Abstract
This study focuses on vibration control and presents an innovative hybrid shock absorber with variable damping and stiffness. The simultaneous control over damping and stiffness is achieved using the Magnetorheological (MR) fluid and MR elastomer, respectively. A mathematical and Simulink model is developed by adding the four-parametric fluid model with the Bouc-Wen model. Two different road profiles, circular bump road and trapezoidal bump road profiles, are considered to analyze the performance of vibration absorbers. The compared results show the superiority of the proposed isolator over the passive system and reveal that the vehicle stability is improved by 87.5% to 92% and ride comfort is improved by 84.85% to 85.99% for circular and trapezoidal bump road profiles, respectively.
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