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Dynamic Speed Profile

DSP. Dynamic speed profile. It represents the envelope of the speed values in safety in the portion of the line between the actual and actual train position and the most restrictive point obtained from the static speed profile, Static Speed Profile, or the line point with the speed limitation (of any nature) more restrictive, taking into account the characteristics of the train and traffic. The calculation of the dynamic speed profile is performed by the on-board subsystem processor, in the Automatic Train Control (ATC) and ERTMS / ETCS systems; this function is required to calculate the braking curves which allow compliance with any speed limitation applicable to the train with respect to service braking and rapid braking

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