Now showing items 21-40 of 135

  • APACHE - Report on the availability of the APACHE framework 

    Prats Menéndez, Xavier; Dalmau Codina, Ramon; Barrado Muxí, Cristina; Xu, Yan; Netjasov, Fedja; Pavlovic, Goran; Vidosavljevic, Andrija (2018-07-25)
    External research report
    Open Access
    The APACHE project proposes a new framework to assess European ATM (air traffic management) performance based on simulation, optimization and performance assessment tools that will be able to capture the complex interdependencies ...
  • APACHE - Results from simulations and analysis of results 

    Agüi, Ignacio; Prats Menéndez, Xavier; Dalmau Codina, Ramon; Netjasov, Fedja; Pavlovic, Goran; Vidosavljevic, Andrija (2018-07-25)
    External research report
    Open Access
    This document presents the results from validation exercises of the APACHE Project. Its purpose is to identify, describe and assess the results generated by the different assessments and simulations carried out towards the ...
  • APACHE - Review of current KPIs and proposal for new ones 

    Prats Menéndez, Xavier; Netjasov, Fedja; Mirkovic, Bojana; Pavlovic, Goran; Babic, Obrad; Barrado Muxí, Cristina; Ansaldo, Georgina; Costa, Maria Inês; Vidosavljevic, Andrija (2017-10-23)
    External research report
    Open Access
    Covenantee:  EETAC: Escola d'Enginyeria de Telecomunicació i Aerospacial de Castelldefels
    The main objective of this report is to review the current KPIs and PIs used by the SESAR, Performance Review Body (PRB) and other relevant institutions and to propose new PIs which could be measured using the new framework ...
  • APACHE - Scope and definition of the concept of operations for the project 

    Ansaldo, Georgina; Coca Casanueva, Vladimir; Costa, Maria Inês; Ruiz Navarro, Sergio; Prats Menéndez, Xavier; Babic, Obrad; Netjasov, Fedja; Mirkovic, Bojana; Krstic-Simic, Tatjana; Vidosavljevic, Andrija; Delahaye, Daniel (2017-02-06)
    External research report
    Open Access
    The APACHE project proposes a new approach to assess European ATM performance based on simulation, optimization and performance assessment tools that will be able to capture the complex interdependencies between KPAs at ...
  • Arrival traffic synchronisation with Required Time of Arrivals for fuel-efficient trajectories 

    Pawelek, Adrian; Dalmau Codina, Ramon; Lichota, Piotr; Prats Menéndez, Xavier (2017)
    Conference report
    Restricted access - publisher's policy
    Continuous descent operations (CDOs) with required times of arrival (RTAs) have been identified as a potential solution to reduce fuel consumption and noise nuisance in the ma- neuvering area and without compromising ...
  • Assessing ATM performance with simulation and optimisation tools: The APACHE project 

    Prats Menéndez, Xavier; Barrado Muxí, Cristina; Vidosavljevic, Andrija; Delahaye, Daniel; Netjasov, Fedja; Crnogorac, Dusan (2017)
    Conference report
    Open Access
    This paper describes the objectives and methodology of the APACHE project, a SESAR Exploratory Research project proposing a new framework to assess European air traffic management (ATM) performance. This framework ...
  • Assessing the impact of relaxing cruise operations with a reduction of the minimum rate of climb and/or step climb heights 

    Dalmau Codina, Ramon; Prats Menéndez, Xavier (2017-11-01)
    Article
    Restricted access - publisher's policy
    A compromise solution to increase flight efficiency in cruise, but without penalising capacity (or even safety), would be perhaps to remove (or relax) the minimum rate of climb (ROC) constraint and/or to reduce the height ...
  • Assessment of St. Patrick's Day 2015 Geomagnetic storm impact on EGNOS 

    Hernández Pajares, Manuel; Béniguel, Yannick; Orús Pérez, Raul; Prieto Cerdeira, Roberto; García Rigo, Alberto; Kinrade, J; Kauristie, Kirsti; Schlueter, Stefan; Serant, Damien; Krankowski, Andrzej; Secretan, Hugues; Sampedro Casis, Rodrigo; Prats Menéndez, Xavier (European Space Agency (ESA), 2015)
    Conference lecture
    Restricted access - publisher's policy
    The Monitor project has been designed to monitor ionospheric events that would allow evaluating its impact on European GNSS Systems. It includes a network of ionospheric scintillation monitoring stations in various ...
  • Assessment of the feasible CTA windows for efficient spacing with energy-neutral CDO 

    Dalmau Codina, Ramon; Prats Menéndez, Xavier (2016)
    Conference report
    Open Access
    Continuous descent operations (CDO) with con- trolled times of arrival (CTA) at one or several metering fixes could enable environmentally friendly procedures at the same time that terminal ...
  • A taxonomy of UAS separation maneuvers and their automated execution 

    Pérez Batlle, Marcos; Pastor Llorens, Enric; Royo Chic, Pablo; Prats Menéndez, Xavier; Barrado Muxí, Cristina (2012)
    Conference report
    Open Access
    This paper proposes to create a taxonomy of separation conflicts between Unmanned Aerial Systems (UAS) and intruding aircrafts to facilitate its insertion in non-segregated airspace. The classification is created according ...
  • ATFM airborne delays without extra fuel consumption in wind conditions 

    Delgado Muñoz, Luis; Prats Menéndez, Xavier (2012)
    Conference report
    Restricted access - publisher's policy
    Air Traffic Flow Management (ATFM) regulations, such as ground holdings, are often canceled before their initially planned ending time. The ground delays impact on the cost of recovering part of the delay if the regulation ...
  • Avions no tripulats? 

    Prats Menéndez, Xavier (2008-02)
    Audiovisual
    Open Access
    Avions capaços de volar sense pilot a bord? A la Politècnica estem dissenyant aquest tipus d’aeronaus per col·laborar en tasques de vigilància i control d’incendis forestals.
  • Basic Research Utilities for SBAS (BRUS) 

    Prats Menéndez, Xavier; Orús Pérez, Raül; Sanz Subirana, Jaume; Farnworth, Richard; Soley, Santiago (2003-02)
    Conference report
    Open Access
    The software package BRUS (Basic Research utilities for SBAS) to process WAAS and EGNOS data is being developed by gAGE/UPC. Some of the main characteristics of BRUS are its architecture design and functionalities that ...
  • C3 in UAS as a means for secondary navigation 

    Ramírez Alcántara, Jorge; Salazar Hernández, Dagoberto José; Prats Menéndez, Xavier; Barrado Muxí, Cristina (2013-01)
    Article
    Open Access
    Unmanned Air Systems (UAS) navigate using Global Navigation Satellite Systems (GNSS), but GNSS vulnerability precludes its use as the only means of navigation and requires a secondary means of navigation. A differentiating ...
  • Climb, cruise, and descent speed reduction for airborne delay without extra fuel 

    Xu, Yan; Dalmau Codina, Ramon; Prats Menéndez, Xavier (2018-05-01)
    Article
    Open Access
    In the majority of situations, air traffic flow management (ATFM) regulations are issued due to weather-related capacity reductions. Considering the uncertainties in weather prediction and other unforeseen factors, ATFM ...
  • CNS/ATM: La gestió del tràfic aeri del futur 

    Prats Menéndez, Xavier (2005-03)
    Article
    Open Access
  • Combining the assignment of pre-defined routes and RTAs to sequence and merge arrival traffic 

    Dalmau Codina, Ramon; Alenka, Justinas; Prats Menéndez, Xavier (2017)
    Conference report
    Restricted access - publisher's policy
    Continuous descent operations (CDO) with required times of arrival (RTAs) have been identi ed as a potential solution to reduce the environmental impact without compromising capacity. However, in high traffic scenarios ...
  • Conflict free trajectory optimisation for complex departure procedures 

    Vilardaga García-Cascón, Santi; Prats Menéndez, Xavier (2014)
    Conference report
    Open Access
  • Conflict Free Trajectory Optimisation with Target Tracking and Conformance Monitoring 

    Vilardaga García-Gascon, Santi; Prats Menéndez, Xavier; Duan, Pengfei; Uijt de Haag, Maarten (2014)
    Conference report
    Restricted access - publisher's policy
    In an effort to improve the effciency of air traffic operations, whilst reducing the envi- ronmental impact on aviation and increase capacity, 4D trajectory optimisation has shown good potential. In previous research the ...
  • Conflict-free trajectory optimization with target tracking and conformance monitoring 

    Vilardaga García-Cascón, Santi; Prats Menéndez, Xavier; Duan, Pengfei; Uijt de Haag, Maarten (2018-05-01)
    Article
    Open Access
    This paper proposes an optimization framework that computes conflict-free optimal trajectories in dense terminal airspace, while continuously monitoring trajectory conformance in an effort to improve predictability. The ...