1–20 von 61 Ergebnissen
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    Adaptive Artificial Time Delay Control for Quadrotors under State-dependent Unknown Dynamics

    Freier Zugriff
    Dantu, Swati / Yadav, Rishabh Dev / Roy, Spandan et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2023
    operations pose considerable control challenges, especially when various (a priori unbounded) state-dependent unknown dynamics arises from payload ...

    Impact of ATC speed instructions on fuel consumption and noise exposure: an assessment of real operations in Zurich

    Freier Zugriff
    Abdelmoula, Fethi / Roeser, Mathias Stefan / Kühne, Christoph Georg et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    DYNCAT (Dynamic Configuration Adjustment in the TMA) aims to highlight the impact of current approach operations on the environment based on all ...

    Modular Mechatronics Infrastructure for Robotic Planetary Exploration Assets in a Field Operation Scenario

    Freier Zugriff
    Fonseca Prince, Andre / Vodermayer, Bernhard / Pleintinger, Benedikt et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    an analogue harsh environment and the confirmation of enhanced operations with the application of this modular method. Among the numerous ...
    Schlagwörter: operations

    Life Cycle Assessment of Power-to-Liquid for Aviation: A Case Study of a Passenger Aircraft

    Freier Zugriff
    Papantoni, Veatriki / Linke, Florian / Dahlmann, Katrin et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    The aviation sector is estimated to require a widespread deployment of sustainable fuels next to developments in aircraft technology and ...

    Aspects of yaw control design of an aircraft with distributed electric propulsion

    Freier Zugriff
    Vechtel, Dennis / Buch, Jan-Philipp | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    operations. This reduction in VTP size results in a reduction of the block fuel by about 4%. For the 12-engine aircraft, a 6-degrees-of-freedom ...

    THE AUTOMATION EVOLVES: CONCEPT FOR A HIGHLY AUTOMATED CONTROLLER WORKING POSITION

    Freier Zugriff
    Gerdes, Ingrid / Jameel, Mohsan / Hunger, Robert et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    Air traffic controlling demands planning, coordination, and active management of airspace for safe flight operations. Human air traffic ...
    Schlagwörter: Single Controller Operations

    Surviving Mars: new insights into the persistence of facultative anaerobic microbes from analogue sites

    Freier Zugriff
    Beblo-Vranesevic, Kristina / Piepjohn, J. / Antunes, A. et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    Mars analogue environments are some of the most extreme locations on Earth. Their unique combination of multiples extremes (e.g. high ...

    Synthesis of impermeable cellular glass foam from soda lime glass waste using SiC foaming agent

    Freier Zugriff
    El-Amir, Ahmed A.A. / Attia, Mohamed / Ewais, Emad et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    This research presents the possibility of producing durable foam glasses from soda-lime glass waste using SiC foaming agent via viscous ...

    METERON Analog-1: A Touch Remote

    Freier Zugriff
    Carey, William / Krueger, Thomas / Wedler, Armin et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    The METERON project (Multipurpose End-To-End Robotics Operations Network) was implemented by the European Space Agency as an initiative to ...

    From underactuation to quasi-full actuation: Aiming at aunifying control framework for articulated soft robots

    Freier Zugriff
    Keppler, Manuel / Ott, Christian / Albu-Schäffer, Alin Olimpiu | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    We establish a structure preserving state and input transformation that allows a class of underactuated Euler Lagrange systems to be ...

    Using Augmented Reality to Reduce Workload in Offshore Environments

    Freier Zugriff
    Maibach, Malte-Jörn / Jones, Michael / Walko, Christian | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    two test campaigns are described which assess the utility of an affordable commercial-off-the-shelf (COTS) head-mounted display (HMD) to ...

    Impact of bed motion on the wall-to-bed heat transfer for powders in a rotary kiln and effect of built-ins

    Freier Zugriff
    Moumin, Gkiokchan / Tescari, Stefania / Sattler, Christian | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2021
    This study analyses experimentally the heat transfer from the wall to the particle bed in a rotating drum with and without addition of ...

    Sensor-based leakage detection in vacuum bagging

    Freier Zugriff
    Haschenburger, Anja / Menke, Niklas / Stüve, Jan | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2021
    A majority of aircraft components are nowadays manufactured using autoclave processing. Essential for the quality of the component is the ...

    GNSS Double Differences used as Beacon Landing System for Aircraft Instrument Approach

    Freier Zugriff
    Dautermann, Thomas / Korn, Bernd / Flaig, Karin et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2021
    When using GNSS navigation for final approach guidance of aircraft to a landing site, the only systems currently available are differential ...

    VDES R-Mode Performance Analysis and Experimental Results

    Freier Zugriff
    Wirsing, Markus / Dammann, Armin / Raulefs, Ronald | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2021
    Global Navigation Satellite Systems (GNSS) have become an essential part of maritime navigation, in particular to improve situational ...

    Magnetic Properties of Asteroid (162173) Ryugu

    Freier Zugriff
    Hercik, D. / Auster, H-U. / Constantinescu, D. et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2020
    field of an asteroid during descent and on-surface operations. The new observations show that Ryugu, a low-albedo C-type asteroid, has no ...

    An Efficient Indoor Wi-Fi Positioning Method Using Virtual Location of AP

    Freier Zugriff
    Xu, Fan / Hu, Xuke / Luo, Shuaiwei et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2020
    Wi-Fi fingerprinting has been widely used for indoor localization because of its good cost-effectiveness. However, it suffers from ...

    Spatial Patterns of Childhood Obesity Prevalence in Relation to Socioeconomic Factors across England

    Freier Zugriff
    Sun, Yeran / Hu, Xuke / Huang, Ying et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2020
    characteristics across a country, we aimed to investigate the spatial associations of socioeconomic characteristics and childhood obesity. We first ...

    The Eu:CROPIS Mass Property Campaign: Trimming a spin-stabilized compact satellite for a long term artificial gravity experiment

    Freier Zugriff
    Orlowski-Feldhusen, Fabian / Kottmeier, Sebastian / Heidecker, Ansgar et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2020
    Eu:CROPIS (Euglena Combined Regenerative Organic Food Production In Space) is the first mission of DLR's Compact Satellite program. The ...
    Schlagwörter: momentum of inertia

    Performance Engineering for a Tall & Skinny Matrix Multiplication Kernel on GPUs

    Freier Zugriff
    Ernst, Dominik / Hager, Georg / Thies, Jonas et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2020
    performance for tall & skinny matrices, which are much taller than wide. Nvidia's current CUBLAS implementation delivers only a fraction of ...
    Schlagwörter: memory-bounded operations