Results 201 to 210 of about 886,131 (240)

Recent Advances of Slip Sensors for Smart Robotics

Advanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang, Liao Wu, Shuai He, Zhao Sha, Yuwan Huang, Shuying Wu, Dewei Chu, Chun H. Wang, Shuhua Peng   +8 more
wiley   +1 more source

Molecular Engineering for Enhanced Second‐Order Nonlinear Response in Spontaneously‐Oriented Evaporated Organic Films

Advanced Optical Materials, EarlyView.
Intramolecular bridge‐locking frustrates detrimental anti‐parallel packing in evaporated organic films. This design enhances net polar orientation, leading to a twofold off‐resonance increase in the second‐order nonlinear susceptibility (χ(2)) without electric‐field poling.
Pierre‐Luc Thériault, Heorhii V. Humeniuk, Zhechang He, Gabriel Juteau, Alexandre Malinge, Dmytro F. Perepichka, Stéphane Kéna‐Cohen   +6 more
wiley   +1 more source

Polarization‐Sensitive Au‐TiO2 Nanopillars for Tailored Plasmonic Enhanced Light‐Driven Reaction Activity

Advanced Optical Materials, EarlyView.
Manipulating the product generation yield is achieved on a model plasmonic resonance‐driven reaction by tuning the nonthermal effects of localized surface plasmonic resonance on an elliptical Au‐TiO2 nanopillar metasurface. Asymmetric configuration of the elliptical nanopillar array governs the polarization‐dependent optical properties redshifting the ...
Ning Lyu, Anjalie Edirisooriya, Zelio Fusco, Dawei Liu, Lan Fu, Fiona J. Beck, Christin David   +6 more
wiley   +1 more source

Engineering of Double Absorber Organic‐Perovskite Solar Cells for >34% Efficiency with V2O5 as Back Surface Field Layer

Advanced Photonics Research, EarlyView.
This study investigates high‐efficiency double perovskite active layer (DPAL) structures using MAPbI3 and MASnI3 to surpass the Shockley‐Queisser limit in single‐junction perovskite solar cells. SCAPS‐1D simulations show that the V2O5‐assisted DPAL device achieves 34.14% power conversion efficiency with improved JSC, VOC, and FF.
Afifa Lubaba, Mohammed M. Fadhali, Md. Faruk Hossain, Md. Harun‐Or‐ Rashid, Nacer Badi, Aijaz Rasool Chaudhry, Ahmad Irfan, Md. Ferdous Rahman   +7 more
wiley   +1 more source

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ANÁLISE COMPARATIVA ENTRE O CONVERSOR BOOST TRADICIONAL E O CONVERSOR BOOST ENTRELAÇADO UTILIZANDO A TÉCNICA DE MPPT P&O PARA SISTEMAS FOTOVOLTAICOS

Procedings do XXII Congresso Brasileiro de Autom�tica, 2018
Este trabalho apresenta um estudo comparativo entre dois conversores CC-CC elevadores de tensao utilizados em sistemas fotovoltaicos conectados a rede eletrica. Os sistemas fotovoltaicos apresentam baixa eficiencia e um nivel de tensao que deve ajustado para aplicacoes em conexao com a rede.
null Fernando Marcos de Oliveira, null Gabriel Weiss   +1 more
openaire   +2 more sources

Modelagem de Conversor Boost Integrado a Motor e Projeto de Conversor Boost Intercalado Corretor de Fator de Potência

Proceedings of the 16th Seminar on Power Electronics and Control (SEPOC 2024)
Vander Silvio da Silva Junior
openaire   +2 more sources

Proposta de controle pré-programado aplicado ao conversor Boost PFC sem sensor de corrente

, 2022
– The development of front-end converters for power factor correction and DC link voltage control of electronics converters such as, UPS, Inverters, and Switched Power Supplies, has been attracting great interest from the scientific community that works ...
Antonio de Pádua Finazzi
openaire   +2 more sources

Investigação de Estratégias de Controle para Conversores de Potência Boost Aplicados em Sistemas Fotovoltaicos

Anais do Congresso Brasileiro de Automática 2020, 2020
Os paineis fotovoltaicos são dispositivos utilizados para fornecimento de energia por meio da radiação solar. Entretanto, por dependerem de variáveis estocásticas, como temperatura e irradiância, estes dispositivos oferecem níveis de tensões variáveis ao longo do dia e, por vezes, são encontrados em mercado com especificação nominal de tensão com baixo
Alan Tácio Magalhães Haddad, Renan L. P. de Medeiros, Florindo A. C. Ayres Júnior, Iury V. de Bessa, Nei J. S. Farias   +4 more
openaire   +1 more source

EMULADOR PV BASEADO EM UM CONVERSOR CC-CC BUCK-BOOST DE QUATRO INTERRUPTORES

Procedings do XXII Congresso Brasileiro de Autom�tica, 2018
Atualmente, existe uma necessidade crescente de desenvolver e avaliar conversores de energia que integram sistemas fotovoltaicos (PV) `a rede el´etrica. Desenvolver tais conversores utilizando pain´eis fotovoltaicos expostos a condi¸c˜oes ambientais que podem variar abruptamente consiste em uma tarefa complexa.
null Leandro Leysdian Oro Carralero, null Gabriel Santa Barbara da Silva, null Fabiano Fragoso Costa, null André Pires Nóbrega Tahim   +3 more
openaire   +1 more source

Conversores Integrados Híbridos: Passive-Stacked 3 RD Order (PS3) Boost

Power management integrated circuits (PMICs), in the form of DC/DC converters, play a significant role in today's market due to their wide range of applications in the electronics industry. Among the hybrid converter topologies that meet this demand, the Passive-Stacked 3rd Order (PS3) buck stands out, achieving 98.8% efficiency when fully integrated ...
Castellanos Rodriguez, Juan Camilo, Aquino Henn, Tales   +1 more
openaire   +1 more source