>Truck ABS systems are quite a bit more interesting as the better 
>ones integrate things like anti-rollover algorithms where they take
>accelerometer data into account along with wheel speed to sense 
>trailer sway and wheel lift and apply braking that counteracts the 
>trailer motion. You should see them test these systems, it's very 
>cool! I asked one of the test drivers how many trailers he's rolled 
>over and his answer was "too many to count". :-)

Sounds like a fun job ... ;))
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