Transient traffic energy-use analysis employing video-tracking and microscopic modeling techniques: A case study using electric and combustion engine vehicles
Por:
Hernández-Moreno A., Diego-Ayala U., Jazcilevich A., Hernández-Paniagua I.Y., Zavala-Reyes J.C., Suárez A., Rosas-Pérez I.
Publicada:
1 ene 2022
Resumen:
A system to obtain vehicular energy-use and emissions in transient traffic is proposed. It operates at a microscopic 1-s time scale, capturing critical stop-and-go dynamics in a controlled and repeatable computational environment. This allowed the definition of a sensitivity function linking energy-use to traffic flow, providing an additional comparison parameter. To obtain the dynamics data, crucial for transient traffic modeling implementation and validation, a video-tracking technique is used to overcome velocimeter and GPS data shortcomings. This approach allowed to observe and reproduce a traffic scene and agreed with a M/D/n queuing traffic model. Once the system contains precise dynamics, it can be implemented for traffic scenarios such as intersections, school areas, or future road projects. Any simulated vehicular technology can be incorporated into the analysis. A case study was implemented using 1000 electric (EV) and combustion engine vehicles (CV) interacting with trucks, buses, and motorcycles, while monitoring individual vehicular systems. These included the powertrain and regenerative braking to obtain energy-use and emissions. EVs proved to be not only more efficient, but less sensitive to traffic buildup than CVs. The techniques presented here, lend themselves to technological design and evaluation and allows testing real-life vehicular systems for sustainable traffic and energy planning. © 2022 The Authors. Energy Science & Engineering published by the Society of Chemical Industry and John Wiley & Sons Ltd.
Filiaciones:
Hernández-Moreno A.:
Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, Circuito de la Investigación Científica S/N, Ciudad Universitaria, Ciudad de México, Mexico
Diego-Ayala U.:
Escola Universitària Salesiana de Sarrià (EUSS), Barcelona, Spain
Jazcilevich A.:
Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, Circuito de la Investigación Científica S/N, Ciudad Universitaria, Ciudad de México, Mexico
Hernández-Paniagua I.Y.:
Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, Circuito de la Investigación Científica S/N, Ciudad Universitaria, Ciudad de México, Mexico
Zavala-Reyes J.C.:
Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, Circuito de la Investigación Científica S/N, Ciudad Universitaria, Ciudad de México, Mexico
Suárez A.:
Facultad de Arquitectura, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
Rosas-Pérez I.:
Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, Circuito de la Investigación Científica S/N, Ciudad Universitaria, Ciudad de México, Mexico
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