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The suspension computer allows the suspension system to adapt to
changes in road conditions (smooth or bumpy).
A suspension computer works continually to work out the best
compromise for the car's stability and comfort. Position sensors at
all four wheels determine whether the car is riding smoothly or
jouncing up and down on a rough road. The computer adjusts the air
shocks in the wheels by giving electronic instructions.
The computer can give instructions directly to each of the air shocks.
A position sensor is attached to the suspension system at each wheel.
These sensors convert the up and down motion into a signal into an
electrical signal that is sent to the suspension computer. The
computer signals the compressor to pump more air into each air shock.
The air expands a bladder in the shock and increases its stiffness.
This helps the shock to resist bumps. When the road is smooth again,
the computer signals a valve at the top of the shock to open and let
air out of the bladder.
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