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Active roll stabilization introduced for Audi's large crossovers

  • Magazine Article
  • 20AUTP10_08
Published October 01, 2020 by SAE International in United States
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  • English

Audi is fitting its largest crossover models with a new, active anti-roll system that the company said enhances cornering capability and reduces body roll without sacrificing ride comfort. Unlike other active anti-roll systems, Audi's electromechanical roll stabilization (eAWS) doesn't rely on hydraulics and is claimed to be “virtually maintenance-free.”

Large crossovers and SUVs can be challenging to engineer with assertive vehicle dynamics because their weight and higher center of gravity typically mitigate against sporty cornering unless the suspension is uncomfortably stiff. But the powered anti-roll bars at each axle in the eAWS system permit a comparatively soft tune for the base suspension, firming cornering dynamics only when required.