Exploració per autor "García Villoria, Alberto"
Ara es mostren els items 30-49 de 53
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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 ... -
MILP-based heuristics for the design of rural community electrification projects
Triado Aymerich, Joan; Ferrer Martí, Laia; García Villoria, Alberto; Pastor Moreno, Rafael (2016-07-01)
Article
Accés obertWind-photovoltaic systems are a suitable option to provide electricity to isolated communities autonomously. To design these systems, there are recent mathematical models that solve the location and type of each of the ... -
Minimising maximum response time
García Villoria, Alberto; Pastor Moreno, Rafael (2013-10)
Article
Accés restringit per política de l'editorialThe minmax response time problem (mRTP) is a scheduling problem that has recently appeared in the literature and can be considered as a fair sequencing problem. This kind of problems appears in a wide range of real-world ... -
Modelo de PLEM mejorado para el 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 Prob-lem (AWALBP) occurs in those assembly lines where the length of the workpiec-es is large relative to the width of the workstations. As a result, each workstation can ... -
Multi-manned assembly line balancing problem with dependent task times: a heuristic based on solving a partition problem with constraints
Andreu Casas, Enric; García Villoria, Alberto; Pastor Moreno, Rafael (2022-01-01)
Article
Accés restringit per política de l'editorialThis paper aims to study a variant of the multi-manned assembly line balancing problem (MALBP), which considers the possibility of multiple workers simultaneously performing different tasks at the same workstation. In most ... -
Off-grid community electrification projects based on wind and solar energies: A case study in Nicaragua
Ranaboldo, Matteo; Domenech, Bruno; Reyes, Gustavo Alberto; Ferrer Martí, Laia; Pastor Moreno, Rafael; García Villoria, Alberto (2015-07-01)
Article
Accés obertDespite various institutional efforts, about 22% of the total Nicaraguan population still do not have access to electricity. Due to the dispersed nature of many rural inhabitants, off-grid electrification systems that use ... -
Optimización del diseño de sistemas de electrificación rural con energías renovables para países en desarrollo
Ferrer Martí, Laia; Domenech Léga, Bruno; García Villoria, Alberto; Pastor Moreno, Rafael (2017)
Comunicació de congrés
Accés obert -
Renewable energy projects to electrify rural communities in Cape Verde
Ranaboldo, Matteo; Domenech Léga, Bruno; Vilar, David; Ferrer Martí, Laia; Pastor Moreno, Rafael; García Villoria, Alberto (2014)
Article
Accés restringit per política de l'editorialEven though Cape Verde has high wind and solar energy resources, the conventional strategy for increasing access to electricity in isolated rural areas is by centralized microgrids with diesel generators. In this study, ... -
Resolución del Response Time Variability Problem mediante tabu search
Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (2009-06-18)
Text en actes de congrés
Accés obertEl Response Time Variability Problem (RTVP) es un problema combinatorio de scheduling publicado recientemente en la literatura. Dicho problema de optimización combinatoria es muy fácil de formular pero muy difícil de ... -
Scheduling commercial advertisements for television
García Villoria, Alberto; Salhi, Said (Taylor & Francis, 2014)
Article
Accés restringit per política de l'editorialThe problem of scheduling the commercial advertisements in the television industry is investigated. Each advertiser client demands that the multiple airings of the same brand advertisement should be as spaced as possible ... -
Solving the accessibility windows assembly line problem level 1 and variant 1 (AWALBP-L1-1) with precedence constraints
García Villoria, Alberto; Corominas Subias, Albert; Nadal Solà, Adrià; Pastor Moreno, Rafael (Elsevier, 2018-01-01)
Article
Accés obertAssembly line balancing problems (ALBPs) are among the most studied combinatorial optimization problems due to their relevance in many production systems. In particular, the accessibility windows ALBP (AWALBP) may arise ... -
Solving the Response Time Variability Problem by means of a psychoclonal approach
García Villoria, Alberto; Pastor Moreno, Rafael (2008-03)
Report de recerca
Accés obertThe Response Time Variability Problem (RTVP) is a combinatorial scheduling problem which has recently appeared in the literature. This problem has a wide range of reallife applications in, for example, manufacturing, hard ... -
Solving the Response Time Variability Problem by means of a variable neighbourhood search algorithm
Corominas Subias, Albert; García Villoria, Alberto; Pastor Moreno, Rafael (2009-06-05)
Comunicació de congrés
Accés obertAbstract: The Response Time Variability Problem (RTVP) is a NP-hard combinatorial scheduling problem which has recently reported and formalised in the literature. This problem has a wide range of real-world applications ... -
Solving the Response Time Variability Problem by means of metaheuristics
García Villoria, Alberto; Pastor Moreno, Rafael; Corominas Subias, Albert (IOS Press, 2006-10)
Article
Accés obertThe Response Time Variability Problem (RTVP) is a combinatorial NPhard problem which has a wide range of real-life applications. It has recently appeared in the literature and has therefore not been widely discussed to ... -
Solving the Response Time Variability Problem by means of the electromagnetism-like mechanism
García Villoria, Alberto; Pastor Moreno, Rafael (2008-03)
Report de recerca
Accés obertThe Response Time Variability Problem (RTVP) is an NP-hard combinatorial scheduling problem that has recently appeared in the literature. The RTVP has a wide range of real-life applications such as in the automobile industry, ... -
Solving the response time variability problem by means of the electromagnetism-like mechanism
García Villoria, Alberto; Pastor Moreno, Rafael (2009-12-11)
Article
Accés restringit per política de l'editorialThe response time variability problem (RTVP) is an NP-hard combinatorial scheduling problem that has been recently formalised in the literature. The RTVP has a wide range of real-life applications such as in the automobile ... -
Teaching advanced quantitative techniques through a competitive project
Domenech Léga, Bruno; García Villoria, Alberto; Maquirriain Antoñanzas, Javier; Pastor Moreno, Rafael (Universitat Politècnica de Catalunya, 2022-09)
Text en actes de congrés
Accés obertHeuristics, metaheuristics and matheuristics are quantitative techniques that can be used to solve complex combinatorial optimisation problems for many engineering applications (industry, logistics, supply chain, scheduling, ...