Modeling for Rheological Properties of Magnetorheological Fluid & Estimation for Torque Characteristics of Fine Haptic Device

抄録

Magnetorheological fluid (MRF) actuators have been developed for fine haptic generators. In this study, we report a measurement and modeling method for the rheological properties of the MRFs for their optimal designs. Additionally, we estimated the torque characteristics of a fine haptic device using MRF. Two different MRFs were selected as tested samples. Firstly, the shear stresses of the MRFs were measured and their profiles were modeled with quadratic function of the magnetic flux densities. Next, these two MRFs were filled in a compact MRF clutch and their torque properties were measured and compared with the estimated values.