Modeling of a magneto-rheological (MR) fluid damper using a self tuning fuzzy mechanism

Magneto-Rheological Damper Modelling

A comparative analysis of different models of a Magneto-Rheological (MR) damper was done. Three models were tested: a non-linear ARX, a semi-phenomenological and a phenomenological. Although the non-linear ARX model shown the best result, this is a black-box model with limited use. However, the Semi-Phenomenological model represented an excellent option considering the physical meaning of its p...

Response of a Magneto-Rheological Fluid Damper Subjected to Periodic Forcing in a High Frequency Limit

We explored vibrations of a single-degree of freedom oscillator with a magnetorheological damper subjected to kinematic excitations. Using fast and slow scales decoupling procedure we derived an effective damping coefficient in the limit of high frequency excitation. Damping characteristics, as functions of velocity, change considerably especially by terminating the singular non-smoothness poin...

A new adaptive fuzzy-hybrid control strategy of semi-active suspension with magneto-rheological damper

This paper presents the design and analysis of a new adaptive fuzzy (AF) logic and hybrid (skyhook plus groundhook) control technique applied to a semi-active suspension system of a quarter car mode. The hybrid control is applied because of its very good performance in ride comfort and road handling. Meanwhile, Fuzzy adaptive system is suitable for analysis of stability with non-linear performa...

Structural Control of a Small-scale Test-bed Shaker Structure Using a Sponge-type Magneto-rheological Fluid Damper

Development of a Semi-active Car Suspension Control System Using Magneto-rheological Damper Model

In this paper, the development of a semiactive suspension control of quarter car model using fuzzy-based controller has been done. The quarter car model to be used here can be described as a nonlinear two degrees of freedom system which is subject to excitation from different road profile. The semi-active control is designed as the fuzzy control inferred by using two single input rule fuzzy mod...