Now showing items 1-20 of 44

    • 3 cat-4 attitude control system 

      Martínez Zúñiga, Julio (Universitat Politècnica de Catalunya, 2018-07-09)
      Master thesis
      Restricted access - author's decision
      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 ...
    • A swarm of femtosatellites for lower thermospheric density determination. 

      Lledó Ardila, Carlos (Universitat Politècnica de Catalunya, 2015-07-30)
      Master thesis
      Open Access
      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 ...
    • A system to determine the inertia tensor of small satellites 

      Gabarró Olsina, Marc (Universitat Politècnica de Catalunya, 2019-07-24)
      Bachelor thesis
      Open Access
      Context: Attitude control of a satellite relies upon a precise determination of its inertia tensor. However, the determination of the inertia tensor of a complex system, as is the case of satellites, completely escapes ...
    • Aerodynamics measurements in a wind tunnel 

      Fernandez Lopez, Naiara; Morales Pastor, Jesus (Universitat Politècnica de Catalunya, 2019)
      Coursework
      Open Access
    • 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)
      Bachelor thesis
      Restricted access - author's decision
      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 ...
    • Analysis and selection of a MEMS, multi-constellation GNSS receiver for a femtosatellite 

      Guerra Mentruit, Alejandro (Universitat Politècnica de Catalunya, 2020-02-14)
      Bachelor thesis
      Open Access
      Context: The expansion of space applications and their liberalization is an actual fact since the last decade. Small satellites are developed either by academic institutions and private companies. The concept of femtosatelites, ...
    • Anàlisi de viabilitat d'un satèl·lit en òrbita LEO 

      Benzal Santamaria, Luis Alberto; Velasco Carcaboso, Vanessa (Universitat Politècnica de Catalunya, 2010-01-20)
      Bachelor thesis
      Open Access
      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 ...
    • Automation of the determination of Inertia Tensors of CubeSats using torsion pendulum period measurements 

      Gutierrez Ibarra, Jon (Universitat Politècnica de Catalunya, 2020-09-07)
      Bachelor thesis
      Open Access
      Contexto: Los CubeSats constituyen el estándar de satélites pequeños más extendido, prácticamente desde que fueron presentados a finales de la década de 1990. Los CubeSats revolucionaron la industria espacial. Gracias a ...
    • Bus d'un microstaèl·lit en òrbita de la Terra 

      Borràs i Garallo, Jordi (Universitat Politècnica de Catalunya, 2006-12-20)
      Master thesis (pre-Bologna period)
      Open Access
      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 ...
    • Campaign of aerodynamic measurements in a wind tunnel 

      Domingo, C.; Fortuny, J.; Orriols, G.; Gallegos, J.M. (Universitat Politècnica de Catalunya, 2017)
      Coursework
      Open Access
    • Caracteritzation of noise in MEMS accelerometres for femtosats 

      Liebana Moradillo, Oscar (Universitat Politècnica de Catalunya, 2018-07-27)
      Bachelor thesis
      Open Access
      Covenantee:   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)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Covenantee:   ATR Aircraft
    • Characterization and Improvement of Thrust Balance Measurement Technique for SX3 Applied-Field Magnetoplasmadynamic Thruster 

      Mankar, Akash (Universitat Politècnica de Catalunya, 2019-06-04)
      Master thesis
      Open Access
      Covenantee:   Universität Stuttgart. Institut für Raumfahrtsysteme
      Steady state applied-field magnetoplasmadynamic thruster promises good compromise between thrust density and specific impulse, making them relevant for interplanetary missions requiring high thrusts. The IRS 100 kW gas-fed ...
    • Design and construction of a picosatellite’s primary structure by using 3D printing technologies 

      Nicolás Álvarez, Jorge (Universitat Politècnica de Catalunya, 2016-07-28)
      Bachelor thesis
      Open Access
      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)
      Master thesis
      Open Access
      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)
      Bachelor thesis
      Open Access
      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 of a planetary aerobot 

      Boix Candil, Álvaro (Universitat Politècnica de Catalunya, 2018-07-30)
      Bachelor thesis
      Open Access
      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)
      Bachelor thesis
      Open Access
      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 ...
    • Design, deployment mechanism, and thermal control of a very small solar sail 

      Pie Rubio, Carles (Universitat Politècnica de Catalunya, 2017-10-31)
      Bachelor thesis
      Open Access
      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 ...
    • Determination of drag coefficients in a free molecular flow 

      Minguell Montes, Bernat (Universitat Politècnica de Catalunya, 2018-07-20)
      Bachelor thesis
      Open Access
      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 ...