Brake Characteristics for a Bobtail Vehicle

Bayan, Fawzi; Cornetto, Anthony; Dunn, Ashley L.; Wahba, Ronny; Suway, Jeffrey; Prokrym, Yuri; Price, Andrew

doi:10.4271/2013-01-0792

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…If the road is slippery, the possibility of skidding accidents is high because the coupling between the tyre and the road surface, i.e. road holding capability, is reduced [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Dynamic simulation of brake pedal force effect on heavy vehicle braking distance under wet road conditions

Zamzamzadeh¹,

Saifizul²,

Ramli³

et al. 2022

Int. J. Automot. Mech. Eng.

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Recent experiences have shown that one of the main causes of heavy vehicle crashes is the braking performance. In particular, when having to decelerate in an emergency situation, such as when an unexpected object is in the road. Thus, the capability of a vehicle to come to a safe stop is one of the most important factors in preventing more accidents. Safe braking distance is influenced by many factors, such as brake pedal force, the vehicle's loading conditions, the travel speed and the road surface conditions. The aim of this study was to analyse the effect of the driver's brake pedal force on braking distance during an emergency situation, allowed for a wide range of heavy vehicle's GVW and speed. This study is carried out by using a multi-body dynamics simulation of a Single Unit Truck based on the validated vehicle model. Braking performance was estimated in terms of braking distance on a straight road with a wet surface. The findings from the braking distance simulation suggest a non-linear relationship between brake pedal force and braking distance. Finally, it reveals that, depending on the wheel lock-up situation, braking distance increases with increasing brake pedal force, and that the braking distance on a wet road is significantly affected by both the heavy vehicle's GVW and speed.

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“…If the road is slippery, the possibility of skidding accidents is high because the coupling between the tyre and the road surface, i.e. road holding capability, is reduced [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Dynamic simulation of brake pedal force effect on heavy vehicle braking distance under wet road conditions

Zamzamzadeh¹,

Saifizul²,

Ramli³

et al. 2022

Int. J. Automot. Mech. Eng.

View full text Add to dashboard Cite

show abstract

Comparison of braking properties of selected vehicle with different methods

Gogola

Ondruš

Kubaľák

et al. 2022

The Archives of Automotive Engineering – Archiwum Motoryzacji

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The aim of this article was to perform a practical measurement of the braking properties of a selected Škoda Yeti vehicle on a wet and dry asphalt road and then evaluate and compare the measured data using a decelerograph and a mobile application mSTK. It is a new application for measuring driving dynamics, which was developed for the needs of technical inspection stations in Slovakia. The subject was the intensive braking of a Škoda Yeti passenger car with a fully compressed service brake from different velocities and on different surfaces. A total of 18 measurements were performed, of which 9 on the dry and 9 on the wet surface. This is a new alternative method for recording vehicle driving dynamics. The developed application in conjunction with modern smartphones can thus compete with the current decelographer, both in terms of technical parameters, measurement accuracy (total average deviation 2.11%) and ease of use. The results and data processed in this way are presented in the final part of the paper.

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Brake Characteristics for a Bobtail Vehicle

Cited by 2 publications

References 13 publications

Dynamic simulation of brake pedal force effect on heavy vehicle braking distance under wet road conditions

Dynamic simulation of brake pedal force effect on heavy vehicle braking distance under wet road conditions

Comparison of braking properties of selected vehicle with different methods

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