Setembro 2025 vol. 12 num. 1 - XXXII Simpósio Internacional de Engenharia

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Análise comparativa de performance de veículos elétricos com diferentes tipos de transmissão

Comparative Analysis of battery electric vehicles performance with different transmissions

MARANHÃO, André de Arruda Falcão ; SANTOS, Max Mauro Dias ; LAGANA, Armando Antonio Maria Laganá ; BARROS JUNIOR, Vitor Guilherme Coutinho de ;

Trabalho completo:

A eletrificação de sistemas de propulsão representa uma mudança significativa de paradigma na indústria automotiva, evoluindo da dependência de combustíveis fósseis para sistemas de propulsão elétrica, passando por diferentes tipos de hibridização. Desde o início dos veículos de combustão produzidos em massa no final do século XIX, os motores de combustão interna dominaram o ambiente automotivo, embora contribuindo para o aumento das emissões de dióxido de carbono e o aquecimento global. A década de 1990 viu o surgimento de veículos elétricos a bateria (BEVs) como alternativas viáveis, levando a investigações sobre sua eficiência e características de desempenho. Este estudo compara duas arquiteturas de propulsão elétrica, com foco no papel das caixas de engrenagens nos sistemas de propulsão dos BEVs. Apesar da entrega consistente de torque do motor elétrico dos BEVs e da transmissão instantânea de potência a partir da imobilidade, os desafios persistem em altas velocidades, uma vez que os motores elétricos tradicionais apresentam um declínio pronunciado no torque em velocidades elevadas, o que é problemático quando maior potência é necessária. Este trabalho lança luz sobre esse assunto ao incluir caixas de engrenagens na arquitetura dos BEVs.

Trabalho completo:

The electrification of powertrains represents a significant paradigm shift in the automotive industry, evolving from fossil fuel reliance to electric propulsion systems, passing through different types of hybridization. Since the inception of mass-produced combustion vehicles in the late 19th century, internal combustion engines have dominated the automotive environment, albeit contributing to rising carbon dioxide emissions and global warming. The 1990s saw the emergence of battery electric vehicles (BEVs) as viable alternatives, prompting investigations into their efficiency and performance characteristics. This study compares two electric propulsion architectures, focusing on the role of gearboxes in BEVs? powertrains. Despite BEVs? electric motor?s consistent torque delivery and instantaneous power transmission from standstill, challenges persist at high speeds since traditional electric motors exhibit a pronounced decline in torque at elevated speeds, which are troublesome when greater power is needed. This work sheds light in this matter by including gearboxes in BEVs? architecture.

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DOI: 10.5151/simea2025-PAP04

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Como citar:

MARANHÃO, André de Arruda Falcão; SANTOS, Max Mauro Dias; LAGANA, Armando Antonio Maria Laganá; BARROS JUNIOR, Vitor Guilherme Coutinho de; "Análise comparativa de performance de veículos elétricos com diferentes tipos de transmissão", p. 15-20 . In: Anais do XXXII Simpósio Internacional de Engenharia. São Paulo: Blucher, 2025.
ISSN 2357-7592, DOI 10.5151/simea2025-PAP04

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