1987-11-08

An Analysis on Vehicle Behaviors during Braking 871232

When braking up a truck with a rigid axle type front suspension of parallel leaf springs, some steer angle deviations occur caused by relative movements between steering linkage pivot and the front axle. In case of heavy braking under nearly locking up conditions, it is expected that the vehicle may show some yawing motion during deceleration.
In this paper, vehicle behavior during braking were analyzed using a simplified simulation model. On the other hand, experiments were conducted to confirm the effects of these factors.
Comparing those results, it was proved that the analytical results show relatively good correspondence to these obtained from experiments and that vehicle behaviors during braking were greatly affected by the steer angle deviations and position of wheels which were locked.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 43% off list price.
Login to see discount.
Special Offer: With TechSelect, you decide what SAE Technical Papers you need, when you need them, and how much you want to pay.
X