Double adjustable shock absorbers allow for independent adjustment of the yield force and post-yield damping in the force versus velocity response. To emulate the performance of a conventional double adjustable shock absorber, an electrorheological (ER) and magnetorheological (MR) automotive shock absorber were designed and fabricated at the University of Maryland. For the ER shock absorber, an applied electric field between two tubular electrodes, located in the piston head, increases the force required for a given piston rod velocity. For the MR shock absorber, an applied magnetic field between the core and flux return increases the force required for a given piston rod velocity. For each shock absorber, two different shaped gaps meet the controllable performance requirements of a double adjustable shock absorber. A uniform gap allows for control of the yield force of the shock absorber, while a non-uniform gap allows for control of the post-yield damping. Force measurements from sinusoidal displacement cycles, recorded on a mechanical damper dynamometer, validate the performance of uniform and non-uniform gaps for adjustment of the yield force and post-yield damping, respectively.


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    Title :

    Double adjustable shock absorbers utilizing electrorheological and magnetorheological fluids


    Additional title:

    Zweifach einstellbare Stoßdämpfer mit elektrorheologischen und magnetorheologischen Flüssigkeiten


    Contributors:
    Lindler, J.E. (author) / Choi, Y.T. (author) / Wereley, N.M. (author)

    Published in:

    Publication date :

    2003


    Size :

    18 Seiten, 14 Bilder, 7 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Double adjustable shock absorbers utilizing electrorheological and magnetorheological fluids

    Lindler,J.E. / Choi,Y.T. / Wereley,N.M. et al. | Automotive engineering | 2003



    Double Adjustable Shock Absorbers Utilizing Electrorhelogical and Magnetorheological Fluids

    Lindler, J. E. / Wereley, N. M. | British Library Online Contents | 2000


    Design and experiment of shock absorbers employing electrorheological fluids

    Wei,C.G. / Fu,Z. / Beijing Inst.of Technol.,CN | Automotive engineering | 1994


    Design and Experiment of Shock Absorbers Employing Electrorheological Fluids

    Wei, C. G. / Fu, Z. / Society of Automotive Engineers of China | British Library Conference Proceedings | 1994