Results 71 to 80 of about 1,250,916 (295)

A generalized class of dynamic translinear circuits [PDF]

, 2001
This brief proposes a generalization of the class of "dynamic translinear," or "exponential state-space," circuits. As an illustration of the proposed general class of dynamic translinear circuits, the brief describes the design of a second-order ...
Mulder, J. (author), van Roermund, A.H.M. (author), Serdijn, W.A. (author), van der Woerd, A.C. (author), Serdijn, W.A., Mulder, J., van Roermund, A.H.M., van der Woerd, A.C., Woerd, van der, A.C., Roermund, van, A.H.M.   +9 more
core   +3 more sources

Analysis of Electromechanical Swings of a Turbogenerator Based on a Fractional-Order Circuit Model

Energies
This paper addresses the issue of rotor swings in a high-power synchronous generator during stable operation with a stiff power grid. The analysis of electromechanical swings was conducted using a circuit model incorporating fractional-order derivatives.
Jan Staszak
doaj   +1 more source

A novel 24 GHz circularly polarised metasurface rectenna

IET Microwaves, Antennas & Propagation, 2023
A novel 24 GHz circularly polarised metasurface rectenna for wireless power transmission is designed in this study. Based on experimental measurements and retro‐simulation, an effective approach is proposed to extract the parasitic parameters of a ...
Wei Huang, Jinxin Du, Xue‐Xia Yang, Wenquan Che, Steven Gao   +4 more
doaj   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source

Robust Electrocaloric Performance Enabled by Highly‐Polar Frustrated Nanodomains in NaNbO3‐Based Ferrodistortive Relaxor

Advanced Functional Materials, EarlyView.
P4bm framework in NaNbO3‐Ba(Ti, Hf)O3 ferrodistortive relaxor entails short‐range and highly‐polar ferrodistortive orders. The abundant highly‐polar orders facilitate to increase entropy change, and robust octahedral oxygen tilt enables to impede thermal perturbations.
Feng Li, Changshun Dai, He Qi, Jiecheng Liu, Xiaoming Shi, Heng Zhou, Qiong Yang, Mingsheng Long, Lei Shan, Chunchang Wang, Jianli Wang, Zhenxiang Cheng   +11 more
wiley   +1 more source

Fully Additive Vertical Organic Electrochemical Transistors on Renewable and Compostable Substrates Enable Ultrasensitive Bioelectronics

Advanced Functional Materials, EarlyView.
Fully additive vertical organic electrochemical transistors (vOECTs) with channel‐length of 226 nm on a 50 µm compostable substrate achieve >106 current modulation and ∼36 mS transconductance. Ion‐selective integration enables 1.1 mA dec−1 sensitivity and 36 µm detection limit, highlighting a scalable platform for sustainable electronics and ...
Giulia Frusconi, Samuele Lavelli, Zsolt M. Kovács‐Vajna, Fabrizio Torricelli   +3 more
wiley   +1 more source

Historical Foundation and Practical Guideline for Ferroelectric Switching Kinetic Studies

Advanced Functional Materials, EarlyView.
The P and U pulses in the conventional PUND measurements are not identical because of the interplay between switching current and the measurement circuit components. This circuit effect can lead to a shift in polarization transients and misinterpreted physics in the switching kinetics.
Yi Liang, Pat Kezer, John T. Heron
wiley   +1 more source

Distinguishability of equivalent circuits containing CPEs:  Part I. Theoretical part

, 2001
International audienceConstant phase elements (CPEs) with impedance ZCPE=1/(Qsαf) are widely used to explain electrochemical impedance spectroscopy (EIS) data.
Michel, Richard, Berthier, F., Diard, Jean-Paul   +2 more
core   +1 more source

Improving the Convergence of Vector Fitting for Equivalent Circuit Extraction From Noisy Frequency Responses [PDF]

, 2006
The vector fitting (VF) algorithm has become a common tool in electromagnetic compatibility and signal integrity studies. This algorithm allows the derivation of a rational approximation to the transfer matrix of a given linear structure starting from ...
Michelangelo B, Bandinu, Michelangelo, Grivet-Talocia, S., GRIVET TALOCIA, STEFANO, S. Grivet-Talocia, M. Bandinu, Stefano Grivet-talocia   +6 more
core   +2 more sources

Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source