Now showing items 1-16 of 16

    • An approach to quantifying hardware diversity against common cause failures 

      Alcaide i Portet, Sergi (Universitat Politécnica de Catalunya / Universitat Politècnica de Catalunya, 2018-01-14)
      Master thesis
      Open Access
      In this thesis, we cover the gapof quantifying diversity by introducing DIMP, a low-cost diversity metric based on analyzing the paths of the circuits and relating it to the particular case of automotive microcontrollers ...
    • Analysis of SoftError Rates for future technologies 

      Riera Villanueva, Marc (Universitat Politècnica de Catalunya, 2015-07)
      Master thesis
      Open Access
      La fiabilitat s'ha convertit en un aspecte important del disseny de sistemes informàtics a causa de la miniaturització de la tecnologia. En aquest projecte s'analitza la fiabilitat de les tecnologies actuals i futures ...
    • Assessment of a microcontroller for safety-critical avionics and automotive systems 

      Toscano, Lorenzo Giuseppe (Universitat Politècnica de Catalunya, 2018-07)
      Master thesis
      Open Access
      Covenantee:   Politecnico di Milano
      Nowadays, microcontrollers used in critical real-time embedded systems use mostly one core, but are being replaced with more powerful hardware platforms that implement multicore systems. Among the latter, it is possible ...
    • Cache designs for reliable hybrid high and ultra-low voltage operation 

      Maric, Bojan (Universitat Politècnica de Catalunya, 2014-05-16)
      Doctoral thesis
      Open Access
      Increasing demand for implementing highly-miniaturized battery-powered ultra-low-cost systems (e.g., below 1 USD) in emerging applications such as body, urban life and environment monitoring, etc., has introduced many ...
    • Enabling caches in probabilistic timing analysis 

      Kosmidis, Leonidas (Universitat Politècnica de Catalunya, 2017-09-06)
      Doctoral thesis
      Open Access
      Hardware and software complexity of future critical real-time systems challenges the scalability of traditional timing analysis methods. Measurement-Based Probabilistic Timing Analysis (MBPTA) has recently emerged as an ...
    • Enhancing timing analysis for COTS multicores for safety-related industry : a software approach 

      Fernández Díaz, Gabriel Alejandro (Universitat Politècnica de Catalunya, 2018-11-15)
      Doctoral thesis
      Open Access
      Artificial system interaction with the real environment is in general based on the deployment of properly coordinated sensors and actuators, establishing between them a “dynamic control-loop”. The time to close this ...
    • Exploring average-case and probabilistic worst-case performance of time randomised caches and their associated overheads 

      Milutinovic, Suzana (Universitat Politècnica de Catalunya, 2016-01)
      Master thesis
      Open Access
      In this work we focus on the analysis of performance in the context of Probabilistic Timing Analysis (PTA) from different angles. First, we model and evaluate average performance of time-randomised caches used in the context ...
    • Improving time predictability of shared hardware resources in real-time multicore systems : emphasis on the space domain 

      Jalle Ibarra, Javier (Universitat Politècnica de Catalunya, 2016-07-18)
      Doctoral thesis
      Open Access
      Critical Real-Time Embedded Systems (CRTES) follow a verification and validation process on the timing and functional correctness. This process includes the timing analysis that provides Worst-Case Execution Time (WCET) ...
    • Layout regularity for design and manufacturability 

      Pons Solé, Marc (Universitat Politècnica de Catalunya, 2012-10-02)
      Doctoral thesis
      Open Access
      In nowadays nanometer technology nodes, the semiconductor industry has to deal with the new challenges associated to technology scaling. On one hand, process developers face increasing manufacturing cost and variability, ...
    • Modelling Contention in Multicore Hardware Resources during Early Design Stages of Real-Time Systems 

      Trilla Rodríguez, David (Universitat Politècnica de Catalunya, 2016-07)
      Master thesis
      Open Access
      This thesis presents a modelling approach for the timing behavior of real-time embedded systems in early design phases. The model focuses on multicore processors and it predicts the contention tasks suffer in the access ...
    • On the analysis of the timing behaviour of time randomised caches 

      Benedicte Illescas, Pedro (Universitat Politècnica de Catalunya, 2016-07-07)
      Master thesis
      Open Access
      Time Randomised caches (TRc), which can be implemented at hardware level or with software means on conventional deterministic cache designs, have been proposed for real-time systems as key enablers for Probabilistic ...
    • On the Impact of Heterogeneous NoC Bandwidth Allocation in the WCET of Applications 

      Cardona Nadal, Jordi (Universitat Politècnica de Catalunya, 2018-04-16)
      Master thesis
      Open Access
      Covenantee:   Barcelona Supercomputing Center / Barcelona Supercomputing Center
      This thesis analyzes the potential of a Flexible Bandwidth Allocation (FBA) method for networks-on-chip (NoCs), which provides heterogeneous bandwidth distribution to improve the worst-case execution time (WCET) of parallel ...
    • On the limits of probabilistic timing analysis 

      Milutinovic, Suzana (Universitat Politècnica de Catalunya, 2019-12-18)
      Doctoral thesis
      Open Access
      Over the last years, we are witnessing the steady and rapid growth of Critica! Real-Time Embedded Systems (CRTES) industries, such as automotive and aerospace. Many of the increasingly-complex CRTES' functionalities that ...
    • Per-task energy metering and accounting in the multicore era 

      Liu, Qixiao (Universitat Politècnica de Catalunya, 2016-05-26)
      Doctoral thesis
      Open Access
      Chip multi-core processors (CMPs) are the preferred processing platform across different domains such as data centers, real-time systems and mobile devices. In all those domains, energy is arguably the most expensive ...
    • Probabilistically time-analyzable complex processor designs 

      Slijepcevic, Mladen (Universitat Politècnica de Catalunya, 2017-11-13)
      Doctoral thesis
      Open Access
      Industry developing Critical Real-Time Embedded Systems (CRTES), such as Aerospace, Space, Automotive and Railways, faces relentless demands for increased guaranteed processor performance to support new advanced functionalities ...
    • Software support to strengthen measurement-based timing analysis 

      Díaz Roque, Enrique (Universitat Politècnica de Catalunya, 2017-07)
      Master thesis
      Open Access
      In critical domains, the advent of high-performance (complex) hardware, used to provide the rising levels of guaranteed performance, complicates providing evidence of reliable software execution specially on aspects ...