Research the Length of the Braking Distance for Speed and HighSpeed Trains on Railway Sections

The article provides a methodology for calculating the length of the braking distance on high-and high-speed sections of the railway of «UzbekistonTemirYollari» JSC.Method for calculating the lengthduring emergency braking.According to the developed methodology, it is possible to determine information about the state of the input traffic light on a locomotive at a distance sufficient for emergency braking and, based on these calculations, develop technical measures to ensure unhindered train movement.The indication ahead of the traffic light in front of the vehicle is repeated in the cab of a locomotive driver when the train travels between two traffic lights or over a section of a given length near the floor signal.Information displayed about the permitted speed, taking into account all restrictions.It is also possible to display information about upcoming restrictions, braking distance, speed, etc.Based on static speed information, the on-board unit and floor unit calculate the braking speed curve.The system continuously displays the maximum permissible speed in the driver's cab, which is consistent with the following limit and therefore cannot be exceeded at the moment.This requires information about the distance to the next restriction.This information may be transmitted individually for a block section or standardized using a block section of a certain length.Unification of the length of block sections is justified only in case of predominantly homogeneous traffic, e.g. on specialized high-speed sections or suburban lines.The above expressions are used to analyze the automatic locomotive alarm system and determine the required length of the rail line.The optimum length of the rail coding line is determined and, based on the above expressions, an algorithm can be developed and programs can be drawn up taking into account the length of the braking distance .

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