• Assessment of energy management in a fuel cell/battery hybrid vehicle 

      Carignano, Mauro; Roda Serrat, Vicente; Costa Castelló, Ramon; Valiño, Luis; Lozano Fantoba, Antonio; Barreras Toledo, Felix Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Article
      Accés restringit per política de l'editorial
      The energy management strategy plays a major role in hybrid platforms powered by fuel cells (FCs) and batteries. This paper presents an assessment of energy management focused on fuel economy and battery degradation. ...
    • Dynamic programming for graphs on surfaces 

      Rué Perna, Juan José; Sau, Ignasi; Thilikos, Dimitrios (2014-02-01)
      Article
      Accés obert
      We provide a framework for the design and analysis of dynamic programming algorithms for surface-embedded graphs on n vertices and branchwidth at most k. Our technique applies to general families of problems where standard ...
    • Evaluation of optimization techniques for aggregation 

      Li, Chenxi (Universitat Politècnica de Catalunya, 2017-01-15)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Technische Universität München
      Aggregations are almost always done at the top of operator tree after all selections and joins in a SQL query. But actually they can be done before joins and make later joins much cheaper when used properly. Although ...
    • On the comparison of predictive control and command governor approaches for operational management of drinking water networks: a case study 

      Tedesco, Francesco; Ocampo-Martínez, Carlos; Cassavola, Alessandro; Puig Cayuela, Vicenç (2014)
      Text en actes de congrés
      Accés obert
      This paper evaluates the application of command governor (CG) strategy for the operational control of drinking water networks (DWN) given their large-scale and complex nature, the permanent and relevant effect of the ...
    • Variants of plane diameter completion 

      Golovach, Petr; Requile, Clement; Thilikos, Dimitrios M. (2015-11-19)
      Article
      Accés obert
      The Plane Diameter Completion problem asks, given a plane graph G and a positive integer d, if it is a spanning subgraph of a plane graph H that has diameter at most d. We examine two variants of this problem where the ...