Ara es mostren els items 14-33 de 73

    • Battery electric bus network: efficient design and cost comparison of different powertrains 

      Barraza Aguilar, Orlando Marath; Estrada Romeu, Miguel Ángel (2021-05)
      Article
      Accés obert
      Recent advances in the electromobility of bus fleets improve transit service sustainability but require the development of vehicle recharging facilities. The paper defines a methodology to design an efficient transit network ...
    • Boost I&E concept for urban mobility education 

      Sayrol Clols, Elisa; Roncoli, Claudio; Aba, Attila; Banfi, Miklos; Bloemer, Alexander; Bragós Bardia, Ramon; Estrada Romeu, Miguel Ángel; Macario, Rosario; Marques da Costa, Nuno; Minner, Stefan; Mohammadi, Roozbeh; Pinhas, Nathan; Shiftan, Yoram; Ribas Vila, Immaculada; Witlox, Frank (Universitat Politècnica de Catalunya, 2022-09)
      Text en actes de congrés
      Accés obert
      Modern higher education needs to provide skills needed in working life, such as entrepreneurship, besides the more traditional technological competence. The Boost I&E Project2 was developed in 2020 and 2021 with the aim ...
    • Bus control strategies in corridors with signalized intersections 

      Estrada Romeu, Miguel Ángel; Mension, Josep; Aymamí, Josep M; Torres, Laura (2016-10)
      Article
      Accés obert
      This paper proposes a new dynamic bus control strategy aimed at reducing the negative effects of time-headway variations on route performance, based on real-time bus tracking data at stops. In routes with high demand, any ...
    • Bus network structure and mobility pattern: a monocentric analytical approach on a grid street layout 

      Badia Rodríguez, Hugo; Estrada Romeu, Miguel Ángel; Robusté Antón, Francesc (2016-11)
      Article
      Accés obert
      This study discusses which transit network structure is the best option to serve urban mobility. As a consequence of the evolution of urban form, cities have undergone a process of dispersion of their activities that has ...
    • Charging operations in battery electric bus systems at the depot 

      Campos Cacheda, Jose Magin; Mension, Josep; Estrada Romeu, Miguel Ángel (2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper analyzes the effect of the limited range of battery electric bus on the operation of the bus services charged at the bus garage. A model has been built to calculate the performance of the routes according to the ...
    • Charging operations in battery electric bus systems at the depot 

      Campos Cacheda, Jose Magin; Mension Camps, Josep; Estrada Romeu, Miguel Ángel (Elsevier, 2021)
      Article
      Accés obert
      This paper analyzes the effect of the limited range of battery electric bus on the operation of the bus services charged at the bus garage. A model has been built to calculate the performance of the routes according to the ...
    • Charging operations in battery electric bus systems considering fleet size variability along the service 

      Estrada Romeu, Miguel Ángel; Mension Camps, Josep; Salicrú Pagés, Miguel; Badia Rodríguez, Hugo (2022-05)
      Article
      Accés obert
      This paper analyzes the new operations induced by the energy range limitation in battery electric bus (BEB) systems to ensure the service provision along the whole day. An operating model has been developed to estimate the ...
    • City logistics: challenges and opportunities for technology providers 

      Bachofner, Monika; Lemardele, Clement; Estrada Romeu, Miguel Ángel; Pagès Giralt, Laia (Elsevier, 2022-12)
      Article
      Accés obert
      Current last-mile logistics operations are inefficient. The economic competitiveness of logistics service providers is affected by distinct factors, such as the limited time windows they are given to deliver freight in ...
    • Designing new models for energy efficiency in urban freight transport for smart cities and its application to the Spanish case 

      Navarro, Carolina; Roca Riu, Mireia; Furió, S.; Estrada Romeu, Miguel Ángel (Elsevier, 2015)
      Text en actes de congrés
      Accés obert
      Considering that the transport sector is responsible for 30% of the CO2 emissions in the EU, reaching up to 40% in urban areas, the efforts for technological improvements and innovation in transportation have been increasing ...
    • Diseño de redes de movilidad en bicicleta utilizando técnicas de aproximación continua 

      Caicedo Mafla, María Angélica; Estrada Romeu, Miguel Ángel (Universidad de La Laguna. Servicio de Publicaciones, 2023)
      Text en actes de congrés
      Accés obert
      El uso de la bicicleta como medio de transporte sostenible ha aumentado en todo el mundo, lo que ha llevado a numerosos estudios sobre la mejora del diseño y la gestión de los sistemas de movilidad ciclista. Proporcionar ...
    • Disseny eficient de xarxes de transport públic col·lectiu en zones urbanes 

      Estrada Romeu, Miguel Ángel; Robusté Antón, Francesc; Badia Rodríguez, Hugo (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
      Comunicació de congrés
      Accés obert
      Aquest treball presenta i valida un mètode de disseny de xarxes de transport públic d’altes prestacions. El mètode proposa diferents esquemes conceptuals de xarxes per idealitzacions geomètriques d'una ciutat particular, ...
    • Does size really matter? Dual distribution channel with vans and autonomous delivery devices 

      Lemardele, Clement; Estrada Romeu, Miguel Ángel (Elsevier, 2021-12)
      Article
      Accés obert
      E-commerce sales worldwide are expected to skyrocket in future years, increasing freight traffic in cities. In this context, sidewalk autonomous delivery devices (ADDs) show great potentialities to decrease carriers’ ...
    • Does size really matter? Dual distribution channel with vans and autonomous delivery devices 

      Lemardele, Clement; Estrada Romeu, Miguel Ángel (Universidad de Burgos. Servicio de publicaciones e imagen institucional, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      E-commerce sales worldwide are expected to skyrocket in future years, increasing freight traffic in cities. In this context, sidewalk autonomous delivery devices (ADDs) show great potentialities to decrease carriers’ ...
    • DRT service requirements and KPIs. Multidepart. DEL01 

      Ayfantopoulou, Georgia; Salanova Grau, Josep Maria; Mitsakis, Evangelos; Morfoulaki, Maria; Caicedo Mafla, María Angélica; Juárez Batlle, Cristina; Estrada Romeu, Miguel Ángel; Dani, Eglantina; Jofre, Martí; Fíguls, Marc (2021-06-30)
      Report de recerca
      Accés obert
      As a part of MultiDEPART project, a series of surveys to key stakeholders have been done and analysed in order to obtain further information on typologies of DRT services and their acceptance. In the first part of the ...
    • Effect of variable bus speeds on bus network design 

      Foletta, Nicole; Estrada Romeu, Miguel Ángel; Roca-Riu, Mireia; Martí, P (2010)
      Article
      Accés obert
      This article provides a methodology for solving the bus network design problem, covering network design and frequency setting and taking into consideration that commercial speeds of buses vary depending on the aggregated ...
    • ¿Están los sistemas de transporte a la demanda justificados para reemplazar el servicio de bus convencional? 

      Cardona Olives, Pau; Estrada Romeu, Miguel Ángel (Universidad de La Laguna. Servicio de Publicaciones, 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Este estudio se presenta un modelo basado en aproximaciones continuas para determinar bajo que escenarios pueden las agencias de transporte justificar la sustitución de servicios de autobús convencionales por transporte a ...
    • Estimación de la longitud óptima de la red de autobuses considerando los efectos sobre el vehículo privado 

      Amat, Jordi; Estrada Romeu, Miguel Ángel; Robusté Antón, Francesc; Badia Rodríguez, Hugo (Editorial Universidad de Granada, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      El presente trabajo trata la optimización del diseño de redes de autobús de altas prestaciones teniendo en cuenta los costes de los usuarios y el operador del bus junto con los costes del vehículo privado. Investigaciones ...
    • Estratègies de distribució de mercaderies per fomentar una mobilitat més sostenible 

      Estrada Romeu, Miguel Ángel; Campos Cacheda, Jose Magin (2017-11)
      Article
      Accés restringit per política de l'editorial
      L’objectiu d’aquest article és identificar si les mesures innovadores sobre la DUM (distribució urbana de mercaderies) que estan plantejant les diferents administracions són compatibles amb les relacions econòmiques entre ...
    • Formulas for Estimating Average Distance Traveled in Vehicle Routing Problems in Elliptic Zones 

      Robusté Antón, Francesc; Estrada Romeu, Miguel Ángel; López Pita, Andrés (Transportation Research Board of the National Academies, 2004)
      Article
      Accés obert
      This paper defines some compact expressions to evaluate the average distance traveled in VRP problems in circular and elliptic zones. These formulas have been carried out empirically from the results obtained by the application ...
    • Headway adherence: detection and reduction of the bus bunching effect 

      Mension, Josep; Estrada Romeu, Miguel Ángel (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We propose a work on detection and reduction of the bus bunching effect, which appears when two or more buses run one after the other and causes inefficiency, decrease in transport capacity and a loss of service quality.