RAILWAY LEVEL GATE CONTROL.

The project Railway level gate control provides a system; that allows users to operate the railway level crossing gate through SMS sent by the operator/in charge. The operation of the railway level crossing control is usually operated manually or through wired electronic media.

AUTOMATIC RAILWAY GATE CONTROL

An automatic railway gate control system is implemented to prevent accidents of the traction system at the railway crossing levels. Therefore, an automatic railway-crossing-gate controller is used to prevent accidents at unmanned level crossings to provide much-needed safety.

AUTOMATIC RAILWAY GATE CONTROL SYSTEM ALERT VIA SMS

An automatic railway gate control system is implemented to prevent accidents of the traction system at the railway crossing levels. Nowadays many accidents take place at the railway gate crossing due to uneven crossings; even when the gate is about to close. In general, a railway gate is normally operated by a gatekeeper as he receives the information about the arrival of the train.

Railway safety is the most crucial aspect of railways all over the world. This is the cheapest mode of transportation all over the world, and therefore, accidents are bound to happen due to carelessness manual operations. Therefore, an automatic railway-crossing-gate controller is used to prevent accidents at unmanned level crossings to provide much-needed safety. Such efficient controllers are mostly used in remote areas that often lack the services of a station master or lineman at the crossing levels.

Note;-The automatic gate control system can be implemented using different technologies such as GSM, Bluetooth, and Android.

TYPES OF RAILWAY CROSSING

There are two types of crossings–private and public. Private crossings are not required to have advance signs or other markings and are found on roadways not maintained by public authority. At public highway-rail crossings, there are two basic types of warnings: Passive signs.

DIFFERENT BETWEEN RAILWAY CROSSING AND LEVEL CROSSING

A level crossing (also called a grade crossing, a railway crossing, or a railroad crossing) is a place where a railway line and a road meet each other on the same level. This means that the grades (the road and the track) are not separated by using a bridge or a tunnel.

HOW DOES A RAILWAY LEVEL CROSSING WORK?

All grade crossing predictors rely on the changes in the electrical characteristics of the rails that occur as a train approaches the point; at which the predictor is connected to the rails. As the train approaches the feed point, the area enclosed by the inductor diminishes. Thus reducing the inductance. For measuring the inductance, a constant-current alternating current source is connected to the rails. Now the resulting voltage is measured and by ohms law, the voltage measured will be proportional to the impedance. The absolute magnitude of this voltage and its rate of change can then be used to compute the amount of time remaining before the train arrives at the crossing.

ADVANTAGES OF RAILWAY LEVEL GATE CONTROL

1. Automatic railway gate control systems reduce the time for which gate remains closed.
2. This type of gates can be employed in an unmanned level crossing where the chances of accidents are higher and reliable operation is required.
3. Automatic operation prevents errors due to manual operation.
4.  Lastly, no human resource is required. This makes its running cost very low compared to manned gates.

LIMITATION;-
The system can be implemented more efficiently by incorporating a more efficient sensor network.
A combination of manual wireless control and sensors based control can be used for better operation.

CONCLUSION;-
The automatic railway gate control system is centered on the idea of reducing human involvement for closing and opening the railway gate which allows and prevents cars and humans from crossing the railway track. The railway gate is the cause of many deaths and accidents.

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