Exploració per autor "Prats Menéndez, Xavier"
Ara es mostren els items 168-187 de 202
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R-WAKE - System Release 1 Document
Busto, Javier; Tarragó, Joan; Ruiz Navarro, Sergio; Prats Menéndez, Xavier; Melgosa Farrés, Marc; Dokic, Jelena; Steen, Meiko (2017-04-16)
Report de recerca
Accés restringit per decisió de l'autorThis report is the Deliverable 4.1 R-WAKE Release 1 Document, resulting from half of WP4 activities. It provides details on the early results regarding the simulation framework and validation activities, as described in ... -
Real-time aircraft continuous descent trajectory optimization with ATC time constraints using direct collocation methods.
Verhoeven, Ronald; Dalmau Codina, Ramon; Prats Menéndez, Xavier; de Gelder, Nico (2014)
Text en actes de congrés
Accés restringit per política de l'editorial1 Abstract In this paper an initial implementation of a real - time aircraft trajectory optimization algorithm is presented . The aircraft trajectory for descent and approach is computed for ... -
Real-time Identification of Guidance Modes in Aircraft Descents Using Surveillace Data
Dalmau Codina, Ramon; Pérez Batlle, Marcos; Prats Menéndez, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertTrajectory predictors require information on the flight-intent in order to estimate the future state of the aircraft. At present, however, such information is not available or it is very limited and coarse (unless predicting ... -
Real-time Identification of High-Lift Devices Deployment in Aircraft Descents (An Interacting Multiple Model Filtering Application Validated with Simulated Trajectories)
Khaledian, Homeyra; Prats Menéndez, Xavier; Vilà-Valls, Jordi (Single European Sky ATM Research (SESAR), 2020)
Text en actes de congrés
Accés obertIn this contribution, we focus on the real-time identification of the moment high-lift devices (typically flaps and slats) are deployed, based on surveillance input data. This estimation aims to enhance ground-based ... -
Red-Eye: A Helicopter-Based Architecture for Tactical Wildfire Monitoring Strategies
Pastor Llorens, Enric; Barrado Muxí, Cristina; Royo Chic, Pablo; López Rubio, Juan; Santamaria Barnadas, Eduard; Prats Menéndez, Xavier; Batlle, Josep Mª (2009)
Text en actes de congrés
Accés obertThis work introduces a flexible and reusable architecture designed to facilitate the development of remote sensing applications. Based on it, we are developing a helicopter system, called Red-Eye, devoted to the detection, ... -
Requirements, issues, and challenges for sense and avoid in Unmanned Aircraft Systems
Prats Menéndez, Xavier; Delgado Muñoz, Luis; Ramírez Alcántara, Jorge; Royo Chic, Pablo; Pastor Llorens, Enric (2012-05)
Article
Accés restringit per política de l'editorialThe sense and avoid capability is one of the greatest challenges that has to be addressed to safely integrate unmanned aircraft systems into civil and nonsegregated airspace. This paper gives a review of existing ... -
RWAKE - System Specification Document
Ruiz Navarro, Sergio; Hernández Herrera, Laura; Melgosa Farrés, Marc; Prats Menéndez, Xavier; Busto, Javier; Steen, Meiko; Ceccaroni, Marta (2016-10-06)
Report de recerca
Accés restringit per acord de confidencialitatThis report is the Deliverable 2.1 R-WAKE System Specification Document, which provides the compilation of high-levelR-Wake requirements, resulting from Task 2.1 activities. More specifically, this ... -
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 obertThis 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 confidencialitatThis 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 confidencialitatThis 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 confidencialitatThis 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 confidencialitatThis 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 confidencialitatThis 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 obertSatellite 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 obertWake 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 obertThe 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 CastelldefelsBUDAPEST 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'editorialThis 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 obertThis 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 obertSince 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 ...