Adaptive
Air Suspension
Adaptive
air suspension is an electronically-controlled suspension
system that acts on all four wheels of a vehicle. Adaptive
air suspension adjusts the shock absorbers, depending on the
road conditions and the car’s speed, for precise handling
and a high level of ride comfort. It also enables the speed-dependent
lowering of the body, resulting in a lower center of gravity
and improved vehicle aerodynamics and directional stability.
This technology is available, for example, as an option in
the Audi A8. An equipped vehicle has air suspension struts
on all four wheels. The data from sensors on the axles and
acceleration sensors on the body is evaluated in the adaptive
air suspension's central control unit. This computer controls
the adjustment of the individual shock absorbers in milliseconds
depending on the driving situation. Controlled changes to
the damping force at individual wheels help eliminate body
movements at any time which could reduce occupant comfort.
The adaptive damping system automatically reduces rolling
or pitching movements when cornering, braking, or driving
off. Adaptive air suspension, moreover, offers the advantages
of a traditional self-leveling suspension system. The vehicle's
suspension height remains constant irrespective of the load
it is carrying.
Source: Audi
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