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Ride Comfort Evaluation of Horizontal Vibration in Tractor-Trailer Considering Human Body Motion of Driver Hino Motors, Limited
- Format:
- Conference/Event
- Author/Creator:
- Hirose, Hirose, author.
- Conference Name:
- SAE 2013 World Congress & Exhibition (2013-04-16 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2013
- Summary:
- In a tractor-trailer, ride comfort affected by horizontal human body motions, so called "wavy" and "shaky" feelings, is at issue. Insight about "wavy" and "shaky" feelings which is important for efficient vehicle development is not enough. Experiments using 6-axis motion generator and motion capture and inverse-analysis using multi-body human model indicated the characteristics of each feeling. Motion observation and transfer function indicated that while a bad subjective score of "wavy" feeling corresponds to same-phase roll motion of chest and pelvis up to 0.7Hz, "shaky" correlates to an antiphase of them around 2Hz. By multiple regression, dominant vibration components of the human body and the vehicle to subjective evaluation of the feelings above were identified. Explanatory variables for the "wavy" feeling are roll rate and lateral jerk and those for the "shaky" are lateral acceleration and longitudinal acceleration. Determination coefficients R2 are 0.713 for the "wavy" and 0.774 for the "shaky" feelings. From these results, quantitative evaluation of ride comfort at the planning phase became possible
- Notes:
- Vendor supplied data
- Publisher Number:
- 2013-01-0992
- Access Restriction:
- Restricted for use by site license
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