1–20 of 20 hits
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    L1 adaptive fault-tolerant control of stratospheric airships

    Free access
    Souanef, Toufik / Whidborne, James / Liu, Shi Qian | Springer Verlag | 2024
    1 adaptive ...
    Keywords: Aerospace Technology and Astronautics

    The second wind-tunnel test of DLR’s multiple swashplate system

    IBC on a five-bladed rotor with fuselage-mounted (fixed frame) actuators
    Küfmann, P. M. / Bartels, R. / van der Wall, B. G. et al. | Springer Verlag | 2018
    an amplitude of 1 . ...
    Keywords: Aerospace Technology and Astronautics

    Doubly Coupled Antagonistic Shape Memory Alloy Actuator for Morphing Wing

    Suzuki, Shingo / Senba, Atsuhiko / Ikeda, Tadashige et al. | Springer Verlag | 2022

    Shape memory alloy (SMA) wires have received considerable attention for use in actuators in morphing wings. This

     ...
    Keywords: Aerospace Technology and Astronautics

    Nonlinear Proportional-Derivative Control Incorporating Closed-Loop Control Allocation for Spacecraft

    Hu, Qinglei / Li, Bo / Xiao, Bing et al. | Springer Verlag | 2021
    . In the practical aerospace engineering, the actuator saturation issue which is derived from the physical limitation on the actuator, should ...
    Keywords: Aerospace Technology and Astronautics

    Experimental investigation and design of a shape-variable compressor cascade

    Krone, J. H. / Huxdorf, O. / Riemenschneider, J. et al. | Springer Verlag | 2016
    describes an approach using shape-variable blades equipped with integrated piezoceramic-based macro fiber composite (MFC) Actuators on the blade’s ...
    Keywords: Aerospace Technology and Astronautics

    Conclusions and Outlook

    Ducard, Guillaume J.J. | Springer Verlag | 2009
    of actuators) + 1 EKFs in parallel. Current and future research work of the author focuses on a technique to reduce the computational ...
    Keywords: Aerospace Technology and Astronautics

    NN-Based High-Order Adaptive Compensation Framework for Signal Dependencies

    Deb, Dipankar / Burkholder, Jason / Tao, Gang | Springer Verlag | 2021
    parameterization with partial state-feedback [1]. ...
    Keywords: Aerospace Technology and Astronautics

    Attitude Control on GRACE Follow-On: Experiences from the First Years in Orbit

    Cossavella, F. / Herman, J. / Hoffmann, L. et al. | Springer Verlag | 2022
    . The inter-satellite distance is measured by a microwave tracking system to an accuracy of 1 μm. A laser ranging interferometer is added as a ...
    Keywords: Aerospace Technology and Astronautics

    Adaptive Compensation at High Angles of Attack

    Deb, Dipankar / Burkholder, Jason / Tao, Gang | Springer Verlag | 2021
    [1]. An air vehicle at high AoA allows the pilot to rapidly nose-point to ensures a decisive action on the enemy. That is why next ...
    Keywords: Aerospace Technology and Astronautics

    Adaptive Compensation at Low Angles of Attack: Nonlinear Aircraft Model

    Deb, Dipankar / Burkholder, Jason / Tao, Gang | Springer Verlag | 2021
    equivalent linear systems. Recent work on two different types of nonlinear control systems like microbial fuel cells [1] and artificial ...
    Keywords: Aerospace Technology and Astronautics

    Closed-Loop Based Control Allocation for Spacecraft Attitude Stabilization with Actuator Faults

    Hu, Qinglei / Li, Bo / Xiao, Bing et al. | Springer Verlag | 2021

    During the aerospace missions for the on-orbiting spacecraft, actuator faults are frequently encountered such

     ...
    Keywords: Aerospace Technology and Astronautics

    Signal-Dependent Uncertainty Compensation: A General Framework

    Deb, Dipankar / Burkholder, Jason / Tao, Gang | Springer Verlag | 2021

    The process of modeling of SJAs at low AoA [1, 2] is very different from that at high

     ...
    Keywords: Aerospace Technology and Astronautics

    Fault-Tolerant Control on a UH-60 Black Hawk helicopter using horizontal stabilator

    Vayalali, Praneet / McKay, Michael / Krishnamurthi, Jayanth et al. | Springer Verlag | 2021
    swashplate actuators. Stabilator use has previously been shown to work in an adaptive sense, where the control mixing is remapped in flight once ...
    Keywords: Aerospace Technology and Astronautics

    Low-Speed Wind Tunnel Testing of a Passive Camber Morphing Airfoil Using a 3D-Printed Compliant Mechanism

    Kai, Shoko / Takazawa, Shogo / Ochi, Shuji et al. | Springer Verlag | 2022
    presented. While most morphing airfoils are controlled using actuators, the passive morphing airfoil deforms due to the balance between the airfoil ...
    Keywords: Aerospace Technology and Astronautics

    Variational Problem of Vibration Suppression for Thermoelastic Axially Moving Web

    Banichuk, Nikolay / Tuovinen, Tero / Ivanova, Svetlana et al. | Springer Verlag | 2022
    formulation of optimization problem for the case of 1-D structural element related to application of active control to dynamics problems of moving ...
    Keywords: Aerospace Technology and Astronautics

    Smart Morphing and Sensing for the Wings of the Future

    Marouf, A. / Simiriotis, N. / Tô, J. B. et al. | Springer Verlag | 2022
    actuators electrically actuated and embedded under the “skin” of the lifting structure and new generation of sensors based on Bragg grating ...
    Keywords: Aerospace Technology and Astronautics

    Analysis of a multi-functional high-lift system driven by an active differential gear box

    Vechtel, Dennis / Hauber, Bernhard / Looye, Gertjan | Springer Verlag | 2014
    together with the outer (low speed) aileron. Concept 1 comprises the usual flap geometry and the outer aileron, whereas concept 2 comprises an ...
    Keywords: Aerospace Technology and Astronautics

    Structural concept of an adaptive shock control bump spoiler

    Free access
    Kintscher, Markus / Riemenschneider, Johannes / Monner, Hans-Peter et al. | Springer Verlag | 2021
    Sky 2. In: 1st AFloNext Workshop Key Note Lecture No. 1, Delft, The Netherlands, 10 Sept 2015). Another challenge associated with laminar ...
    Keywords: Aerospace Technology and Astronautics

    Simulation of a high-agility model airplane in the presence of severe structural damage and failures, and design of a dynamic inversion controller

    Baur, S. / Geiser, M. / Höcht, L. et al. | Springer Verlag | 2011
    the aircraft, including the dynamics of the motors, the actuators and the sensors, for the nominal case as well as in the case of severe ...
    Keywords: Aerospace Technology and Astronautics

    Robust and Adaptive Control with Output Feedback

    Lavretsky, Eugene / Wise, Kevin A. | Springer Verlag | 2012
    system measured outputs (sensors) is no less than the number of the control inputs (actuators). If the number of inputs and outputs are the same ...
    Keywords: Aerospace Technology and Astronautics