In this paper, a nonlinear full car model considering the nonlinear and hysteretic characteristics of the shock absorber is developed. An approach to integrate the hybrid shock absorber model into the vehicle model using system identification techniques is then presented. To validate the approach, parameter identification of the nominal linear full car model and parameter identification of the full car model with nonlinear/hysteresis shock absorber force input are compared. The target vehicle is tested on an MTS Systems Corporation tire-coupled 4-post road simulator and the experimental data validate the system identification methods proposed in this paper.
Vehicle Parameter Identification for Vertical Dynamics
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received November 2, 2012; final manuscript received August 22, 2014; published online October 3, 2014. Assoc. Editor: May-Win L. Thein.
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Cui, Y., and Kurfess, T. R. (October 3, 2014). "Vehicle Parameter Identification for Vertical Dynamics." ASME. J. Dyn. Sys., Meas., Control. February 2015; 137(2): 021013. https://doi.org/10.1115/1.4028451
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