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This is not used to replace the vital logic of the field control points.ġ. For example, if an eastbound signal is requested the computer would not allow a request for a switch to throw in that route.ģ. “Office logic” may be used to prevent unsafe controls from being sent from the dispatch office.ġ. Monitoring capabilities for on-site personnel. Data recording of controls and indications from the “codeline”.ģ. Data recording of dispatcher requests and keyboard commands.Ģ. In the dispatch office are a variety of troubleshooting tools available to the signal department employees.ġ.
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Indications are received from the field control point, interpreted, and displayed as an image for the dispatcher. The control is then sent via modem, microwave, data radio or any combination of communication devices.Ĥ. Dispatchers select a device to control and the computer determines the means to send that request to the fieldģ. Dispatch offices have evolved from toggle switches, push buttons and light bulbs to computer workstations with “point and click” interfaces and graphical displays.Ģ. A request for a switch to throw or a signal to clear.ġ. Signal control – train movements are controlled by signal indication, usually by a dispatcher at a remote location via codeline, modem, or data radio.Ĭontrol – A request sent from the dispatch office for an operation of a device at a control point.ġ. Traffic control system (TCS) or centralized traffic control (CTC) is a block system under which train movements are authorized by block signals whose indications supersede the superiority of trains for both opposing and following movements on the same track. One major reason of this lack of information is insufficient communication.Automatic train control system,centralized traffic control simulator,centralised traffic control in indian railway, centralized traffic control system in railways,train traffic control system in india,centralized road traffic control system,how train traffic control works,centralized traffic control,Introduction to Centralized Traffic Control, Signal control, Control, Indication, Vital circuits, Non-vital circuit,Sequence of Events of Events, Dispatch Office,Field Control Point,Signals at control points are absolute signals Centralized Traffic Controlġ. Most of the time section controllers is unaware of the situations in the neighboring sections and hence due to lack of complete input section controller may not be able to run the trains in optimal manner. So, section controller runs the train as a short sighted person. Section controllers has very limited information about the scene beyond his control section.
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Around thirty to forty sections come under one control section controlled by Chief Traffic Controller (CTC) and several section controllers. These sections are called “Control Sections”. For train-running operations, one division the further smaller sections. Train- running operations are the main responsibility of divisions. Currently sixty nine such divisions exist. These zones are further divided into smaller parts called divisions. Indian railways has seventeen zones ( including Konkan ). Reliable and fast train traffic control systems are needed to cope with the increasing traffic density and high speed trains of today.īefore going further in details we present some railway descriptions and notations. Management and control of railway traffic has been an appealing field of research in recent years. Keywords: Traffic Control, Railway Traffic, Centralized Control, Laser sensor In this laser sensing and wireless communication proposition there can be an alternative to control the trains from many hazardous accidents causing loss of life and property. Wireless sensor network systems will suit the railways much more. In case of failure or any emergencies in between stations, immediate information can not be given and a particular problem will escalate with valuable time loss. Railway transportation traffic control in India is centralized which sometimes delay the action on its accidental situation. Abstract: Railway transportation is the foremost and most popular means of transportation among population.