Recently, very attractive and effective semi-active suspension featuring electro-rheological fluid dampers (ER dampers) has been proposed by many investigators for vibration control of a vehicle system. As evident from these previous studies, ER dampers proposed so far are cylindrical types consisting of a flow duct between inner and outer electrodes. This type of ER damper has a simple mechanism and hence one can easily analyze field-dependent damping forces. However, in order to achieve an acceptable damping force required for a passenger vehicle an advanced ER fluid, which has relatively high-field-dependent yield stress (about 2.5 kPa at 5 kV/mm), needs to be used for the cylindrical ER damper. Currently, there exist a couple of commercially available ER fluids, which can produce the demanded damping forces. But, those ER fluids are very expensive. Consequently, it is necessary to devise a new type of ER damper whose damping force is much less sensitive to the yield stress of ER fluid. This work presents a novel type of ER damper and applies it to a semi-active suspension of a passenger vehicle in order to achieve effective vibration control. The proposed ER damper has flow orifices controlled by the intensity of electric field as well as piston motion (orifice-type ER damper in short). Thus, the damping force of the proposed ER damper is less sensitive to the field-dependent yield stress of ER fluid than that of a cylindrical ER damper. After manufacturing the orifice type of ER damper on the basis of a theoretical model, field-dependent damping forces are evaluated. The proposed ER damper is then incorporated with a full-car model in order to evaluate suspension performance. Vibration control responses of the semi-active suspension system under bump and random road profiles are investigated by employing an optimal controller.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Vibration control of semi-active suspension featuring electrorheological fluid dampers


    Weitere Titelangaben:

    Die elektrorheologischen Fluiddämpfern ähnlichen Schwingungsdämpfungseigenschaften einer semi-aktiven Suspension


    Beteiligte:
    Choi, S.B. (Autor:in) / Kim, W.K. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2000


    Format / Umfang :

    10 Seiten, 7 Bilder, 5 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch






    Semiactive Vibration Suppression with Electrorheological-Fluid Dampers

    Junjiro Onoda / Hyun-Ung Oh / Kenji Minesugi | AIAA | 1997


    Semiactive vibration suppression with electrorheological-fluid dampers

    Onoda, J. / Oh, H.U. / Minesugi, K. | Tema Archiv | 1997


    Preview type electrorheological semi-active suspension control system

    HAN JIAWEI / ZHENG HONGYU / ZONG CHANGFU et al. | Europäisches Patentamt | 2023

    Freier Zugriff