Simulation And Experimental Investigation On Magnetorheological Damper Characterization Using Sixth Order Polynomial Approached

Zulazrin, Ismail (2009) Simulation And Experimental Investigation On Magnetorheological Damper Characterization Using Sixth Order Polynomial Approached. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

A study on this research is about simulation and experimental investigation on magnetorheological damper characterization using sixth order polynomial approached. Magnetorheological (MR) damper uses a kind of smart material which react with magnetic field namely magnetorheological fluid (MR Fluid). In this study, characterization of MR damper has been carried in different current based on forcevelocity and force-displacement graph and it was validated with experimental result. The polynomial approached was used to get the nonlinear hysteresis behavior of MR Damper. Every coefficient ai for current domain 0.25A until 2.0A gives the equation itself. So every coefficient ai for current domain had been collected and became only one equation. Then, the sixth order polynomial model compared with inverse model to capture the difference of experimental result. Inverse model is not adequately captured the nonlinear hysteresis although the trend of its force versus velocity is still same with experimental result. Proposed polynomial model has best fit with experimental result and its curve closely same with experimental result.

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