System Approach to Forecasting Standards of Vehicles’ Braking Efficiency

Volkov, Vladimir; Грицук, Ігор; Volkova, Tetiana; Berezhnaja, Natalija; Pliekhova, Ganna; Bulgakov, Mykola; МАРМУТ, Ігор; Volska, Olena

doi:10.4271/2021-01-5083

Cited by 1 publication

(7 citation statements)

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“…This dynamometer model is used for testing the braking system for vehicles and light commercial vehicles and is equipped with an analog display that indicates the braking force on a circular scale with a diameter of 350 mm (see Figure 2a). A brake force excessive imbalance is indicated by warning lamps [23]. The analog display has the advantage of clearly and quickly indicating the results, and a computer can graphically display values and results that can be presented and stored in a database.…”

Section: Materials and Research Methodsmentioning

confidence: 99%

“…The test can be started by the displacement of the vehicle on the test strip. Two or more sequences can be configured, and subsequently, the test procedure that best suits the requirements can be selected [23].…”

Section: Materials and Research Methodsmentioning

confidence: 99%

Section: Materials and Research Methodsmentioning

confidence: 99%

“…After the dynamometer rollers (Figure 3a,b) have been put into operation, with the help of an electric motor, the test stand recognizes if all vehicle wheels are correctly positioned on the dynamometer rollers. Otherwise, it automatically changes the test sequence to irregular rolling left-right [23]. The brake pedal force sensor (Figure 3c) is another important accessory of the dynamometer, whose signal can be read from a distance or sent via wire.…”

Section: Materials and Research Methodsmentioning

confidence: 99%

“…Moreover, regarding wear, light weight, and convenient adjustment of the braking system components [22], there must not be significant differences, and all these are depending on the constructive variant choice. Therefore, the regulations imposed, which must be fulfilled by braking systems, change continuously, and the performance requirements are constantly increasing as shown by Volkov et al [23]. Thus, numerous studies and research have been undertaken [18,22] to improve the reliability and performance of braking systems.…”

Section: Introductionmentioning

confidence: 99%

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Experimental Study of the Correlation between the Wear and the Braking System Efficiency of a Vehicle

Ilie

Cristescu

2023

Applied Sciences

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The growing number of vehicles leads to increasingly intense and congested traffic, which will additionally put demand on the braking system, and drivers behave more aggressively. As a result, the braking system must be durable and efficient. For this purpose, the study of the braking system behavior in conditions of intense and moderate traffic is required to increase the safety of traffic participants—respectively, to demonstrate the need for more frequent replacement of some braking system elements. Thus, a series of successive tests were performed on a vehicle, through which the degree of wear of the brake pads and discs was monitored periodically, resulting in the efficiency evolution of the braking system. The tests were carried out both in the laboratory (on a dynamometer) and in traffic to establish the efficiency of the braking system according to some parameters considered essential. The experimental tests showed that the recommendations regarding the frequency of replacement of brake pads and discs are inconsistent with their actual wear. Therefore, the aim of this paper is to establish the braking system efficiency of a vehicle, subject to testing depending on the vehicle mass, travel speed, distance driven, and braking time, based on experimental tests, on stand and in-traffic, according to the road safety regulations. The validation of the braking system efficiency of the tested vehicle was done by measuring the stopping distance and time in relation to the initial speed, the mass of the vehicle, the number of kilometers traveled, and conditions of intense and moderate traffic.

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Section: Materials and Research Methodsmentioning

confidence: 99%

Section: Materials and Research Methodsmentioning

confidence: 99%

Section: Materials and Research Methodsmentioning

confidence: 99%

Section: Materials and Research Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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