A Study on the Assessment of Driver's Fatigue

Park, Se Jin; Kim, Sun Woong; Kim, Chul Jung; Kwon, Kyu Sik

doi:10.4271/2002-01-0784

Cited by 4 publications

(1 citation statement)

References 6 publications

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“…Park et al22 ) analyzed fatigue from long driving and discovered that an open driving posture less fatigue than a closed one. As expected, the lumbar vertebrae experience the greatest fatigue.…”

Section: Discussionmentioning

confidence: 99%

Maximal Torque and Muscle Strength is Affected by Seat Distance from the Steering Wheel when Driving

Yoo

Lee

et al. 2013

J Phys Ther Sci

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[Purpose] This research analyzed how seat distance and gender affect maximal torque and muscle strength when driving to present base data for the optimal driving posture. [Subjects and Methods] The subjects were 27 college students in their 20's, 15 males and 12 females. After had been measured, the subjects sat in front of a steering wheel with the distance between the steering wheel and the seat set in turns. at 50, 70, and 90% their arm length, and the maximal torque and muscle strength were measured. [Results] Both the maximal torque and muscle strength were found to be greater in male subjects than female subjects whether they turned the steering wheel clockwise or counterclockwise. The difference was big enough to be statistically significant. Maximal torque was greatest when the seat distance was 50% of arm length, whether turning the steering wheel clockwise or counterclockwise. There were statistically significant differences in maximal torque between seat distances of 50 and 70% and 90% of the arm length. Muscle strength, in contrast, was found to be the greatest at a seat distance of 70% of arm length. [Conclusion] We conclude that greater torque can be obtained when the steering wheel is nearer the seat while greater muscle strength can be obtained when the seat distance from the steering wheel is 70% of the arm length.

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Section: Discussionmentioning

confidence: 99%

Maximal Torque and Muscle Strength is Affected by Seat Distance from the Steering Wheel when Driving

Yoo

Lee

et al. 2013

J Phys Ther Sci

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Muscle Contraction During Maneuvering Steering Wheel Using Surface Electromyograpyhy

Darliana

Baba

Did

et al. 2020

MJPHM

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Driving posture is one of the factors that need to be emphasized in ensuring driver’s comfort and to avoid road accidents and injuries. Meanwhile, fatigue has a strong relationship with comfortable posture and it contributes 15.7% of the total road accidents in Malaysia. Fatigue can reduce driving concentration and performances, thus increases the risk of road accidents and injuries. In order to determine the driver’s comfort, this study had measured muscle contraction using the objective measurement for comfortable and optimum driving posture angles. The equipment used for conducting objective measurement on 14 respondents was sEMG. The researcher had used sEMG equipment to evaluate muscles activities at upper extremities, which comprises of Biceps Brachii (BB), Deltoid Anterior (DA) and Trapezious Upper (TU) that were involved during controlling the car steering. It involves three driving postures parameters according to the fixed elbow and shoulder angles. The results from this study showed the BB muscle increased positively when turning the steering wheel to the right within 3 to 6 times value increased. Meanwhile, DA and TU muscles experience a contraction in the opposite direction with steering wheel turning action, which shows higher right side DA and TU muscle contraction when the driver turn the steering to the left with around 80% decrease for DA and within 60% to 80% decrease value for TU. BB muscle also shows an increasing value of muscle contraction with higher elbow flexion, meanwhile DA and TU muscles contraction also show an increment in-line with greater shoulder abduction. The results showed that posture B with elbow angle at 36° and shoulder angle at 134° are the most comfortable driving postures, hence the lowest muscle contraction value of 15.67μV (BB), 19.31μV (DA) and 12.36μV (TU) compared to the other two measured postures. The results of muscle contraction from this study is capable of assisting researchers and car manufacturers to understand the relationship of steering maneuvering when developing more comfortable and suitable vehicle’s driver seat compartment.

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Analysis of Muscle Fatigue for Urban Bus Drivers using Electromyography

Hwang¹

2011

SAE Technical Paper Series

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A Study on the Assessment of Driver's Fatigue

Cited by 4 publications

References 6 publications

Maximal Torque and Muscle Strength is Affected by Seat Distance from the Steering Wheel when Driving

Maximal Torque and Muscle Strength is Affected by Seat Distance from the Steering Wheel when Driving

Muscle Contraction During Maneuvering Steering Wheel Using Surface Electromyograpyhy

Analysis of Muscle Fatigue for Urban Bus Drivers using Electromyography

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