Analyzing quarter car model with Magneto-Rheological (MR) damper using equivalent damping and Magic formula models

被引:8
作者
Jamadar, Mohibb-e-Hussain [1 ]
Desai, Rangaraj M. [1 ]
Kumar, Hemantha [1 ]
Joladarashi, Sharnappa [1 ]
机构
[1] Natl Inst Technol Karnataka, Dept Mech Engn, Surathkal 575025, Mangaluru, India
关键词
Magneto-rheological fluid; Equivalent damping; Magic formula; Quarter car model;
D O I
10.1016/j.matpr.2021.02.706
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Mathematical modelling of Magneto-Rheological (MR) damper has been an intriguing field of research ever since the invention of the device itself. An accurate model of MR damper results in development of an efficient controller fora semi-active system with MR damper. Hence, a number of models have been put forward to accurately predict the MR damper behavior. One of these models is Magic formula model. Based on the famous Magic formula used in tire force calculation, this model can be used for representing the peak damper force vs damper piston velocity amplitude graph. This model was later modified to cap-ture the force displacement diagram of MR damper. The former model is denoted as Magic Formula Model-1 (MFM-1) and the latter one is denoted as Magic Formula Model-2 (MFM-2) here onwards. In the current study a commercial MR damper has been tested for various piston velocities and currents. The equivalent damping coefficient is then calculated for the tested conditions. The equivalent damping coefficients are used for analyzing a quarter car model. Two quarter car models with MR damper are sim-ulated, one uses MFM-1 for MR damper and the other uses MFM-2. All the quarter car models are sub-jected to single pulse input and the sprung mass response is measured in terms of displacement. The RMS error between the response of quarter car model with equivalent damping and quarter car models with MR damper is used to determine the performance of each mathematical model. The study revealed that MFM-1 represents the MR damper behavior more accurate than that of MFM-2. (c) 2019 Elsevier Ltd. Selection and Peer-review under responsibility of the scientific committee of the International Mechan-ical Engineering Congress 2019: Materials Science.
引用
收藏
页码:9944 / 9949
页数:6
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