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“TEMOS O DESTINO QUE MERECEMOS.
O NOSSO DESTINO ESTA DE
ACORDO COM OS NOSSOS MERITOS”
ALBERT EINSTEIN.
Imagination is more important than knowledge, for knowledge is limited while imagination embraces the entire world.
EL FUTURO SE CONSTRUYE HOY,EL SUCESSO NO ES FRUTO DE LA CASUALIDAD,SE HUMILDE ,APRENDE SIEMPRE CADA DIA.
AUTOR DO BLOG ENG.ARMANDO CAVERO MIRANDA SÃO PAULO BRASIL
"OBRIGADO DEUS PELA VIDA,PELA MINHA FAMILIA,PELO TRABALHO,PELO PÃO DE CADA DIA,PROTEGENOS DO MAL"
“SE SEUS PROJETOS FOREM PARA UM ANO,SEMEIE O GRÂO.SE FOREM PARA DEZ ANOS,PLANTE UMA ÁRVORE.SE FOREM PARA CEM ANOS,EDUQUE O POVO.”
“Sixty years ago I knew everything; now I know nothing; education is a progressive discovery of our own ignorance.
Will Durant”
Series connection of IGBT The-Van NGUYEN, Pierre-Olivier JEANNIN, Eric VAGNON, David FREY, Jean-Christophe CREBIER Grenoble Electrical Engineering Laboratory, CNRS UMR 5529 INPG/UJF BP 46, F – 38402 SMH Cedex, Grenoble, France The-Van.NGUYEN@g2elab.grenoble-inp.fr Pierre-Olivier.JEANNIN@g2elab.grenoble-inp.fr
ComputerHistory — 20 de setembro de 2009 — [Recorded July 13 2009] Ray Kurzweil is a 21st century polymath. He is a scientist, inventor, entrepreneur, author, visionary and futurist. As a scientist and inventor he has pioneered work in optical character recognition (OCR), speech recognition technology, and electronic keyboard instruments. As an entrepreneur, Kurzweil has founded businesses in the fields of OCR, music synthesis, speech recognition, reading technology, virtual reality and financial investment. He is the author of numerous books on health, artificial intelligence (AI), the technological singularity and futurism. The Kurzweilian version of the future is the inevitable merger of humans and intelligent machines.
Watch: Engineering, Innovation, and the Challenges of the 21st Century
Watch video Feb. 23, 2010, talk by Charles M. Vest, president of the National Academy of Engineering and President Emeritus, MIT. Vest's lecture is part of the John R. and Donna S. Hall Engineering Lecture Series, established in 2002 to allow Vanderbilt engineering students hear renowned engineers from universities and agencies address engineering topics of particular interest.
Verification of Rogowski Current Transducer’s Ability to Measure Fast Switching Transients C. R. Hewson, W. F. Ray and R. M. Davis Power Electronic Measurements Ltd., 164 Lower Regent Street, Beeston, Nottingham, NG9 2DJ, UK Abstract - Rogowski current transducers combine a high bandwidth, an easy to use thin flexible coil, and low insertion impedance making them an ideal device for measuring pulsed currents in power electronic applications. Practical verification of a Rogowski transducer’s ability to measure current transients due to the fastest MOSFET and IGBT switching requires a calibrated test facility capable of generating a pulse with a rise time of the order of a few 10’s ns. A flexible 8-module system has been built which gives a 2000A peak current with a rise time of 40ns. The modular approach enables verification for a range of transducer.