2020 • In Desmet, Wim; Pluymers, Bert; Moens, Davidet al. (Eds.) Proceedings of ISMA 2020 - International Conference on Noise and Vibration Engineering and USD 2020 - International Conference on Uncertainty in Structural Dynamics
[en] This paper investigates the potential of using an active control system to mitigate broadband vibrations of bladed structures. Piezoelectric patches are used for both sensing the motion and actuating the control force. To maximize control authority, the size and location of piezoelectric patches are optimized based on maximizing the strain energy. Two new designs of active control law, which are inspired by force-feedback configuration, are developed for the plant having alternating pole-zero pairs in the frequency response function (FRF). Numerical simulations are performed to assess the performance of the designed control system in terms of the closed-loop damping of the system with high modal density. The parameters of the control law are tuned based on maximizing the minimum damping of the first family of modes. Experimental tests are performed to validate the numerical design.
Paknejad, Ahmad; Université Libre de Bruxelles - ULB > Department of Bio-, Electro- and Mechanical Systems > Precision Mechatronics Laboratory
Raze, Ghislain ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Zhao, Guoying; Université Libre de Bruxelles - ULB > Department of Bio-, Electro- and Mechanical Systems > Precision Mechatronics Laboratory
Deraemaeker, Arnaud; Université Libre de Bruxelles - ULB > Department of Building Architecture and Town Planning
Kerschen, Gaëtan ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Collette, Christophe ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Active aerospace struct. and adv. mecha. systems
Language :
English
Title :
Active vibration damping of bladed structures
Publication date :
October 2020
Event name :
ISMA 2020 - 29th international conference on Noise and Vibration Engineering
Event organizer :
KU Leuven
Event place :
Leuven, Belgium
Event date :
from 07-09-2020 to 09-09-2020
Audience :
International
Main work title :
Proceedings of ISMA 2020 - International Conference on Noise and Vibration Engineering and USD 2020 - International Conference on Uncertainty in Structural Dynamics
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