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Listar por palabra clave "Optimization"

Mostrando ítems 1-20 de 580

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A comprehensive study of two-stage vapor compression cycles with vapor-injection for heating applications, taking into account heat sink of finite capacity

Tello Oquendo, Fernando M.; Navarro-Peris, Emilio; Gonzálvez-Maciá, José (Elsevier, 2018-09)

[EN] This paper presents a comprehensive study of two-stage vapor compression cycles with vapor-injection for several refrigerants considering that the heat sink has a limited capacity. The key parameters of the cycle ...
A conceptual numerical model to simulate hydraulic head in aquifers that are hydraulically connected to surface water bodies

Pulido Velázquez, David; Sahuquillo Herráiz, Andrés; Andreu Álvarez, Joaquín (Wiley: 12 months, 2011-07)

In this paper, we present a conceptual-numerical model that can be deduced from a calibrated finite difference groundwater-flow model, which provides a parsimonious approach to simulate and analyze hydraulic heads and ...
A coupled stochastic inverse-management framework for dealing with nonpoint agriculture pollution under groundwater parameter uncertainty

Llopis Albert, Carlos; Palacios Marqués, Daniel; Merigó, José M. (Elsevier, 2014-04-16)

In this paper a methodology for the stochastic management of groundwater quality problems is presented, which can be used to provide agricultural advisory services. A stochastic algorithm to solve the coupled flow and mass ...
A decentralized production and distribution planning model in an uncertain environment

HEGEMAN, JOHANNES; Peidro Payá, David; Alemany Díaz, María del Mar; Díaz-Madroñero Boluda, Francisco Manuel (Springer Verlag, 2014-02-16)

[EN] Distributed Decision Making (DDM) is a discipline of decision theory in which decision making power is distributed among several decision making units. Supply Chain planning problems usually involve multiple ...
A Decision Support Tool for the Selection of Promoting Actions to Encourage Collaboration in Projects for the Agriculture Sector

Alemany Díaz, María Del Mar; Alarcón Valero, Faustino; Pérez Perales, David; Guyon, C. (Springer, 2020)

[EN] Development and innovation agencies promote consortiums of agricultural stakeholders to collaborate in the proposal of projects for public calls. To achieve this partnerships, these agencies should select between ...
A family of modified Ostrowski's method with optimal eighth order of convergence

Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Vassileva, María Penkova (Elsevier, 2011-12)

In this paper, we derive a new family of eighth-order methods for obtaining simple roots of nonlinear equations by using the weight function method. Each iteration of these methods requires three evaluations of the function ...
A Flexible Methodology to Sectorize Water Supply Networks Based on Social Network Theory Concepts and on Multi-objective Optimization

Campbell-Gonzalez, Enrique; Izquierdo Sebastián, Joaquín; Montalvo Arango, Idel; Ilaya-Ayza, Amilkar Ernesto; Pérez García, Rafael; Tavera, Mario (IWA Publishing, 2016-01)

A novel methodology to sectorize water supply networks (WSNs) depending on a main transmission line is presented in this paper. The methodology is based on concepts derived from the social network theory and graph theory ...
A Hybrid k-Means Cuckoo Search Algorithm Applied to the Counterfort Retaining Walls Problem

García, José; Yepes, V.; Martí Albiñana, José Vicente (MDPI AG, 2020-04)

[EN] The counterfort retaining wall is one of the most frequent structures used in civil engineering. In this structure, optimization of cost and CO2 emissions are important. The first is relevant in the competitiveness ...
A hybrid metaheuristic with learning for a real supply chain scheduling problem

Pérez, Christian; Climent, Laura; Nicoló, Giancarlo; Arbelaez, Alejandro; Salido, Miguel A. (Elsevier, 2023-11)

[EN] In recent decades, research on supply chain management (SCM) has enabled companies to improve their environmental, social, and economic performance.This paper presents an industrial application of logistics that can ...
A Hybrid Simulation and Reinforcement Learning Algorithm for Enhancing Efficiency in Warehouse Operations

Leon, Jonas F.; Li, Yuda; Martin, Xabier A.; Calvet, Laura; Panadero, Javier; Juan, Angel A. (MDPI AG, 2023-09)

[EN] The use of simulation and reinforcement learning can be viewed as a flexible approach to aid managerial decision-making, particularly in the face of growing complexity in manufacturing and logistic systems. Efficient ...
A hydro-economic modelling framework for optimal management of groundwater nitrate pollution from agriculture

Peña Haro, Salvador; Pulido-Velazquez, M.; Sahuquillo Herráiz, Andrés (Elsevier, 2009-06)

A hydro-economic modelling framework is developed for determining optimal management of groundwater nitrate pollution from agriculture. A holistic optimization model determines the spatial and temporal fertilizer application ...
A Methodology for the Optimization of Flow Rate Injection to Looped Water Distribution Networks through Multiple Pumping Stations

LEÓN CELI, CHRISTIAN; Iglesias Rey, Pedro Luis; Martínez-Solano, F. Javier; Mora Meliá, Daniel (MDPI, 2016-12)

[EN] The optimal function of a water distribution network is reached when the consumer demands are satisfied using the lowest quantity of energy, maintaining the minimal pressure required at the same time. One way to achieve ...
A mixed integer linear program for a real relocation problem of emergency medical vehicles in the province of Valencia

Vecina García, Miguel Ángel; Villa Juliá, María Fulgencia; Vallada Regalado, Eva; Karpova Krylova, Yulia (Universitat Politècnica de València, 2022-07-29)

[EN] The rapid intervention of Advanced Life Support (ALS) and Basic Life Support (BLS) when an emergency arises is of vital importance for the welfare of citizens. Currently, these Emergency Medical Vehicles (EMV) are ...
A multimicrogrid energy management model implementing an evolutionary game-theoretic approach

Aguila-Leon, Jesus; Chiñas-Palacios, Cristian; García, Edith X. M.; Vargas-Salgado, Carlos (Wiley, 2020-11)

[EN] Microgrids (MGs) are widely increasing to manage unequal electrical load requirements based on the infrastructure. The goal of this article is to manage energy in a centralized controller multimicrogrid (MMG) system ...
A NetLogo® model for introducing students to genetic algorithms

Giner Sanz, Juan José; García Gabaldón, Montserrat; Ortega Navarro, Emma María; Shao Horn, Yang; Pérez Herranz, Valentín (Editorial Universitat Politècnica de València, 2019-09-30)

[EN] The great ubiquity and utility of genetic algorithms (GAs) in nearly every field of Sciences and Engineering, makes them essential for future scientists and engineers. For this reason GAs should be covered in scientific ...
A New Family of Multiband Waveguide Filters Based on a Folded Topology

Melgarejo, Juan Carlos; Cogollos, Santiago; Guglielmi, Marco; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2020-07)

[EN] In this article, we describe a new family of multiband waveguide filters based on a folded topology. The folded topology allows to use the filters of different orders and the introduction of transmission zeros. The ...
A novel methodology to assist manufacturers in the heat exchanger sizing for variable-speed heat pumps based on part load conditions and economic assessment

Ossorio-Santiago, Rubén Josep; Navarro-Peris, Emilio; Marchante-Avellaneda, Javier (Elsevier, 2023-12-01)

[EN] Matts Bäckstöm assessed the selection criteria of heat exchangers for single-speed heat pumps in 1940, and his methodology and conclusions have been kept practically unchanged for almost a century. However, heat pump ...
A novel water supply network sectorization methodology based on a complete economic analysis, including uncertainties

Campbell-Gonzalez, Enrique; Izquierdo Sebastián, Joaquín; Montalvo Arango, Idel; Pérez García, Rafael (MDPI AG, 2016)

[EN] The core idea behind sectorization of water supply networks (WSNs) is to establish areas partially isolated from the rest of the network to improve operational control. Besides the benefits associated to sectorization, ...
A review of discrete-time optimization models for tactical production planning

Díaz-Madroñero Boluda, Francisco Manuel; Mula, Josefa; Peidro Payá, David (Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2014-03)

[EN] This study presents a review of optimization models for tactical production planning. The objective of this research is to identify streams and future research directions in this field based on the different classification ...
A review of tactical optimization models for integrated production and transport routing planning decisions

Díaz-Madroñero Boluda, Francisco Manuel; Peidro Payá, David; Mula Bru, Josefa (Elsevier, 2015-10)

[EN] This paper presents a review of tactical optimization models for integrated production and transport routing planning decisions. The objective of this research is to identify current trends and future research directions ...