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Ara es mostren els items 175-194 de 202

    • SafeNcy - D1.1: Technical Resources and Problem Definition 

      Mercan, Gladys; Godel, Claude; Gonzalez, Patrice; Viry, Benoît; Prats Menéndez, Xavier; Rebaï, Kamel; Barret, Claude (2020-02-18)
      Report de recerca
      Accés obert
      This document describes the targeted SafeNcy system with the description of the operational environment and information to take into account (terrain, weather, ATC...) for the generation of the safest trajectory in case ...

    • SafeNcy - D1.2: Technical Requirements Document 

      Gonzalez, Patrice; Viry, Benoît; Prats Menéndez, Xavier; Sáez García, Raúl; Rebaï, Kamel; Delahaye, Daniel (2020-04-28)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This document provides a description of all the technical resources identified in the WP1. It will specify the technical requirements in terms of problem environment high level modelling, constraints to address, and expected ...

    • SafeNcy - D2.1: Trade-off report on landing site selection and trajectory generation techniques 

      Gonzalez, Patrice; Viry, Benoît; Prats Menéndez, Xavier; Sáez García, Raúl; Seenivasan, Dinesh Babu; Rebaï, Kamel; Delahaye, Daniel; Godel, Claude (2020-10-23)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This document provides the definitions of the models and algorithms used by the solutions developed in the context of the project. The document also describes the types and sources of data needed by the SafeNcy solution.

    • SafeNcy - D4.1: Trajectory Generation Solution Description 

      Sáez García, Raúl; Prats Menéndez, Xavier; Delahaye, Daniel; Guitart, Andréas (2021-02-08)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This document provides a description of the automatic trajectory generation methodology. It describes the detailed modelling of the flight trajectory and the selection and ranking of the adopted methodology.

    • SafeNcy - D4.3: Trajectory Generation Validation Plan 

      Sáez García, Raúl; Guitart, Andréas; Homdedeu i Muñiz, Júlia de; Prats Menéndez, Xavier; Delahaye, Daniel (2021-05-06)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This document provides a description of initial validation test plan for the trajectory generation system.

    • SafeNcy - D5.1: Integrated Capability Test Plan V1 

      Sáez García, Raúl; Prats Menéndez, Xavier; Homdedeu i Muñiz, Júlia de; Viry, Benoît; Gonzalez, Patrice; Charpentier, Antoine; Baillagou, Florian (2021-08-11)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This document provides a description of a formal integration and validation test plan for the SafeNcy system.

    • SBAS ionospheric performance evaluation tests 

      Prats Menéndez, Xavier; Orús Pérez, Raül; Sanz Subirana, Jaume; Farnworth, Richard; Soley, Santiago (2003-02)
      Text en actes de congrés
      Accés obert
      Satellite Based Augmentation systems (SBAS) provide to Global Navigation Satellite Systems (GNSS) users with an extra set of information, in order to enhance accuracy and integrity levels of GNSS stand alone positioning. ...

    • Sensitivity analysis of maximum circulation of wake vortex encountered by en-route aircraft 

      Rojas Gregorio, José Ignacio; Melgosa Farrés, Marc; Prats Menéndez, Xavier (Multidisciplinary Digital Publishing Institute (MDPI), 2021-07-16)
      Article
      Accés obert
      Wake vortex encounters (WVE) can pose significant hazard for en-route aircraft. We studied the sensitivity of wake vortex (WV) circulation and decay to aircraft mass, altitude, velocity, density, time of catastrophic wake ...

    • Sensitivity-based non-linear model predictive control for aircraft descent operations subject to time constraints 

      Dalmau Codina, Ramon; Prats Menéndez, Xavier; Baxley, Brian (Multidisciplinary Digital Publishing Institute (MDPI), 2021-12)
      Article
      Accés obert
      The ability to meet a controlled time of arrival while also flying a continuous descent operation will enable environmentally friendly and fuel efficient descent operations while simultaneously maintaining airport throughput. ...

    • SESAR 2020 : Joint Undertaking : Budapest2.0 : Demonstration Report 

      Corte, Luján; Füredi, Eszter; Prats Menéndez, Xavier (2016-12-15)
      Report de recerca
      Accés obert
      Realitzat a/amb:   EETAC: Escola d'Enginyeria de Telecomunicació i Aerospacial de Castelldefels
      BUDAPEST 2.0 project aimed at showing that SESAR solutions can improve operational efficiency at small and medium-sized airports. The solutions include Remote Tower Services (which aims at increasing ATCO’s situational ...

    • SIMBAD - D2.1: Specification of Case Studies 

      Fabio, Adrián; Rodríguez, Rubén; Mocholí, David; Kuljanin, Jovana; Prats Menéndez, Xavier; Melgosa Farrés, Marc (2021-11-18)
      Report de recerca
      Accés restringit per política de l'editorial
      This deliverable provides the specification of the case studies that will enable to achieve SIMBAD objectives: on one hand, the use of data-driven methods for the estimation of hidden variables and trajectory models within ...

    • SIMBAD - D6.1: Evaluation of the SIMBAD performance modelling framework and implementation guidelines 

      Pons Prats, Jordi; Kuljanin, Jovana; Prats Menéndez, Xavier; Melgosa Farrés, Marc; Torre Sangrà, David de la (2022-12-16)
      Report de recerca
      Accés obert
      This deliverable aims to describe the evaluation activities of the SIMBAD project. The document contains the results of WP6, whose objective is to demonstrate and evaluate the SIMBAD performance modelling network. This ...

    • Study of several interpolation schemes to provide ionospheric corrections for navigation 

      Orús Pérez, Raül; García Fernández, Miquel; Prats Menéndez, Xavier; Hernández Pajares, Manuel; Juan, Miguel (2003-02)
      Text en actes de congrés
      Accés obert
      Since the development of space based geodesic techniques, the increasing of the positioning accuracy has been a major goal. In this context, the effect of the ionosphere has been a key issue to be taken into account to ...

    • Synchronised Demand-Capacity Balancing in Collaborative Air Traffic Flow Management 

      Xu, Yan; Prats Menéndez, Xavier; Delahaye, Daniel (2020-05)
      Article
      Accés obert
      This paper introduces a novel approach for synchronised demand-capacity balancing within a proposed Collaborative Air Traffic Flow Management framework. The approach is aimed to realise optimising traffic flow and scheduling ...

    • Synchronization of traffic flow and sector opening for collaborative demand and capacity balancing 

      Xu, Yan; Prats Menéndez, Xavier; Delahaye, Daniel (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      —This paper proposes a method to synchronize traffic flow optimization and sector opening scheduling, with the aim of achieving flexible demand and capacity balancing (DCB). Delay assignment, trajectory options and ...

    • The ARCHADE: ubiquitous supercomputing for robotics. Part I: philosophy 

      Camargo Forero, Leonardo; Royo Chic, Pablo; Prats Menéndez, Xavier (2019-04-01)
      Article
      Accés obert
      In this work, we introduce Ubiquitous Supercomputing for robotics with the objective of opening our imagination to the development of new powerful heterogeneous multi-robot systems able to perform all kind of missions. ...

    • Time and Energy Managed Operations (TEMO): Cessna Citation II Flight Trials 

      Verhoeven, Ronald; Bussink, Frank; Prats Menéndez, Xavier; Dalmau Codina, Ramon (2016)
      Text en actes de congrés
      Accés obert
      From 9-26 October 2015 the Netherlands Aerospace Centre (NLR) in cooperation with Delft University of Technology (DUT) has executed Clean Sky flight trials with the Cessna Citation II research aircraft. The trials consisted ...

    • Time-based-fuel-efficient aircraft descents: thrust-idle descents along re-negotiated routes vs. powered descents along published routes 

      Sáez García, Raúl; Prats Menéndez, Xavier (2023-01-02)
      Article
      Accés obert
      We address the situation where required times of arrival (RTAs) are assigned outside the feasible time window that allows aircraft to fly energy-neutral continuous descent operations (CDOs). Two strategies to achieve these ...

    • Towards high performance robotic computing 

      Camargo Forero, Leonardo; Royo Chic, Pablo; Prats Menéndez, Xavier (2018-09-01)
      Article
      Accés obert
      Embedding a robot with a companion computer is becoming a common practice nowadays. Such computer is installed with an operatingsystem, often a Linux distribution. Moreover, Graphic Processing Units (GPUs) can be embedded ...

    • Traffic synchronization in terminal airspace to enable continuous descent operations in trombone sequencing and merging procedures: An implementation study for Frankfurt airport 

      Sáez García, Raúl; Prats Menéndez, Xavier; Polishchuk, Tatiana; Polishchuk, Valentin (2020-12)
      Article
      Accés obert
      This paper proposes to enhance the current tromboning paradigm with a four dimensional trajectory negotiation and synchronization process with the aim to maximise the number of neutral Continuous descent operations (CDOs, ...