Results 151 to 160 of about 42,619 (353)

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi   +3 more
wiley   +1 more source

DAB unified ZVS control strategy with optimal current stress in full power range under TPS control

open access: yesIET Power Electronics
Current stress and soft switching range are important performance indexes of dual active bridge DC–DC converter. Based on three‐phase shift control, Karush–Kuhn–Tucker (KKT) algorithm is used to solve the optimal control strategy of current stress under ...
Shuai Cheng   +3 more
doaj   +1 more source

Wide Voltage Gain Range for Auxiliary Half-Bridge Dual Active Bridge Converter Between Electric Vehicles Based on Nonlinear Virtual Power Predictive Control

open access: yesMathematics
Although electric vehicles are being vigorously promoted around the world, the mileage anxiety problem is an important hindrance to their development.
Yuhan Guo, Wentao Yang, Zhenao Sun
doaj   +1 more source

Solution‐Processed Two‐Dimensional Indium Oxide on Sodium‐Embedded Alumina for Reconfigurable Optoelectronic Synaptic Transistors

open access: yesAdvanced Functional Materials, EarlyView.
Wafer‐scale two‐dimensioanl In2Se3 oxidized into InOx on sodium‐embedded beta‐alumina enables multifunctional reconfigurable electronics. Sodium ions accumulate within distinct spatial distribution under drain‐controlle and gate‐controlled operation. Drain‐control operation gives controllability of ultraviolet‐driven optoelectronic synaptic conductance
Jinhong Min   +13 more
wiley   +1 more source

A Summary of Bidirectional DC-DC Converter Applied in Power Electronic Transformer

open access: yesKongzhi Yu Xinxi Jishu, 2017
As an intermediate link of power electronic transformer(PET), bidirectional DC-DC converter plays an important role in electrical isolation and electrical conversion. In this paper, the development of PET in recent years was illustrated.
WANG Yang   +4 more
doaj  

Exploring an Alternative to mRNA Vaccine Cold Chain Storage: MRNA‐Lipid Nanoparticle Stability When Dried in a Polymer Matrix

open access: yesAdvanced Functional Materials, EarlyView.
The nanostructure, size, and function of mRNA‐loaded lipid nanoparticles are evaluated before drying, within polymer microneedles, and after rehydration. The results reveal the polymer and LNP loadings required to recover nanostructure and preserve the delivery performance in dry‐state formulations.
Brendan P. Dyett   +19 more
wiley   +1 more source

Performance Optimization of Dual Active Bridge Converter Based on Improved Linear Active Disturbance Rejection Control

open access: yesEngineering Reports
To address the challenge of balancing current stress and dynamic response in dual active bridge (DAB) converters, this paper introduces an enhanced linear active disturbance rejection control (LADRC) method utilizing extended phase shifting (EPS ...
Haijun Tian   +3 more
doaj   +1 more source

A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms [PDF]

open access: yes
This paper presents the steady-state analysis of a high power step-up DC-DC converter based three-phase dual active bridge (3DAB) for use as a medium voltage (MV) DC-DC collector of offshore wind farms.
Feldman, Ralph   +4 more
core  

Dual‐Inductive and Programmable Switching: A New Paradigm in Ionic Interface‐Controlled Perovskite Memory

open access: yesAdvanced Functional Materials, EarlyView.
A fully programmable, dual‐inductive switchable halide perovskite memristor is demonstrated through precise BDAI2‐mediated interface engineering. This ion‐modulating layer suppresses stochastic filamentary growth, enabling stable, non‐filamentary switching via dynamic barrier modulation.
So‐Yeon Kim, Juan Bisquert
wiley   +1 more source

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