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Doctoral Thesis
DOI
https://doi.org/10.11606/T.3.2018.tde-12032018-083256
Document
Author
Full name
Daniel Vitor Faria Cardia
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2017
Supervisor
Committee
Sartori, Carlos Antonio França (President)
Perotoni, Marcelo Bender
Rossi, Luiz Natal
Santos Junior, Mario Alves dos
Sevegnani, Francisco Xavier
Title in Portuguese
Determinação de modelos simplificados de fontes equivalentes de campos elétricos e magnéticos aplicáveis à análise de compatibilidade eletromagnética de sistemas embarcados.
Keywords in Portuguese
Antenas
Compatibilidade eletromagnética
Eletromagnetismo
Sistemas embutidos
Abstract in Portuguese
Neste trabalho apresentar-se-á um método para a determinação de modelos simplificados de fontes equivalentes de campos elétricos e magnéticos aplicáveis à análise de compatibilidade eletromagnética de sistemas embarcados. Esses modelos são obtidos a partir de medições laboratoriais, com técnicas de cálculos analíticos, numéricos e híbridos. Destacam-se, o fato da utilização do método de medição através de antenas de grandes loops (ou, laços, em português), na determinação de fontes equivalentes de emissão radiada e a aplicação destas na avaliação dos campos eletromagnéticos radiados. A contribuição deste trabalho é a obtenção dessas fontes equivalentes de emissão radiada, que possibilitam a avaliação da contribuição dos campos elétricos e magnéticos em ambientes eletromagnéticos. E também contribui com a aplicação de uma metodologia para a obtenção dos campos elétricos a partir dos campos magnéticos previamente determinados. Em particular, este trabalho pode ser considerado como decorrente da evolução da Dissertação de Mestrado [1].
Title in English
Determination of simplified equivalent source models of electric and magnetic fields appliable to electromagnetic compatibility analysis of embedded systems.
Keywords in English
Antennas
Electromagnetic compatibility
Electromagnetism
Mathematical modeling
Numerical simulation
Abstract in English
It will be shown in this work a method for simplified models determination of equivalent sources for electric and magnetic fields, applicable to embedded systems electromagnetic compatibility analysis. These models are obtained by laboratory tests with analytical calculation techniques associated to numerical and hybrid calculations. This work highlights the application of measurement method by Large Loop Antennas (LLAs) for the creation of radiated emission equivalent sources and the application of a corresponding method for obtaining radiated electromagnetic fields. The contribution of this work is the acquisition of these equivalent sources of radiated emission, which allows the evaluation of the magnetic and electric field contribution in electromagnetic environments. And it also contributes with the application of a methodology to obtain the electric fields from previously determined magnetic fields. In special, this work may be considered as an evolution of the Master's Thesis [1]
 
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Publishing Date
2018-03-14
 
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