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Hysteresis identification of polymethylaniline-based ER fluid using Preisach model
AbstractThis paper presents the identification of field-dependent hysteresis in an electrorheological (ER) fluid using the Preisach model. As a first step, polymethylaniline (PMA) particles are prepared and mixed with silicone oil to make an ER fluid. A Couette type electroviscometer is then employed to obtain the field-dependent shear stress. In order to show the suitability of the Preisach model to represent a physical hysteresis phenomenon of the ER fluid, two significant properties namely the minor loop property and the wiping-out property, are experimentally examined. Subsequently, the Preisach model for the PMA-based ER fluid is identified using experimental first order descending (FOD) curves. The effectiveness of the identified hysteresis model is verified in the time domain by comparing the predicted field-dependent shear stress with the measured one. In addition, the hysteresis model proposed in this work is compared to the Bingham model.
Hysteresis identification of polymethylaniline-based ER fluid using Preisach model
AbstractThis paper presents the identification of field-dependent hysteresis in an electrorheological (ER) fluid using the Preisach model. As a first step, polymethylaniline (PMA) particles are prepared and mixed with silicone oil to make an ER fluid. A Couette type electroviscometer is then employed to obtain the field-dependent shear stress. In order to show the suitability of the Preisach model to represent a physical hysteresis phenomenon of the ER fluid, two significant properties namely the minor loop property and the wiping-out property, are experimentally examined. Subsequently, the Preisach model for the PMA-based ER fluid is identified using experimental first order descending (FOD) curves. The effectiveness of the identified hysteresis model is verified in the time domain by comparing the predicted field-dependent shear stress with the measured one. In addition, the hysteresis model proposed in this work is compared to the Bingham model.
Hysteresis identification of polymethylaniline-based ER fluid using Preisach model
2002-09-19
9 pages
Article (Journal)
Electronic Resource
English
Hysteresis identification of polymethylaniline-based ER fluid using Preisach model
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