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2014 | nr 5, CD 1 | 321--328
Tytuł artykułu

Theoretical Evaluation of Vehicle Stability in Mountainous Areas

Warianty tytułu
Języki publikacji
A probability for a vehicle to overturn when climbing a hill or when going straight downhill is rather small because the design of vehicles makes them sufficiently stable with respect to a longitudinal bank. When the vehicle is loaded and moving uphill, its rear (driving) wheels receive a substantial additional load, while the load on the front wheels decreases. Consequently, the decreased traction of the front wheels diminishes the control of the vehicle, and it can also become completely uncontrollable. The article investigates the influence of a mountainous terrain to the controllability of vehicles. Situations commonly arising during exploitation of vehicles in mountainous areas are analyzed. Theoretical calculations of sideslip angles are illustrated by examples of recent accidents of military patrol cars in Afghanistan. Realistic estimates of safe driving speeds are presented. The main reason for the high rate of accidents is found to be an overly high center of mass of reinforced vehicles under consideration. (original abstract)
Słowa kluczowe
Opis fizyczny
  • General Jonas Žemaitis Military Academy of Lithuania
  • General Jonas Žemaitis Military Academy of Lithuania
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  • 3. Ksenevich I.P. et al., Ground trailer and transport systems (Наземные тягово-транспортные системы). Encyclopedia, 2003.
  • 4. Mengert P., Salvatore S., DiSario R., Walter R., Statistical estimation of rollover risk, US DOT, National Highway Traffic Safety Administration, 1989.
  • 5. Rechnitzer G., Richardson S., Hoareau E., Deveson N., Police vehicles: rollover stability analysis, Monash University, 2000.
  • 6. Tursunov A., Management of working capabilities of vehicles in mountainous conditions (Управление работоспособностью автомобилей в горных условиях эксплуатации). PhD thesis. Tajikistan Technical University, Dushanbe, 2002.
  • 7. Wong J.Y., Theory of Ground Vehicles, Wiley, 2001.
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