Mathematical modeling of the unput devices in automatic locomotive signaling system

Authors

  • O. O. Gololobova Dep. «Automation, Telemechanics and Communications», Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk, Ukraine, 49010, tel. + 38 (056) 373 15 04, e-mail gololobo-va_oksana@i.ua, Ukraine https://orcid.org/0000-0003-1857-8196

DOI:

https://doi.org/10.15802/stp2014/23741

Keywords:

input devices, automatic locomotive signaling, mathematical models, ALC, disturbance, failure, breakdown, floor facilities, locomotive devices

Abstract

Purpose. To examine the operation of the automatic locomotive signaling system (ALS), to find out the influence of external factors on the devices operation and the quality of the code information derived from track circuit information, as well as to enable modeling of failure occurrences that may appear during operation. Methodology. To achieve this purpose, the main obstacles in ALS operation and the reasons for their occurrence were considered and the system structure principle was researched. The mathematical model for input equipment of the continuous automatic locomotive signaling system (ALS) with the number coding was developed. It was designed taking into account all the types of code signals “R”, “Y”, “RY” and equivalent scheme of replacing the filter with a frequency of 50 Hz. Findings. The operation of ALSN with a signal current frequency of 50 Hz was examined. The adequate mathematical model of input equipment of ALS with a frequency of 50 Hz was developed. Originality. The computer model of input equipment of ALS system in the environment of MATLAB+Simulink was developed. The results of the computer modeling on the outlet of the filter during delivering every type of code combination were given in the article. Practical value. With the use of developed mathematical model of ALS system operation we have an opportunity to study, research and determine behavior of the circuit during the normal operation mode and failure occurrences. Also there is a possibility to develop and apply different scheme decisions in modeling environment MATLAB+Simulink for reducing the influence of obstacles on the functional capability of ALS and to model the occurrence of possible difficulties.

Author Biography

O. O. Gololobova, Dep. «Automation, Telemechanics and Communications», Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk, Ukraine, 49010, tel. + 38 (056) 373 15 04, e-mail gololobo-va_oksana@i.ua

О. А. Гололобова

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Published

2014-04-25

How to Cite

Gololobova, O. O. (2014). Mathematical modeling of the unput devices in automatic locomotive signaling system. Science and Transport Progress, (2(50), 21–30. https://doi.org/10.15802/stp2014/23741

Issue

Section

AUTOMATED AND TELEMATIC SYSTEMS ON TRANSPORT