Theoretical and experimental aspects of optimal designing of dynamic vibration absorbers – rotating machines system

Significant issue in the development of modern machines is the reduction of vibration. Dynamic vibration absorbers are widely used to reduce vibration and noise levels in vehicle cabs, to reduce vibration of rotating machines, to reduce vibration amplitudes of various towers and structures and the like. Along with dynamic vibration absorbers tuned to the resonant frequency of the main design, DVAs used to reduce vibration in a given narrow frequency range are widely applied. These are, for example, turbo-generators, gas compressor units, pumps and other rotating machines with a standard speed over a period of exploitation time. Vibration in such machines is narrow-frequency and is caused by imbalances of rotating element