Now showing items 21-40 of 44

    • Evaluating A+B=K conditions in constant time 

      Cortadella, Jordi; Llaberia Griñó, José M. (Institute of Electrical and Electronics Engineers (IEEE), 1988)
      Conference report
      Open Access
      The authors consider a type of condition that can be evaluated without requiring a complete ALU (arithmetic logic unit) operation. The circuit that is presented detects the condition A+B=K (n-bit numbers) in constant time, ...
    • Evaluation of A+B=K conditions without carry propagation 

      Cortadella, Jordi; Llaberia Griñó, José M. (Institute of Electrical and Electronics Engineers (IEEE), 1992-11)
      Article
      Open Access
      The response time of parallel adders is mainly determined by the carry propagation delay. The evaluation of conditions of the type A+B=K is addressed. Although an addition is involved in the comparison, it is shown that ...
    • Feasibility study of light energy harvesting in smart building 

      Ferre Sánchez, Eduard (Universitat Politècnica de Catalunya, 2023-07-28)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Over the past few years, the number of Internet of Things (IoT) devices and their usage has grown exponentially. Consequently, in the coming years, billions of new IoT devices will be installed inside buildings. Currently, ...
    • Formal verification of safety properties in timed circuits 

      Peña Basurto, Marco Antonio; Cortadella, Jordi; Kondratyev, Alex; Pastor Llorens, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2000)
      Conference report
      Open Access
      The incorporation of timing makes circuit verification computationally expensive. This paper proposes a new approach for the verification of timed circuits. Rather than calculating the exact timed stare space, a conservative ...
    • Fuse: A technique to anticipate failures due to degradation in ALUs 

      Abella Ferrer, Jaume; Vera Rivera, Francisco Javier; Unsal, Osman Sabri; Ergin, Oguz; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Conference report
      Open Access
      This paper proposes the fuse, a technique to anticipate failures due to degradation in any ALU (arithmetic logic unit), and particularly in an adder. The fuse consists of a replica of the weakest transistor in the adder ...
    • Gossiping in chordal rings under the line model 

      Barrière Figueroa, Eulalia; Cohen, Johanne; Mitjana Riera, Margarida (2000)
      Article
      Open Access
      The line model assumes long distance calls between non neighboring processors. In this sense, the line model is strongly related to circuit-switched networks, wormhole routing, optical networks supporting wavelength ...
    • Impact of parameter variations on circuits and microarchitecture 

      Unsal, Osman Sabri; Tschanz, James W.; Bowman, Keith; De, Vivek; Vera Rivera, Francisco Javier; González Colás, Antonio María; Ergin, Oguz (2006-12)
      Article
      Open Access
      Parameter variations, which are increasing along with advances in process technologies, affect both timing and power. Variability must be considered at both the circuit and microarchitectural design levels to keep pace ...
    • Improving the efficiency of DC-DC converters by selecting an appropriate inductor current 

      López Salvadó, David (Universitat Politècnica de Catalunya, 2014-12-19)
      Master thesis
      Open Access
      [ENGLISH] The main goal of this project is to find an optimal current flowing through the DC-DC converter's inductor during the energy transfer from the voltage source to the load. To do this, it has been proposed a circuit ...
    • Inforrme de la segona anualitat del projecte CATRENE-PANAMA per al programa AVANZA I+D 

      González Jiménez, José Luis; Dufis, Cédric Yvan (2011-03-16)
      Research report
      Restricted access - confidentiality agreement
      Informe de les tasques i activitats desenvolupades al projecte europeu CATRENE-PANAMA durant l'any 2010 per el grup de recerca de la UPC HiPICS
    • Instal·lació elèctrica d'un bloc de vivendes amb serveis generals i locals comercials 

      Palomes Escolà, Gerard (Universitat Politècnica de Catalunya, 2007-06-26)
      Master thesis (pre-Bologna period)
      Open Access
      La finalitat d’aquest projecte es basa en especificar les parts que composen l’instal·lació elèctrica de Baixa Tensió d’un local comercial destinat a un Bar-Restaurant, així com exposar les condicions tècniques i econòmiques ...
    • Modeling complex networks with self-similar outerplanar unclustered graphs 

      Comellas Padró, Francesc de Paula; Miralles de la Asunción, Alicia (2009-01-21)
      Article
      Open Access
      This paper introduces a family of modular, self-similar, small-world graphs with clustering zero. Relevant properties of this family are comparable to those of some networks associated with technological systems with a low ...
    • Noves perspectives de disseny de circuits amb memòries 

      Aguiló Llobet, Jordi; Valderrama Vallés, Elena; Fabregat Guinot, Francisco (Universitat Politècnica de Barcelona. Centre de Càlcul, 1980-09)
      Article
      Open Access
      Les tècniques d'integració actuals fan necessari mantenir al dia els algorismes fets servir al disseny. En aquest sentit l'objectiu d'aquest article és presentar un estat de la questió del tema de la descomposició modular ...
    • Nudos, trenzas y criptología 

      González-Meneses, Juan (2005-03-02)
      Audiovisual
      Open Access
      "Desde sus orígenes, en los años 20, la principal aplicación de los grupos de trenzas ha sido la teoría de nudos. En la actualidad aún se espera resolver importantes problemas --por ejemplo, encontrar un algoritmo ...
    • On the stability of shield-driver circuits 

      Spinelli, Enrique M.; Reverter Cubarsí, Ferran (2010-02)
      Article
      Open Access
    • On the use of CFD to obtain head loss coefficients in hydraulic systems and its application to liquid metal MHD flows in nuclear fusion reactor blankets 

      Suárez Cambra, Daniel; Mas de les Valls Ortiz, Elisabet; Batet Miracle, Lluís (2021-12-01)
      Article
      Open Access
      When an incompressible fluid flows through a contraction in a conduit, the increase in the kinetic energy of the fluid is accompanied by a pressure drop. This pressure drop is not to be assimilated with head loss. If ...
    • Planar unclustered graphs to model technological and biological networks 

      Miralles de la Asunción, Alicia; Chen, Lichao; Zhang, Zhongzhi; Comellas Padró, Francesc de Paula (2009-02-25)
      Article
      Open Access
      Many real life networks present an average path length logarithmic with the number of nodes and a degree distribution which follows a power law. Often these networks have also a modular and self-similar structure and, in ...
    • Plantejament d'activitats amb circuits elèctrics a 2n d'ESO: de la manipulació a la simulació 

      Gago Torres, Aleandro (Universitat Politècnica de Catalunya, 2013-06-26)
      Master thesis
      Open Access
      Aquest TFM es desenvolupa a partir del treball dels Circuits elèctrics a 2n d'ESO, amb aquesta intenció ha generat un material de treball que permet impartir la material en dos vessants diferents, en al seva part ...
    • Simulació de circuits amb SPICE : una introducció simplificada 

      Mas Casals, Orestes Miquel; Moncunill Geniz, Francesc Xavier; Sanz Postils, Margarita (Universitat Politècnica de Catalunya, 2021-03)
      Lecture notes
      Open Access
    • Small primitive roots and malleability of RSA 

      Jiménez Urroz, Jorge; Dieulefait, Luis Victor (2012)
      Conference report
      Open Access
      In their paper [9], P. Paillier and J. Villar make a conjectur e about the malleability of an RSA modulus. In this paper we present an ex plicit algo- rithm refuting the conjecture. Concretely we can factorize an RSA ...
    • Soft-limiter circuit forms basis of simple AM modulator 

      Martínez García, Herminio; García, Encarna; Gámiz Caro, Juan (2007-08)
      Article
      Open Access