Ara es mostren els items 1-20 de 34

  • 3 cat-4 attitude control system 

    Martínez Zúñiga, Julio (Universitat Politècnica de Catalunya, 2018-07-09)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    The goal of this Master Thesis (MT) is the development and simulation of detumbling algorithms for the Attitude Determination and Control System (ADCS) of the 3Cat-4 nanosatellite. The difficulty of the ADCS will be given ...
  • Anàlisi de viabilitat d'un satèl·lit en òrbita LEO 

    Benzal Santamaria, Luis Alberto; Velasco Carcaboso, Vanessa (Universitat Politècnica de Catalunya, 2010-01-20)
    Treball Final de Grau
    Accés obert
    The present work analyses the requirements related to the orbit and the effects of the space radiation on Polosat, a toy-model satellite whose main goal is to monitor and image the Earth Poles. Our main objective has ...
  • An experimental investigation of the effect of fractal grids on the near and full field structure of a turbulent round jet 

    Plançon, Eric (Universitat Politècnica de Catalunya, 2016-04-07)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    This project involves the experimental analysis of a jet with different nozzle configurations. The first configuration being a classic round nozzle and the second is modified adding a "fractal grid" by modifying the flow ...
  • A swarm of femtosatellites for lower thermospheric density determination. 

    Lledó Ardila, Carlos (Universitat Politècnica de Catalunya, 2015-07-30)
    Projecte Final de Màster Oficial
    Accés obert
    The Lower thermosphere (between 80 and 350 km) is quite badly known due to the scarcity of satellites in this region. Nevertheless, it is an important region in several respects. Firstly, because its density determines ...
  • Bus d'un microstaèl·lit en òrbita de la Terra 

    Borràs i Garallo, Jordi (Universitat Politècnica de Catalunya, 2006-12-20)
    Projecte/Treball Final de Carrera
    Accés obert
    En aquest treball es pretén realitzar el disseny basic, o disseny de fase A, d’un microsatèl•lit per a una missió en orbita al voltant de la Terra. L’objectiu d’aquesta missió es mesurar els efectes de la radiació ionitzant ...
  • Caracteritzation of noise in MEMS accelerometres for femtosats 

    Liebana Moradillo, Oscar (Universitat Politècnica de Catalunya, 2018-07-27)
    Treball Final de Grau
    Accés obert
    Realitzat a/amb:  NanoSat Lab
    The aim of this thesis is to determine the characteristics of the noise of an ultralow noise MEMS accelerometer. The study of these characteristics will allow to determine if the accelerometer can be used in the scientific ...
  • Certification of new ATM regulations for ATR aircraft 

    Okina Mondragon, Ander (Universitat Politècnica de Catalunya, 2016-07-13)
    Treball Final de Grau
    Accés restringit per acord de confidencialitat
    Realitzat a/amb:  ATR Aircraft
  • Design and construction of a picosatellite’s primary structure by using 3D printing technologies 

    Nicolás Álvarez, Jorge (Universitat Politècnica de Catalunya, 2016-07-28)
    Treball Final de Grau
    Accés obert
    The viability of developing the design and manufacture of the structure of a small satellite CubeSat, at the School of Telecommunications and Aerospace Engineering of Castelldefels( EETAC), at the Polytechnical University ...
  • Design and fabrication of low gain fractal antenna for space application 

    Viswanathan, Premkumara (Universitat Politècnica de Catalunya, 2018-09-14)
    Projecte Final de Màster Oficial
    Accés obert
    The objective of this project is to enhance current technologies in the field of aerospace communication s to facilitate data transfer s using CubeSat s. The idea is to design a fractal patch antenna for CubeSat that ...
  • Design and test of the bus of a very small solar sail 

    Navarro Juarez, Victor (Universitat Politècnica de Catalunya, 2017-10-31)
    Treball Final de Grau
    Accés obert
    With the advance on technology field, aerospace systems have been evolving during the years. Tendency on reducing size, mass and cost by increasing the efficiency on different elements has opened a wide range of possibilities. ...
  • Design, deployment mechanism, and thermal control of a very small solar sail 

    Pie Rubio, Carles (Universitat Politècnica de Catalunya, 2017-10-31)
    Treball Final de Grau
    Accés obert
    This document contains the design of a solar sail. Three main parts will be studied in this project: structural design, thermal design and deployment . The first one will be based in studying the different ...
  • Design of a planetary aerobot 

    Boix Candil, Álvaro (Universitat Politècnica de Catalunya, 2018-07-30)
    Treball Final de Grau
    Accés obert
    The main objective of this project is to design an aerial vehicle which can contribute in planetary research in a more optima l way than the current missions. It has been decided that an aerobot, which consists in a balloon ...
  • Design of a quaternion based ADCS for a small space telescope 

    Martín Millán, Nil (Universitat Politècnica de Catalunya, 2018-07-30)
    Treball Final de Grau
    Accés obert
    This project focuses on the study previous to the development of an Attitude Determination and Control System (ADCS) of a small space telescope, the Humble Space Telescope (hST). The ADCS is essential for the telescope ...
  • Determination of drag coefficients in a free molecular flow 

    Minguell Montes, Bernat (Universitat Politècnica de Catalunya, 2018-07-20)
    Treball Final de Grau
    Accés obert
    This project aims to study the drag coefficient (CD) for satellites in a free molecular flow. The study is mainly based on Schaaf & Chambre and Schamberg models. These are old models (from 1958), but still are the most ...
  • Diseño de una estación de tierra basada en software para comunicación con satélites 

    Garriz Ciaurriz, Aitziber (Universitat Politècnica de Catalunya, 2015-07-23)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    L'objectiu del present treball és dissenyar una estació de terra basada en software per la comunicació amb nano i picosatèl·lits. El ràpid desenvolupament de la SDR l'ha convertit en una alternativa viable en moltes ...
  • Disseny del sistema d'ignició d'un motor de combustible sòlid 

    Lopez Martin, Carlos (Universitat Politècnica de Catalunya, 2013-09-13)
    Treball Final de Grau
    Accés obert
    The study that has been developed in the following academic work deal with the design of an engine of solid propellant ignition system to collaborate with a project named WikiSat. Its main objective is to place a ...
  • Disseny d'una estació de terra per un nano/picosatèl·lit 

    Rodriguez Gaspar, Jorge (Universitat Politècnica de Catalunya, 2010-05-28)
    Treball Final de Grau
    Accés obert
  • Disseny d'un hopper per exploració lunar 

    Soler Ferret, Marcel (Universitat Politècnica de Catalunya, 2012-07-03)
    Treball Final de Grau
    Accés obert
    The Moon despite of being so close, speaking in terms of typical space scales, is a rather unexplored place, and it may still hide a lot of surprises. It can be very useful if we use it as a launch base because her gravity ...
  • Disseny d'un motor de gas fred per a aplicacions en petits satèl·lits 

    Llorens Aymerich, Isaac (Universitat Politècnica de Catalunya, 2013-02-22)
    Treball Final de Grau
    Accés obert
    Since the appearance of CubeSat standard in 1999 picosatellites have evolved a lot. Collage investigations are the main reason of that development. This works gives an answer to the propulsion problems of CubeSat satellites. ...
  • Disseny d’un perfil alar òptim per a l’atmosfera marciana 

    Guilanyà Jané, Robert (Universitat Politècnica de Catalunya, 2006-07)
    Projecte/Treball Final de Carrera
    Accés obert