Abstract
Abstract In this paper, we address a way to absorb the vibrations of large scaled heavy aircraft structures such as landing gear components, using the combination of active and passive controls. A steel tube, which is equivalent to Boeing 747 landing gear break rod, is selected as a test bed. The expected goal of this study is to dissipate the fundamental mode of the tube. A Beam type dynamic absorber and a constrained layer damping method are used for passive vibration controls. Both Matlab simulations and experimental results are provided for the dynamic absorber case. A fuzzy logic based controller with an acceleration measurement using piezoelectric actuators (PZT) is implemented in dSPACE for the active vibration control of the system. The integrated controller with passive and active components absorb the fundamental mode of the system according to the experimental results.
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