Now showing items 87-106 of 108

    Resolución del problema de flujo general flexible con fechas comprometidas y costes dependientes del intervalo de realización de las operaciones 

    González Vargas, Néstor Andrés (Date of defense: 2013-06-28)

    En el marco de la problemática de la programación de operaciones en taller, en esta tesis se introduce un nuevo problema, que se identifica como problema de flujo general flexible (fJSP) con fechas comprometidas y costes ...

    Resource and performance trade-offs in real-time embedded control systems 

    Lozoya Gámez, Rafael Camilo (Date of defense: 2011-07-19)

    The use of computer controlled systems has increased dramatically in our daily life. Microprocessors are embedded in most of the daily- used devices. Due to cost constraints, many of these devices that run control ...

    Robot learning from demonstration of force-based manipulation tasks 

    Rozo, Leonel (Date of defense: 2013-06-11)

    One of the main challenges in Robotics is to develop robots that can interact with humans in a natural way, sharing the same dynamic and unstructured environments. Such an interaction may be aimed at assisting, helping or ...

    The robot null space : new uses for new robotic systems 

    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, new uses of the ...

    Robust perceptual organization techniques for analysis of color images 

    Moreno Serrano, Rodrigo (Date of defense: 2010-11-15)

    Esta tesis aborda el desarrollo de nuevas técnicas de análisis robusto de imágenes estrechamente relacionadas con el comportamiento del sistema visual humano. Uno de los pilares de la tesis es la votación tensorial, una ...

    Searching and tracking of humans in urban environments with humanoid robots 

    Goldhoorn, Alex (Date of defense: 2017-09-21)

    Searching and tracking are important behaviours for a mobile service robot to assist people, to search-and-rescue and, in general, to locate mobile objects, animals or humans. Even though searching might be evident for ...

    Sensor placement for fault diagnosis based on structural models: application to a fuel cell stak system 

    Rosich Oliva, Albert (Date of defense: 2011-06-03)

    The present work aims to increase the diagnosis systems capabilities by choosing the location of sensors in the process. Therefore, appropriate sensor location will lead to better diagnosis performance and implementation ...

    Sequencing in Mixed Model Non-Permutation Flowshop Production Lines using Constrained Buffers 

    Färber, Gerrit (Date of defense: 2007-02-12)

    En una línea de producción clásica, solamente se producían productos con las mismas opciones. Para la fabricación de variaciones del mismo producto básico se utilizaba una línea diferente o eran necesarias modificaciones ...

    Síntesis de controladores para convertidores de potencia utilizando realimentación de la salida pasiva de la dinámica exacta del error de seguimiento: teoría y práctica 

    Spinetti Rivera, Mario de Jesús (Date of defense: 2010-03-05)

    The essential idea of this thesis is to present a sufficiently general technique for the synthesis of control laws based on the passivity property. The fundamental ideal is properly exploit the exact tracking error dynamics ...

    Sliding mode control of the stand alone wound rotor synchronous generator 

    Muñoz Aguilar, Raúl Santiago (Date of defense: 2010-07-19)

    En esta Tesis ha sido analizado el control de la màquina sincrónica de rotor bobinado actuando en isla. Para esta configuración, la velocidad mecànica determina la frecuencia, y la tensión de rotor se utiliza para fijar ...

    Social robot navigation in urban dynamic environments 

    Ferrer Mínguez, Gonzalo (Date of defense: 2015-10-30)

    Deploying mobile robots in social environments requires novel navigation algorithms which are capable of providing valid solutions in such challenging scenarios. The main objective of the present dissertation is to develop ...

    Solving inverse kinematics problems using an interval method 

    Castellet Llerena, Albert (Date of defense: 1998-10-09)

    de la tesi<br/><br/>El principal objectiu d'aquesta tesi és establir una base teòrica que permeti resoldre problemes cinemàtics inversos mitjançant mètodes d'intervals.<br/><br/>La primera part de la tesi desenvolupa i ...

    Solving robotic kinematic problems : singularities and inverse kinematics 

    Zaplana Agut, Isiah (Date of defense: 2018-09-14)

    Kinematics is a branch of classical mechanics that describes the motion of points, bodies, and systems of bodies without considering the forces that cause such motion. For serial robot manipulators, kinematics consists of ...

    Task-oriented viewpoint planning for free-form objects 

    Foix Salmerón, Sergi (Date of defense: 2016-07-28)

    This thesis deals with active sensing and its use in real exploration tasks under both scene ambiguities and measurement uncertainties. While object modeling is the implicit objective of most of active sensing algorithms, ...

    A template based approach for human action recognition 

    Carmona Leyva, Josep Maria (Date of defense: 2018-06-19)

    Visual analysis of human movements concerns the understanding of human activities from image sequences. The goal of the action/gesture recognition is to recognize the label that corresponds to an action or gesture made by ...

    Técnicas de control para la mejora de la estabilidad en redes eléctricas DC con convertidores operando a potencia constante 

    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 resistance, compromising ...

    The role of population games in the design of optimization-based controllers: a large-scale insight 

    Barreiro Gómez, Julián (Date of defense: 2017-05-17)

    This thesis is mainly devoted to the study of the role of evolutionary-game theory in the design of distributed optimization-based controllers. Game theoretical approaches have been used in several engineering fields, e.g., ...

    Transformación escalar de la interfaz de operador en teleoperación asistida 

    Muñoz Morgado, Luis Miguel (Date of defense: 2012-02-03)

    Human-machine interaction in teleoperation, through the adequate user interface, allows achieving the level of intelligence necessary to execute complex tasks that cannot be executed by machines or robots alone neither ...

    Understanding human-centric images : from geometry to fashion 

    Simó Serra, Edgar (Date of defense: 2015-07-06)

    Understanding humans from photographs has always been a fundamental goal of computer vision. Early works focused on simple tasks such as detecting the location of individuals by means of bounding boxes. As the field ...

    Utilización de GSSA en el diseño de controladores para rectificadores AC/DC 

    Gaviria López, Carlos Alberto (Date of defense: 2004-07-28)

    El problema de la rectificación AC/DC de la energía eléctrica con criterios de eficiencia de conversión de potencia, baja interferencia electromagnética, bajo contenido armónico en la corriente de línea, factor de potencia ...