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International Journal of Automotive Technology > Volume 9(4); 2008 > Article
International Journal of Automotive Technology 2008;9(4): 473-481.
LINKS BETWEEN SUBJECTIVE AND OBJECTIVE EVALUATIONS REGARDING THE STEERING CHARACTER OF AUTOMOBILES
A. K. ZSCHOCKE1, A. ALBERS2
1University of Karlsruhe (TH)
2Germany
ABSTRACT
ns in typical traffic situations. Results are extracted from a stationary test (the Slowly Increasing Steer Test), and a dynamical test (the Frequency Response Test). The subjective measurements are obtained from drivers on a rural road course via a questionnaire, which was developed to separately investigate the quantity level perception, the so-called “Niveau”, and the more qualitative “Liking”. These subjective “measurements” are embedded into a two-channel definition of “Steering Comfort” as a genus for “Steering Discomfort” and “Character”. The article concentrates on developing a statistical method for the consideration of correlations amongst the subjective/objective data. In doing so, the variance in example subjective Niveau ratings can be significantly explained by several objective quantities. Indicators for co-domains of validated discomfort characteristics and hints for endeavouring character Liking ranges are detected.
Key Words: Steering character, Steering feel, Subjective-objective correlation, Vehicle dynamics open-loop test
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