Semi-Active Vibration Control of a Quarter Car Model Using MR Damper
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The document discusses a semi-active vibration control method for a quarter car model utilizing magnetorheological (MR) fluid dampers, highlighting the advantages over conventional damping systems. It includes a methodology for modeling, simulation results comparing conventional and MR dampers, and concludes that MR dampers provide improved performance. Various references are cited to support the research and development of this dampening technique.
Semi-Active Vibration Control of a Quarter Car Model Using MR Damper
- 1. Semi Active Vibration Control of Quarter Car Model Using Magnetorheological Fluid Damper
- 2. Introduction • Types of suspension system 1. Passive System 2. Active System 3. Semi-Active System
- 3. What is MR Fluid? • Fluid suspended with ferrous particles • Damping force is proportional to the applied magnetic field • Same efficiency as that of active system consuming less power
- 4. Methodology • Quarter car modeling
- 5. • Where m1= 250 kg, m2 = 1300 kg, K = 650000 N/m, C = 800 Ns/m, k = 110000 N/m • To calculate Frh: 1. Conventional Damper Where c = 6000 Ns/m
- 6. 2. MR damper For calculating the damping force exerted by MR damper we have used Bouc Wen Model
- 7. c0 =5300 Ns/m, c1 = 93000 Ns/m, k0 = 1400 N/m, k1 = 540 N/m, α = 96300 N/m, β = 2000000 m-2, γ = 2000000 m-2, n = 2, δ = 207, x0 = 0
- 8. Conventional System Simulink Model
- 9. MR Damper Simulink Model
- 11. Sprung Mass Displacement Conventional MR Damper
- 12. Sprung Mass Velocity Conventional MR Damper
- 13. Unsprung Mass Displacement Conventional MR Damper
- 14. Unsprung Mass Velocity Conventional MR Damper
- 15. Conclusion • This paper presents a new approach of controlling the response of a quarter car vehicle model traversing a rough road with semi-active MR damper suspensions. • The MR damper performance is sought to be better as compared to the conventional passive damper system.
- 16. References 1. S.B.Choi ,S.K.Lee ,Y.P.Park ,A hysteresis model for the field dependent damping force of a magnetorheological damper, Journal of Sound and Vibration 245 (2) (2001) 375–383. 2. Karnopp D, Crosby MJ, Farwood RA. Vibration control using semi-active force generators. ASME J Eng Ind 1974;96(2):619–26. 3. R. S. Prabhakar, C. Sujatha and S. Narayanan, “Response of a quarter car model with optimal magnetorheological damper parameters,” Journal of Sound and Vibration, vol. 332, pp. 2191-2206, 2013. 4. M.Ahmadian, C.A.Pare, A quarter-car experimental analysis of alternative semiactive control methods, Journal of Intelligent Material Systems and Structures 11 (8) (2000) 604–612. 5. G.Z. Yao, F.F. Yap, G. Chen, W.H. Li, S.H. Yeo, MR damper and its application for semi-active control of vehicle suspension system, Mechatronics 12 (2002) 963–973. 6. K. Yi and B. S. Song, “A new adaptive sky-hook control of vehicle semi-active suspensions,” in Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, vol. 213 (3), pp. 293-303, 1999. 7. T. Butz and O. Von Stryk, “Modelling and simulation of electro and magnetorheological fluid dampers,” Journal of Applied Mathematics and Mechanics 82 (1), pp. 3-20, 2002.