FIELD: transportation.
SUBSTANCE: speed control system on the descent of the vehicle due to the descent slope, which leads to increased speed reference at the end portion of said bias can change the reference speed. To do this, the system simulates the at least one profile of a future rate for the actual speed on the stretch of road ahead. Modeling is based on topographic information. The system comprises establishing unit which establishes, whether said reference rate assigned increased speed reference. Determination is based on a comparison of the simulated speed profile of the future with a valid value for the increased reference speed and/or with excess speed. The system comprises an assignment unit, which assigns a higher speed of MENTIONED reference speed reference, if it was determined that this is necessary.
EFFECT: higher efficiency of control .
24 cl, 2 tbl, 10 dwg
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