Damping vibrations of an underground structure using a three-mass damper
نویسندگان
چکیده
منابع مشابه
Free Vibrations of a Cable with an Attached Mr Damper – Experimental Analysis of Amplitude Dependent Damping
This paper presents results of experiments carried out on free vibrations of a cable with an attached magnetorheological (MR) damper. The attention is focused on the analysis of amplitude dependent damping of a cable with an MR damper operating in passive and controlled modes. In the case of the passive system, damping characteristics are nonlinear and display relevant drawbacks of the system. ...
متن کاملImplementation of an Active Mass Damper to Control Vibrations in a “lively” Footbridge
This paper describes the work involving a real implementation of an active control system to reduce vibrations in a “lively” footbridge located at FEUP. This structure has some natural frequencies around 2Hz which can be easily excited by some pedestrian activities. Although the levels of vibration may not be considered excessive according to some design codes, this footbridge experiments regul...
متن کاملFuzzy Control of Seismic Structure with an Active Mass Damper
Fuzzy theory is highly promising for active structural control. The advantage of fuzzy controllers over classical controllers is the limited number of measured structural responses used to implement the control rules and its intrinsic robustness. In this paper, Fuzzy rules were generated firstly by learning from sample data obtained from the performance of the system under optimal control algor...
متن کاملZ-Damper: A New Paradigm for Attenuation of Vibrations
Magnetic linear gear provides a new and unique opportunity for coupling mechanical impedances and optimizing vibration damping. In the present paper a new magneto-mechanical vibration damper (the so-called Z-damper) is described. Its expected theoretical dynamic behavior shows a particularly high damping capability, a low frequency, as well as an optimal behavior for high frequencies.
متن کاملA Comparative Analysis of TLCD-Equipped Shear Buildings under Dynamic Loads
This study targets the behavior of shear buildings equipped with tuned liquid column dampers (TLCD) which attenuate dynamic load-induced vibrations. TLCDs are a passive damping system used in tall buildings. This kind of damper has proven to be very efficient, being an excellent alternative to mass dampers. A dynamic analysis of the structure-damper system was made using the software DynaPy, de...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IOP Conference Series: Earth and Environmental Science
سال: 2020
ISSN: 1755-1315
DOI: 10.1088/1755-1315/614/1/012070