Exploració per autor "Ribas Vila, Immaculada"
Ara es mostren els items 47-66 de 68
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New best solutions for the blocking flow shop problem
Companys Pascual, Ramón; Ribas Vila, Immaculada (2011-01-03)
Report de recerca
Accés obert -
New insights on the blocking flow shop problem
Companys Pascual, Ramón; Ribas Vila, Immaculada (2010-02-01)
Report de recerca
Accés obertWe present some results attained with different algorithms for the Fm|block|Cmax problem using as experimental data the well-known Taillard instances. -
New insights on the blocking flow shop problem best solutions updated. Vol.5
Companys Pascual, Ramón; Ribas Vila, Immaculada (2011-02-01)
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Accés obert -
New insights on the blocking flow shop problem best solutions updated. Vol.6
Companys Pascual, Ramón; Ribas Vila, Immaculada (2011-11-11)
Report de recerca
Accés obertThis paper is the 5th updated version of “New insights on the blocking flow shop problem” (January 2010). Each release updates the solutions of precedent releases The values of the 2nd release (February 2010) were reproduced ... -
New insights on the blocking flow shop problem best solutions updated. Vol.7
Companys Pascual, Ramón; Ribas Vila, Immaculada (2012-04-30)
Report de recerca
Accés restringit per decisió de l'autorBest solutions of taillard instances viewed as Fm|Block|Cmax problem instances. -
Newinsights on the blocking flow shop problem best solutions updated
Companys Pascual, Ramón; Ribas Vila, Immaculada (2010-12-13)
Report de recerca
Accés obertupdate of the best solution for Taillard's instances on the blocking flow shop problem -
Note on the behaviour of an improvement heuristic on permutation and blocking flow-shop scheduling
Companys Pascual, Ramón; Ribas Vila, Immaculada; Mateo Doll, Manuel (2010)
Article
Accés restringit per política de l'editorialThis work deals with the permutation flow-shop scheduling problem with and without storage space between stages, where the performance criterion is the makespan. Many proposed procedures to solve these problems have an ... -
On tie-breakers and other exotic Tools for the NEH Algorithm
Companys Pascual, Ramón; Ribas Vila, Immaculada (2010-02-01)
Report de recerca
Accés obertEste es el primero de tres trabajos dedicados a procedimientos de resolución de los problemas flowshop con criterio minimización del makespan, basados en la clásica heurística de Nawaz, Enscore y Ham. Consideramos dos casos ... -
On-demand shared ride-hailing for commuting purposes: comparison of Barcelona and Hanover case studies
Gilibert Junyent, Mireia; Ribas Vila, Immaculada; Rosen, Christian; Siebeneich, Alexander (Elsevier, 2020-03-20)
Article
Accés restringit per política de l'editorialThe increase of urbanization is associated to the rise of urban traffic, leading to the growth of environmental and health problems. Cities all over the world are starting to implement driving restrictions to address these ... -
Planificación estratégica de la capacidad en una empresa del sector alimentación (Strategic multi-site capacity planning for a food industry)
Companys, Ramon; Ribas Vila, Immaculada; Bautista Valhondo, Joaquín (Universidad Politécnica de Madrid (UPM), 2012-12)
Article
Accés obertThis paper describes the proposed procedure for the multi-site capacity planning of a food company that was obliged to move one of its production sites to a new location. Due to this change the managers of the company ... -
Planificación estratégica de la capacidad en una empresa del sector limentación
Companys Pascual, Ramón; Ribas Vila, Immaculada; Bautista Valhondo, Joaquín (2012-10-11)
Article
Accés obertEn esta comunicación se describe el procedimiento propuesto a una empresa del sector de la alimentación para planificar la capacidad productiva de las diferentes plantas aprovechando el cambio de ubicación forzoso de una ... -
Programación de la producción en un sistema flow shop híbrido sin esperas y tiempos de preparación dependientes de la secuencia.
Ribas Vila, Immaculada; Companys Pascual, Ramón (2006-03-01)
Report de recerca
Accés obertSe estudia la programación de la producción en sistemas flow shop híbrido con tiempos de preparación dependientes de la secuencia de piezas a fabricar. Las piezas pueden pertenecer a diferentes familias y las máquinas ... -
Propuesta de procedimientos para mejorar los resultados obtenidos por la heurística NEH en el problema flow shop con bloqueos
Companys Pascual, Ramón; Ribas Vila, Immaculada; Mateo Doll, Manuel (Servicio Editorial de la Universidad del Pais Vasco, 2010)
Text en actes de congrés
Accés obertEn este trabajo se han analizado formas de incrementar la calidad de las soluciones obtenidas por la heurística NEH al aplicarla al problema de programación de piezas en un sistema flow shop con bloqueos con el objetivo ... -
Review and classification of hybrid flow shop scheduling problems from a production system and a solutions procedure perspective
Ribas Vila, Immaculada; Leisten, Rainer; Framiñan, José Manuel (2010-08)
Article
Accés restringit per política de l'editorialIn this paper, an extensive review of recently published papers on hybrid flow shop (HFS) scheduling problems is presented. The papers are classified first according to the HFS characteristics and production limitations ... -
Servicios de movilidad compartida
Ribas Vila, Immaculada (2021-07-18)
Article
Accés obertLas medidas de confinamiento y reducción de la movilidad impuestas para limitar la expansión del coronavirus tuvieron un impacto positivo en la mejora de la calidad del aire y la reducción del ruido en la ciudad. Del 16 ... -
Solving the Fm|block|Cmax problem using bounded dynamic programming
Bautista Valhondo, Joaquín; Cano Pérez, Alberto; Companys Pascual, Ramón; Ribas Vila, Immaculada (2011-11)
Article
Accés obertWe present some results attained with two variants of Bounded Dynamic Programming algorithm to solve the Fm|block|Cmax problem using as an experimental data the well-known Taillard instances. We have improved the best known ... -
Some trends and applications of operational research/management science to operations management
Companys Pascual, Ramón; Ribas Vila, Immaculada (2015-01-10)
Article
Accés obertThe editor suggested us to write about our point of view on the current use of Operations Research techniques applied to the Operations Management and about its future evolution. With some of unconsciousness we accept it, ... -
Some trends and applications of operational research/management science to operations management
Companys Pascual, Ramón; Ribas Vila, Immaculada (2015-01-15)
Article
Accés obertThe editor suggested us to write about our point of view on the current use of Operations Research techniques applied to the Operations Management and about its future evolution. With some of unconsciousness we accept it, ... -
Study of on-demand shared ride-hailing commuting service: first results from a case study in Barcelona
Gilibert Junyent, Mireia; Ribas Vila, Immaculada; Rodríguez Donaire, Silvia (Brebbia - Wessex Institut of Technology, 2019)
Text en actes de congrés
Accés obertShared ride-hailing services are discreetly emerging in cities all over the world, with the purpose of providing a transport service more flexible than the public bus and cheaper than the regular taxi. Hence, it is important ... -
Synergies between app-based car-related Shared Mobility Services for the development of more profitable business models
Gilibert Junyent, Mireia; Ribas Vila, Immaculada (OmniaScience, 2019-12)
Article
Accés obertPurpose: Emerging shared mobility services are an opportunity for cities to reduce the number of car single trips to both improve traffic congestion and the environment. Users of shared mobility services, such as carsharing, ...