Exploració per tema "Incertesa"

Ara es mostren els items 1-20 de 24

    • A multistage scenario optimisation procedure to plan annualised working hours under demand uncertainty. 

      Lusa García, Amaia; Corominas Subias, Albert; Muñoz, Norberto (Elsevier, 2008-06)
      Article
      Accés obert
      The annualisation of working hours (i.e., the irregular distribution of the total number of working hours over the course of a year) makes it possible to adapt production capacity to fluctuations in demand. The required ...

    • A scenario optimisation procedure to plan annualised working hours under demand uncertainty 

      Corominas Subias, Albert; Lusa García, Amaia; Muñoz, Norberto (2006-03)
      Report de recerca
      Accés obert
      Annualising working hours (i.e., the possibility of irregularly distributing the total number of working hours over the course of a year) enables to adapt production capacity to fluctuations in demand. The demand, which ...

    • An interval NLPV parity equations approach for fault detection and isolation of a wind farm 

      Blesa Izquierdo, Joaquim; Jiménez, Pedro; Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2014-12-25)
      Article
      Accés obert
      In this paper, the problem of fault diagnosis of a wind farm is addressed using interval nonlinear parameter varying (NLPV) parity equations. Fault detection is based on the use of parity equations assuming unknown but ...

    • Análisis de la evolución (tendencias) del oleaje en la costa cantábrica. ¿Variabilidad o cambio climático? 

      Viñes Recasens, Manuel (Universitat Politècnica de Catalunya, 2022-10-17)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Instituto Español de Oceanografía
      Els estudis del clima d'ones mitjà i extremal, són avui en dia essencials tant per a la planificació i gestió costanera (per exemple, per al disseny d'infraestructures costaneres) com a alta mar (per exemple, disseny de ...

    • Calibratges en metrologia 

      Surroca i Torrents, Jordi (Universitat Politècnica de Catalunya, 2007-06)
      Projecte/Treball Final de Carrera
      Accés obert
      El plantejament bàsic del projecte és el de crear una eina útil i versàtil per tal d’agilitzar els treballs de calibratge. Un calibratge no deixa de ser una tasca manual que realitza un operari, per tant, es pretén crear ...

    • Combining heuristics with simulation and fuzzy logic to solve a flexible-size location routing problem under uncertainty 

      Tordecilla Madera, Rafael David; Copado Méndez, Pedro Jesús; Panadero Martínez, Javier; Quintero Araujo, Carlos L.; Montoya Torres, Jairo R.; Juan Pérez, Ángel Alejandro (Multidisciplinary Digital Publishing Institute (MDPI), 2021-02)
      Article
      Accés obert
      The location routing problem integrates both a facility location and a vehicle routing problem. Each of these problems are NP-hard in nature, which justifies the use of heuristic-based algorithms when dealing with large-scale ...

    • Decision making under uncertainty for the deployment of future networks in IoT scenarios 

      Alzate Mejía, Nestor; Santos Boada, Germán; Almeida Amazonas, José Roberto de (Springer, 2020)
      Text en actes de congrés
      Accés obert
      The main characteristic of various emerging communication network paradigms in the dimensioning, control and deployment of future networks is the fact that they are human-centric, entailing closelyknit interactions between ...

    • Decision-making under uncertainty for the deployment of future hyperconnected networks: A survey 

      Alzate Mejía, Nestor; Santos Boada, Germán; Almeida Amazonas, José Roberto de (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-30)
      Article
      Accés obert
      Among the several emerging dimensioning, control and deployment of future communication network paradigms stands out the human-centric characteristic that creates an intricate relationship between telematics and human ...

    • Gestió òptima d’una microxarxa considerant desviacions en les previsions de generació i demanda en entorns regulats 

      Bosch Pons, Antoni (Universitat Politècnica de Catalunya, 2021-07-01)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Measuring investment opportunities under uncertainty 

      Castro Rabal, Jorge; Gabarró Vallès, Joaquim; Serna Iglesias, María José (Springer, 2019)
      Text en actes de congrés
      Accés obert
      In order to make sound economic decisions it is important to measure the possibilities offered by a market in relation to investments. Provided an investment scheme S = (r; R1, . . . , Rn), where r is a lower bound on the ...

    • Mixture density networks for distribution and uncertainty estimation 

      Brando Guillaumes, Axel (Universitat Politècnica de Catalunya, 2017-02-01)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Universitat de Barcelona
      The deep learning techniques have made neural networks the leading option for solving some computational problems and it has been shown the production of the state-of-the-art results in many fields like computer vision, ...

    • Overlapping guaranteed cost control for uncertain continuous-time delayed systems 

      Bakule, Lubomir; Rodellar Benedé, José; Rossell Garriga, Josep Maria (Elsevier, 2005)
      Text en actes de congrés
      Accés obert
      Overlapping guaranteed cost control design problem is solved for a class of linear continuous-time uncertain systems with state as well as control delays. Unknown arbitrarily time-varying uncertainties with known bounds ...

    • Parameter uncertainty modelling in water distribution network models 

      Pérez Magrané, Ramon; Sanz Estapé, Gerard; Cugueró Escofet, Miquel Àngel; Blesa Izquierdo, Joaquim; Cugueró Escofet, Josep (Elsevier, 2015)
      Text en actes de congrés
      Accés obert
      The use of water distribution network (WDN) models is an extended practice [13]. Confidence on decisions taken upon such models depends highly on their accuracy [11]. The parameters uncertainty has to be defined in order ...

    • Predicting motion behavior under contact uncertainty 

      Rosell Gratacòs, Jan; Basañez Villaluenga, Luis; Suárez Feijóo, Raúl (2004-10)
      Report de recerca
      Accés obert
      Performing complex assembly task with robots requires fine-motion planners able to cope with uncertainty and contact motions, which is a difficult issue. This report proposes a method to predict the behavior of motions ...

    • Reflection in action: a critical reflection tool to help students deal with uncertainties in designing solutions for complex problems 

      Wehrmann, Caroline; Smits, Casper (Universitat Politècnica de Catalunya, 2022-09)
      Text en actes de congrés
      Accés obert
      At Delft University of Technology (DUT) in the Netherlands, multi-disciplinary teams of students collaborate with professionals in living labs to design solutions for real-life complex problems in technological innovation ...

    • SACRE: A tool for dealing with uncertainty in contextual requirements at runtime 

      Zavala Rodríguez, Edith Berenice; Franch Gutiérrez, Javier; Marco Gómez, Jordi; Knauss, Alessia; Damian, Daniela (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      Self-adaptive systems are capable of dealing with uncertainty at runtime handling complex issues as resource variability, changing user needs, and system intrusions or faults. If the requirements depend on context, runtime ...

    • Sensor placement for leak monitoring in drinking water networks combining clustering techniques and a semi-exhaustive search 

      Sarrate Estruch, Ramon; Blesa Izquierdo, Joaquim; Nejjari Akhi-Elarab, Fatiha (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents an optimal sensor placement strategy based on pressure sensitivity matrix analysis and a semi-exhaustive search strategy that maximizes some diagnosis specifications for water distribution networks. A ...

    • Solving the time capacitated arc routing problem under fuzzy and stochastic travel and service times 

      Martin Solano, Xabier A.; Panadero Martínez, Javier; Peidro Payá, David; Perez Bernabeu, Elena; Juan Pérez, Ángel Alejandro (John Wiley & sons, 2023-12)
      Article
      Accés obert
      Stochastic, as well as fuzzy uncertainty, can be found in most real-world systems. Considering both types of uncertainties simultaneously makes optimization problems incredibly challenging. In this paper we propose a fuzzy ...

    • Spanish contribution to the development and application of best estimate plus uncertainty methodologies: past, present and future 

      Freixa Terradas, Jordi; Barrachina Celda, Teresa María; Berna Escriche, Cesar; Bocanegra Melian, Rafael; Carlos Alberola, Sofía; Castro Gonzalez, Emilio; Cuervo Gomez, Diana; Durán Vinuesa, Luis Felipe; Escrivá Castells, Facundo Alberto; Feria Márquez, Francisco; Fernández Cosials, Kevin; Martínez Quiroga, Víctor Manuel; Pérez-Ferragut, Marina; Pericas Casals, Raimon; Reventós Puigjaner, Francesc Josep (Elsevier, 2024-02-01)
      Article
      Accés restringit per política de l'editorial
      Best-Estimate Plus Uncertainty (BEPU) nuclear safety analysis is an approach widely used in the field of nuclear engineering and reactor safety assessment. It aims to provide a more realistic assessment of reactor safety ...

    • Tablero de Alicia y gobernabilidad para la Zona Metropolitana del Valle de México 

      Rodríguez Rodríguez, Jesús; Llamas Castañeda, Luís Miguel (Centre de Política del Sòl i Valoracions - Universitat Politècnica de Catalunya, 2007)
      Article
      Accés obert
      Se exponen los conceptos básicos para entender una forma distinta para la gestión de la Zona Metropolitana del Valle de México (ZMVM). Con el objeto de explicar el comportamiento actual de los agentes que intervienen en ...