Now showing items 1289-1308 of 5512

    Control of voltage source converters for distributed generation in microgrids 

    Pegueroles Queralt, Jordi (Date of defense: 2015-07-20)

    Microgrids are the near future candidate to reduce the dependence on the carbon-based generation, towards a more environmentally friendly and sustainable energy paradigm. The popularization of the use of renewable energy ...

    Control strategies for exoskeleton gait training after stroke: understanding the importance of parameter tuning 

    Miguel Fernández, Jesús de (Date of defense: 2023-11-17)

    (English) The control strategies implemented in exoskeletons play a crucial role in determining the interaction between the device and user. However, it is unclear what is the most suitable control strategy and settings ...

    Control strategy and predictive methods for performance and component lifetime enhancement in vehicle powertrain 

    Martín Prieto, Álvaro (Date of defense: 2023-04-26)

    (Enlish) In the past years, battery electric vehicles have been gaining market share. These vehicles are progressively seen as a viable option by customers of all kind. However, although manufacturers and research institutions ...

    Control strategy of grid connected power converter based on virtual flux approach 

    Roslan, Nurul Fazlin (Date of defense: 2021-12-16)

    Distributed Generation (DG) provides an alternative to the Centralized Generation (CG) by means of generating electricity near to the end user of power with the employment of small-scale technologies to produce electricity, ...

    Control structures and optimal sensor/actuator allocation: application in active noise control 

    Cugueró Escofet, Miguel Àngel (Date of defense: 2010-03-05)

    Aquesta tesi presenta treball original i aplicat en l'àrea del control i la col·locació de sensors/actuadors (S/A) en sistemes de Control Actiu de Soroll (ANC). Primer, s'han aplicat tècniques de control i identificació ...

    Controlador de histéresis de bajo coste para convertidos buck síncrono multifase 

    Borrell Sanz, Angel (Date of defense: 2012-07-12)

    The multiphase synchronous buck converter is universally used today for powering low voltage, high current and high slew-rate loads, such as CPUs and other high performance digital ICs. This converter demands control ...

    Controlling interactions in quantum materials : from a microscopic description to quantum simulation 

    Julià Farré, Sergi (Date of defense: 2022-06-28)

    The last decades have witnessed impressive technical advances in all the fields of quantum science, including solid-state systems or atomic, molecular, and optical physics, allowing one to control materials at the microscopic ...

    Controlling the multipolar interference of nanoantennas 

    Hancu, Ion Michael (Date of defense: 2019-01-18)

    The emission and detection of light is a main pillar of both fundamental research and the advancement of modern technologies. From digital communications and quantum computing to novel cancer treatments and faded jeans, ...

    Convección natural en cavidades tridimensionales 

    Sánchez Casals, Odalys (Date of defense: 2015-11-10)

    The modelling of convective transport processes involving heat and mass transfer in an incompressible Newtonian fluid in cylindrical domains is a relevant research subject both for theoretical research and for industry. ...

    Convección térmica en un anillo cilíndrico en rotación 

    Alonso Maleta, Ma. Aránzazu (María Aránzazu) (Date of defense: 1999-04-30)

    En la tesis doctoral Convección térmica en un anillo cilíndrico en rotación se estudian diferentes aspectos de la dinámica lineal y no lineal de un fluido Boussinesqconfinado en un anillo cilíndrico, en rotación alrededor ...

    Converged RAN/MEC slicing in beyond 5G (B5G) networks 

    Ojaghi Kahjogh, Behnam (Date of defense: 2023-07-13)

    (English) The main objective of this thesis is to propose solutions for implementing dynamic RAN slicing and Functional Split (FS) along with MEC placements in 5G/B5G. In particular, this thesis is divided into three parts. ...

    Convergence of deep learning and high performance computing: challenges and solutions 

    Njoroge Kahira, Albert (Date of defense: 2021-07-30)

    Deep Learning has achieved outstanding results in many fields and led to groundbreaking discoveries. With the steady increase in datasets and model sizes, there has been a recent surge in Machine Learning applications in ...

    Convergence of high performance computing, big data, and machine learning applications on containerized infrastructures 

    Liu, Peini (Date of defense: 2023-07-17)

    (English) The convergence of High Performance Computing (HPC), Big Data (BD), and Machine Learning (ML) in the computing continuum is being pursued in earnest across the academic and industry. We envision virtualization ...

    Cooperación entre la aplicación y el kernel para la planificación de flujos, en sistemas multiprocesadores, como soporte al paralelismo 

    Gil Gómez, Maria Luisa (Date of defense: 1994-07-04)

    El objetivo de nuestro trabajo ha sido defender la tesis de que, para los entornos de trabajos actuales, multiprocesador, una opción válida para obtener el mejor rendimiento de las aplicaciones paralelas de propósito general ...

    Cooperation in open, decentralized, and heterogeneous computer networks 

    Neumann, Axel (Date of defense: 2017-12-20)

    Community Networks (CN) are naturally open and decentralized structures, that grow organically with the addition of heterogeneous network devices, contributed and configured as needed by their participants. The continuous ...

    Cooperative caching and prefetching in parallel/distributed file systems 

    Cortés, Toni (Date of defense: 1997-12-12)

    Cooperative social robots: accompanying, guiding and interacting with people 

    Garrell Zulueta, Anaís (Date of defense: 2013-12-20)

    The development of social robots capable of interacting with humans is one of the principal challenges in the field of robotics. More and more, robots are appearing in dynamic environments, like pedestrian walkways, ...

    Coordinated Scheduling and Dynamic Performance Analysis in Multiprocessors Systems 

    Corbalán González, Julita (Date of defense: 2002-07-05)

    El rendimiento de los actuales sistemas multiprocesador de memoria compartida depende tanto de la utilización eficiente de todos los componentes del sistema (procesadores, memoria, etc), como de las características del ...

    Coordination strategies for interference management in MIMO dense cellular networks 

    Lagén Morancho, Sandra (Date of defense: 2016-12-21)

    The envisioned rapid and exponential increase of wireless data traffic demand in the next years imposes rethinking current cellular networks due to the available spectrum scarcity. In this regard, 3 main drivers are ...

    Copper indium sulfide colloidal quantum dot solar cells 

    So, David (Date of defense: 2016-10-19)

    The ubiquity of solar energy conversion technology is an exciting target which we aspire for in this century. Colloidal quantum dot (CQD) solar cells are an attractive platform, being low-cost and allowing facile control ...