Browsing by Subject "Drone aircraft"

Now showing items 1-20 of 331

    • A comprehensive analysis of a Light-UAVS design 

      Olivart Llop, Josep Miquel (Universitat Politècnica de Catalunya / Politecnico di Torino, 2008)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement

    • A deep reinforcement learning approach for path following on a quadrotor 

      Rubí Perelló, Bartomeu; Morcego Seix, Bernardo; Pérez Magrané, Ramon (2020)
      Conference report
      Open Access
      This paper proposes the Deep Deterministic Policy Grandient (DDPG) reinforcement learning algorithm to solve the path following problem in a quadrotor vehicle. This agent is implemented using a separated control and guidance ...

    • A distributed man-machine dispatching architecture for emergency operations based on 3GPP mission critical services 

      Viamonte Solé, David; Calveras Augé, Anna M. (Institute of Electrical and Electronics Engineers (IEEE), 2017-12-16)
      Article
      Open Access
      With the number of non-human devices expected to significantly overtake human users of LTE networks, it is no surprise that First Responders in Mission Critical operations will need to interact with an increasing number ...

    • A fully interactive visualization method for building condition assessment 

      Banaszek, Anna; Banaszek, Sebastian; Cellmer, Anna; Gibert Armengol, Vicente; Serrat Piè, Carles (2019)
      Conference report
      Open Access
      The aim of the paper is to introduce a tool for the accurate assessment of the technical condition of buildings. The proposed methodology is becoming an efficient strategy for the massive inspection of building stocks, in ...

    • A fully interactive visualization method for building condition assessment 

      Banaszek, Anna; Banaszek, Sebastian; Cellmer, Anna; Gibert Armengol, Vicente; Serrat Piè, Carles (Institute of Physics (IOP), 2019-09)
      Article
      Open Access
      The aim of the paper is to introduce a tool for the accurate assessment of the technical condition of buildings. The proposed methodology is becoming an efficient strategy for the massive inspection of building stocks, in ...

    • A hardware/software architecture for UAV payload and mission control 

      Pastor Llorens, Enric; López Rubio, Juan; Royo Chic, Pablo (2006)
      Conference report
      Open Access
      This paper presents an embedded hardware/software architecture specially designed to be applied on mini/micro Unmanned Aerial Vehicles (UAV). An UAV is low-cost non-piloted airplane designed to operate in D-cube ...

    • A macroscopic performance analysis of NASA’s northrop grumman RQ-4A 

      Pastor Llorens, Enric; Pérez Batlle, Marcos; Barrado Muxí, Cristina; Royo Chic, Pablo; Cuadrado Santolaria, Raúl (Multidisciplinary Digital Publishing Institute (MDPI), 2018-01-10)
      Article
      Open Access
      This paper presents the process of identification, from a macroscopic point of view, of the Northrop Grumman RQ-4A Global Hawk Remote-Piloted Aircraft System from real, but limited flight information. Performance parameters ...

    • A methodology for measuring the impact on flight inefficiency of future RPAS operations 

      Pérez Batlle, Marcos; Tadeo, Carlos; Pastor Llorens, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      This paper presents a simple methodology for measuring the impact on flight inefficiency of future Remotely-Piloted Aircraft Systems (RPAS) operations. State-of-the-art inefficiency metrics have been selected and adapted ...

    • A Middleware architecture for Unmanned Aircraft Avionics 

      López, Juan; Royo Chic, Pablo; Pastor Llorens, Enric; Barrado Muxí, Cristina; Santamaria Barnadas, Eduard (Uiversity of Irvine, 2007-11)
      Conference report
      Open Access
      An Unmanned Aerial Vehicle is a non-piloted airplane designed to operate in dangerous and repetitive situations. With the advent of UAV's civil applications, UAVs are emerging as a valid option in commercial scenarios. ...

    • A new technique based on mini-UAS for estimating water and bottom radiance contributions in optically shallow waters 

      Montes Hugo, J. M.; Barrado Muxí, Cristina; Pastor Llorens, Enric (International Society for Photogrammetry and Remote Sensing (ISPRS), 2015)
      Conference report
      Open Access
      The mapping of nearshore bathymetry based on spaceborne radiometers is commonly used for QC ocean colour products in littoral waters. However, the accuracy of these estimates is relatively poor with respect to those derived ...

    • A service-constrained positioning strategy for an autonomous fleet of airborne base stations 

      José Torra, Ferran; Pascual Iserte, Antonio; Vidal Manzano, José (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10)
      Article
      Open Access
      This paper proposes a positioning strategy for a fleet of unmanned aerial vehicles (UAVs) airlifting wireless base stations driven by communication constraints. First, two schedulers that model the distribution of resources ...

    • A simheuristic for the unmanned aerial vehicle surveillance-routing problem with stochastic travel times and reliability considerations 

      Panadero, Javier; Juan Pérez, Ángel Alejandro; Serrat Piè, Carles; Grifoll Colls, Manel; Freixes, Alfons (2019)
      Conference report
      Open Access
      In the unmanned aerial vehicle (UAV) surveillance-routing problem, a limited fleet of UAVs with driving-range limitations have to visit a series of target zones in order to complete a monitoring operation. This operation ...

    • A Survey of path following control strategies for UAVs focused on quadrotors 

      Rubí Perelló, Bartomeu; Pérez Magrané, Ramon; Morcego Seix, Bernardo (2019-11-09)
      Article
      Open Access
      The trajectory control problem, defined as making a vehicle follow a pre-established path in space, can be solved by means of trajectory tracking or path following. In the trajectory tracking problem a timed reference ...

    • A survey of propagation channel modelling for UAV communications 

      Sala Sucarrats, Oriol (Universitat Politècnica de Catalunya, 2018-07)
      Bachelor thesis
      Open Access
      Covenantee:   Linköpings Universitet
      The purpose of this project is to make a survey about channel propagation models in Air to Ground communications, also found in low altitude Unmanned Aircraft Vehicles links. The project consists on gathering the literature ...

    • A telemetry modeling for intelligent UAV monitoring 

      Tristancho Martínez, Joshua; Barrado Muxí, Cristina; Pérez Mansilla, Sonia; Pastor Llorens, Enric (2009-10-19)
      Conference report
      Open Access
      An Unmanned Aerial Vehicle, UAV for short, is able to fly autonomously during all phases of flight, but has to be monitored from an operator station. In this article a better avionic system is proposed to optimize this ...

    • Adaptive nonlinear guidance law using neural networks applied to a quadrotor 

      Rubí Perelló, Bartomeu; Morcego Seix, Bernardo; Pérez Magrané, Ramon (2019)
      Conference report
      Open Access
      The NonLinear Guidance Law (NLGL) is a geometric algorithm commonly employed to solve the path following problem on different unmanned vehicles. NLGL is simple (does no depend on the model of the vehicle), effective and ...

    • Advances in UAS for forest fire fighting 

      Pastor Llorens, Enric; Barrado Muxí, Cristina; López, Juan; Prats Menéndez, Xavier; Ramírez Alcántara, Jorge; Royo Chic, Pablo; Santamaria Barnadas, Eduard (Universidad Politécnica de Madrid, 2007)
      Conference report
      Open Access

    • Advantages and disadvantages of some unmanned aerial vehicles deployed in maritime surveillance 

      Bauk, Sanja; Kapidani, Nexhat; Sousa, Luis; Lukšić, Žarko; Spuža, Agim (Universitat Politècnica de Catalunya. Departament de Ciència i Enginyeria Nàutiques, 2020-09)
      Conference report
      Open Access
      The paper discusses the advantages and disadvantages of some unmanned aerial vehicles used for maritime surveillance. As examples, the Zephyr pseudo-satellite, as well as the AR5 and the AR3 medium altitude unmanned aircraft ...

    • Aerodynamic study of the NASA’s X-43A hypersonic aircraft 

      Navó, Alex; Bergadà Granyó, Josep Maria (Multidisciplinary Digital Publishing Institute, 2020-11-19)
      Article
      Open Access
      A 2D aerodynamic study of the NASA’s X-43A hypersonic aircraft is developed using two different approaches. The first one is analytical and based on the resolution of the oblique shock wave and Prandtl–Meyer expansion wave ...

    • Aerodynamics of Rotor in Confined ENvironment (ARChEaN) 

      García Magaña, Cristian (Universitat Politècnica de Catalunya, 2014-06-11)
      Bachelor thesis
      Restricted access - confidentiality agreement