Tuesday 24 January 2012

. In recent days the train accidents are increasing, suggest some measures to control them.



Rail services in India, first introduced in 1853, are provided by the state-run Indian Railways, under the supervision of the Ministry of Railways.


 Indian Railways provides an important mode of transport in India, transporting over 18 million passengers and more than 2 million tonnes of freight daily across one of the largest and busiest rail networks in the world. Indian Railways is divided into sixteen zones, which are further sub-divided into sixty seven divisions, each having a divisional headquarters. The railway mostly continues to rely on manual system of signaling that is clearly far from foolproof. There is range of technological solutions that can remove the scope for human error and make system foolproof.
Anti-Collision Device- the ACD Network is a Train Collision prevention system patented by Konkan Railway Corporation Limited.ACDs have knowledge embedded intelligence. They take inputs from GPS satellite system for position updates and network among themselves for exchanging information using their data radio modems to take decisions for timely auto-application of brakes to prevent dangerous 'collisions'
The Auxiliary warning system- the Auxiliary Warning System (AWS) is a track magnet based system , which sparks off a ‘hooter’ warning alarm inside the driver’s cabin if he jumps a signal or over speeds. Even if the driver fails to respond the train is automatically brought to a stop. This system does not require very high maintenance.
Train Protection and Warning System- it operates through two or three transmitters fitted on the tracks. So in case the driver is over speeding, the first sensor tries to cut the speed .the second one placed slightly closer to the signal cuts down the speed even further, in case the driver hasn’t done so. And finally, the third sensor , acts as an emergency braking system for a train.
Mobile train radio communication- it consisting of a secure network in which the train driver, station guard and the station master can hold a conversation about the respective train’s position and speed can act as a good warning system.Extended track circuiting- these are electric devices that helps detect the location of a train on a particular stretch of the track.

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