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Ara es mostren els items 41-60 de 202

    • Automation for separation with CDOs: dynamic aircraft arrival routes 

      Sáez García, Raúl; Prats Menéndez, Xavier; Polishchuk, Tatiana; Polishchuk, Valentin; Schmidt, Christiane (2019)
      Text en actes de congrés
      Accés obert
      We present a mixed-integer programming (MIP) approach to compute aircraft arrival routes in a terminal maneuvering area (TMA) that guarantee temporal separation of all aircraft arriving within a given time period, where ...

    • Automation for separation with continuous descent operations: dynamic aircraft arrival routes 

      Sáez García, Raúl; Prats Menéndez, Xavier; Polishchuk, Tatiana; Polishchuk, Valentin; Schmidt, Christiane (2020-05-28)
      Article
      Accés obert
      This paper presents a mixed-integer programming approach to compute aircraft arrival routes in a terminal maneuvering area (TMA) with guaranteed temporal separation of all aircraft arriving within a given time period. ...

    • Basic Research Utilities for SBAS (BRUS) 

      Prats Menéndez, Xavier; Orús Pérez, Raül; Sanz Subirana, Jaume; Farnworth, Richard; Soley, Santiago (2003-02)
      Text en actes de congrés
      Accés obert
      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
      Accés obert
      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
      Accés obert
      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
      Accés obert

    • CO2 and non-CO2 balanced environmental scores module for flight performance evaluation and optimisation 

      Middel, Jan; Sutopo, Kinanthi; Heesbeen, Bart; Verbeek, René; van den Dungen, Nick; Sáez García, Raúl; Prats Menéndez, Xavier; Riccio, Angelo (Institute of Physics (IOP), 2023-06-28)
      Article
      Accés obert
      The SESAR2020 exploratory research (ER4) programme CREATE (Grant 890898) developed a climate and weather aware Concept of Operations (ConOps) which encompasses a multi-aircraft 4D trajectory optimisation framework, which ...

    • Combining the assignment of pre-defined routes and RTAs to sequence and merge arrival traffic 

      Dalmau Codina, Ramon; Alenka, Justinas; Prats Menéndez, Xavier (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • Comparison of fuel consumption of Continuous Descent Operations with required times of arrival 

      Sáez García, Raúl; Prats Menéndez, Xavier (2020)
      Text en actes de congrés
      Accés obert
      Continuous descent operations (CDOs) with required times of arrival (RTAs) have proven to deliver major environmental benefits in terminal maneuvering areas (TMAs) without degrading capacity. When traffic density is high, ...

    • Comparison of various guidance strategies to achieve time constraints in optimal descents 

      Dalmau Codina, Ramon; Prats Menéndez, Xavier; Verhoeven, Ronald; Bussink, Frank; Heesbeen, Bart (2019-01-01)
      Article
      Accés obert
      Continuous Descent Operations (CDOs) have been subject of extensive research in the last decades. Even if proving successful in reducing the environmental impact [1], such operations suffer from a well-known drawback: the ...

    • Compendium of procedures: tècniques experimentals en aerofísica (TEA) 

      Rojas Gregorio, José Ignacio; Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2011)
      Pràctica
      Accés obert

    • Conflict free trajectory optimisation for complex departure procedures 

      Vilardaga García-Cascón, Santi; Prats Menéndez, Xavier (2014)
      Text en actes de congrés
      Accés obert

    • Conflict Free Trajectory Optimisation with Target Tracking and Conformance Monitoring 

      Vilardaga García-Gascon, Santi; Prats Menéndez, Xavier; Duan, Pengfei; Uijt de Haag, Maarten (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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
      Accés obert
      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 ...

    • Considering TMA holding uncertainty into in-flight trajectory optimisation 

      Delgado Muñoz, Luis; Torre Sangrà, David de la; Kuljanin, Jovana; Prats Menéndez, Xavier (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Aircraft crew are aware of the delay they have experienced at departure. However, uncertainties ahead, and in particular holdings at arrival, can have an impact on the final performance of their operations. When optimising ...

    • Containing Aircraft Noise Levels at take-off: A Mathematical Programming Approach 

      Nejjari Akhi-Elarab, Fatiha; Prats Menéndez, Xavier; Puig, Vicenç; Quevedo Casín, Joseba Jokin; Polit, Monique; Ouattara, Baba; Achaibou, Karim; Mora-Camino, Félix (International Institute of Noise Control Engineering, 2005-08)
      Text en actes de congrés
      Accés obert
      The sustained growth of air transportation traffic along the last decades has induced increasing noise exposure for the areas surrounding large and medium airports. This study concentrates on the optimization of the ...

    • Contributions to the Optimisation of aircraft noise abatement procedures 

      Prats Menéndez, Xavier (Universitat Politècnica de Catalunya, 2010-01-29)
      Tesi
      Accés obert
      Tot i que en les últimes dècades la reducció del soroll emès pels avions ha estat substancial, el seu impacte a la població ubicada a prop dels aeroports és un problema que encara persisteix. Contenir el soroll generat ...

    • Controlled time of arrival windows for already initiated energy-neutral continuous descent operations 

      Dalmau Codina, Ramon; Prats Menéndez, Xavier (2017-12-01)
      Article
      Accés obert
      Continuous descent operations with controlled times of arrival at one or several metering fixes could enable environmentally friendly procedures without compromising terminal airspace capacity. This paper focuses on ...

    • CREATE - D5.2: Procedures validation identifying potential benefits and risks and stakeholders implementation suggestions - Exercise Results 

      Sáez García, Raúl; Cabrera Ramírez, Bryan Gustavo; Melgosa Farrés, Marc; Prats Menéndez, Xavier (2022-09-28)
      Report de recerca
      Accés obert
      This report is the deliverable “D5.2 - Procedures validation identifying potential benefits and risks and stakeholders implementation suggestions” of the H2020 SESAR CREATE project. The purpose of this document is to provide ...

    • Data-driven estimation of flights’ hidden parameters 

      Vouros, George; Tranos, Theodore; Blekas, Konstantinos; Santipantakis, Georgios; Melgosa Farrés, Marc; Prats Menéndez, Xavier (Single European Sky ATM Research (SESAR), 2022)
      Text en actes de congrés
      Accés obert
      This paper presents a data-driven methodology for the estimation of flights’ hidden parameters, combining mechanistic and AI/ML models. In the context of this methodology the paper studies several AI/ML methods and reports ...