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All Journal International Journal of Advances in Applied Sciences Indonesian Journal of Electrical Engineering and Computer Science
Mohd Khair Hassan
Universiti Putra Malaysia
Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Physics

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Vibration control of FSAE quarter car suspension test rig using magnetorheological damper Muhammad Adhar Bagus; Azizan As’arry; Hesham Ahmed Abdul Mutaleb Abas; Abdul Aziz Hairuddin; Mohd Khair Hassan
Indonesian Journal of Electrical Engineering and Computer Science Vol 17, No 3: March 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v17.i3.pp1281-1288

Abstract

Recently MRF damper -which has a significant controllable damping force - used frequently in many active and semi-active suspension systems. However, MRF damper needs controller to estimate the desired force to dissipate the occurred vibration instantaneously. PID controller is one of the effective feedback controllers which shows robustness and simplicity in control MRF dampers, but still the parameters of the PID controller under study to find out the optimum values. This study focused on the vibration control using Magneto-rheological (MR) damper on a FSAE quarter car suspension test rig to study and obtain the optimum running condition. The test rig was designed, modified and then tested using a P-controller integrated with MR damper, unbalance mass used as disturbance and analyzed using LABVIEW software in time and frequency domains. The natural frequency obtained was 2.2 Hz were similar to the actual FSAE car natural frequency. Based on the acceleration against time graph with different proportional gain value the optimal value for proportional gain, Kp was 1. Hence, the experiment work could be used as the initial stage to study and develop a robust controller to suppress vibration on a car.
Improving ride comfort of semi-active suspension with magnetorheological damper by fuzzy-PID control Zhang Kunlun; Azizan As’arry; Liucun Zhu; Abdul Aziz Hairuddin; Mohd Khair Hassan; Mohd Zarhamdy Md Zain
International Journal of Advances in Applied Sciences Vol 15, No 3: September 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v15.i3.pp1038-1049

Abstract

Semi-active suspension using magnetorheological (MR) damper has become one of the popular choices for improving vehicle ride comfort due to its adjustable damping, affordable cost, and quick response. MR damper has highly nonlinear and obvious hysteresis behavior, so its control becomes complicated. Fuzzy control combined with proportional-integral-derivative (PID) controller is used to study the vibration reduction control strategy of semi-active suspension with MR damper. PID is highly robust, but the control parameters cannot be changed during the control process. Therefore, it has good adjustment ability for specific situations, but cannot effectively adjust nonlinear systems. Fuzzy control performs fuzzy inference based on input variables and fuzzy rules constructed from expert knowledge, and continuously outputs effective control parameters to adjust nonlinear systems. The advantages of both are used to construct fuzzy-PID controller to control MR damper. A quarter-car semi-active suspension with MR damper model is established using MATLAB/Simulink for simulation analysis. Compared with passive and PID, fuzzy-PID reduces the root mean square (RMS) values of body acceleration, suspension travel, and tire deflection, reduces body vibration, and improves ride comfort.
Co-Authors Abdul Aziz Hairuddin Azizan As’arry Hesham Ahmed Abdul Mutaleb Abas Liucun Zhu Mohd Zarhamdy Md Zain Muhammad Adhar Bagus Zhang Kunlun