Ara es mostren els items 1-20 de 95

  • A case study for the verification of complex timed circuits: IPCMOS 

    Peña Basurto, Marco Antonio; Cortadella, Jordi; Pastor Llorens, Enric; Smirnov, Alexandre (Institute of Electrical and Electronics Engineers (IEEE), 2002)
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    The verification of a n-stage pulse-driven IPCMOS pipeline, for any n>0, is presented. The complexity of the system is 32n transistors and delay information is provided at the level of transistor The correctness of the ...
  • 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)
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  • A hardware/software architecture for UAV payload and mission control 

    Pastor Llorens, Enric; López Rubio, Juan; Royo Chic, Pablo (2006)
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    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)
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    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)
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    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)
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    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. ...
  • An architecture for the development of complex UAS missions 

    Pastor Llorens, Enric; Barrado Muxí, Cristina; Royo Chic, Pablo; López Rubio, Juan; Santamaria Barnadas, Eduard (2009)
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    The generalized development of UAS complex applications are still limited by the absence of systems that support the implementation of the actual mission. UAS design faces the development of specific systems to control ...
  • An architecture for the seamless integration of UAS 

    Pastor Llorens, Enric; Barrado Muxí, Cristina; López Rubio, Juan; Royo Chic, Pablo; Santamaria Barnadas, Eduard; Prats Menéndez, Xavier (2009)
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  • An architecture for the seamless integration of UAS remote sensing missions 

    Pastor Llorens, Enric; Barrado Muxí, Cristina; Royo Chic, Pablo; López Rubio, Juan; Santamaria Barnadas, Eduard; Prats Menéndez, Xavier (2009)
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    Unmanned Aerial Systems (UAS) are slowing becoming e cient platforms that can be applied in scienti c/commercial remote sensing applications. UAS may o er interesting bene ts in terms of cost, exibility, endurance, ...
  • An architecture to automate UAS operations in non-segregated airspace 

    Pastor Llorens, Enric; Royo Chic, Pablo; Santamaria Barnadas, Eduard; Pérez Batlle, Marcos; Barrado Muxí, Cristina; Prats Menéndez, Xavier (2011)
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    Technology evolution in the field of Unmanned Aircraft Systems (UAS) will affect the Air Traffic Management (ATM) performance regarding to new military and civil applications. UAS, as new airspace users, will represent new ...
  • An Assessment for UAS depart and approach operations 

    Delgado Muñoz, Luis; Prats Menéndez, Xavier; Ferraz, Carlos; Royo Chic, Pablo; Pastor Llorens, Enric (2009-09)
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  • An Assessment for UAS Traffic Awareness Operations 

    Pastor Llorens, Enric; Prats Menéndez, Xavier; Delgado Muñoz, Luis (2010)
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    Technology evolution in the field of Unmanned Aircraft Systems (UAS) will affect the Air Traffic Management (ATM) performance regarding to new military and civil applications. UAS, as new airspace users, will represent ...
  • An efficient unique state coding algorithm for signal transition graphs 

    Pastor Llorens, Enric; Cortadella, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 1993)
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    Current algorithms to force the complete state coding (CSC) property for signal transition graphs work on the state graph and, therefore require exponential time and space. Polynomial algorithms have been only proposed for ...
  • An electromagnetic interference reduction check list for unmanned aircraft system 

    Tristancho Martínez, Joshua; Quílez Figuerola, Marcos; Pastor Llorens, Enric (2010)
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  • An event driven approach for increasing UAS mission automation 

    Santamaria Barnadas, Eduard; Barrado Muxí, Cristina; Pastor Llorens, Enric (2009-03-23)
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    UAS have great potential to be used in a wide variety of civil applications such as environmental applications, emergency situations, surveillance tasks and more. The development of Flight Control Systems (FCS) coupled ...
  • A new look at the conditions for the synthesis of speed-independent circuits 

    Pastor Llorens, Enric; Cortadella, Jordi; Roig Mansilla, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 1995)
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    This paper presents a set of sufficient conditions for the gate-level synthesis of speed-independent circuits when constrained to a given class of gate library. Existing synthesis methodologies are restricted to architectures ...
  • 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)
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    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 ...
  • An integrated mission management system for UAS civil applications 

    Santamaria Barnadas, Eduard; Royo Chic, Pablo; Barrado Muxí, Cristina; Pastor Llorens, Enric (2009)
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    This paper presents an Integrated Mission Management System for Unmanned Aircraft Systems (UAS). The system consists in a number of mission and flight software modules that control the UAS path and the operation of its ...
  • An unmanned aircraft system to detect a radiological point source using RIMA software architecture 

    Royo Chic, Pablo; Pastor Llorens, Enric; Macias López, Miquel; Cuadrado, Raul; Barrado Muxí, Cristina; Vargas Drechsler, Arturo (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10-30)
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    Unmanned Aircraft Systems (UASs), together with the miniaturisation of computers, sensors, and electronics, offer new remote sensing applications. However, there is a lack of hardware and software support to effectively ...
  • Applying marea middleware to UAS communications 

    López Rubio, Juan; Royo Chic, Pablo; Barrado Muxí, Cristina; Pastor Llorens, Enric (2009)
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    Unmanned Aircraft Systems (UAS) are increasing their communication subsystems complexity as they are using several data links both for redundancy and for tacking with different communication requirements: different ranges, ...