Browsing by Subject "Vehicles espacials"

Now showing items 1-20 of 51

    • A comparison study on meta-heuristics for ground station scheduling problem 

      Xhafa Xhafa, Fatos; Herrero, Xavier; Barolli, Admir; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Open Access
      In ground station scheduling problem the aim is to compute an optimal planning of communications between Spacecrafts (SCs) and operations teams of Ground Stations (GSs). While such allocation of tasks to ground stations ...

    • A picture of solar-sail heteroclinic enhanced connections between Lissajous libration point orbits 

      Duan, Xun; Gerard, Gomez; Masdemont Soler, Josep; Yue, Xiaokui (2020-03-09)
      Article
      Open Access
      The dynamics of solar-sail maneuvers are conceptually different from classical control maneuvers where one considers impulsive changes in the velocity of a spacecraft. Solar-sail orbits are continuous in both position and ...

    • An adaptive remeshing procedure for proximity maneuvering spacecraft formations 

      García Taberner, Laura; Masdemont Soler, Josep (2012)
      Article
      Open Access
      We consider a methodology to optimally obtain reconfigurations of spacecraft formations. It is based on the discretization of the time interval in subintervals (called the mesh) and the obtainment of local solutions on ...

    • An investigation into cold weld adhesion for spacecraft repair after a space debris impact using space education based sub-orbital sounding rocket platform 

      Wylie, Mark; Barilaro, Leonardo (Universitat Politècnica de Catalunya, 2022-04-29)
      Conference lecture
      Open Access
      It has been observed that similar metallic materials, when in contact and undergoing relative displacements, can fuse or weld. In standard atmospheric conditions it is not common but in the space environment the inability ...

    • An on-board algorithm implementation on an embedded GPU: A space case study 

      Rodríguez Ferrandez, Iván; Kosmidis, Leonidas; Notebaert, Olivier; Cazorla Almeida, Francisco Javier; Steenari, David (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Open Access
      On-board processing requirements of future space missions are constantly increasing, calling for new hardware than the traditional ones used in space. Embedded GPUs are an attractive candidate offering both high performance ...

    • An overview of optimization and resolution methods in satellite scheduling and spacecraft operation: description, modeling, and application 

      Ip, Andrew; Xhafa Xhafa, Fatos; Dong, Jingyi; Gao, Ming (Elsevier, 2022-03-29)
      Part of book or chapter of book
      Restricted access - publisher's policy
      With the popularization of satellite technology and the normal development of satellite use, the number of mission planning and operation of satellites has increased significantly, including large and intelligent satellites, ...

    • Aprendizaje de sistemas no tripulados basado en la construcción de un rover autónomo 

      Ruzafa Saceda, Albert (Universitat Politècnica de Catalunya, 2021-07-27)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Assessment of a machine-vision-assisted test bed for spacecraft magnetic cleanliness analysis 

      Sans Monguiló, Alejandro; Adiwiluhung Riwanto, Bagus; Praks, Jaan (Universitat Politècnica de Catalunya, 2022-04-29)
      Conference lecture
      Open Access
      Small satellites are becoming increasingly popular in several applications, in which attitude systems might require high precision performance. These spacecrafts are susceptible to magnetic disturbances in orbit, such as ...

    • CO2-cushion vehicle for Mars. An alternative locomotion for exploration rovers 

      Arias Montenegro, Francisco Javier (American Institute of Aeronautics and Astronautics (AIAA), 2018)
      Conference report
      Restricted access - publisher's policy
      In this work, consideration is given to ad hoc cushion vehicles for Mars. On Earth, air cushion vehicles use pressurized atmospheric air by means of powerful blowers that pump the air into a chamber, however, for Mars -at ...

    • Cohetes y nostalgia 

      Barceló Garcia, Miquel (2015-07)
      Article
      Open Access

    • Collaborative Space Design project: A student’s experience 

      Bianchi, Francesco; Ciggaar, Rooderick; Formisani, Ludovica; Harrison, Benjamin; Tamai, Carla; Tunjov, Vassili (Universitat Politècnica de Catalunya, 2022-04-29)
      Conference lecture
      Open Access
      The student members of the Collaborative Space (systems) Design (CSD) project discuss its implementation and highlight its concepts. The CSD project is an elective course at the MSc Space Flight programme at the Delft ...

    • Confinement of spacecraft swarms in J2-perturbed orbits about the earth 

      García-Taberner, Laura; Masdemont Soler, Josep (2014)
      Conference report
      Open Access
      There have been studies of the reliability of a swarm [3], based on nano-satellites, that give a study for the num- ber of satellites that can be working as a period of time, with good results for a 5-10 anys time ...

    • Containment methods for atmospheric re-entry of satellites 

      Eggen, Njord (Universitat Politècnica de Catalunya, 2019-06-27)
      Master thesis
      Restricted access - author's decision
      To palliate the hazards posed by satellites re-entering the atmosphere, international guidelines have defined a maximum acceptable risk for objects to re-enter uncontrolled. Containment methods attempt to reduce this ...

    • Control remoto 

      Barceló Garcia, Miquel (2015-01)
      Article
      Open Access

    • De-RISC: the First RISC-V space-grade platform for safety-critical systems 

      Wessman, Nils-Johan; Malatesta, Fabio; Andersson, Jan; Gómez Molinero, Paco; Masmano Tello, Miguel; Nicolau Gallego, Vicente; Le Rhun, Jimmy; Cabo Pitarch, Guillem; Bas Jalón, Francisco; Lorenzo Ortega, Rubén; Sala Sucarrats, Oriol; Trilla Rodríguez, David; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      The increasing needs for performance in the space domain for highly autonomous systems calls for more powerful space MPSoCs and appropriate hypervisors to master them. These platforms must adhere to strict reliability, ...

    • Design challenges, and outcomes of building a satellite the size of a soda can 

      Perez, Rovin; Abadzhieva, Slaveya (Universitat Politècnica de Catalunya, 2022-04-29)
      Conference lecture
      Open Access
      A Mach contest is part of an annual event, organized by UKLSL, which combines both CanSat and rocket competitions. The first Mach event in 2021 was focused on the design of “Simple and Advance CanSats”, and culminated on ...

    • Design of a space elevator as an alternative transport to space 

      Binti Nor Rahman, Huda Hazwani (Universitat Politècnica de Catalunya, 2021-07-13)
      Bachelor thesis
      Open Access
      La idea del ascensor espacial ha existido durante más de un siglo cuando Konstantin Tsiolkovsky inventó el concepto por primera vez en 1895. Sin embargo, el concepto solo se encuentra en el ámbito de la ciencia ficción, ...

    • Designing space elevator as a low-cost transportation to space 

      Bin Ahmad Takhiuddin, Ahmad Hatim (Universitat Politècnica de Catalunya, 2020-07-13)
      Bachelor thesis
      Open Access
      La exploración espacial ayuda a abordar preguntas fundamentales sobre nuestro lugar en el universo y la historia de nuestro sistema solar. Sin embargo, llegar al espacio es muy costoso, ya que se necesitan alrededor de 500 ...

    • Disseny d'un vehicle lunar per facilitar el transport d'astronautes 

      Puigjaner Muñoz, Joaquim (Universitat Politècnica de Catalunya, 2020-07-14)
      Bachelor thesis
      Open Access
      L’any 1951 Arthur C. Clarke escriptor mes conegut com l’autor de la novel·la “2001 una odissea en el espai” pública l’obra “Les arenes de Mart” el qual narra la historia d’un escriptor que viatja en la primera nau que fa ...

    • El Ascensor espacial 

      Edwards, Bradley C. (Edicions UPC, 2010)
      Book
      Restricted access to UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC users
      Cincuenta años después de que el Sputnik sobrevolara la Tierra a menos de 1.000 km de altitud, circunstancia que despertó dosis similares de recelo y admiración, la exploración espacial sigue sustentándose en cohetes que ...