Exploració per autor "Prats Menéndez, Xavier"
Ara es mostren els items 110-129 de 201
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Identification of significant impact factors on Arrival Flight Efficiency within TMA
Lemetti, Anastasia; Polishchuk, Tatiana; Polishchuk, Valentin; Sáez García, Raúl; Prats Menéndez, Xavier (2020)
Text en actes de congrés
Accés obertAn important step towards improving the flight performance within Terminal Maneuvering Area (TMA) is the identification of the factors causing inefficiencies. Without knowing which exact factors have high impact on which ... -
Identifying the sources of flight inefficiency from historical aircraft trajectories. A set of distance- and fuel-based performance indicators for post-operational analysis.
Prats Menéndez, Xavier; Dalmau Codina, Ramon; Barrado Muxí, Cristina (2019)
Text en actes de congrés
Accés obertIn this paper a set of new performance indicators (PIs) aiming to capture the environmental impact of aircraft operations is proposed. Its contribution is threefold: optimal trajectories are computed to compare them with ... -
In-Flight contingency management for unmanned aerial vehicles
Pastor Llorens, Enric; Royo Chic, Pablo; Santamaria Barnadas, Eduard; Prats Menéndez, Xavier; Barrado Muxí, Cristina (AIAA, 2009-04-30)
Comunicació de congrés
Accés restringit per política de l'editorial -
In-flight cost index optimisation upon weather forecast updates
Prats Menéndez, Xavier; Torre Sangrà, David de la; Delgado Muñoz, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2022)
Text en actes de congrés
Accés obertThis paper presents an optimisation framework to compute the altitude and speed profiles of a trajectory in the execution phase of the flight, such that the expected total cost (ETC) of the operation is minimised (i.e. ... -
Including linear holding in air traffic flow management for flexible delay handling
Xu, Yan; Prats Menéndez, Xavier (2017)
Text en actes de congrés
Accés obertThis paper introduces a strategy to include linear holding into air traffic flow management (ATFM) initiatives, together with the commonly used ground holding and airborne holding measures. In this way, ATFM performance ... -
Including linear holding in air traffic flow management for flexible delay handling
Xu, Yan; Prats Menéndez, Xavier (2017-10)
Article
Accés obertThis paper introduces a strategy to include linear holding into air traffic flow management initiatives, together with the commonly used ground holding and airborne holding measures. In this way, flow management performance ... -
Increasing UAV capabilities through autopilot and flight plan abstraction
Santamaria Barnadas, Eduard; Royo Chic, Pablo; López Rubio, Juan; Barrado Muxí, Cristina; Pastor Llorens, Enric; Prats Menéndez, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2007)
Text en actes de congrés
Accés obertThis paper presents two novel avionics subsystems that aim at overcoming two clearly identified drawbacks of current UAV technology. Firstly, on board exploitation of autopilot telemetry is a complex and autopilot dependent ... -
Influence of meteorological phenomena on worldwide aircraft accidents in the period 1967-2010
Mazón Bueso, Jordi; Rojas Gregorio, José Ignacio; Lozano, Miguel; Pino González, David; Prats Menéndez, Xavier; Miglietta, M.M. (2017-12-01)
Article
Accés obertBased on the information available in databases from relevant national and international organizations from 1967 to 2010, an Aviation Weather Accidents Database (AWAD) was built. According to the AWAD, the weather is ... -
INFRAESTRUCTURES DE TRANSPORT AERI (Examen parcial, 1r quadrimestre)
Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2022-11-02)
Examen
Accés restringit a la comunitat UPC -
INFRAESTRUCTURES DEL TRANSPORT AERI (Examen final, 1r quadrimestre)
Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2023-01-23)
Examen
Accés restringit a la comunitat UPC -
INFRAESTRUCTURES DEL TRANSPORT AERI (Examen final, 1r quadrimestre)
Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2024-01-18)
Examen
Accés restringit a la comunitat UPC -
INFRAESTRUCTURES DEL TRANSPORT AERI (Examen final, 2n quadrimestre)
Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2023-06-16)
Examen
Accés restringit a la comunitat UPC -
INFRAESTRUCTURES DEL TRANSPORT AERI (Examen parcial, 1r quadrimestre)
Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2023-10-27)
Examen
Accés restringit a la comunitat UPC -
Integration of ground, airborne and linear holding for a cost-efficient network air traffic flow management
Xu, Yan; Prats Menéndez, Xavier; Yang, Lei; Zhang, Honghai (2017)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a method to integrate a cost-based linear holding (LH) practice, with the commonly seen ground and airborne holding, for the network air traf¿c ¿ow management (ATFM) problem. In this method, the performance ... -
Interacting multiple model filtering for aircraft guidance modes identification from surveillance data
Khaledian, Homeyra; Sáez García, Raúl; Vilà-Valls, Jordi; Prats Menéndez, Xavier (2023-06-01)
Article
Accés obertAccurate and reliable trajectory prediction (TP) is required in several air traffic management systems. Estimating the aircraft trajectory in a vertical plane typically requires the knowledge of a pair of operational ... -
ITA: Final exam: spring 2019
Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2019-06-07)
Examen
Accés restringit a la comunitat UPC -
ITA: Mid term exam: spring 2019
Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2019-03-29)
Examen
Accés restringit a la comunitat UPC -
Lexicographic optimisation for optimal departure aircraft trajectories
Prats Menéndez, Xavier; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Nejjari Akhi-Elarab, Fatiha (2010)
Article
Accés restringit per política de l'editorial -
Linear holding for airspace flow programs: a case study on delay absorption and recovery
Xu, Yan; Prats Menéndez, Xavier (2018-08-07)
Article
Accés obertThis paper presents a method to introduce linear holding to flights affected by Airspace Flow Program (AFP) initiatives. Trajectories are optimized at their planning stage in such a way that the program performance is ... -
Linear Holding for Reducing Additional Delays Experienced by Flights Subject to Ground Holding at no Extra Fuel Cost
Xu, Yan; Yin, Suwan; Dalmau Codina, Ramon; Prats Menéndez, Xavier; Han, Ke (2017)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper presents a method to implement linear holding (LH) for flights subject to ground holding in context of the upcoming Trajectory Based Operations in air transportation, aimed at reducing additional delays raised ...