Coupled Lateral-Vertical Dynamics of Rubber-Tired Automated Guideway Transit Vehicles With Random Guideway Inputs

[+] Author and Article Information
Y. K. Kwak

Department of Ordnance Engineering, Korea Military Academy, Seoul, Korea 713-55

C. C. Smith

Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712

J. Dyn. Sys., Meas., Control 102(2), 85-93 (Jun 01, 1980) (9 pages) doi:10.1115/1.3149601 History: Received August 11, 1978; Online July 21, 2009


A method is presented which permits the simulation of the coupled lateral-vertical rigid body vibration response of a rubber-tired automated guideway transit (AGT) vehicle subject to guideway random irregularities. A coupled lateral-vertical dynamic model is developed. The general motions are expressed by Euler angles and inertial displacements. Basic vehicle dynamic modes are determined. A predicted lateral acceleration spectrum of the linearized model using guideway surface profile models for inputs are compared with the measured lateral acceleration spectra and found to agree reasonably well in the lower frequency (below about 7 Hz) range. Good agreement was found to exist between the predicted and measured root mean square (rms) accelerations for a wider range of frequencies.

Copyright © 1980 by ASME
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