Influence of response time of magnetorheological valve in Skyhook controlled three-parameter damping system
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A three-parameter suspension system is often used for vibration isolation of sensitive devices especially in a space industry. This article describes the three-parameter suspension system with magnetorheological valve controlled by Skyhook algorithm. Simulations of such systems showed promising results. They, however, showed that the suspension performance is strongly influenced by magnetorheological valve response time. Results from simulations proved that the semiactive control of such system with response time of magnetorheological damper up to 4 ms outperforms any passive setting. The simulations were verified by an experiment on suspension system with magnetorheological valve with response time between 3.5 and 4.1 ms controlled by a Skyhook algorithm. Although the control algorithm was slightly modified in order to prevent instabilities of control loop caused by signal noise, the results from the experiment showed the same trends like the simulations.
KeywordsMagnetorheological valve, three-parameter system, fast response, Skyhook, semiactive damping
Document typePeer reviewed
Document versionFinal PDF
SourceAdvances in Mechanical Engineering. 2018, vol. 10, issue 11, p. 1-8.
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