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Vibration control of the rotating machine geared drive system using linear actuators with the magneto-rheological fluid

Michajłowicz M., Konowrocki R., Szolc T.

Vibrations in Physical Systems

2012

Vol. 25

279--284

In this paper there is proposed a semi-active control technique based on the linear actuators with the magnetorheological fluid (MRF) connecting the drive system planetary gear housing with the immovable rigid support. Here, control damping torques are generated by means of the magneto-rheological fluid of adjustable viscosity. Such actuators can effectively suppress amplitudes of severe transient and steady-state rotational fluctuations of the gear housing position and in this way they are able to minimize dangerous oscillations of dynamic torques transmitted by successive shaft segments in the entire drive system. The general purpose of the considerations is to control torsional vibrations of the real power-station coal-pulverizer geared drive system driven by means of the asynchronous motor. The investigations have been carried out using the experimental test rig based on the real object, where the measurement results were compared with analogous theoretical ones obtained by the use of computer simulations.

Duże mosty przez Dniepr w Kijowie

Michajłowicz M., Karaś S.

Drogownictwo

2004

nr 1

18-27

Mosty w Kijowie mają swoistą historię. Ich konstrukcje są indywidualnymi rozwiązaniami ukraińskich inżynierów.