Study of Influence of Operating Parameters on Braking Distance

Tang, Tianchi; Anupam, Kumar; Kasbergen, Cor; Scarpas, A.

doi:10.3141/2641-16

Cited by 11 publications

(6 citation statements)

References 12 publications

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“…Braking distance which is a parameter of the quality of the ABS braking system design. Several parameters that can be observed to obtain breaking distance are temperature, slip ratio and pavement surface characteristics (Tang et al, 2017) The first part of modelling the braking system is to create data specifications for the type of vehicle used. Vehicle specification data can be seen in Table 1.…”

Section: Methodsmentioning

confidence: 99%

Modeling and Performance Testing of Anti-Lock Braking System (ABS) with Variation of Road Friction Coefficient to Braking Distance

Ulum¹,

Patriawan²

2022

Rekayasa

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Automated vehicles are increasingly being researched and developed to reduce accident rates. The braking system is an integral part of the safety factor in the vehicle. One of the development systems in braking on vehicles is the Anti-lock Braking System (ABS). ABS is a vehicle b that prevents the wheels from locking during sudden braking. The research was conducted by modelling and designing the ABS braking system using SIMULINK software on MATLAB. This research was conducted by varying the coefficient of braking friction on dry asphalt, wet asphalt, dry soil, and wet soil by paying attention to the braking distance. In the first test, the first test of the non-ABS system sets 0.9. The results were obtained with the shortest braking distance of 20 meters and the farthest, 34.5 meters. As for the results with ABS, the shortest braking distance is 17.95 meters, and the farthest is 27 meters. From the analysis that has been done, it is found that the ABS is better than the non-ABS system. This is because ABS regulates the braking calliper and is adjusted to the vehicle’s dynamics instead of statically. When there is a difference in vehicle speed with different wheels too far (while the wheels will lock), the calliper on the brakes will open and close dynamically, unlike non-ABS

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Section: Methodsmentioning

confidence: 99%

Modeling and Performance Testing of Anti-Lock Braking System (ABS) with Variation of Road Friction Coefficient to Braking Distance

Ulum¹,

Patriawan²

2022

Rekayasa

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“…In general, stopping distance, which includes the time it takes to react to a hazard (reaction distance) and the time it takes for the brakes to stop the car (braking distance) [18][19][20], may be calculated by mathematical formulas.…”

Section: Dash Cam Recording Analysismentioning

confidence: 99%

Importance of dashboard camera (Dash Cam) analysis in fatal vehicle–pedestrian crash reconstruction

Giovannini

Giorgetti

Pelletti

et al. 2021

Forensic Sci Med Pathol

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The reconstruction of dynamic of traffic injuries remains a challenge in forensic pathology and is often based on circumstantial data. Dash Cams are digital video recorders which can be located inside a vehicle and continuously record the view through the windscreen, thus providing objective evidence. Here we present the case of a traffic crash in which a pedestrian was hit by an articulated lorry. The analysis of a video recorded from a Dash Cam retrieved inside the vehicle during the death scene investigation (DSI) was crucial in the reconstruction of the manner of death. Indeed, the death, which was initially assumed to be accidental, was finally deemed as a suicide on the basis of the video recording, which showed an intentional and sudden rush of the victim to the middle of the roadway. Advantages and disadvantages of the use of Dash Cams will be discussed, focusing on the profound differences in the related national and international regulations. Based on the present case, in traffic crashes, the search for Dash Cams during the DSI may be recommended and the video recordings should be analyzed in the setting of a multidisciplinary and multimodal evaluation of the case, for a proper reconstruction of the facts.

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“…Zhao, G. et al (2021) considered road friction to evaluate the safety of autonomous vehicles and evaluated the collision probability using the Monte Carlo method by combining pavement friction, reaction time, vehicle spacing, and speed in collision scenarios [ 17 ]. Tang, T. et al (2017) presented a tire-road interaction model to study the effects of various parameters such as axle load, inflation pressure, wheel load, temperature, and water film on the braking distance [ 18 ]. Yimer, T. H. et al (2020) proposed a safe distance vehicle follow-up model describing the safe distance between vehicles and compared it with the 2-s and 3-s rules of safe follow-up distance [ 19 ].…”

Section: Introductionmentioning

confidence: 99%

RSS Model Improvement Considering Road Conditions for the Application of a Variable Focus Function Camera

Kim

2023

Sensors

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The automobile industry has developed dramatically in recent years, the supply of vehicles has also increased, and thus it has become deeply established in everyday life. Recently, as the supply of vehicles with autonomous driving functions increases, the safety of vehicles is also an emerging issue. Various car-following models for the safe driving of vehicles have long been studied by various people, and recently, a Responsibility-Sensitive Safety (RSS) model has been proposed by Mobileye. However, in existing car-following models or the RSS model, the safe distance between vehicles is presented using only vehicle speed and acceleration information, so there is a limitation in that it cannot respond to changes in road conditions due to the weather. In this paper, in order to ensure safety when the RSS model is applied to a variable focus function camera, an improved RSS model is presented in consideration of the changes in road conditions due to changes in weather, and a safety distance is derived based on the proposed model.

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Study of Influence of Operating Parameters on Braking Distance

Cited by 11 publications

References 12 publications

Modeling and Performance Testing of Anti-Lock Braking System (ABS) with Variation of Road Friction Coefficient to Braking Distance

Modeling and Performance Testing of Anti-Lock Braking System (ABS) with Variation of Road Friction Coefficient to Braking Distance

Importance of dashboard camera (Dash Cam) analysis in fatal vehicle–pedestrian crash reconstruction

RSS Model Improvement Considering Road Conditions for the Application of a Variable Focus Function Camera

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