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Smart Structures and Systems Volume 34, Number 2, August 2024 , pages 87-96 DOI: https://doi.org/10.12989/sss.2024.34.2.087 |
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Design and fabrication of cost effective semi-active vehicular suspension system and testing on full scale quarter car suspension rig |
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N.P. Puneet, Radhe Shyam Tak Saini and Hemantha Kumar
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| Abstract | ||
| Smart materials, such as magnetorheological (MR) fluid, have received considerable research attention in recent years due to their unique capabilities. MR fluid, which possesses a magnetic field controllable viscosity, has been extensively studied for vehicular applications with the aim of synthesizing optimal MR fluids, designing optimal MR dampers, and developing control strategies. However, a comprehensive study that primarily focuses on developing a cost-effective semi-active suspension system for a commercial vehicle in a developing nation is still lacking. This study addresses this gap by synthesizing an in-house MR fluid and studying its rheological properties. Subsequently, a novel single-sensor-based controller is developed and closed-loop simulations are conducted on a quarter-car semi-active model. Finally, the overall semi-active quarter-car suspension system is experimentally tested using a suspension test rig. The performance of the proposed system in terms of ride comfort and road holding is evaluated and is compared with simple control strategies. The dynamic range of the developed semi-active MR damper is found to be around 2.3, indicating a significant MR effect. The results suggest an intermediate response using the proposed acceleration-driven controller (ADV) at lower frequencies and similar performance to that of the skyhook controller at higher frequencies. The cost-effective methodology proposed in this study is effective and can be adapted for other semi-active engineering applications. | ||
| Key Words | ||
| magneto-rheological fluid; MR damper; quarter car testing; rheology; single sensor system | ||
| Address | ||
| (1) N.P. Puneet: Department of Automobile Engineering, Dayananda Sagar College of Engineering, Bengaluru, 560111, India; (2) Radhe Shyam Tak Saini, Hemantha Kumar: Department of Mechanical Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru, 575025, India. | ||