Automatic Vehicle Locator1
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Transcript of Automatic Vehicle Locator1
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By
Shubham GOEL
ECE-III year
xyz
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IntroductionAutomatic Vehicle Locator (AVL) is a computer
based vehicle tracking system
The actual real time position of each vehicle isdetermined and relayed to a control center
AVL systems include: computer -aided dispatchsoftware, mobile data terminals, emergency alarms,and digital communications
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What is AVL Technology?AVL systems use satellite and land communications to
display each vehicle's
location status
heading
speed on the computer'sscreen.
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AVL System
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Navigation Technologies
There are four types of NAVIGATIONTECHNOLOGIES:-
Global Positioning System
Dead-Reckoning System
Signpost Systems
Radio Navigation Systems
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About GPS: The Global Positioning System (GPS) is a
space-basedsatellite navigation system thatprovides location and time information in allweather, anywhere on or near the Earth, wherethere is an unobstructed line of sight to four ormore GPS satellites.
GPS Satellite
http://en.wikipedia.org/wiki/Satellite_navigationhttp://en.wikipedia.org/wiki/Positioning_systemhttp://en.wikipedia.org/wiki/Positioning_systemhttp://en.wikipedia.org/wiki/Satellite_navigation -
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MORE ABOUT GPS.. There are six different orbiting
patterns that the GPS satellites
follow, making a complete triparound the earth every 12 hours.
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MORE ABOUT GPS..The best position for any
GPS antenna is generally
as high as possible with the
best unrestricted view.
The information regarding
the location of the transitvehicle is calculated
by TRILATERATION method.
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TRACKING SYSTEMS There are two types of tracking systems
PASSIVE TRACKING
REAL TIME TRACKING
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WORKING OF A GPS BASED AVL:
GPS SATELLITES
RADIO SYSTEMS
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Working
continued.
COMMUNICATIONCENTER
DISPATCH SECTION
CUSTOMER ASSISTANCEUNIT
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A GPS BASED AVL sYSTEM
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MAPPING
Maps allow a tangible, understandable view of
vehicles location and will also allow operators toapply local knowledge.
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CURRENT LIMITATION OF
EXISTING METHOD
User compulsory needs a computer to access lost
vehicle information.
User cannot decode GPS coordinates by himself.
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AVL Benefits:
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Uses Of AVLVehicle location display in real-time.
Recording of arrival and departure times (proof of
delivery etc).
Monitoring of driving practices (speed).
Alerts if vehicle leaves or enters a defined area.
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Applications Of AVL In Military
Track Anything
In Cargo
In cargo
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Conclusion By using GPS we can track the location of the vehicle
It is a cost effective and efficient technique
It gives protection to the vehicles and also the accidentalerts
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