Luna Pacho, Julio Alberto (Date of defense: 2017-02-27)
Proton exchange membrane (PEM) fuel cells, which use hydrogen as fuel, provide high power densities while operating at lower temperatures, reducing the cost of materials and maintenance. PEM fuel cells ...
Arocas Pérez, José (Date of defense: 2022-05-18)
Some electrical devices in direct current (DC) networks, under certain operating characteristics, behave as constant power loads (CPLs). This behavior is defined by presenting negative incremental ...
Claret Robert, Josep Arnau (Date of defense: 2019-10-02)
This doctoral thesis deals with the use of the robot redundancy to execute several tasks simultaneously at different levels of priority and its application to two different robotic systems. In particular, ...