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  4. Active vibration control of an oscillator with two translational degrees of freedom using centrifugal forces created by two eccentrically rotating masses
 
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Active vibration control of an oscillator with two translational degrees of freedom using centrifugal forces created by two eccentrically rotating masses

Publikationstyp
Journal Article
Date Issued
2018-03-01
Sprache
English
Author(s)
Bäumer, Richard  
Starossek, Uwe 
Institut
Baustatik B-4  
TORE-URI
http://hdl.handle.net/11420/2653
Journal
International journal of dynamics and control  
Volume
6
Issue
1
Start Page
284
End Page
299
Citation
International Journal of Dynamics and Control 1 (6): 284-299 (2018-03-01)
Publisher DOI
10.1007/s40435-016-0280-8
Scopus ID
2-s2.0-85042165303
An active mass damper for vibration control of an oscillator with two translational degrees of freedom is presented along with the corresponding closed-loop control algorithm. The damper consists of two eccentrically rotating masses. In a preferred mode of operation, the masses rotate in opposite directions with a mostly constant angular velocity about a single axis. The resulting force is a harmonic control force. Its direction is determined by the relative angular position of the masses. In previous research, a similar control algorithm for vibration control of a single degree of freedom oscillator has been proven to be effective. In this paper, the control algorithm is augmented such that it can be applied to an oscillator with two translational degrees of freedom. Various state variables are introduced and a feedback control algorithm is developed. The presented algorithm ensures that the rotational motion of the masses is smooth and that the control force has the required orientation. The algorithm is verified experimentally with a test setup for the damping of free vibrations and numerically for stochastically forced vibrations. Finally, the device is compared with a conventional active mass damper. It is shown that the power demand and the energy consumption of the presented device are smaller than those of the conventional active mass damper.
Funding(s)
Aktive Schwingungskontrolle  
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