Browsing Programa de Doctorat en Automàtica, Robòtica i Visió by Subject "620"

Now showing items 1-7 of 7

Active power sharing and frequency regulation in inverter-based islanded microgrids subject to clock drifts, damage in power links and loss of communications

Rosero Chandi, Carlos Xavier (Date of defense: 2020-02-06)

Microgrids (MGs) are small-scale power systems containing storage elements, loads and distributed generators that are interfaced with the electric network via power electronic inverters. When an MG is in islanded mode, its ...

Advances in nonlinear observer design for state and parameter estimation in energy systems

Cecilia Piñol, Andreu (Date of defense: 2022-04-19)

(English) Critical energy challenges are forcing a rapid modification of the current energy infrastructure. lndeed, larger renewable energy penetration, more distributed generation and storage, and higher degree of autonomy ...

Enhancing maintenance and energy efficiency in smart manufacturing processes through non-intrusive monitoring strategies

Bermeo Ayerbe, Miguel Ángel (Date of defense: 2022-12-02)

(English) Concern about energy efficiency has increased in the industry, mainly motivated by rising energy prices and government policies to raise awareness of environmental impact. For this reason, this thesis is dedicated ...

Fault diagnosis in wind turbines using machine learning techniques

Pérez Pérez, Esvan de Jesús (Date of defense: 2023-11-30)

(English) In recent years, wind power has emerged as a promising alternative to fossil fuels, with wind turbines widely used to generate clean energy. However, like complex machinery, wind turbines are prone to faults that ...

Modeling and control for a fuel cell system

Xing, Yashan (Date of defense: 2021-07-01)

(English) Fuel cells are electrochemical devices to covert hydrogen and oxygen into electrical energy and heat. However, the degradation during the operation can reduce a fuel cell lifetime which is the major obstacle for ...

Modeling and control of a vanadium redox flow battery

Clemente León, Alejandro (Date of defense: 2023-03-29)

(English) Due to the current climate crisis, significant efforts are being made in the field of renewable energies, being one of the main challenges the storage of energy in an efficient, environmentally friendly and ...

Modelling and control of high-temperature proton exchange membrane fuel cells for combined heat and power comfort applications

Sanz i López, Víctor (Date of defense: 2022-10-04)

(English) In this thesis, a model predictive control-based energy management system for a specific house powered by a high temperature proton exchange membrane fuel cell is presented. Fuel cells and combined heat and power ...