The report considers ground vehicle lateral/directional stability which is of primary concern in traffic safety. Lateral/directional dynamics involve yawing, rolling and lateral acceleration motions, and stability concerns include spinout and rollover. The report describes accident analysis, vehicle testing and computer simulation analysis designed to give insight into basic vehicle design variables that contribute to stability problems. The results of vehicle testing and simulation analysis indicate that a vehicle that has both a relatively low ratio of track width to center of gravity height and is equipped with tires which have a relatively high peak coefficient of friction will have a propensity to rollover during steering maneuvers on a flat surface. Vehicle testing and computer simulation analysis also indicate that directional stability is significantly influenced by the relationship between vehicle weight distribution and lateral load transfer distribution that is greater than or equal to the percent weight on the front axle.
Vehicle Dynamic Stability and Rollover
1992
304 pages
Report
No indication
English
Vehicle dynamic stability and rollover
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