According to Andersky, full-stability technology – such as Bendix ESP – addresses both roll and directional stability. It recognizes and mitigates conditions that could lead to rollover and loss-of-control situations sooner on dry surfaces, and in a wider range of driving and road conditions, including snowy, ice-covered, and slippery surfaces. Full-stability systems contain additional sensors, enabling the unit to recognize factors that could lead to truck rollovers and loss of control.
He adds that interventions are also different. Full-stability systems rely on automatic brake interventions involving the steer, drive, and trailer axles, whereas roll-only systems typically apply the brakes only on the drive and trailer axles. With the recently enacted legislation requiring a 30 percent reduction in stopping distance, more braking power is now concentrated on the steer axle. Slowing the vehicle quickly helps mitigate rollovers faster, while slowing and redirecting can help the driver maneuver in loss-of-control situations.
"When implemented, the proposed NHTSA ruling will help save lives on our roadways," Andersky said. "The ruling reinforces our belief that full-stability technology offers the best choice to help prevent heavy truck accidents. And it demonstrates the importance of full stability as the platform for tomorrow's active safety systems."
Bendix stresses that technologies such as Bendix ESP do not replace the need for alert, safe drivers practicing safe driving habits, as well as continuous, comprehensive driver training.
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