A method is presented which permits the simulation of the coupled vertical and lateral rigid body vibration response of an automobile to roadway roughness inputs. A set of equations in matrix form is obtained for an assumed ten degree-of-freedom mathematical model of the vehicle-tire system using generalized linear and Euler angle coordinates. Kinematic relations for a rolling tire which treat it as an elastically supported string under tension are incorporated into the overall system model. Forces and moments that act in the tire-roadway contact interface are represented mathematically as a function of the parameters and response variables of the vehicle system. The nonlinear system equations are subsequently simplified in order to apply them to a vehicle moving along a straight roadway. The formulated model is shown to be adequate for predicting acceleration response in a frequency range of 0.1–10 Hz for the set of roadway test roadway sections considered in the present study.
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December 1978
Research Papers
Coupled Vertical-Lateral Dynamics of a Pneumatic Tired Vehicle: Part I—A Mathematical Model
N. S. Nathoo,
N. S. Nathoo
Shell Development Company, Houston, Texas
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A. J. Healey
A. J. Healey
The University of Texas at Austin, Austin, Texas
Search for other works by this author on:
N. S. Nathoo
Shell Development Company, Houston, Texas
A. J. Healey
The University of Texas at Austin, Austin, Texas
J. Dyn. Sys., Meas., Control. Dec 1978, 100(4): 311-318 (8 pages)
Published Online: December 1, 1978
Article history
Received:
September 18, 1978
Online:
July 13, 2010
Citation
Nathoo, N. S., and Healey, A. J. (December 1, 1978). "Coupled Vertical-Lateral Dynamics of a Pneumatic Tired Vehicle: Part I—A Mathematical Model." ASME. J. Dyn. Sys., Meas., Control. December 1978; 100(4): 311–318. https://doi.org/10.1115/1.3426383
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