High-speed train braking force allocating optimizing controlling method and system thereof

Abstract

The invention discloses a high-speed train braking force allocating optimizing controlling method, and relates to a high-speed train braking force allocating optimizing controlling system. The high-speed train braking force allocating optimizing controlling method and the system thereof is used for coordinative controlling for to-be-applied braking force of all sections of a train. The high-speed train braking force allocating optimizing controlling system comprises a braking force allocating optimizing controlling module, the module obtains the adhesion gravity FNi based on a single section train stressing model, and the high-speed train braking force allocating optimizing controlling system further comprises a comparator, a multiplier, a braking force allocating optimizing controlling unit and a braking force re-allocating and an optimizing unit thereof, wherein the comparator and the multiplier are used for obtaining the train adhesion force constraint condition F[mu]; and the high-speed train braking force allocating optimizing controlling method comprises calculation for the adhesion gravity, determination for the train adhesion force constraint condition, braking force optimizing controlling algorithm for electric braking priority and a braking force re-allocating method and optimizing algorithm thereof. According to the high-speed train braking force allocating optimizing controlling method and the system thereof, safe, stable and reliable braking of the train is achieved under various complex rail surface situation condition by following the changing dynamic process during the adhesion status of the train, the problem of braking sliding of the high-speed train is solved effectively, and stability and accuracy of the high-speed train braking controlling system are further improved.

Description

technical field [0001] The invention belongs to the technical field of high-speed train vehicle control, and more specifically relates to a high-speed train braking force distribution optimization control method and system thereof, which can be particularly adapted to high-performance high-speed train braking force distribution control under different natural environments and different line conditions . Background technique [0002] High-speed trains are the main carrier of national public transportation and undertake the major development strategy of national interconnection and intercommunication. As a key component of high-speed trains, the braking system is an important prerequisite for safe operation. [0003] During the braking process of a high-speed train, the braking force generated by the brake control device hinders the movement trend of the train in the form of adhesion between wheels and rails. According to the adhesion characteristic curve of high-speed trains...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the above-mentioned shortcomings in the prior art, the present invention provides a high-speed train braking force distribution optimization control method and its system, which uses the redundancy of each section of trains to perform braking force distribution, so as to more effectively prevent the problem of train braking and coasting , so as to make the train braking process more stable important guarantee

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