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Research Papers

Tire Damping Effect on Ride Quality of Vehicles With Active Control Suspensions

[+] Author and Article Information
Junghsen Lieh

Mechanical and Materials Engineering, Wright State University, Dayton, OH 45435junghsen.lieh@wright.edu

J. Vib. Acoust 131(3), 031011 (Apr 23, 2009) (6 pages) doi:10.1115/1.3085878 History: Received July 06, 2006; Revised October 22, 2007; Published April 23, 2009

This paper studies the tire damping effect on the ride performance of a vehicle equipped with active suspension. Instead of first-order equation, a second-order approach is used for controller design. Both full-state and velocity-feedback concepts are considered in the system. Although a different control algorithm is used, however, simulation results are found similar to those obtained by previous research, which verifies the positive effect of tire damping on improving ride quality.

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Copyright © 2009 by American Society of Mechanical Engineers
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Figures

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Figure 1

Quarter-car model

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Figure 2

Comparison of passive, full-state, and velocity-feedback active suspensions without tire damping

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Figure 3

Tire damping effect on full-state active suspension

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Figure 4

Tire damping effect on velocity-feedback active suspension

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Figure 5

The effect of tire damping on active suspensions

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