Ara es mostren els items 22-41 de 70

    • 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 ...
    • 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.
    • Improving bus travel times with passive traffic signal coordination 

      Estrada Romeu, Miguel Ángel; Trapote Barreira, César; Roca Riu, Mireia; Robusté Antón, Francesc (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A simulation optimization model is outlined: traffic signal offsets in intersections are calculated to minimize the travel time of bus users in an urban network. The model considers a passive signal priority system and ...
    • Informed versus non-informed taxi drivers: agent-based simulation framework for assessing their performance 

      Salanova Grau, Josep Maria; Moreira-Matas, Luis; Saadallah, Amal; Tzenos, Panagiotis; Aifadopoulou, Georgia; Chaniotakis, Emmanouil; Estrada Romeu, Miguel Ángel (Transportation Research Board (TRB), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Data driven research is becoming a standard in Transport. Recent advances in the Artificial Intelligence and Machine Learning related areas enable the possibility of automatically generating highly-accurate predictive ...
    • Innovación en la DUM y en la gestión de servicios urbanos 

      Estrada Romeu, Miguel Ángel (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • Large-scale microscopic simulation of taxi services: Berlin and Barcelona case studies 

      Maciejewski, Michal; Salanova Grau, Josep Maria; Bischoff, Joschka; Estrada Romeu, Miguel Ángel (Springer, 2016-06-01)
      Article
      Accés obert
      The paper presents research on large-scale microscopic simulation of taxi services in Berlin and Barcelona based on floating car data collected by local taxi fleets. Firstly, Berlin's and Barcelona's taxi markets are shortly ...
    • Las Nuevas tecnologías de la información y la distribución urbana de mercancías 

      Robusté Antón, Francesc; Campos Cacheda, Jose Magin; Estrada Romeu, Miguel Ángel; Galván, Dante (Ministerio de Industria, Turismo y Comercio, 2003)
      Article
      Accés obert
    • Learnings from urban bus network change 

      Trapote Barreira, César; Robusté Antón, Francesc; Badia Rodríguez, Hugo; Estrada Romeu, Miguel Ángel (Transportation Research Board (TRB), 2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      We present a strategy to improve bus service in urban networks that gives equal or better transit service and saves public resources: a win-win strategy. It consists on changing from “direct lines” to mobility centers from ...
    • Life-cycle analysis of last-mile parcel delivery using autonomous delivery robots 

      Lemardele, Clement; Pinheiro Melo, Sofia; Cerdas, Felipe; Herrmann, Christoph; Estrada Romeu, Miguel Ángel (2023-08)
      Article
      Accés obert
      The acceleration of global e-commerce brings an increasing environmental burden to urban last-mile logistics. Autonomous delivery robots (ADRs) have often been considered as an attractive solution to this challenge but, ...
    • Long-haul shipment optimization for less-than-truckload carriers 

      Estrada Romeu, Miguel Ángel; Robusté Antón, Francesc (2009)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Less-than-truckload (LTL) carriers supply freight transportation services for small parcel shipments. These companies consolidate multiple shipments in vehicles to guarantee the efficiency of the system. A method for LTL ...
    • Management of on-demand transport services at a urban context: Barcelona case study 

      Cuevas, Victor; Estrada Romeu, Miguel Ángel; Salanova Grau, Josep Maria (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Urban mobility transport mostly focuses on collective transport based on largely exploited models such as metro, trains or buses. The basis of current public transport is a fix network of both infrastructure and services, ...