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The stop-light (a red light going on when the brake pedal is pressed) is a great invention. However, it has a serious drawback: it gives a warning to the driver following you only after you have started to brake. Quite often such a warning appears too late: the driver following you needs to take her/his foot off the acceleration pedal and then brake, while you are already braking.
There have been many attempts to find a better solution, e.g. to display signals
corresponding to the:
(1) position of the acceleration pedal; or
(2) pressure in the manifold.
All these failed.
But what does the SLAB do ?
The SLAB displays the STATUS OF THE ACCELERATION of the car in front: the information, which is the most relevant, and the only one that you really need to minimize
a chance of the front-back collision.
The SLAB displays at the rear of a vehicle: |
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in its simplest (conservative) version , the negative value of the acceleration of this vehicle, i.e. the retarded motion of the vehicle. |
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in its advanced version , the negative and positive values of the acceleration of this vehicle, i.e. the retarded and accelerated motion of the vehicle; and |
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in its full version , the negative, zero and positive values of the acceleration of this vehicle, i.e. the retarded (braking), uniform and accelerated motion of the vehicle; |
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The SLAB puts you on the alert not at the time a car in front of you brakes, but at the time it slows down (a driver of the car takes her/his foot off the acceleration pedal), i.e. at the time the car makes the step preceding braking
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The SLAB does not replace the stoplight; it co-exists with the stop-light to make your driving much safer. |
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