Results 51 to 60 of about 22,590 (324)

Speckle‐Engineered Upconversion Amplification in Nanoemulsion‐Templated Hydrogel Microdomes

Advanced Functional Materials, EarlyView.
Nanoemulsion‐confined PEGDA microdomes generate speckle‐like excitation fields that strongly amplify upconversion luminescence upon dehydration, enabling filter‐free visible readout with reversible on–off switching. DMD‐based lithography yields scalable, shape‐programmable arrays for moisture‐responsive displays and optical encryption.
Chaeyeong Ryu, Byungcheon Yoo, Seunghun Lee, Hyungyo Jeong, Sanggyun Jeong, Heesu Cho, Jongwon Oh, Dahye Baek, Jongkyu Kim, Yubin Lee, Eunsu Gu, Dong‐Hwan Kim, Jung‐Hoon Park, Jiseok Lee   +13 more
wiley   +1 more source

Atomic Layer Deposition in Transistors and Monolithic 3D Integration

Advanced Functional Materials, EarlyView.
Transistors are fundamental building blocks of modern electronics. This review summarizes recent progress in atomic layer deposition (ALD) for the synthesis of two‐dimensional (2D) metal oxides and transition‐metal dichalcogenides (TMDCs), with particular emphasis on their enabling role in monolithic three‐dimensional (M3D) integration for next ...
Yue Liu, Taoyu Zou, Cheng‐Yan Xu, Liang Zhen, Yang Li, Yong‐Young Noh   +5 more
wiley   +1 more source

An Extensive Investigation on Intelligent-Based Control Techniques for the Performance Improvement in Multilevel Inverters

IEEE Access
Multilevel inverters have become an essential technology in modern power electronics, offering benefits like reduced harmonic distortion with lower electromagnetic interference and enhanced efficiency applicable to electric vehicles, industrial drives ...
N. Subramanian, Albert Alexander Stonier
doaj   +1 more source

Real-Time Implementation of a 31-Level Asymmetrical Cascaded Multilevel Inverter for Dynamic Loads

IEEE Access, 2019
Among the renewable energy applications, the most popular inverters are cascaded multilevel inverters. Irrespective of numerous benefits these inverters face reliability issues due to the presence of more circuit components in the design. This has been a
C. Dhanamjayulu, G. Arunkumar, B. Jaganatha Pandian, C. V. Ravi Kumar, M. Praveen Kumar, A. Rini Ann Jerin, P. Venugopal   +6 more
doaj   +1 more source

Cascaded Multilevel Structure With Three-Phase and Single-Phase H-Bridges for Open-End Winding Induction Motor Drive

IEEE Open Journal of the Industrial Electronics Society, 2023
A new multilevel topology for an open-end winding motor drive is proposed in this article, presenting a similar structure to the cascaded H-bridge multilevel inverter.
Vitor Fernao Pires, Armando Cordeiro, Daniel Foito, Jose Fernando Silva, Enrique Romero-Cadaval   +4 more
doaj   +1 more source

Overview of three-phase inverter topologies for distributed generation purposes [PDF]

, 2010
The increasing presence of single-phase distributed generators and unbalanced loads in the electric power system may lead to unbalance of the three phase voltages, resulting in increased losses and heating.
De Kooning, Jeroen, Degroote, Lieven, Meersman, Bart, Renders, Bert, Vandevelde, Lieven, Vandoorn, Tine   +5 more
core   +1 more source

Efficiency Improvement of Fault-Tolerant Three-Level Power Converters [PDF]

, 2018
Fault-tolerant power converters play a critical role in the transportation electrification. However, fault-tolerant operation, high efficiency, and low cost usually result in design criteria that have conflicting constraints and goals.
He, Jiangbiao, Katebi, Ramin, Khan, Waqar A., Weise, Nathan   +3 more
core   +2 more sources

4D‐Printed Spin Crossover Metamaterials with Giant Programmable Positive or Negative Thermal Expansion

Advanced Materials, EarlyView.
Spin crossover composite filaments are implemented for the rational design of 4D‐printed mechanical metamaterials. The obtained bi‐material structures guided by a theoretical analysis based on analytical calculations and Finite Element Analysis simulations exhibit giant programmable positive or negative deformation with coefficients of thermal ...
Adelais Trapali, Yuteng Zhang, Seyed Ehsan Alavi, Nagham Mawassy, Raja Zulkarnain, Gábor Molnár, Lionel Salmon, Azzedine Bousseksou   +7 more
wiley   +1 more source

Simulation and Comparison of Twenty Five Level Diode Clamped & Cascaded H-Bridge Multilevel Inverter

Iranian Journal of Electrical and Electronic Engineering, 2018
This paper presents the comparative study of three phase twenty five level diode clamped and cascaded H-bridge multilevel inverters. The comparison is made in respect of requirement of devices, quality of output voltage and reduction of total harmonic ...
S. R. Sadu, P. V. Prasad, G. N. Srinivas
doaj  

A Comparison of Symmetrical and Asymmetrical Three-Phase H-Bridge Multilevel Inverter for DTC Induction Motor Drives

, 2011
International audienceEarlier studies have pointed out the limitations of conventional inverters, especially in high-voltage and high-power applications.
Benbouzid, Mohamed, Kheloui, Abdelaziz, Khoucha, Farid, Lagoun, Mouna   +3 more
core   +3 more sources