forms the basis of the 2M1MOS kernel system. The proposed kernel hardware effectively records feature-specified information of the input signal onto the memristors through capacitive thresholding. In electrocardiogram analysis, the memristive response exhibited a more than ten-fold difference between arrhythmia and normal beats. In isolated spoken digit classification, the kernel achieved an error rate of only 0.7% by tuning thresholds for various time-specific conditions. The kernel is also applied to biometric authentication by extracting personal features using various threshold times, presenting more complex and multifaceted uses of heartbeats and voice data as bio-indicators. These demonstrations highlight the potential of thresholding computing in a memristive framework with heterogeneous integration
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|a Journal Article
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|a analog memristor
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|a event detection
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|a heterogenous integration
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|a neuromorphic hardware kernel
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| 650 |
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|a thresholding computing
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| 700 |
1 |
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|a Lee, Keonuk
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Janguk
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shin, Dong Hoon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Soo Hyung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cheong, Sunwoo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jang, Yoon Ho
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hwang, Cheol Seong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2024) vom: 30. Sept., Seite e2410432
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g year:2024
|g day:30
|g month:09
|g pages:e2410432
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|u http://dx.doi.org/10.1002/adma.202410432
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|j 2024
|b 30
|c 09
|h e2410432
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