Mostrando ítems 1-20 de 212
Coll Valentí, Arnau (Fecha de defensa: 2024-04-26)
(English) This thesis works towards efficient and cost-effective methods to improve the performance of thin silicon solar cells. Focusing on two principal objectives, the Thesis develops novel techniques to enhance the ...
Rallis, Konstantinos (Fecha de defensa: 2024-05-09)
(English) Lately, in the rise of the era of 2D materials, Graphene is one of the materials that has been extensively investigated for its possible integration in computing devices and thus computing circuits. This is mainly ...
El Gharbi, Mariam (Fecha de defensa: 2023-10-06)
(English) Wearable antenna sensors are a promising technology for developing new applications in the healthcare field since textiles are widely used by everyone due to the maturity of textile manufacturing. According to ...
Company Se, Georgina (Fecha de defensa: 2023-07-03)
(English) Respiratory diseases, along with heart diseases, are the most prevalent in the world. The acquisition of lung samples is essential for a correct diagnosis of the disease. For peripheral lesions it is not easy to ...
Urbano González, Eva María (Fecha de defensa: 2023-06-01)
(English) The current energy transition fosters the insertion of renewable energies and system decentralisation intending to achieve a more secure, sustainable and efficient energy market. The industry can play a key role ...
Martínez Estrada, Marc (Fecha de defensa: 2023-03-10)
(English) Nowadays, the textile clothing industry is searching for new ways to add value to their products. Developments in textile sensors start to demonstrate their usability and possibilities when they are integrated ...
Palma Carmona, Kenneth (Fecha de defensa: 2023-10-18)
(English) Cryptography is the science that studies how to achieve secure communication between multiple parties. Under the assumption that any message transmitted is to be ultimately intercepted, the endeavors of cryptography ...
González Mariño, Ángela (Fecha de defensa: 2023-10-27)
(English) This PhD dissertation analyzes the evolution of vehicular networks and focuses on the main network processing platform integrated in them: the Gateway (GW). First, a thorough analysis of state of the art technologies ...
Arellano Espitia, Francisco (Fecha de defensa: 2023-10-10)
(English) In recent years, there has been significant attention from both the academic and industry sectors towards condition-based maintenance of rotating systems. This attention stems from the high relevance of these ...
Acosta Cambranis, Fernando Geovany (Fecha de defensa: 2023-07-11)
(English) Greater interest in multiphase electrical systems has led to their increased use in electric traction, renewable energy generation, energy transmission, and various industrial applications. This growing interest ...
Selseleh Jonban, Mansour (Fecha de defensa: 2023-06-09)
(English) Nowadays, distributed energy resources are widely used to supply demand in micro grids especially in green buildings. These resources are usually connected by using power electronic converters, which act as ...
Alfaro Aragón, Carlos Arturo (Fecha de defensa: 2022-06-28)
(English) This doctoral thesis focuses on the modeling and control of electrical microgrids and triphasic converters. The starting points of this research work are based on previous work on modeling electrical microgrids ...
Almache Hernández, Rosa Estefanía (Fecha de defensa: 2023-06-29)
(English) In recent years, there has been an increasing need to find an environmentally friendly and low-pollution alternative for electricity production through solar energy absorption. Since 1950, photovoltaic researchers ...
Salehi, Navid (Fecha de defensa: 2023-02-08)
(English) This thesis is introduced the research performed on microgrid applications, especially in cooperative operating mode. The research is conducted considering two main challenging aspects of microgrid operation over ...
Lumbreras Carrasco, David (Fecha de defensa: 2022-07-19)
Electrical and electronic equipment needs sinusoidal currents and voltages to function properly. Equipment such as computers, household appliances, electric vehicle chargers, and LED lights can distort the grid and worsen ...
Canziani Amico, Franco (Fecha de defensa: 2022-07-22)
In 2015 the United Nations established the 17 Sustainable Development Goals: a set of interrelated objectives and a guide to reach a more sustainable and higher quality future for all humanity. The goals were set with a ...
Carrió Díaz, David (Fecha de defensa: 2022-07-25)
In order to optimize photovoltaic conversion efficiency, various solar cell architectures based on monocrystalline silicon (c-Si) have emerged in the past. Solar cells with interdigitated back contacts IBC (Interdigitated ...
Luo, Chengyang (Fecha de defensa: 2022-06-21)
Radio frequency identification over measurable ultra-high frequency textile substrates (UHF-RFID) is a promising technology to develop new applications in the field of health and the Internet of Things (IOT), due to the ...
Véliz Noboa, Bremnen Marino (Fecha de defensa: 2020-01-30)
This work develops a novel capacitor device based on the use of nanotechnology. The device starts from the exiting metal-insulator-metal (MIM) concept, but instead of a continuous insulator layer, dielectric nanoparticles ...
Aghazadeh Dafsari, Seyed Rasoul (Fecha de defensa: 2022-05-03)
Antenna array systems have a broad range of applications in radio frequency (RF) and ultra-wideband (UWB) communications to receive/transmit electromagnetic waves from/to the sky. They can enhance the amplitude of the input ...