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    • A review on the ant colony optimization metaheuristic: basis, models and new trends 

      Cordón García, Oscar; Herrera Triguero, Francisco; Stützle, Thomas (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2002)
      Article
      Accés obert
      Ant Colony Optimization (ACO) is a recent metaheuristic method that is inspired by the behavior of real ant colonies. In this paper, we review the underlying ideas of this approach that lead from the biological inspiration ...

    • A review on the drawbacks and enhancement opportunities of the feature selective validation 

      Azpúrua Auyanet, Marco Aurelio; Paez, Eduardo Javier; Rojas Mora, Julio; Ventosa Llopart, Josep Oriol; Silva Martínez, Fernando; Zhang, Gang; Duffy, Alistair P.; Jauregui Telleria, Ricardo Ignacio (2014-08-01)
      Article
      Accés restringit per política de l'editorial
      The growing application of simulation tools to increasingly complex problems makes the use of validation techniques essential to improve confidence in the veracity of those simulation results. The feature selective validation ...

    • A review on the effects of thermal inversions and electromagnetic fields on cell cultures and wireless communications 

      López Álvarez, Cibrán; López Martín, María Elena; Rodríguez González, Juan Antonio; Ares Pena, Francisco José (2023-12-01)
      Article
      Accés obert
      Thermal inversions, typical in the winter season, consist of cold air at the Earth’s surface being trapped under a layer of warmer air. Such an effect keeps normal convective overturning of the atmosphere from penetrating ...

    • A review on the present situation of wastewater treatment in textile industry with membrane bioreactor and moving bed biofilm reactor 

      Yang, Xuefei; Crespi Rosell, Martin; López Grimau, Víctor (2018-01-29)
      Article
      Accés obert
      Membrane bioreactor (MBR) is one of the advanced treatment technologies used in industrial wastewater treatment due to its various advantages over conventional biological processes. Recently, the application of MBR in ...

    • A review on the study of historical structures using integrated investigation activities for seismic safety assessment. Part I: Dynamic investigation 

      Elyamani, Ahmed; Roca Fabregat, Pedro (2018)
      Article
      Accés obert
      Assessment of seismic safety of historical structures is a challenging task because the information available about the assessed structure is usually limited. Therefore, it is often necessary to exploit a number of integrated ...

    • A review on the study of historical structures using integrated invetigation activities for seismic safety assessment. Part II: Model updating and seismic analysis 

      Elyamani, Ahmed; Roca Fabregat, Pedro (2018)
      Article
      Accés obert
      This paper represents a continuation of a review on the seismic safety assessment of historical structures using some selected integrated investigation activities. In the first part of this review the dynamic investigation ...

    • A review on thermo-mechanical modelling of arch dams during construction and operation: effect of the reference temperature on the stress field 

      Salazar González, Fernando; Vicente González, David Jesús; Irazábal González, Joaquín; Pouplana Sarda, Ignasi de; San Mauro Saiz, Javier (2020-11)
      Article
      Accés restringit per política de l'editorial
      Double-curvature dams are unique structures for several reasons. Their behaviour changes significantly after joint grouting, when they turn from a set of independent cantilevers into a monolithic structure with arch effect. ...

    • A review study on the modeling of high-temperature solar thermal collector systems 

      Hachicha, Ahmed A.; Yousef, Bashria A.A.; Said, Zafar; Rodríguez Pérez, Ivette María (2019-09-01)
      Article
      Accés obert
      Concentrated solar power technologies are gaining more attention in the last two decades in order to replace the conventional power technologies and reduce their environmental impact. Among the developed concentrating ...

    • A review: biological technologies for nitrogen monoxide abatement 

      Cubides Páez, David Fernando; Guimerà Villalba, Xavier; Jubany Güell, Irene; Gamisans Noguera, Javier (2023-11-05)
      Article
      Accés obert

    • A revised solution for a sphere rolling in a vertical loop 

      Bertran Cànovas, Òscar; Riba Ruiz, Jordi-Roger (2020-09-30)
      Article
      Accés obert
      In this paper the classical well known solution of the elementary problem of the sphere loop in the presence of friction is studied. Also, a modification of the problem shows a possible inaccuracy involved on the well known ...

    • A RF generator based on a FPGA system 

      Puertas Molina, Eduard (Universitat Politècnica de Catalunya, 2014-03-06)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Beijing hang kong hang tian da xue
      [ANGLÈS] This work is part of ongoing research conducted at Beihang University relating to signal generating. The primary objective of this thesis was to develop a flexible, high-performance Radio Frequency (RF) generator ...

    • A RF-MEMS switchable CPW air-bridge 

      Contreras, Adrián; Casals Terré, Jasmina; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel (2012)
      Comunicació de congrés
      Accés obert
      This work presents a new shunt-type ohmic contact RF-MEMS switch specifically designed as a switchable CPW air bridge. The switch can be used in coplanar waveguide (CPW) reconfigurable multimodal circuits, for a selective ...

    • A Richly annotated, multilingual parallel corpus for hybrid machine translation 

      Avramidis, Elefterios; Ruiz Costa-Jussà, Marta; Federmann, Christian; Melero, Maite; Pecina, Pavel; Van Genabith, Josef (European Language Resources Association (ELRA), 2012)
      Text en actes de congrés
      Accés obert
      In recent years, machine translation (MT) research has focused on investigating how hybrid machine translation as well as system combination approachescan bedesigned so that theresulting hybrid translationsshow an improvement ...

    • A rigid body spring network model for the simulation of hysteretic behavior of materials 

      Christos, Sofianos; Vlasis, Koumousis (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      In this work, a discrete numerical approach is presented to model the hysteretic behavior of materials. Rigid Body Spring Network models (RBSN) that were first proposed by Kawai [1] are extended to account for hysteretic ...

    • A ripple-based design-oriented approach for predicting fast-scale instability in DC–DC switching power supplies 

      Rodríguez Vilamitjana, Enric; El Aroudi, Abdelali; Guinjoan Gispert, Francisco; Alarcón Cot, Eduardo José (2011-12)
      Article
      Accés restringit per política de l'editorial
      This paper presents a design-oriented analytical approach for predicting fast-scale instability in power electronics converters under voltage-mode control strategy. This approach is based on the use of the ripple amplitude ...

    • A RISC-V simulator and benchmark suite for designing and evaluating vector architectures 

      Ramírez Lazo, Cristóbal; Hernández, César Alejandro; Palomar Pérez, Óscar; Unsal, Osman Sabri; Ramírez Salinas, Marco Antonio; Cristal Kestelman, Adrián (2020-11)
      Article
      Accés obert
      Vector architectures lack tools for research. Consider the gem5 simulator, which is possibly the leading platform for computer-system architecture research. Unfortunately, gem5 does not have an available distribution that ...

    • A risk assessment framework for cloud computing 

      Djemame, Karim; Armstrong, Django; Guitart Fernández, Jordi; Macías Lloret, Mario (Institute of Electrical and Electronics Engineers (IEEE), 2016-07-01)
      Article
      Accés obert
      Cloud service providers offer access to their resources through formal service level agreements (SLA), and need well-balanced infrastructures so that they can maximise the quality of service (QoS) they offer and minimise ...

    • A risk assessment methodology to evaluate the risk failure of managed aquifer recharge in the Mediterranean Basin 

      Rodríguez Escales, Paula-Felicidad; Canelles Garcia, Arnau; Sánchez Vila, Francisco Javier; Folch Sancho, Albert (2018-06)
      Article
      Accés obert
      Managed aquifer recharge (MAR) can be affected by many risks. Those risks are related to different technical and non-technical aspects of recharge, like water availability, water quality, legislation, social issues, etc. ...

    • A risk index for the structural diagnosis of masonry heritage (RISDiMaH) 

      Makoond, Nirvan Chandra; Pelà, Luca; Molins i Borrell, Climent (Elsevier, 2021-05)
      Article
      Accés obert
      Experts responsible for the safety evaluation of unique masonry heritage structures usually need to weigh information from various diagnosis activities before deciding the best course of action for preservation. Typical ...

    • A river bed hydrokinetic turbine: a laminated composite material rotor design 

      Oller Aramayo, Sergio A.; Nallim, Liz G.; Oller Martínez, Sergio Horacio; Martínez García, Javier (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
      Llibre
      Accés obert
      This chapter presents the composite materials applied to Water Current Turbine (WCT) hydrokinetic turbines. Here will be briefly described the features of these turbines, the fluid-dynamic behavior of the rotor, and its ...