Browsing by Subject "Artificial satellites"

Now showing items 1-20 of 103

  • 3Cat-1 project: a multi-payload CubeSat for scientific experiments and technology demonstrators 

    Jové Casulleras, Roger; Araguz López, Carles; Via Ortega, Pol; Solanellas Bofarull, Arnau; Amézaga Sarries, Adrià; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Marí Barceló, Marc; Olivé Muñiz, Roger; Sáez Hernández, Alberto; Jané Abad, Jaume; Bou Balust, Elisenda; Iannazzo Soteras, Mario Enrique; Gorreta Mariné, Sergio; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Domínguez Pumar, Manuel; Alarcón Cot, Eduardo José; Ramos Castro, Juan José; Camps Carmona, Adriano José (2017)
    Article
    Open Access
    This article introduces 3 Cat-1, the first project of the Technical University of Catalonia to build and launch a nano-satellite. Its main scope is to develop, construct, assemble, test and launch into a low Earth orbit a ...

  • 3CAT-3/MOTS, an experimental nanosatellite for multispectra and GNSS-R Earth Observation: Mission concept and analysis 

    Castellví Esturi, Jordi; Camps Carmona, Adriano José; Corbera Fauria, Jordi; Alamús, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    The 3 Cat-3/MOTS mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica de Catalunya-BarcelonaTech (UPC) to foster new and innovative technologies on ...

  • 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 generic level 1 simulator for spaceborne GNSS-R missions and application to GEROS-ISS ocean reflectometry 

    Hyuk, Park; Camps Carmona, Adriano José; Pascual Biosca, Daniel; Kang, Yujin; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Alonso Arroyo, Alberto (2017-07-18)
    Article
    Open Access
    In the past decade Global Navigation Satellites System Reflectometry (GNSS-R) has emerged as a new technique for earth remote sensing for various applications, such as ocean altimetry and sea state monitoring. After the ...

  • ALTAIR: Design of a new European spaceport 

    Miralles Roure, Pablo (Universitat Politècnica de Catalunya, 2017-01-12)
    Bachelor thesis
    Restricted access - confidentiality agreement

  • 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 ...

  • Analysis and design of an interferometer for geostationary synthetic aperture radars orbit determination 

    Grimaldo Sánchez, Germán Angel (Universitat Politècnica de Catalunya, 2015-07)
    Master thesis (pre-Bologna period)
    Open Access
    The industry of remote sensing has nowadays strongly developed systems, which are versatile and adaptable, however they are not optimal for certain applications. With more than enough reason from it, a new technology of ...

  • Applying autonomy to distributed satellite systems: Trends, challenges, and future prospects 

    Araguz López, Carles; Bou Balust, Elisenda; Alarcón Cot, Eduardo José (2018-03-26)
    Article
    Open Access
    While monolithic satellite missions still pose significant advantages in terms of accuracy and operations, novel distributed architectures are promising improved flexibility, responsiveness, and adaptability to structural ...

  • 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 ...

  • A Tabu Search algorithm for ground station scheduling problem 

    Xhafa Xhafa, Fatos; Herrero Garcia, Xavier; Barolli, Admir; Takizawa, Makoto (2014)
    Conference report
    Open Access
    Mission planning plays an important role in satellite control systems. Satellites are not autonomously operated in many cases but are controlled by tele-commands transmitted from ground stations. Therefore, mission scheduling ...

  • Bounded gain-scheduled LQR satellite control using a tilted wheel 

    Martin Estraña, Veronica (Universitat Politècnica de Catalunya, 2017-05-05)
    Bachelor thesis
    Open Access
    Covenantee:  École polytechnique de Montréal
    From the beginning of the satellite usage, the momentum created by its movements has been a concern that has to be taken into account for every space mission. Depending on the dimensions, ...

  • 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 ...

  • ³Cat-3 3-axes ADCS using reaction wheels and magnetorquers 

    Mollà Garcia, Armand (Universitat Politècnica de Catalunya, 2016-06-27)
    Bachelor thesis
    Open Access
    Este TFG está basado en la experiencia ganada en la determinación de actitud y sistemas de control del 3Cat-2. Sistemas basados en los magnetorquers y TFGs previos del control de un eje y un sistema de 3 ejes de reaction ...

  • Co-channel interference cancellation at the user terminal in multibeam satellite systems 

    Cocco, Giuseppe; Angelone, Martina; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    We study the applicability of soft interference cancellation in the forward link of commercial multibeam satellite systems with focus on mobile terminals. We adopt a standard currently used in commercial satellite systems ...

  • Communication link design at 437.5 MHz for a nanosatellite 

    Cantero Gómez, Jorge (Universitat Politècnica de Catalunya / Aalto-yliopisto, 2013-09-02)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Aalto-yliopisto. Sähkötekniikan korkeakoulu
    [ANGLÈS] The goal of this work was to design communication solution for the nanosatellite Aalto-2 which is an educational oriented CubeSat project started in 2012 by Aalto University, Finland. The main objective of the ...

  • Comparativa de sensores espaciales de diferente resolución espectral en la exploración minera 

    Lora López, Jose Carlos (Universitat Politècnica de Catalunya, 2016-07)
    Master thesis
    Open Access
    El reconocimiento de minerales en la superficie terrestre se lleva a cabo desde hace años con imágenes captadas desde satélites artificiales (LANDSAT, SPOT, EO-1, TERRA, etc.). La resolución espectral de los sensores a ...

  • Control en modo deslizante aplicado a sistemas de acondicionamiento de potencia de satélites 

    Calvente Calvo, Francisco Javier (Universitat Politècnica de Catalunya, 2001-12-14)
    Doctoral thesis
    Open Access
    El sistema de acondicionamiento de potencia es clave para el funcionamiento correcto del resto de sistemas eléctricos de un satélite. Los reguladores conmutados continua - continua son las piezas que enlazan los paneles ...

  • CubeCat-1: implementation, testing and integration of the communication subsystem 

    Flores Pozo, Kattia Giovana (Universitat Politècnica de Catalunya, 2012-07-26)
    Master thesis
    Open Access
    ABSTRACT CubeCat-1 is an educational oriented Cubesat - a standard, small form factor satellite project started in 2008 in the UPC in Barcelona, under the supervision of professors Adriano Camps and Juan Ramos, with many ...

  • Cubesat science mission proposal and communications subsystem demonstrator 

    Cano Marí, Roger (Universitat Politècnica de Catalunya, 2018-09-14)
    Master thesis
    Open Access
    Covenantee:  European Space Astronomy Centre
    This Master Thesis is performed under the 2017 ESAC Trainee Project program which covers the development of a low-budget VHF-UHF automated ground station intended for CubeSat satellite operation. While this type of ground ...