Various methods for evaluating ride quality in automobiles are investigated by means of a field study involving two different automobiles, seventy-eight different passengers, and eighteen different raodway sections. Passenger rating panels were used to obtain subjective evaluation of the various rides, and measured vibration spectra were examined on the basis of various frequency weighting techniques to determine their ability to predict the subjective ratings. Included in the evaluation criteria considered are weighting functions derived from the ISO (International Standards Organization) Standard, the UTACV (Urban Tracked Air Cushion Vehicle) Specification, and the Absorbed Power method of Lee and Pradko. Excellent correlation was found to exist between the subjective ride ratings and simple root mean square acceleration measurements at either the vehicle floorboard or the passenger/seat interface. Equations are presented to predict the subjective ride rating from measured vibration spectra.
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March 1978
Research Papers
The Prediction of Passenger Riding Comfort From Acceleration Data Available to Purchase
C. C. Smith,
C. C. Smith
Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas
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D. Y. McGehee,
D. Y. McGehee
Halliburton Services, Duncan, Okla.
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A. J. Healey
A. J. Healey
Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas
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C. C. Smith
Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas
D. Y. McGehee
Halliburton Services, Duncan, Okla.
A. J. Healey
Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas
J. Dyn. Sys., Meas., Control. Mar 1978, 100(1): 34-41 (8 pages)
Published Online: March 1, 1978
Article history
Received:
August 1, 1977
Revised:
January 30, 1978
Online:
July 13, 2010
Citation
Smith, C. C., McGehee, D. Y., and Healey, A. J. (March 1, 1978). "The Prediction of Passenger Riding Comfort From Acceleration Data." ASME. J. Dyn. Sys., Meas., Control. March 1978; 100(1): 34–41. https://doi.org/10.1115/1.3426338
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