...Yifan Liu; Jiazhi Cai; Nejat Olgac; Qingbin Gao The delayed resonator (DR) is an active vibration absorber, which yields ideal vibration suppression at its resonance frequency. In this study, we further complement the DR design in a distinctive mechanical path by introducing an amplifying mechanism...

... symmetric laminated composite plates harmonic excitation vibration suppression nodes damped absorbers assumed-modes method vibration control Composite laminates are widely utilized in various fields, especially in civil, aerospace, and mechanical engineering, due to their promising properties...

... modeling is analytically formulated by incorporating experimental data, and optimization of MDOF TMD considering background modes is performed. Two scenarios of MDOF TMD (i.e., 2DOFs TMD and 3DOFs TMD) are simulated. Vibration suppression of single dominant mode and multiple modes are achieved...

...Yichang Shen; Philip D. Cha; Xiang Zhou In this paper, a simple and efficient method to enforce nodes, or points of zero vibration, on an arbitrarily supported rectangular plate subjected to multiple harmonics with distinct excitation frequencies is developed. This vibration suppression is achieved...

...Eshagh Farzaneh Joubaneh; Oumar Rafiou Barry Electromagnetic resonant shunt tuned mass damper-inerter (ERS-TMDI) has recently been developed for dual-functional vibration suppression and energy harvesting. However, energy harvesting and vibration mitigation are conflicting objectives, thus...

... are developed for the absorber linear stiffness (linearized natural frequency) and nonlinear stiffness in order to achieve better performance in vibration suppression. Illustrative examples are given to show the effectiveness of the nonlinear absorber in suppressing nonlinear vibrations of the forced oscillator...

... results presented a good performance of this kind of balancing device. 06 12 2010 25 10 2011 23 04 2012 24 04 2012 vibration suppression active balancing device static magnetic field synchronous rotating electromagnetic force Rotating machines such as turbomachinery...

... with attached multiple TMD systems, and Li and Zhu ( 9 ) studied a double TMD system, which was named as composite TMD by Nishimura et al. ( 10 ). Investigation of the passive vibration suppression of structures, subjected to random loadings, using the TMD technology through the development of finite...

... piezoelectric transducer network is synthesized and analyzed for multiple-harmonic vibration suppression of bladed disks. An optimal network is derived analytically. The performance of the network for bladed disks with random mistuning is examined through Monte Carlo simulation. The effects of variations...

... absorber and optimal network. Gray solid line: without control; black solid line: with optimal network; black dotted line: with traditional absorber. In this section, we examine the optimal network’s vibration suppression performance systematically from a statistical point of view, from which we...

...Qinglei Hu; Guangfu Ma A hybrid control scheme for vibration reduction of flexible spacecraft during rotational maneuvers is investigated by using variable structure output feedback control (VSOFC) for attitude control and smart materials for active vibration suppression. The proposed control...