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MODELING OF THE MICROPROCESSOR SYSTEM OF AUTOMATIC RAILWAY CROSSING SIGNALING BASED ON PETRI NETS

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Scientific Journal of Vehicles and Roads

Scientific Journal of Vehicles and Roads

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ARTICLE ANNOTATION

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The article describes the research work to improve the system of automatic crossing signaling (ACS). The appearance of Petri nets led to the development of the scientific and technical process, especially the possibility of building multiprocessor systems. Petri nets are simple, but at the same time show possible conflicts in the functioning of the system when modeling complex systems. In the scientific article, a model of the ACS railway system operation using Petri nets was developed. The developed model is based on the rules of operation of signaling, blocking and centralization systems. The developed model consists of the following parts: occupied and vacated sections of the approach and removal of the crossing; determining the direction of approach of the train to the crossing; formation of a command to turn on the ACS devices when the train approaches the crossing from even and odd directions; turning on ACS devices; opening of the crossing; re-closing of the crossing during a long occupation of the removal site; artificial closing of the crossing, control of the crossing from the control panel. In the model, Petri nets are presented in graphical form and in matrix form. In addition, the reliability of the developed model was tested. The model is considered on the example of the ACS system of a railway crossing located on single-track sections without automatic blocking. On the basis of the developed model, an algorithm for the operation of ACS devices is presented.

AUTHORS

S.Boltayev

Tashkent State Transport University

B.Rakhmonov

Tashkent State Transport University

O.Mukhiddinov

Tashkent State Transport University

Tags

# Railway crossing# Железнодорожный переезд# automatic crossing signaling sys# approach area# Petri net# control panel# автоматическая переездная сигнал# подходная зона# сеть Петри# пульт управления# Temir yo‘l kesishmasi# kesishmning avtomatlashtitrilgan# yaqinlashish uchastkasi# petri tarmoqlari# boshqaruv paneli

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Article Identifiers

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https://eroi.uz/11.0206/A0524-0028

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Not Available

References

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