Temat: tłumienie półaktywne - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Dynamics control of an autoparametric system with the spherical pendulum using mr damper
Autorzy:: Sado, D.
Freundlich, J.
Powiązania:: https://bibliotekanauki.pl/articles/128181.pdf
Data publikacji:: 2018
Wydawca:: Politechnika Poznańska. Instytut Mechaniki Stosowanej
Tematy:: spherical pendulum
energy transfer
semiactive damping
chaos
wahadło sferyczne
przesył energii
tłumienie półaktywne
Opis:: Dynamic properties of the three degrees of freedom autoparametric system with spherical pendulum including the magnetorheological (MR) damper are investigated. It was assumed that the spherical pendulum is suspended to the oscillator excited harmonically in the vertical direction. The influence of damping force described by Bingham’s model on the energy transfer can be modified by magnetic field. The equation of motion have been solved numerically. In this type system one mode of vibration may excite or damp another one, and for except different kinds of periodic vibrations there may also appear chaotic vibration. Results show that MR damper can be used to change the dynamic behavior of the autoparametric system with spherical pendulum giving semiactive control possibilities.
Źródło:: Vibrations in Physical Systems; 2018, 29; 1-8
0860-6897
Pojawia się w:: Vibrations in Physical Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Semi-active suboptimal control strategy applied to periodically vibrating mechanical systems
Autorzy:: Miachajłow, M.
Szolc, T.
Powiązania:: https://bibliotekanauki.pl/articles/31343112.pdf
Data publikacji:: 2013
Wydawca:: Instytut Podstawowych Problemów Techniki PAN
Tematy:: vibrations
semi-active damping
optimal control
magnethorheological damper
drgania
tłumienie półaktywne
kontrola optymalna
tłumik magnetoreologiczny
Opis:: The aim of this paper is to present the new method for obtaining the semi-active suboptimal control strategy, used for the purpose of vibration reduction in mechanical systems. The method is dedicated to systems where vibrations are of a periodic type. Generally, many semi-active control strategies have been developed up to date, but it seems that none of them are applied directly to the problem of mechanical systems suffering from disadvantageous, periodical vibrations. Probably, the reason why there were no such attempts in the past is that the semi-active vibration damping methods most often were used in situations where systems experience a finite time transient excitation, like for example seismic activity. In a case of systems experiencing repeatable (periodic), steady-state vibrations, such as machines or vehicles working at their nominal conditions, the common approach was to use the passive methods rather than the semi-active ones. This situation is changing nowadays and attempts of using semi-active methods to attenuate the disadvantageous steady state vibrations in machines and vehicles are becoming more common and successful. Therefore, there has been observed a surge in developing of the general purpose methods for determination of the optimal control strategies for such applications. The described method aspires to be the one of possible alternatives.
Źródło:: IPPT Reports on Fundamental Technological Research; 2013, 4; 31-36
2299-3657
Pojawia się w:: IPPT Reports on Fundamental Technological Research
Dostawca treści:: Biblioteka Nauki

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