HARDNESS, FRACTURE TOUGHNESS AND STRENGTH OF CERAMICS
ensuring safety to the railways through gps
1.
2. 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
3. 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
9. Mapping and GIS data capture
Navigation
Vehicle tracking
Mining & construction
10. 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
11. 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
12. 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
13. 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
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16.
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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
GPS –global positioning systemA network radio navigation system formed from a constellation minimum 24 satellites rotating in 6 orbitals and their ground stations