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Ara es mostren els items 3-22 de 116

    • A machine learning-based methodology for multi-parametric solution of chemical processes operation optimization under uncertainty 

      Shokry Abdelaleem Taha Zied, Ahmed; Medina González, Sergio; Baraldi, Piero; Zio, Enrico; Moulines, Eric François Victor; Espuña Camarasa, Antonio (Elsevier, 2021-12-01)
      Article
      Accés obert
      Chemical process operation optimization aims at obtaining the optimal operating set-points by real-time solution of an optimization problem that embeds a steady-state model of the process. This task is challenged by ...

    • A meta-multiparametric framework: Application to the operation of bio-based energy supply chains 

      Medina González, Sergio Armando; Shokry Abdelaleem Taha Zied, Ahmed; Silvente Saiz, Javier; Espuña Camarasa, Antonio (2015)
      Article
      Accés restringit per política de l'editorial
      This paper proposes a framework for the analysis of complex optimization problems under uncertainty. The usual multiparametric programing approach is skipped through the use of metamodels to mimic a set of already solved ...

    • A meta-multiparametric framework: Application to the operation of bio-based energy supply chains 

      Medina González, Sergio Armando; Shokry Abdelaleem Taha Zied, Ahmed; Silvente Saiz, Javier; Espuña Camarasa, Antonio (Elsevier, 2015)
      Text en actes de congrés
      Accés obert
      This paper proposes a framework for the analysis of complex optimization problems under uncertainty. The usual multiparametric programing approach is skipped through the use of metamodels to mimic a set of already solved ...

    • A MILP model for enhancing wastewater networks by introducing reclaimed wastewater usage 

      Lechtenberg, Fabian; Somoza Tornos, Ana; Graells Sobré, Moisès; Espuña Camarasa, Antonio (2020)
      Text en actes de congrés
      Accés obert
      Wastewater treatment plants (WWTPs) are an example of available but underutilized waste-to-resource processes. Economic benefit opportunities can be generated through the design and operation of WWTPs following a circular ...

    • A modeling strategy for integrated batch process development based on mixed-logic dynamic optimization 

      Moreno Benito, Marta; frankl, kathrin; Espuña Camarasa, Antonio; Marquardt, Wolfgang (Pergamon Press, 2016-11-02)
      Article
      Accés obert
      This paper introduces an optimization-based approach for the simultaneous solution of batch process synthesis and plant allocation, with decisions like the selection of chemicals, process stages, task-unit assignments, ...

    • A novel modeling approach for a generalizable photo-Fenton-based degradation of organic compounds 

      Audino, Francesca; Pérez Moya, Montserrat; Graells Sobré, Moisès; Espuña Camarasa, Antonio; Csukas, Bela; Varga, Monica (2020-04-23)
      Article
      Accés obert
      This work aims at proposing and validating a model that can be exploited for the future development of industrial applications (e.g., process design and control) of Fenton and photo-Fenton processes. Hence, a compromise ...

    • A rolling horizon optimization framework for the simultaneous energy supply and demand planning in microgrids 

      Silvente Saiz, Javier; Kopanos, Georgios M.; Pistikopoulos, Efstratios N.; Espuña Camarasa, Antonio (2015)
      Article
      Accés obert
      This work focuses on the development of optimization-based scheduling strategies for the coordination of microgrids. The main novelty of this work is the simultaneous management of energy production and energy demand within ...

    • A rolling horizon stochastic programming framework for the energy supply and demand management in microgrids 

      Silvente Saiz, Javier; Kopanos, Georgios M.; Espuña Camarasa, Antonio (Elsevier, 2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This work proposes a discrete-time Mixed Integer Linear Programming (MILP) formulation based on a combined rolling horizon and stochastic programming approach for the simultaneous management of energy supply and demand in ...

    • A rolling horizon stochastic programming framework for the energy supply and demand management in microgrids 

      Silvente Saiz, Javier; Kopanos, Georgios M.; Espuña Camarasa, Antonio (2015)
      Article
      Accés restringit per política de l'editorial
      This work proposes a discrete-time Mixed Integer Linear Programming (MILP) formulation based on a combined rolling horizon and stochastic programming approach for the simultaneous management of energy supply and demand in ...

    • Addressing the scheduling of chemical supply chains under demand uncertainty 

      Guillén Gosálbez, Gonzalo; Espuña Camarasa, Antonio; Puigjaner Corbella, Lluis (2006)
      Article
      Accés restringit per política de l'editorial
      A multistage stochastic optimization model is presented to address the scheduling of supply chains with embedded multipurpose batch chemical plants under demand uncertainty. In order to overcome the numerical difficulties ...

    • Advanced Integration Methods for the Efficient Symbiosis of Process Networks – AIMS 

      Graells Sobré, Moisès; Espuña Camarasa, Antonio; Pérez Moya, Montserrat; Muñoz Mata, Edrisi; Puigjaner Corbella, Lluís; You, Fengqi; Pastor Zegarra, Rosario Margarita; Gerard Escudero, Gerard; Torrades, Francesc; Pozo, Carlos; Cabrera-Reina, Alejandro; Méndez, Carlos; Capón, Elisabet (2017-01-01 / 2021-06-30)
      Website
      Accés obert
      The AIMS project proposal addresses the challenges associated to the "efficient use of resources and raw materials" and to the use of "clean, efficient and safe energy systems" in the Process Industries from a holistic, ...

    • An optimization model for the long-term planning of energy distribution networks 

      Somoza Tornos, Ana; Pozo Fernández, Carlos; Hoz Casas, Jordi de la; Guillén Gosálbez, Gonzalo; Espuña Camarasa, Antonio; Graells Sobré, Moisès (2016)
      Comunicació de congrés
      Accés obert
      Although design is a problem that has been addressed in the literature, maintaining, upgrading and expanding energy distribution networks along the entire life-cycle is a topic that has received scarce attention. The problem ...

    • Application of industrial symbiosis principles to the management of utility networks 

      Galvan Cara, Aldwin Lois; Graells Sobré, Moisès; Espuña Camarasa, Antonio (2022-01-01)
      Article
      Accés obert
      Utility exchanges between different plants have shown to produce large energy savings, extending the potential advantages of Energy/Process Integration through Industrial Symbiosis principles. Systematic approaches to ...

    • Applying Metamodels and Sequential Sampling for Constrained Optimization of Process Operations 

      Shokry Abdelaleem Taha Zied, Ahmed; Espuña Camarasa, Antonio (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a framework for nonlinear constrained optimization of complex systems, in which the objective function and the constraints are represented by black box functions. The proposed approach replaces the ...

    • Applying metamodels and sequential sampling for constrained optimization of process operations 

      Shokry Abdelaleem Taha Zied, Ahmed; Espuña Camarasa, Antonio (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a framework for nonlinear constrained optimization of complex systems, in which the objective function and the constraints are represented by black box functions. The proposed approach replaces the ...

    • Batch process scheduling optimization of multiproduct plants under simultaneous environmental and economical considerations 

      Bojarski, Aarón David; Capón García, Elisabet; Espuña Camarasa, Antonio; Puigjaner Corbella, Lluís (2009-11-08)
      Comunicació de congrés
      Accés obert
      This work aims at analyzing the significant environmental issues associated to production process scheduling. The implementation of a LCA for a given process or product requires the gathering of data regarding process ...

    • Considering environmental assessment in an ontological framework for enterprise sustainability 

      Muñoz, E.; Capón García, Elisabet; Lainez, Jose M.; Espuña Camarasa, Antonio; Puigjaner Corbella, Lluis (Elsevier, 2013-05)
      Article
      Accés restringit per política de l'editorial
      Enterprises comprise several functions, such as production, marketing, sales, human resources, logistics, safety and environment, which interact with each other. As a result, decision-making becomes highly challenging in ...

    • Constraint identification and integration procedures in multi-level hierarchical systems 

      Dombayci, Canan; Capón García, Elisabet; Muñoz, Edrisi; Espuña Camarasa, Antonio (Elsevier, 2017-11-09)
      Article
      Accés restringit per política de l'editorial
      Within the context of decision-support tools based on mathematical programming techniques, this contribution presents a procedure for constraints identification and classification. The aim is to manage their transformation ...

    • Contribución al estudio de plantas químicas multiproducto de proceso discontínuo 

      Espuña Camarasa, Antonio (Universitat Politècnica de Catalunya, 1994-11-17)
      Tesi
      Accés obert
      La operación de plantas discontinuas multiproducto a niveles óptimos de capacidad de producción requiere un análisis detallado y selectivo entre las diferentes alternativas viables para la fabricación de cada uno de los ...

    • Costs for rescheduling actions: a critical issue for reducing the gap between scheduling theory and practice 

      Kopanos, Georgios; Capón García, Elisabet; Espuña Camarasa, Antonio; Puigjaner Corbella, Lluís (2008-11-19)
      Article
      Accés restringit per política de l'editorial
      Rescheduling programmed tasks, when an unexpected event occurs, may affect the smooth operation of the plant if the initial schedule is not taken into account. This work addresses the penalty incurred by rescheduling actions ...