INTRODUCTION STATISTICS ON RAIL ACCIDENTS WHAT IS GPS? APPLICATION OF GPS WHY GPS HERE? COMPONENTS AND FUNCTIONS PRINCIPLES OF WORKING ON BOARD UNIT DESIGN IMPLEMENTATION OF NEEDS CONCLUSION

Indian railways is the biggest railway network in the world

On the other hand it faces a large number of accidents due to negligence , technical fault etc…..

Even though we have got many techniques of preventing these accidents no method can be more effective as that of gps

 In 2000 there were 1054 accidents.In 2001 there were 1432 accidents.In 2002 there were 1334 accidents.In 2003 there were 1352 accidents.In 2004 there were 1413 accidents.In 2005 there were 1476 accidents.In 2006 there were 1372 accidents.In 2009 there were 1323 accidents.In 2008 there were 1181 accidents.In 2009 there were 1038 accidents.

Figure  is a bar graph representing the number of rail accidents per year from 2000 to 2009.

• 47.7% of rail accidents in 2009 were non-main-track train derailments.• 17.9% of rail accidents in 2009 were crossing accidents.• 6.6% of rail accidents in 2009 were main-track train derailments.

9.2% of rail accidents in 2009 were non-main-track train collisions.• 0.6% of rail accidents in 2009 were main-track train collisions.• 18.2% of rail accidents in 2009 were due to other causes.

• GPS –global  positioning System

• A network radio navigation system formed from a constellation minimum 24 satellites rotating in 6 orbits and their ground stations

Mapping and GIS data capture

Navigation

Vehicle tracking

Mining & construction

To avoid rail accidents It is highly efficient This system is highly reliable and information

are highly secured System promise radical improvements to

many systems that impact all people Main function of the GPS is to get the

interconnectivity of the various points in the track

Whenever a train will move over the track there will be vibrations that will be created on the tracks these vibrations produced on the track are depend upon the speed of the train, load or the weight of the train.

A software traces this vibrations using microphone and convert these vibrations in such a form that they can be compared with the already existing data of the database.

If there will be any problem on the track ,bridge etc .such as the removal of fish plates the vibrations produced from the train will change(they will either get damped or get excited which is noticeable change from the ideal case)

If the obtained data and the stored data are the same then normal signal is send to the receivers from the satellite

If the vibrations from the track is more or less then emergency signal will send to the receivers

Microphone sensors Need critical selection as huge amount of the vibrations or the

noises are created that are possible to get recognized from a long distances

Trace the vibrations and send to the DBMS

Proposed sensor –CARBON SENSORS used in telephone

FIBER OPTIC WIRES

Transmitts the traced vibration data to DBMS quickly

SOFTWARE &DBMS Programs that can be perform some tasks that are

assigned to them

DBMS is the database management system which can store a huge amount of the data in them

s/w converts vibrations from the sensors into some graphical forms and transfers to DBMS which contains reloaded data that are analysed in normal conditions

Continuously measure different parameters , tag the data with time and position information ,reports irregular conditions

Consists of communication satellite antennae, satellite positioning antennae, the onboard receiver system and communication interface devices , etc

Need of the towers for the transfer of the data to the various destinations

A high tech visual display system to show the actual position of the train along with other systems like visual and audio warning systems

Receiver and the transmitter tuned to proper frequencies and in accordance to the network

The train driver’s cabin must be such that the driver will come to know about the track , weather ,bridges, constructional status in advance

Good communication system .this can be achieved by use of the GPS itself

Up link frequency- 5.925 to 6.425 GHZ

Downlink frequency-3.700 to 4.200GHZ

May change as per the advancement that are made in the system requirements

Consider two trains of same or different weights , speeds approaching towards each other in the same track with GPS n/w installed in it

The micro phone sensors trace the vibrations 35 Km prior to its arrival

As the two trains are approaches on the same track the vibrations gets excited

This produce emergency signal with alarm and this is transmitted to the control room and to loco

Railway safety Automation in the work Reduction in stress levels because of good equipment

and machinery Time delays: as every time the position of the train will

be known so there will not be any time delays Train traffic control : due to the continuous monitoring of

the trains their will be a good train traffic control

The implementation time is large and the cost is high to some non technocrats

A survey says the total loss of the government rates to few two hundred crores

So just by investing a small sum of this loss, the accidents and losses can be overcome once for all

The benefits and advantages of the proposed method out number the problems and disadvantages

By considering this method for the most important

transport system in India the most valuable human life and the national property can be protected

Thus the integration of GPS , sensors along with the software systems can be effectively used to provide safety as well as huge income to the Indian railway

QUERIES ?