Real Time Train Information System
India has the fourth largest rail network in the world. Now with rising passenger and shipping demands, additional facilities are implementing in the system. With a network of 67,000km, Indian Railways operates 13,000 passenger trains, carrying 23 million passengers, and 9,000 freight trains, transporting 3.05 million tons of freight, daily. Indian Railways is facing with overstretched infrastructure, inadequate capacity, a declining market share in the freight sector and huge unmet passenger demand. In this context, Indian Railways has decided to leverage new technology to improve the efficiency of the system in order to run more trains. One such initiative is a Real Time Train Information System (RTIS), which is used to track the location of trains in real-time through GPS devices installed in the locomotives.
Indian Railways decided to adopt Internet of Things (IoT) for the automatic generation of train arrival and departure information from the train and provide it to the Control Office Application (COA) automatically. In this project, approximately 2,700 electric locomotives running on Indian Railways’ network have been armed with satellite devices. A RTIS locomotive device comprises of an indoor unit installed in the locomotive cabin and an outdoor unit installed on the locomotive roof-top. The RTIS application software in a locomotive’s device determines train movement events i.e. arrival, departure, run-through (ADR) at stations and en-route location updates at 30 second intervals, based on pre-defined logic applied on spatial coordinates and speed received continuously from the satellite receiver.
A RTIS locomotive device has an Intel Atom processor, adequate memory and a Solid State Drive (SSD). Locomotive movement updates of train are noted at data Centre through Satellite communication services and then processed data will be forwarded to the COA server of Indian Railways. Satellite communication service and 4G/3G mobile data service are also used to update ADR events and location updates to a Central Location Server (CLS). The CLS processes the data received and communicates it to a train control application for the plotting of control charts. The automation is implemented for this process. This application is integrated with the National Train Enquiry System (NTES), so that accurate real-time information of running train is conveyed to passengers.
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