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Arquitetura de veículos

Prof. Dr. Marcelo A. L. Alves
 Escola Politécnica da USP
 marcelo.alves@poli.usp.br
Introdução

 Arquitetura de veículos
     Distribuição interna dos componentes e
      ocupantes do veículo
     Influência de diversos aspectos do veículo
     Resolvida em diferentes etapas do projeto dos
      veículos.
Influências

 Estética/ Aerodinâmica
 Uso
 Projeto do habitáculo
     Ergonomia
 Fabricação
 Estrutura
 Dinâmica
     Posição do C.G
     Momentos de inércia
Estrutura

 Chassis
Chassis
Chassis

 Facilidade de montagem
 Versatilidade
 Adequação aos componentes
     Molas semi-elípticas
 Organização da indústria
     Fabricantes de chassis X carrocerias
Chassis

 Preocupação principal com a flexão
 Modelo estrutural: grelha
 Pouca resistência à torção
     Influência na dirigibilidade
 Chassis e carroceria funcionam como
  estruturas independentes
Chassis
Chassis - Carroceria
Chassis tubular
Chassis Tubular
Chassis Tubular
Monobloco
Monobloco

 Maior rigidez torcional
 Tipo de estrutura mais usada nos veículos de
  passeio fabricados em série.
 Chapas de aço cortadas/dobradas soldadas à
  ponto.
 Surgiu nos anos 30.
Monobloco - Gaiola

 Materiais dissimilares
Monobloco - Plataforma

 Desenvolvimento de plataformas
     Compartilhamento de mesma estrutura básica
     Compartilhamento dos componentes principais
       Powertrain
       Suspensão

       Direção
Design
Design
Ergonomia
Ergonomia
Packaging

 Estudo de distribuição dos sistemas do
  veículo
     Estimativa de volumes e áreas ocupadas pelos
      diferentes sistemas do veículo
     Localização dos sistemas no interior do veículo
Packaging
Packaging – Localização do CG


  C.G.
Packaging - Estrutura
Futuro

 Novos materiais
 Novas tecnologias de propulsão
 Novas tecnologias de controle e condução do
  veículo
Futuro
Futuro

 Novos sistemas de propulsão, suspensão
  direção.
Futuro
Futuro
Futuro

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Arquitetura de veículos: distribuição e influências