Mainstream Traffic Flow Control on Freeways Using Variable Speed Limits

Authors

  • Rodrigo Castelan Carlson Center for Mobility Engineering and Post-graduate Program in Automation and Systems Engineering Federal University of Santa Catarina
  • Ioannis Papamichail Dynamic Systems and Simulation Laboratory Technical University of Crete
  • Markos Papageorgiou Dynamic Systems and Simulation Laboratory Technical University of Crete

DOI:

https://doi.org/10.4237/transportes.v21i3.694

Abstract

Controle do Fluxo Principal (CFP), realizado via limites de velocidade variáveis, é um conceito de controle para o gerenciamento em tempo real do tráfego em rodovias. Os benefícios de CFP para a fluidez do tráfego foram demonstrados por pesquisas recentes que utilizaram uma abordagem de controle ótimo e uma abordagem de controle realimentado. Neste artigo, as duas abordagens de controle são revisadas e aplicadas a uma malha rodoviária em um ambiente de simulação. O modelo utilizado da malha rodoviária, que reproduz um anel viário real, foi validado e alimentado com demandas medidas em campo. Os resultados de controle ótimo e controle realimentado são discutidos e comparados, e produzem melhora significativa no desempenho do sistema. A estrutura de controle realimentado é considerada apropriada para a aplicação em campo, uma vez que considera requisitos e restrições operacionais, e apresenta resultados satisfatórios. Além disto, o desempenho do sistema de controle mostrou pouca sensibilidade a variações nos parâmetros do controlador realimentado. Este resultado indica que os esforços para sintonia do controlador em campo podem ser reduzidos.

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Author Biography

Rodrigo Castelan Carlson, Center for Mobility Engineering and Post-graduate Program in Automation and Systems Engineering Federal University of Santa Catarina

Departamento de Automação de Sistemas

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V. 21, n. 3, Dez. 2013

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Published

2013-11-14

How to Cite

Carlson, R. C., Papamichail, I., & Papageorgiou, M. (2013). Mainstream Traffic Flow Control on Freeways Using Variable Speed Limits. TRANSPORTES, 21(3), 56–65. https://doi.org/10.4237/transportes.v21i3.694

Issue

Vol. 21 No. 3 (2013)

Section

Artigos

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