Browsing by Contributor "Abella Ferrer, Jaume"
Now showing items 1-20 of 20
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An approach to quantifying hardware diversity against common cause failures
(Universitat Politécnica de Catalunya / Universitat Politècnica de Catalunya, 2018-01-14)
Master thesis
Open AccessIn 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 ... -
An evaluation of energy vs accuracy tradeoffs for object detection accelerators
(Universitat Politècnica de Catalunya, 2022-07-01)
Master thesis
Restricted access - author's decision -
Analysis of SoftError Rates for future technologies
(Universitat Politècnica de Catalunya, 2015-07)
Master thesis
Open AccessLa 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
(Universitat Politècnica de Catalunya, 2018-07)
Master thesis
Open Access
Covenantee: Politecnico di MilanoNowadays, 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
(Universitat Politècnica de Catalunya, 2014-05-16)
Doctoral thesis
Open AccessIncreasing 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 ... -
Design and implementation of a traffic injector for a bus-based space multicore
(Universitat Politècnica de Catalunya, 2021-01-26)
Master thesis
Open AccessReal-time multiprocessor systems have particular needs related to their design, verification, and validation. In particular, they have stringent requirements to prove that they will correctly perform their functionalities, ... -
Design of a diversity enforcement module for safety critical processing systems
(Universitat Politècnica de Catalunya, 2022-07-02)
Master thesis
Open AccessSafety-critical systems must adhere to specific functional safety standards describing the development process for those systems. One key requirement is the ability to avoid a single fault from causing a system failure, ... -
Enabling caches in probabilistic timing analysis
(Universitat Politècnica de Catalunya, 2017-09-06)
Doctoral thesis
Open AccessHardware 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
(Universitat Politècnica de Catalunya, 2018-11-15)
Doctoral thesis
Open AccessArtificial 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
(Universitat Politècnica de Catalunya, 2016-01)
Master thesis
Open AccessIn 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
(Universitat Politècnica de Catalunya, 2016-07-18)
Doctoral thesis
Open AccessCritical 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
(Universitat Politècnica de Catalunya, 2012-10-02)
Doctoral thesis
Open AccessIn 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
(Universitat Politècnica de Catalunya, 2016-07)
Master thesis
Open AccessThis 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 ... -
Non-functional considerations of time-randomized processor architectures
(Universitat Politècnica de Catalunya, 2020-12-04)
Doctoral thesis
Open AccessCritical Real-Time Embedded Systems (CRTES) are the subset of embedded systems with timing constraints whose miss behavior can endanger human lives or expensive equipment. To provide evidence of correctness, CRTES are ... -
On the analysis of the timing behaviour of time randomised caches
(Universitat Politècnica de Catalunya, 2016-07-07)
Master thesis
Open AccessTime 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
(Universitat Politècnica de Catalunya, 2018-04-16)
Master thesis
Open Access
Covenantee: Barcelona Supercomputing Center / Barcelona Supercomputing CenterThis 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
(Universitat Politècnica de Catalunya, 2019-12-18)
Doctoral thesis
Open AccessOver 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
(Universitat Politècnica de Catalunya, 2016-05-26)
Doctoral thesis
Open AccessChip 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
(Universitat Politècnica de Catalunya, 2017-11-13)
Doctoral thesis
Open AccessIndustry 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
(Universitat Politècnica de Catalunya, 2017-07)
Master thesis
Open AccessIn 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 ...
