Abstract
Two passenger cars were driven at several speeds over several road profiles to evaluate the subjective ratings of steering wheel vibration. A 3-axis translational accelerometer was mounted on the steering wheel to measure the acceleration signal transmitted to the hands. Correlations were determined between the measured accelerations and the subjective ratings of 4 expert drivers and 10 general drivers by using Stevens’ power law. The subjective ratings were found to be more highly correlated with the r.m.q. (root mean quad) values of the frequency-weighted acceleration than the r.m.s. (root mean square) values of the frequency-weighted acceleration. Also, the maximum values of r.m.q. (i.e., the component values in the dominant axis) had the highest correlation with the subjective ratings.
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This paper was recommended for publication in revised form by Editor Yeon June Kang
Wan-Suk Yoo received his B.S. degree from Seoul National University in 1976, M.S. from KAIST in 1978 and Ph.D. from University of Iowa in 1985. He is currently a Professor at the School of Mechanical Engineering in Pusan National University, and currently serving as a president in KSME. His main interests are flexible multibody dynamics and vehicle dynamics.
Sang-Do Na received his B.S. and M.S. degrees from Pusan National University in 2009 and 2011, respectively. He is currently a graduate student for Ph.D. in Pusan National University. His research interest is vehicle dynamics.
Min-Seok Kim received his B.S., M.S. and Ph.D. degrees from Pusan National University in 2003, 2005 and 2010, respectively. He is currently a full time research engineer at Research Institute of Mechanical Technology in Pusan National University. His research interests are human vibration and multibody dynamics.
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Yoo, WS., Na, SD. & Kim, MS. Relationship between subjective and objective evaluations of steering wheel vibration. J Mech Sci Technol 25, 1695–1701 (2011). https://doi.org/10.1007/s12206-011-0420-1
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DOI: https://doi.org/10.1007/s12206-011-0420-1