Results 31 to 40 of about 9,841 (69)
Técnica de Modulação para Redução da DHT de Corrente Aplicada a Retificador Boost Bridgeless em MCD
Eletrônica de Potência, 2019 Tradicionalmente, os retificadores do tipo Boost operando no modo de condução descontínua (MCD) não usam controle de corrente e operam com razão cíclica constante, mas apresentam uma distorção harmônica significativa devido à presença de uma componente ...
Caio G. da S. Moraes +2 more
doaj +1 more source
World Food Policy, Volume 12, Issue 2, November 2026.ABSTRACT This study explores environmental justice issues in coastal food systems, focusing on conflicts between small‐scale fisheries and the energy sector due to differing goals in managing food and energy sources. It does so by examining the interdependence between institutions, policies, and different types of knowledge; key elements in building ...
Mateus Henrique Amaral +6 more
wiley +1 more source
Modelagem e Controle do Conversor DAB Aplicado à Carga de Baterias
Eletrônica de Potência, 2018 Sistemas fotovoltaicos estão assumindo um papel importante na integração de fontes renováveis na geração de energia. O número de conexões deste tipo de geração tem crescido consideravelmente nos últimos anos, trazendo consigo problemas como variação dos
Pablo F. S. Costa +4 more
doaj +1 more source
Antipode, Volume 58, Issue 5, September 2026.ABSTRACT This paper examines scholar‐activist methodologies in spaces saturated by humanitarian, media and academic attention to migrant mobility. Drawing on research on the Greek migration regime, it demonstrates how commitments to ‘giving voice’, ‘democratising knowledge’ and ‘reflexivity’ can reproduce the very power asymmetries they claim to ...
Danai Avgeri
wiley +1 more source
Eletrônica de Potência, 2006 This paper presents a digital environment for sinusoidal vibration test control of an AC power source-fed electrodynamic shaker. The proposed solution is based on a high performance switching-mode inverter with digital control obtained by means of a ...
Leandro Della Flora +1 more
doaj +1 more source
Dual‐Mode Magnetic Elastomer for On‐Demand Motion and Degradation
Advanced Functional Materials, Volume 36, Issue 49, 18 June 2026.A dual‐mode magnetic elastomer is introduced, enabling DC field‐driven programmable actuation and AC field‐driven magnetothermal degradation. GHz‐range magnetic fields generate ultrafast heating of magnetic nanoparticles that activates cleavage of the silicone elastomer matrix.
Jieun Han +13 more
wiley +1 more source
Heat Transfer, Volume 55, Issue 3, Page 1608-1638, May 2026.ABSTRACT This study investigates the thermal performance of innovative biphilic boiling surfaces designed for CPU cooling applications using a two‐phase closed thermosyphon (TPCT) system. The surfaces were fabricated by applying composite coatings—comprising epoxy resin and diatomite particles functionalized with APTES and PFOTS silanes— onto Al1050 ...
José Pereira +3 more
wiley +1 more source
Eletrônica de Potência, 2004 Este artigo apresenta a análise e o projeto de um conversor bidirecional PWM (buck/boost) usado para interface entre o barramento CC e o banco de baterias. Um procedimento de projeto é proposto para o circuito de potência e de controle.
Luciano Schuch +5 more
doaj +1 more source
Asian Politics &Policy, Volume 18, Issue 2, April 2026.ABSTRACT States vary their participation in multilateral institutions based on strategic objectives. This paper explores how emerging powers adopt different participation strategies in multilateral institutions, arguing that they selectively prioritize institutions where they can act as key coordinators to elevate their international status.
Ping‐Kuei Chen
wiley +1 more source
Eletrônica de Potência, 2011 Alternative energy sources has been attracting great interest in the area of static converter development. This fact is related to issues like sustainability and the world environment, which is contributing to viability of this type of energy source ...
Lucas S. Garcia +5 more
doaj +1 more source