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Wei Chen, Xingyu Du, Bao-Lin Zhang, Zhihui Cai and Zhongqiang Zheng
To improve the safety and reliability of offshore structures subject to wave loading, the active vibration control problem is always one of significant issues in the field of ocean engineering. This paper deals with the near?optimal control problem of of...
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Yue-Ting Sun, Yan-Dong Zhao, Bao-Lin Zhang, Wei Zhang and Hao Su
In deepwater-drilling engineering, it is necessary to disconnect the bottom equipment of the lower marine-riser package from the blowout preventer when encountering multi-hazard environmental factors. In order to reduce the impact of recoil on the drilli...
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Aylin Ece Kayabekir, Gebrail Bekdas, Sinan Melih Nigdeli and Zong Woo Geem
In this study, the music-inspired Harmony Search (HS) algorithm is modified for the optimization of active tuned mass dampers (ATMDs). The modification of HS includes the consideration of the best solution with a defined probability and updating of algor...
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Pei-Ching Chen and Kai-Yi Chien
In recent years, optimal control which minimizes a cost function formulated by weighted states and control inputs has been applied to the seismic control of structures. Optimal control requires structural states which may not be available in real applica...
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Hyun-Su Kim
A structural analysis model to represent the dynamic behavior of building structure is required to develop a semi-active seismic response control system. Although the finite element method (FEM) is the most widely used method for seismic response analysi...
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Volodymyr Yatsun,Gennadiy Filimonikhin,Vladimir Pirogov,Volodymyr Amosov,Petro Luzan
Pág. 89 - 97
A three-mass anti-resonance vibratory machine with a vibration exciter in the form of a passive auto-balancer has been analytically synthesized. In the vibratory machine, platforms 1 and 2 are visco-elastically attached to platform 3. Platform 3 is visco...
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Seongkyu Chang and Deokyong Sung
This study presents a neuro-control algorithm based on structural modal energy that outputs an optimal control signal to reduce vibration during earthquakes. The modal energy of a structure is used in the objective function during the training process of...
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Jun Wang, Junhong Zhang, Liang Ma and Yangyang Yu
Magnetorheological damper (MRD), a semi-active control device, has the stability of the passive control device and the adaptive ability of the active control device. It is considered to be an ideal replacement for the squeeze film damper (SFD) and has be...
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Mohamed Hechmi El Ouni, Mohamed Y. Laissy, Mohammed Ismaeil and Nabil Ben Kahla
The study aims to assess the impact of shear walls on active vibration control of the buildings. It has evaluated the design of a smart 20-story building equipped with an Active Mass Damper to mitigate earthquakes. The design has combined shear walls wit...
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Arash Hemmati and Erkan Oterkus
High flexibility of new offshore wind turbines (OWT) makes them vulnerable since they are subjected to large environmental loadings, wind turbine excitations and seismic loadings. A control system capable of mitigating undesired vibrations with the poten...
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