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Wyszukujesz frazę "Kemzūraitė, K." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Investigation of automobile active safety control systems efficiency and their impact on the drivers behaviour
Autorzy:
Bureika, G.
Kemzuraite, K.
Powiązania:
https://bibliotekanauki.pl/articles/241785.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
emergency braking of vehicle
handling and stability of a vehicle
Opis:
The paper deals with the influence of active car safety systems on driver‘s behavior in emergency situations, i.e. emergency braking, steering angle, etc. Several models of real vehicles have been tested in order to analyse the ABS and ESP systems operation efficiency. The results of emergency braking and stability in real vehicle testing with ABS and ESP stability control systems switched on and off are presented in detail. In order to get the maximum impact of ABS and ESP systems (full activated) the real vehicles were tested on the asphalt paved road covered with wet snow. Tests were also carried out on the road sections with different pavement and state. The XL Meter Pro Beta measurement device was used for the real vehicle testing. The brakes and active safety systems of the vehicles have been tested for their effectiveness at different conditions: when the vehicle is braking on horizontal wet asphalt, and on an icy gravel surface, at a different initial running speed: 40km/h, 70 km/h and 100 km/h. During the real vehicle testing the stability during emergency braking resulted in the assessment of influence of active safety systems on handling the vehicle and its stability, and the driver's behaviour in emergency situations i.e. on a slippery road, or at sharp steering angle. The results of real vehicle testing have been presented in the paper in the form of charts. Examination of a vehicle emergency braking and stability systems results in the conclusions concerned with handling of the vehicle ad application of the above systems.
Źródło:
Journal of KONES; 2012, 19, 4; 117-125
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of vehicle stability on road curves in winter conditions
Autorzy:
Kemzuraite, K.
Pukalskas, S.
Bureika, G.
Powiązania:
https://bibliotekanauki.pl/articles/247233.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
vehicle stability
vehicle dynamics
road curve
road surface adhesion coefficient
lateral acceleration
road traffic safety
Opis:
The paper reveals peculiarities of a vehicle movement/operation on road curves when the road surface is slippery and/or snowy, with asphalt ruts. The survey of scientific works related to the lateral acceleration and movement dynamics of a vehicle is presented. Field experiments with different vehicles were carried out in winter conditions. The acceleration value and stability parameters depending on the speed of a vehicle and adhesion coefficient on road curves are analysed. Dependence of the vehicle lateral acceleration on road curves with various adhesion surfaces are given in graphical charts. Recommendations how to improve road safety by limitation of the speed in winter conditions are formulated. Finally, basic conclusions are given. Handling the vehicle on the road with the compressed snow surface (on the curve of the radius of 120 m) is much more dangerous when the adhesion coefficient of the wheels and the road is low if compared to handling the vehicle along the dry ruts at the same speed. When the vehicle moves along the curve of 120 m radius at a speed of 70 km/h, and the road surface is snowy, the lateral acceleration of 3.1 m/s2 is reached. The paper indicates that lateral acceleration of 3.1 m/s2 can be reached while moving along the snowy road with dry ruts at a speed higher in 27% (90 km/h). For improving the vehicle safety, it is recommended to have road signs on sharp turns/curves (R less than 120 m) to decrease the vehicle speed in 20 km/h.
Źródło:
Journal of KONES; 2011, 18, 4; 191-197
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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