28,699 research outputs found
Mathematical description of differential equation solving electrical circuits
Peer reviewedPostprin
Memristors for the Curious Outsiders
We present both an overview and a perspective of recent experimental advances
and proposed new approaches to performing computation using memristors. A
memristor is a 2-terminal passive component with a dynamic resistance depending
on an internal parameter. We provide an brief historical introduction, as well
as an overview over the physical mechanism that lead to memristive behavior.
This review is meant to guide nonpractitioners in the field of memristive
circuits and their connection to machine learning and neural computation.Comment: Perpective paper for MDPI Technologies; 43 page
A Programmable Neural Oscillator Cell
A programmable analog neural oscillator cell architecture is presented. The proposed neuron circuit is of hysteretic neural nature with its implementation based on operational transconductance amplifiers (OTA's). The hysteresis loop as well as the frequency of oscillation are voltage (or current) dependent. The architecture, which involves two OTA's, a current mirror, a capacitor, a diode, and a resistor is very suitable for monolithic integrated circuits. Experimental results confirm the expected flexibility of the synthetic neuron
Differential-Algebraic Equations and Beyond: From Smooth to Nonsmooth Constrained Dynamical Systems
The present article presents a summarizing view at differential-algebraic
equations (DAEs) and analyzes how new application fields and corresponding
mathematical models lead to innovations both in theory and in numerical
analysis for this problem class. Recent numerical methods for nonsmooth
dynamical systems subject to unilateral contact and friction illustrate the
topicality of this development.Comment: Preprint of Book Chapte
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Transient analysis and synthesis of linear circuits using constraint logic programming
In this paper describes the design of a transient analysis program for linear circuits and its implementation
in a Constraint Logic Programming language, CLP(R). The transient analysis program parses the input
circuit description into a network graph, analyses its semantic correctness and then performs the transient
analysis. The test results show that the program is at least 97% accurate when run at two decimal
places. We have also compared the performance of our program with a commercial package implemented
in an imperative language. The advantages of implementing the analysis program in a CLP language
include: quick construction and ease of maintenance. We also report on the synthesis of generation of a
circuit with given transient characteristics
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