相关实验视频
Updated: Jun 5, 2025
07:46
A Method for Growing Bio-memristors from Slime Mold
Published on: November 2, 2017
8.9K
具有精确解决方案的非线性memristor模型允许现场储计算训练和现场推断推断
Nicholas Armendarez1, Md Sakib Hasan2, Joseph Najem1
1Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA, USA. jsn5211@psu.edu.
Nanoscale
|December 9, 2024
概括
一个新的西格形模型准确地预测了用于物理水库计算的离子通道记忆器动态. 这使得对手写数字分类等任务进行高效的现场培训,达到90.6%的准确率.
科学领域:
- 神经形态工程的神经形态工程
- 物理水库计算计算物理水库.
- 材料科学是一种材料科学.
背景情况:
- 记忆器件为复杂的计算提供低功耗,高维的映射.
- 离子通道记忆器表现出丰富的动态,适合生物边缘应用.
- 准确的memristor建模对于优化储计算超参数的ex situ至关重要.
研究的目的:
- 开发一个对离子通道记忆器导电性的概括的西格形增长模型.
- 评估模型的准确性与线性和物流模型相比.
- 将模型应用于手写数字分类任务的现场优化和现场测试.
主要方法:
- 为离子通道记忆器电导率推出了概括的西格形生长模型,并分析地解决了这个问题.
- 该模型的预测准确性与线性和物流模型进行了比较.
- 锡格形模型被用来优化和训练物理水库计算网络,用于MNIST分类.
主要成果:
- 与线性和物流模型相比,Sigmoidal模型在预测memristor动态方面表现出更高的准确性.
- 现场优化和现场测试的网络在MNIST手写数字分类任务中实现了90.6%的准确性.
- 拟议的建模方法使得有效的ex situ超参数调整,节省时间和能源.
结论:
- 概括的西格形模型提供了更准确的对离子通道记忆器动态的表示.
- 这种精确的建模使得具有记忆力的物理水库计算系统能够有效地进行现场训练.
- 该方法显示了有效和准确的边缘计算应用的巨大潜力,特别是在生物环境中.
相关概念视频
01:26Linear Approximation in Frequency Domain
85
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
85
01:14Design Example: Frog Muscle Response
214
A student is tasked to work on an intriguing experiment involving an RL (Resistor-Inductor) circuit to study the muscle response of a frog's leg to electrical stimulation. The RL circuit plays a crucial role in this experiment, providing the means to control and measure the electrical impulses that trigger muscle contraction.
When the switch connecting the RL circuit is closed, a brief muscle contraction is observed. This is because, at a steady state, the inductor acts like a short...
When the switch connecting the RL circuit is closed, a brief muscle contraction is observed. This is because, at a steady state, the inductor acts like a short...
214
01:14RL Circuit without Source
870
When a DC source is suddenly disconnected from an RL (Resistor-Inductor) circuit, the circuit becomes source-free. Assuming the inductor has an initial current denoted as I0, the initial energy stored in the inductor can be determined.
Applying Kirchhoff's voltage law around the loop of the circuit and substituting the voltages across the inductor and resistor yields a first-order differential equation. A logarithmic equation is obtained by rearranging the terms in this equation,...
Applying Kirchhoff's voltage law around the loop of the circuit and substituting the voltages across the inductor and resistor yields a first-order differential equation. A logarithmic equation is obtained by rearranging the terms in this equation,...
870
01:17Linear Circuits
381
A linear circuit is characterized by its output having a direct proportionality to its input, adhering to the linearity property, which encompasses the principles of homogeneity (scaling) and additivity. Homogeneity dictates that when the input, also referred to as the excitation, is multiplied by a constant factor, the output, known as the response, is correspondingly scaled by the same constant factor. For instance, if the current is multiplied by a constant 'k,' the voltage likewise...
381
01:25MOS Capacitor
707
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
707
01:21Linear Approximation in Time Domain
63
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
63