Browsing by Author "Juan Pérez, Angel Alejandro"
Now showing items 1-20 of 28
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A hybrid algorithm combining heuristics with Monte Carlo simulation for solving the Stochastic Flow Shop Problem
(2011)
Conference report
Open AccessIn this paper a hybrid simulation-based algorithm is proposed for the Stochastic Flow Shop Problem. The main idea of the methodology is to transform the stochastic problem into a deterministic problem and then apply ... -
A hybrid algorithm combining path scanning and biased random sampling for the Arc Routing Problem
(2011)
Conference report
Open AccessThe Arc Routing Problem is a kind of NP-hard routing problems where the demand is located in some of the arcs connecting nodes and should be completely served fulfilling certain constraints. This paper presents a hybrid ... -
A Parameter-free approach for solving combinatorial optimization problems through biased randomization of efficient heuristics
(2011-01)
Article
Open AccessThis paper discusses the use of probabilistic or randomized algorithms for solving combinatorial optimization problems. Our approach employs non-uniform probability distributions to add a biased random behavior to classical ... -
A simulation study regarding different aircraft boarding strategies
(Springer, 2013-06-07)
Part of book or chapter of book
Open AccessThe airline industry is constantly subject to the search of new methods in order to increase efficiency, profitability, and customer satisfaction. Since airlines only generate revenue when their airplanes are on the air, ... -
A simulation-based algorithm for solving the Vehicle Routing Problem with Stochastic Demands
(2011)
Conference report
Open AccessThis paper proposes a flexible solution methodology for solving the Vehicle Routing Problem with Stochastic Demands (VRPSD). The logic behind this methodology is to transform the issue of solving a given VRPSD instance ... -
A simulation-based approach for solving the flowshop problem
(2010)
Conference lecture
Open AccessA simulation-based algorithm for the Permutation Flowshop Sequencing Problem (PFSP) is presented. The algorithm uses Monte Carlo Simulation and a discrete version of the triangular distribution to incorporate a randomness ... -
Aplicación de un algoritmo randomizado a un problema real de enrutamiento de vehículos heterogéneos
(2012)
Conference report
Open AccessLa problemática del enrutamiento de vehículos cobra cada vez más importancia en el plano empresarial y estatal. Esta área de estudio ha experimentado grandes avances teóricos, pero se ha mantenido a cierta distancia de ... -
Applications of discrete-event simulation to reliability and availability assesment in civil engineering structures
(2009)
Conference report
Open AccessThis paper discusses the convenience of predicting, quantitatively, time-dependent reliability and availability levels asso-ciated with most building or civil engineering structures. Then, the paper reviews different ... -
Aprendizaje virtual de las matemáticas
(UOC, 2012)
Article
Open AccessLes tecnologies educatives van canviant la manera d’impartir l’ensenyament superior. Aquestes tecnologies inclouen, entre altres, els entorns d’aprenentatge virtual o sistemes de gestió d’aprenentatge individual i ... -
Combinando randomización sesgada y búsqueda local iterativa para resolver problemas de flow-shop
(2012)
Conference report
Open AccessA la hora de poder aplicar algoritmos te oricos a casos reales, no solo resulta conveniente que el algoritmo sea e ciente sino tambi en que sea lo m as comprensible posible y que no requiera de comple- jos procesos de ... -
Combining biased randomization with meta-heuristics for solving the multi-depot vehicle routing problem
(2012)
Conference lecture
Restricted access - publisher's policyThis paper proposes a hybrid algorithm, combining Biased-Randomized (BR) processes with an Iterated Local Search (ILS) meta-heuristic, to solve the Multi-Depot Vehicle Routing Problem (MDVRP). Our approach assumes a ... -
Combining constraint programming, lagrangean relaxation and probabilistic algorithms to solve the vehicle routing problem
(2011)
Article
Restricted access - publisher's policyThis paper presents an original hybrid approach to solve the Capacitated Vehicle Routing Problem (CVRP). The approach combines a Probabilistic Algorithm with Constraint Programming (CP) and Lagrangian Relaxation (LR). ... -
Combining Monte-Carlo simulation with heuristics for solving the inventory routing problem with stochastic demands
(2012)
Conference lecture
Restricted access - publisher's policyIn this paper, we introduce a simulation-based algorithm for solving the single-period Inventory Routing Problem (IRP) with stochastic demands. Our approach, which combines simulation with heuristics, considers different ... -
Enseñanza de las matemáticas asistida por las tecnologías del aprendizaje y la comunicación: el proyecto M@thelearning
(2011)
Article
Open Access... El auge de las TAC en general, y de Internet en particular, ha traído con ellos la aparición de numerosos espacios virtuales de aprendizaje de las matemáticas que, en muchos casos, refuerzan o complementan los métodos ... -
On the use of Monte Carlo simulation, cache and splitting techniques to improve the clarke and wright savings heuristics
(2011)
Article
Restricted access - publisher's policyThis paper presents the SR-GCWS-CS probabilistic algorithm that combines Monte Carlo simulation with splitting techniques and the Clarke and Wright savings heuristic to find competitive quasi-optimal solutions to the ... -
Quadern de pràctiques amb MInitab
(Universitat Politècnica de Catalunya, 2005)
Lecture notes / Practical exercise
Open Access -
Sensing users selection with overhead reduction for cognitive wireless ad-hoc networks
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
Conference report
Open AccessCognitive Wireless Ad-Hoc Networks use cooperation in order to sense the spectrum accurately. However, the space diversity provided by the cooperative sensing is only efficient when the sensing users are selected appropriately. ... -
Simulation education in the internet age: some experiences on the use of pure online and blended learning models
(2009-12-13)
Conference report
Open AccessIn this paper we analyze several cases related to three different Spanish universities that make use of the World Wide Web to teach simulation courses online. These universities are the Open University of Catalonia, the ... -
Solving the capacitated vehicle routing problem with environmental criteria based on real estimations in road transportation: a case study
(Elsevier, 2011)
Conference report
Open AccessOne of the most important objectives in company logistics is the optimization of goods distribution considering the whole value chain. There are many algorithms to optimise the capacitated vehicle routing problems (CVRP) ... -
Solving the VRP with probabilistic algorithms supported by constraint programming
(2010)
Conference report
Open AccessAmong the human-being problems, there are those which carry with the exploration of a number of feasible and unfeasible possible solutions. These have been a challenge faced constructing specific strategies. Thus, techniques ...
