Abstract
Industrial Control Systems (ICS) and SCADA systems play a critical role in the management and regulation of critical infrastructure. SCADA systems brings us closer to the real-time application world. All process and equipment control capability is typically provided by a Distributed Control System (DCS) in industries such as power stations, railways, agricultural systems, chemical and water treatment plants. This article proposes to adopt SCADA and PLC technology in the improvement of the performance of real time signaling & train control systems in metro railways infrastructure. The main concern of this work is to minimize the failure in automated metro railways system operator and integrate the information coming from Operational Control Centre (OCC), traction SCADA system, traction power control, and power supply system. This work presents a simulated prototype of an automated metro train system operator that uses PLC and SCADA for real time signaling, monitoring and control of metro railway systems. Here, SCADA is used for the visualization of an automated process operation and then the whole operation is regulated using OMRON (NX1P2-9024DT1) PLC and OMRON’s Sysmac studio programming software is used for developing the ladder logic of PLC. The metro railways system has deployed infrastructure based on SCADA from the power supply system, and each station's traction power control is connected to the OCC remotely which commands all the stations and has the highest command priority. An alarm is triggered in the event of an emergency or system congestion. This proposed system overcomes the drawbacks of the current centralized automatic train control (CATC) system. This system provides prominent benefits like augmenting services which may enhance a network's full load capacity and network flexibility, which help in easy modification in the existing program at any time.





























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Tomar, I., Sreedevi, I. & Pandey, N. PLC and SCADA based Real Time Monitoring and Train Control System for the Metro Railways Infrastructure. Wireless Pers Commun 129, 521–548 (2023). https://doi.org/10.1007/s11277-022-10109-1
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DOI: https://doi.org/10.1007/s11277-022-10109-1