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A Classification of Sitting Strategies based on Driving Posture Analysis
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 Title & Authors
A Classification of Sitting Strategies based on Driving Posture Analysis
Park, Jangwoon; Choi, Younggeun; Lee, Baekhee; Jung, Kihyo; Sah, Sungjin; You, Heecheon;
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Objective: The present study is intended to objectively classify upper- & lower-body sitting strategies and identify the effects of gender and OPL type on the sitting strategies. Background: A sitting strategy which statistically represents comfortable driving posture can be used as a reference posture of a humanoid in virtual design and evaluation of a driver`s seat. Although previous research has classified sitting strategies for driving postures in various occupant package layout (OPL) types, the existing classification methods are not objective and the factors affecting sitting strategies have not been identified. Method: Forty drivers` preferred driving postures in three different OPL types (coupe, sedan, and SUV) were measured by a motion capture system. Next, the measured driving postures were classified by K-means cluster method. Results: Sitting strategies of upper-body were classified as erect (33%), slouched (41%), and reclined (26%) postures, and those of lower-body were classified as knee bent (42%), knee extended (32%), and upper-leg lifted (26%) postures. Significant differences at
Sitting strategy;Driving posture;Occupant package layout;Motion capture system;
 Cited by
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