Exploració per autor "García Villoria, Alberto"
Ara es mostren els items 14-33 de 53
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Enhanced MILP model for the Accessibility Windows Assembly Line Balancing Problem (AWALBP)
Calleja Sanz, Gema; Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (2012)
Text en actes de congrés
Accés restringit per decisió de l'autorThe Accessibility Windows Assembly Line Balancing Problem (AWALBP) arises in those assembly lines where, as opposed to traditional assembly lines, the dimensions of the workpieces are larger than the width of the ... -
Equilibrado de líneas de montaje con ventanas de visibilidad. Descripción del problema y procedimiento heurístico de resolución
Calleja Sanz, Gema; Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (2014-09)
Article
Accés restringit per política de l'editorialAssembly line balancing problems (ALBPs) arise when designing or modifying an assembly or production line and usually consist in assigning the tasks to the workstations along the line in order to meet some given objectives. ... -
Erratum to “A solution procedure for type E simple assembly line balancing problem"
García Villoria, Alberto; Pastor Moreno, Rafael (2013-10-01)
Article
Accés restringit per política de l'editorialThe objective of SALBP-E is to minimize the product on the number of workstations by the cycle time. Recently Wei and Chao [Comput. Ind. Eng. 61 (2011) 824–830] have proposed an exact procedure for solving this problem. ... -
Evaluating optimization models to solve SALBP
Pastor Moreno, Rafael; Ferrer Martí, Laia; García Villoria, Alberto (Springer Verlag, 2007-08)
Article
Accés obertThis work evaluates the performance of constraint programming (CP) and integer programming (IP) formulations to solve the Simple Assembly Line Balancing Problem (SALBP) exactly. Traditionally, its exact solution by CP or ... -
Exact and Heuristic Approaches for the Visibility Windows Assembly Line Balancing Problem (VWALBP)
Calleja Sanz, Gema; Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (2011)
Text en actes de congrés
Accés restringit per decisió de l'autorIn this paper, we consider the problem that we name Visibility Windows Assembly Line Balancing Problem (VWALBP) [1], which arises in some actual automated production lines. In contrast to traditional assembly lines, the ... -
Exact and non-exact procedures for solving the response time variability problem (RTVP)
García Villoria, Alberto (Universitat Politècnica de Catalunya, 2010-07-05)
Tesi
Accés obertCuando se ha de compartir un recurso entre demandas (de productos, clientes, tareas, etc.) competitivas que requieren una atención regular, es importante programar el derecho al acceso del recurso de alguna forma justa de ... -
Existence and sizing of buffers in parallel assembly lines with multi-line workstations and different cycle times
Aguilar Gamarra, Harry Nick; Pastor Moreno, Rafael; García Villoria, Alberto (2021-04-21)
Article
Accés obertParallel Assembly Lines with multi-line stations (PALBs) have been widely studied in recent years because PALBs can help improve the efficiency of a production system. However, the need of buffers has not been considered ... -
Heuristic and metaheuristic procedures for the buffer sizing problem in parallel assembly lines balancing problem with multi-line workstations and different cycle times
Aguilar Gamarra, Harry Nick; García Villoria, Alberto; Pastor Moreno, Rafael (Elsevier, 2023-05)
Article
Accés restringit per política de l'editorialIn the parallel assembly lines balancing problem (PALBP) there is the possibility that the operators can perform the tasks assigned to their multi-line workstation on two adjacent lines. As a result, the line efficiency ... -
Heuristic indicators for the design of community off-grid electrification systems based on multiple renewable energies
Ranaboldo, Matteo; Ferrer Martí, Laia; García Villoria, Alberto; Pastor Moreno, Rafael (2013)
Article
Accés restringit per política de l'editorialOff-grid rural electrification project configurations which consider hybrid generation systems based on multiple renewable sources and the implementation of micro-grids are the most promising design solutions. The efficient ... -
Heuristics and simulated annealing procedures for the accessibility windows assembly line problem level 1 (AWALBP-L1)
García Villoria, Alberto; Corominas Subias, Albert; Pastor Moreno, Rafael (2015-10-01)
Article
Accés obertIn some assembly lines, the workpieces are larger than the workstations. This implies that at a given instant the workstations have access to only a portion of the workpieces. In this context, the accessibility windows ... -
Heurística basada en PLEM para resolver proyectos de electrificación rural
Triadó-Aymerich, Joan; Ferrer Martí, Laia; García Villoria, Alberto; Pastor Moreno, Rafael (2012)
Comunicació de congrés
Accés obertEn la literatura se ha propuesto un modelo matemático para diseños de electrificación rural con generación eólica y solar en el que tiene que decidirse la localización de cada uno de los componentes de generación y ... -
Heurística basada en un indicador de demanda y potencial para diseñar sistemas de electrificación
Ranaboldo, Matteo; Ferrer Martí, Laia; García Villoria, Alberto; Pastor Moreno, Rafael (2012)
Comunicació de congrés
Accés obert -
Heurísticas para el Visibility Windows Assembly Line Balancing Problem (VWALBP)
Calleja Sanz, Gema; Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (2011)
Text en actes de congrés
Accés restringit per decisió de l'autorEn este trabajo se trata el problema conocido como problema de equilibrado de líneas de montaje con ventanas de visibilidad o Visibility Windows Assembly Line Balancing Problem (VWALBP), que ocurre en varios entornos de ... -
Hybrid metaheuristics for the accessibility windows assembly line balancing problem level 2 (AWALBP-L2)
Calleja Sanz, Gema; Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (Elsevier, 2015-10-23)
Article
Accés obertThis paper addresses an assembly line balancing problem in which the length of the workpieces is larger than the width of the workstations. The problem differs from traditional variants of assembly line balancing in the ... -
Improving parametric Clarke and Wright algorithms by means of EAGH-1
Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (Institut d'Estadística de Catalunya, 2014-06-01)
Article
Accés obertSince Clarke and Wright proposed their well-known savings a lgorithm for solving the Capacitated Vehicle Routing Problem, several enhancements to the original savings formula have been recently proposed, in the form of ... -
Improving the resolution of the simple assembly line balancing problem type E
Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (Institut d'Estadística de Catalunya, 2016-07-01)
Article
Accés obertThe simple assembly line balancing problem type E (abbreviated as SALBP-E) occurs when the number of workstations and the cycle time are variables and the objective is to maximise the line efficiency. In contrast with other ... -
Mathematical models for buffer sizing problems in parallell assembly lines with multi-line stations and different cycle times
Aguilar Gamarra, Harry Nick; García Villoria, Alberto; Pastor Moreno, Rafael (2021-11-01)
Article
Accés restringit per política de l'editorialThe problem of balancing parallel assembly lines with multi-line stations have recently aroused great interest. In this type of lines, it is usual to work with different cycle times, which can cause multi-line stations to ... -
Metaheuristic procedures for the lexicographic bottleneck assembly line balancing problem
Pastor Moreno, Rafael; García Villoria, Alberto; Laguna, Manuel; Martí Cunquero, Rafael (2015-11-01)
Article
Accés obertThe goal of this work is to develop an improved procedure for the solution of the lexicographic bottleneck variant of the assembly line balancing problem (LB-ALBP). The objective of the LB-ALBP is to minimize the workload ... -
Methodology for integrated multicriteria decision-making with uncertainty: Extending the compromise ranking method for uncertain evaluation of alternatives
Juanpera Gallel, Marc; Domenech Léga, Bruno; Ferrer Martí, Laia; García Villoria, Alberto; Pastor Moreno, Rafael (2021-08)
Article
Accés restringit per política de l'editorialMaking a decision usually means selecting one from different alternatives to solve a problem according to a set of criteria. Multicriteria analysis usually offers a quantitative approach to ease decision-making by ranking ... -
MILP model for the mid-term production planning in a chemical company with non-constant consumption of raw materials. An industrial application
Adrio, Gerardo; García Villoria, Alberto; Juanpera Gallel, Marc; Pastor Moreno, Rafael (Elsevier, 2023-09)
Article
Accés restringit per política de l'editorialTwo particular features of a chemical problem with a production planning problem motivate the development of a novel ad-hoc mathematical model for the optimal solution: the consumption of raw materials may not be constant ...