Tag Archives: Driver

xxx M. Hruška
Assessment of the actual hand position on the steering wheel for drivers of passenger cars while driving
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Assessment of the actual hand position on the steering wheel for drivers of passenger cars while driving

M. Hruška

Czech University of Life Sciences, Faculty of Engineering, Department of Technological Equipment of Building, Kamýcká 129, CZ165 21 Prague 6, Czech Republic
*Correspondence: jabko@tf.czu.cz

Abstract:

This work deals with the assessment of the actual position of the hands on the steering wheel of drivers of passenger cars in specific driving modes. The findings are compared with the location that is generally considered to be optimal in terms of both active and passive safety, and the long-term effects on the health of the driver. The research described in this work was carried out on a sample of randomly selected drivers in the Czech Republic. For all of the measurements, one identical neutral passenger middle-class vehicle, with which none of the test subjects had previous experience, was selected. The reason for this research was to model a normal situation where the driver controls a vehicle with his hands on the steering wheel in a position that is only the result of his or her own intuition and the subjective sense of the driver’s comfort. On the basis, of a statistical evaluation of the obtained data, it was found that the introductory hypothesis, which states that a significant part of the tested sample of drivers holds the steering wheel in an unsuitable manner, can be confirmed. This fact negatively impacts not only on the reduction of active and passive safety, but also affects the health of drivers who drive a large amount of kilometres annually. The results of this work can be used in the design of cabs and modern passenger car systems that will be able to motivate the driver to hold the steering wheel in an optimal way. This will directly affect road safety and positively influence the health of drivers.

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2236–2246 R. Zewdie and P. Kic
Substantial factors influencing drivers’ comfort in transportation
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Substantial factors influencing drivers’ comfort in transportation

R. Zewdie¹* and P. Kic²

¹University of Life Sciences in Prague, Faculty of Engineering, Department of Vehicles and Ground Transport, Kamýcká 129, CZ165 00 Prague 6, Czech Republic
²Czech University of Life Sciences in Prague, Faculty of Engineering, Department of Technological equipment of buildings, Kamýcká 129, CZ165 00 Prague 6, Czech Republic
*Correspondence: zewdie@tf.czu.cz

Abstract:

Research shows that driver stress is associated with workload and fatigue, and an inappropriate microclimate in the driving cabin can have an impact on overall driver’s safety. The aim of this scientific study is to examine whether driver stress, across various urban and field drive conditions, can affect performance in a confined environment and whether the natural breathing process can also compound these effects and aggravate health hazards. This paper will address the influencing parameters associated with driver comfort of everyday job occupations in the urban communication network of Prague city public transport. In this research paper the authors will characterize cardinal components directly accountable to the safe operation elements; the concentration of carbon dioxide (CO2) and the relative humidity (Rhi) in the driving cabin, affecting the contentment of the drivers comfort while performing their duties. Similar inquiries were carried out on ventilation emphasis and air intake impact in drivers’ cabin, recommending a design to minimize safety problems associated with comfort. Data on the concentration of carbon dioxide and internal relative humidity in the respective cabins have been collected carefully for detailed analysis. This research paper is the outcome of these findings.

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417–425 M. Hruška
Evaluation of the actual sitting position of drivers of passenger vehicles
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Evaluation of the actual sitting position of drivers of passenger vehicles

M. Hruška

Czech University of Life Sciences, Faculty of Engineering, Department of Technological Equipment of Building, Kamýcká 129, CZ165 21 Prague 6, Czech Republic
*Correspondence: jabko@tf.czu.cz

Abstract:

This paper is concerned with comparing the actual sitting position of drivers of passenger vehicles with the position commonly considered optimal from the viewpoint of active and passive safety, and the long-term effects on the driver’s health. The research described herein was conducted on a sample of randomly selected drivers in Czech Republic. All the measurements were conducted in a single, neutral, medium-sized passenger vehicle with which none of the test subjects had any previous experience. For this reason, none of the tested drivers had the advantage of familiarity with the environment. This research came about as an attempt to re-create the common situation wherein a driver adjusts his/her position behind the steering wheel solely on the basis, of intuition. Through a statistical evaluation of the acquired data, it was possible to confirm the initial hypothesis that a substantial portion of tested drivers assume a less than optimal driving position. This fact has a negative effect not only on reducing active and passive safety, but directly impacts upon the health of drivers who cover high annual mileage. The results of this paper can be used when designing cabins and modern interactive systems for passenger vehicles, which will be able to assist the driver in setting the optimal driving position. In this way, it will be possible to directly impact upon traffic safety and positively influence drivers’ health.

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