Now showing items 1-15 of 15

  • A finite volume method to solve the frost growth using dynamic meshes 

    Bartrons Casademont, Eduard; Oliet Casasayas, Carles; Gutiérrez Álvarez, Enrique; Naseri, Alireza; Pérez Segarra, Carlos David (2018-09-01)
    Article
    Restricted access - publisher's policy
    The physical mechanisms of frost formation have been widely studied, yet much empirism is still needed in numerical approaches. Indeed, accurate simulations of frost growth can be reached by setting up a specific combination ...
  • Design and optimization of a polar satellite mission to complement the Copernicus System 

    Alarcón Cot, Eduardo José; Alvaro Sanchez, A.; Araguz López, Carles; Barrot, G.; Bou Balust, Elisenda; Camps Carmona, Adriano José; Cornara, Stefania; Gutiérrez Peña, Pedro Antonio; Lancheros Sepulveda, Estefany Maria; Lesne, O.; Llaveria Godoy, David; Lluch, I.; Males, Jan; Mangin, A.; Matevosyan, H.; Monge, A.; Narkiewicz, J.; Ourevitch, S.; Pierotti, S.; Pica, U.; Poghosyan, A.; Ruiz de Azúa Ortega, Joan Adrià (Institute of Electrical and Electronics Engineers (IEEE), 2018-06-05)
    Article
    Open Access
    The space industry is currently witnessing two concurrent trends: the increased modularity and miniaturization of technologies and the deployment of constellations of distributed satellite systems. As a consequence of the ...
  • Detection of icing and actuator faults in the longitudinal dynamics of small UAVs using an LPV proportional integral unknown input observer 

    Rotondo, Damiano; Cristofaro, Andrea; Johansen, Tor Arne; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2016)
    Conference report
    Open Access
    This paper proposes a linear parameter varying proportional integral unknown input observer (PI-UIO) for the diagnosis of actuator faults and icing in unmanned aerial vehicles. It is shown that in presence of sensor noise, ...
  • Detection of icing and actuators faults in the longitudinal dynamics of small UAVs using an LPV proportional integral unknown input observer 

    Rotondo, Damiano; Cristofaros, A; Johansen, T; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (IEEE Press, 2016)
    Conference report
    Open Access
    This paper proposes a linear parameter varying proportional integral unknown input observer (PI-UIO) for the diagnosis of actuator faults and icing in unmanned aerial vehicles. It is shown that in presence of sensor noise, ...
  • Diagnosis of icing and actuator faults in UAVs using LPV unknown input observers 

    Rotondo, Damiano; Cristofaro, Andrea; Johansen, Tor Arne; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2017-10-05)
    Article
    Open Access
    This paper proposes a discrete-time linear parameter varying (LPV) unknown input observer (UIO) for the diagnosis of actuator faults and ice accretion in unmanned aerial vehicles (UAVs). The proposed approach, which is ...
  • Frost formation: optimizing solutions under a finite volume approach 

    Bartrons Casademont, Eduard; Pérez Segarra, Carlos David; Oliet Casasayas, Carles (Institute of Physics (IOP), 2016)
    Conference report
    Open Access
    A three-dimensional transient formulation of the frost formation process is developed by means of a finite volume approach. Emphasis is put on the frost surface boundary condition as well as the wide range of empirical ...
  • Gaps analysis and requirements specification for the evolution of Copernicus system for polar regions monitoring: addressing the challenges in the horizon 2020-2030 

    Lancheros, Estefany; Camps Carmona, Adriano José; Hyuk, Park; Sicard, P.; Mangin, A.; Matevosyan, H.; Lluch, I. (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-01)
    Article
    Open Access
    This work was developed as part of the European H2020 ONION (Operational Network of Individual Observation Nodes) project, aiming at identifying the technological opportunity areas to complement the Copernicus space ...
  • Ice thickness effects on Aquarius brightness temperatures over Antarctica 

    Pablos Hernández, Miriam; Piles Guillem, Maria; Gonzalez Gambau, Verónica; Camps Carmona, Adriano José; Vall-Llossera Ferran, Mercedes Magdalena (2015-04-01)
    Article
    Open Access
    The Dome-C region, in the East Antarctic Plateau, is regarded as an ideal natural laboratory for calibration/validation of space-borne microwave radiometers. At L-band, the thermal stability of this region has been confirmed ...
  • Inter-comparison of SMOS and aquarius brightness temperatures at L-band over selected targets 

    Pablos Hernández, Miriam; Piles Guillem, Maria; González Gambau, Veronica; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference lecture
    Restricted access - publisher's policy
    The spectral window at L-band (1.400 - 1.427 GHz) is reserved for passive microwave remote sensing. This band is well-suited to retrieve soil moisture and ocean salinity due to emissivity of soil and seawater decreases ...
  • Millimeter-wave aperture synthesis radiometry for snow and ice mapping 

    Harvey, A.R.; Greenaway, A.H.; Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Bará Temes, Francisco Javier; Martín Neira, Manuel (1999)
    Conference report
    Open Access
    An outline design for a dual-band mm-wave polarimetric SAIR has been presented and is considered to be tractable. The envisaged application is for snow and ice mapping and ocean wind vector measurement. The vastly increased ...
  • Modélisation d'une grille d'injection de givre 

    Alvarez Vinuesa, David (Universitat Politècnica de Catalunya / Institut Supérieur de l’Aéronautique et de l’Espace, 2009)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    El proyecto consta de: -Una introducción al mundo del hielo en los helicopterios. -Una valoración de las necesidades para el objetivo de realizar unos ensayos en vuelo simulando condiciones propicias para la formación de ...
  • Multiobjective optimization of a Parallel Plug-in Hybrid Electric Vehicle considering the fuel consumption, acceleration and elasticity on the vehicle performance 

    Torres, Oriol; Bader, Benjamin; Romeral Martínez, José Luis; Lux, G.; Ortega Redondo, Juan Antonio (2013)
    Conference lecture
    Restricted access - publisher's policy
    The objective of this paper is to give recommendations for the component sizing of a Parallel Plug-in Hybrid Electric Vehicle (PHEV) studying the influence of the Electric Motor (EM) size, Final Drive ratio (FD), the Battery ...
  • Sea ice detection using GNSS-R data from UK TDS-1 

    Alonso Arroyo, Alberto; Zavorotny, Valery U.; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    This work demonstrates a methodology to detect sea ice presence over the Arctic and Antarctic regions using Global Navigation Satellite Systems (GNSS)-Reflectometry (GNSS-R) data obtained with the UK TDS-1 satellite. The ...
  • Selection of the key earth observation sensors and platforms focusing on applications for Polar Regions in the scope of Copernicus system 2020-2030 

    Lancheros Sepulveda, Estefany Maria; Camps Carmona, Adriano José; Hyuk, Park; Rodríguez, Pedro; Tonetti, Stefania; Cote, Judith; Pierotti, Stéphane (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
    Article
    Open Access
    An optimal payload selection conducted in the frame of the H2020 ONION project (id 687490) is presented based on the ability to cover the observation needs of the Copernicus system in the time period 2020–2030. Payload ...
  • Towards real-time CFD simulation of in-flight icing 

    Habashi, Wagdi G. (Barcelona Supercomputing Center, 2016-09-10)
    Conference report
    Open Access
    Despite the concerted efforts of manufacturers and certification agencies, incidents and accidents continue to happen to aircraft certificated to “Fly Into Known Icing”, falsely thought of as being “immune to in-flight ...