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On Real-Time Model and Hybrid Adaptive Vibrations Control of Smart Rotor Blades

Ma, K. and Melcher, J. (1998) On Real-Time Model and Hybrid Adaptive Vibrations Control of Smart Rotor Blades. Acta Aeronautica et Astronautica Sinica, 19 (5), pp. 525-530.

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The paper deals with the on-line model, control strategy of smart rotor blades and controller realization. After the overview of the smart blade, a recursive MX filter is developed for simulating the dynamic features of smart blades, in which the coefficients have certain relationships with the rotor’s natural frequencies and modal damping, etc. Then a new hybrid adaptive control strategy is presented. It combines an adaptive feedforward controller with a conventional feedback controller, and brings about the increase of the modal damping of the controlled blade and the cancellation of the disturbance response. Finally, two Motorola DSP56002EVM boards are used for other control law. The dramatical reductions are obtained for the vibrations induced by single frequency, dual frequency, varied frequency and varied amplitude excitations.

Item URL in elib:https://elib.dlr.de/16253/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=1999,
Title:On Real-Time Model and Hybrid Adaptive Vibrations Control of Smart Rotor Blades
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:Acta Aeronautica et Astronautica Sinica
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 525-530
Keywords:Key words: helicopter, structural vibration, adaptive control, adaptive filtering
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L DT - Drehflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik
Deposited By: Wolff, Sibylle
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 15:32

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