[EN] The quality of computed radiography (CR) images typically relate to patient radiation exposure. The lower the X-ray dose exposure, the higher the level of inherent noise in the CR images. In this work, we address the ...
Herrero Durá, Juan Manuel; Reynoso Meza, Gilberto; Martínez Iranzo, Miguel Andrés; Blasco Ferragud, Francesc Xavier; Sanchís Saez, Javier(World Scientific, 2014-04)
[EN] Obtaining multi-objective optimization solutions with a small number of points smartly
distributed along the Pareto front is a challenge. Optimization methods, such as the nor-
malized normal constraint (NNC), propose ...
Zambrano-Abad, Julio Cesar; Herrero Durá, Juan Manuel; Sanchís Saez, Javier; Martínez Iranzo, Miguel Andrés(John Wiley & Sons, 2020-02-21)
[EN] Wiener, Hammerstein, and Wiener-Hammerstein structures are useful for modelling dynamic systems that exhibit a static type nonlinearity. Many methods to identify these systems can be found in the literature; however, ...
Reynoso Meza, Gilberto; Sanchís Saez, Javier; Blasco Ferragud, Francesc Xavier; Martínez Iranzo, Miguel Andrés(Universitat Politècnica de València, 2013-07-09)
[ES] Los controladores PID continúan siendo una solución fiable, robusta, práctica y sencilla para el control de procesos. Actualmente constituyen la primera capa de control de la gran mayoría de las aplicaciones industriales. ...
[EN] Evolutionary methods are a powerful and robust tool for the solution of structural shape optimization problems. Nevertheless, the use of these methods requires the structural analysis of an important number of different ...
Lerma Elvira, Néstor(Universitat Politècnica de València, 2018-09-25)
Water is an essential resource from an environmental, biological, economic or social point of view. In basin management, the irregular distribution in time and in space of this resource is well known. This issue is worsened ...
Two evolutionary algorithms (EAs) are assessed in this paper to design optimal operating rules (ORs) for Water Resource Systems (WRS). The assessment is established through a parameter analysis of both algorithms in a ...
[EN] This work analyzes the influence of the discretization error contained in the Finite Element (FE) analyses of each design configuration proposed by structural shape optimization algorithms over the behaviour of the ...
Herrero Durá, Juan Manuel; Blasco, Xavier; Sánchez Pérez, Juan Vicente; Redondo, Javier(Springer Verlag, 2016)
In this paper a new approach to design sound phase diffusers is presented. The acoustic properties of such diffusers are usually increased by using single objective optimization methods. Here we propose the use of a multi- ...
[EN] Job rotation is an administrative solution to prevent work-related musculoskeletal disorders that has become widespread. However, job rotation schedules development is a complex problem. This is due to the multi-factorial ...
Jaén Martínez, Francisco Javier; Mocholí Agües, Jose Antonio; Catalá Bolós, Alejandro; Navarro, Elena(Elsevier, 2011-01)
In this paper we address the problem of personalization and automatic generation of museum visits with mobile devices guidance. We propose here a ubiquitous software and hardware infrastructure that supports, in a collaborative ...
Mora Meliá, Daniel; Iglesias Rey, Pedro Luis; Martínez-Solano, F. Javier; Ballesteros-Pérez, P.(Springer, 2015-10)
The pipe sizing of water networks via evolutionary algorithms is of great interest because it allows the selection of alternative economical solutions that meet a set of design requirements. However, available evolutionary ...
[EN] We present a framework for multi-objective optimization where the classical mean-variance portfolio model is extended to integrate the environmental, social and governance (ESG) criteria on the same playing field as ...
[EN] Deep Neural Networks (DNN) have become a powerful, and extremely popular mechanism, which has been widely used to solve problems of varied complexity, due to their ability to make models fitted to non-linear complex ...
Zambrano Abad, Julio Cesar(Universitat Politècnica de València, 2021-09-02)
[ES] En muchos campos de la ingeniería los modelos matemáticos son utilizados para describir el comportamiento de los sistemas, procesos o fenómenos. Hoy en día, existen varias técnicas o métodos que pueden ser usadas para ...
López-Granado, O; Galiano, V; Martí Campoy, Antonio; Migallón, H.; Martinez Rach, Miguel Onofre; Piñol, Pablo; Perez Malumbres, Manuel Jose(Witpress, 2013)
Discrete Wavelet Transform has proved to be powerful for image compression
because it is able to compact frequency and spatial localization of image energy
into a small fraction of coefficients. For a long time it was ...
Silva-Rubio, Sergio A.; Salgueiro, Yamisleydi; Mora Melia, Daniel; Gutierrez-Bahamondes, Jimmy H.(MDPI AG, 2024-07)
[EN] Water distribution networks (WDNs) are vital for communities, facing threats like climate change and aging infrastructure. Optimizing WDNs for energy and water savings is challenging due to their complexity. In ...
Martínez-Luzuriaga, Paúl Nicolai; Reynoso-Meza, Gilberto(Universitat Politècnica de València, 2022-12-28)
[EN] PID Controllers remain as the reliable front-line solution in feedback control loops. Even when their simplicity is one of the main reasons for this, the right tuning of their parameters is essential to guarantee their ...
Roig, José V.; García Armengol, Juan; García Fadrique, Alfonso; Herrera Fernández, Antonio Manuel; Montalvo Arango, Idel; Izquierdo Sebastián, Joaquín(2011-02)
[EN] Complex data analysis methods require optimisation techniques such as evolutionary
algorithms in order to generate reliable results.
The objective of this study is to analyse the relationships of particular perioperative ...
[EN] Data mining solutions can be applied in combination with evolutionary algorithms to extract relevant information from solution spaces analyzed during optimization processes regarding water distribution system (WDS) ...