global positioning system
DESCRIPTION
TRANSCRIPT
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GPS TRACKING WITH PIR APPLICATION
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AIM OF THE PROJECT
This project intends us to geotag a particular location in accordance with movement detection by using GPS module and PIR sensor respectively.
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BLOCK DIAGRAMPIR
SENSOR
POWER SUPPLY
16x2 LCD
LEVEL CONVERTER
GPS MODULE
MICROCONTROLLER
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DESCRIPTIONThe project deals with a GPS module and a
PIR sensor.The GPS module is a satellite based system
and tracks the location of the objects.The PIR sensor is an infrared radiation based
sensor .It detects the movement of the objects within a
radius of 5m.
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MICROCONTROLLER
The microcontroller used is AT89C52.
This is an 8 bit microcontroller.
It has a 8k of reprogrammable flash memory.
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GLOBAL POSITIONING SYSTEM(GPS)
The GPS is a satellite-based system.
GPS works in any weather conditions,
anywhere in the world,24 hours a day.
The GPS gets the longitudinal and
latitudinal value of the human location.
The GPS receiver receives the longitudinal
and latitudinal value.
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STRUCTURE OF GPS
The gps consists of three parts. They are
Space segment User segment Control segment
Space segment: This segment consists of the
satellite system These helps us to locate the
position by broadcasting the signals.
S p ace S eg m en t C on tro l S eg m en t U ser S eg m en t
G P S
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• User segment: This segment includes the military
and civilian users. This consists of a sensitive
receiver that helps to detect the signals.
This also comprises of a computer to convert the data into useful data.
The GPS receiver is used to locate the position
Control segment: This segment helps the entire
system to work efficiently. This takes care of the satellite
system ,updating the transmission signals and maintains the satellites in their appropriate orbits.
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WORKING PROCESS
GPS MODULE Connect GPS power supply with less than or
equal to 12 v dc power supply. Select mode selector switch towards RS 232
level. Initialize GPS with PC and allow for atleast 15 min. Record one cycle information with reference
to fixed command($GPRMC).
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IDENTIFICATION OF GPRMC
Formatting starts with $ and ends with * followed by two numbers.
SYNTAX:
$<SPACE>GPS COMMAND<SPACE>PACKET ID
FLAG LONGITUDE FLAG LATTITUDE FLAG REAL TIME DATE &END FLAGS.
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FLAG
If flag=A ,a valid packet is available.
If flag=V ,repeat the procedure upto flag=A.
Longitude-9 digit number, the first 4 can be considered for implementation.
Latitude-9 digit number, the first 4 can be considered for implementationTime format:
Time format needs adjustment with reference to GMT.Date format:
Date-month-year.
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OPERATION:
Connect serial communication with system comm. port.
Take 12v dc input and apply to GPS.
Switch on GPS and select mode pin.
GO TO SYSTEM MENU
↓
ALL PROGRAMS
↓
ACCESSORIES
↓
COMMUNICATION
↓
HYPER TERMINAL
↓
OPEN NEW LINK
↓
SELECT COMM PORT
↓
SET BAUD RATE (9600)
↓
RESTORE DEFAULT SETTINGS FOR SERIAL PORT
Then commands appear displaying latitude, longitude, time and date formats.
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PIR SENSOR
A Passive Infrared sensor.
This measures infrared light radiating from objects in its field of view.
Motion is detected when an infrared source with one temperature, such as a human, passes in front of an infrared source with another temperature, such as a wall.
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The PIR Sensor senses the motion of a human body by the change in surrounding ambient temperature when a human body passes across.
Then it turns on the lighting load to which it is connected.
The lighting load remains on until it senses motion.
Once the motion is seized it switches off the lighting load.
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GEOTAGGING THE MOVEMENT
Initialize GPS. Initialize embedded board. Connect PIR sensor towards main module and reset the system. Connect GPS receiver and reset the system. For movement observation allow object to move less than 5m with 120 degrees viewing angle with respect to PIR base. Notice movement along with GPS data and identification of places.
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16X2 LCD: LCD (Liquid Crystal Display)
screen is an electronic display
module and find a wide range
of applications
The 16X2 Parallel LCD is
an 16 bit parallel
interfaced LCD.
This unit allows the user to
display text, numerical data
and characters
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POWER SUPPLY 230vAc mains are stepped down by
transformer.
The transformer output is rectified by a
full-wave bridge rectifier.
The capacitors used in the circuit bypass the
ripples present in the regulated power supply.
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GPS AND PIR OVERVIEW
The GPS module is connected to the port3The pir sensor is connected to the port2.According to the interrupt priority the
microcontroller serves the external interrupt.The serial interrupt is then served which is
produced by the GPS module. The location of that particular movement is
then displayed on the LCD.
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ADVANTAGES Very easy installation.
No separate wiring is required hence no additional installation cost.
PIR sensors are generally compact and can be fitted into virtually any electronic device.
They do not need an external power source because they generate electricity as they absorb infrared light.
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LIMITATIONS
PIR sensors can only receive infrared light and
cannot emit it like other types of infrared
sensors.
They can be expensive to purchase, install, and calibrate as well.
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APPLICATIONS
This project is widely applicable in Prohibited areas. Archeological surveys. Detection of unauthorized entries in the
border security. Navigation. Burglar alarm control panels. Home security systems.
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FUTURE SCOPE
This project has it’s advancements in areas of
Army Automobiles Aircraft Navy Archeological surveys
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CONCLUSION The technology of the Global Positioning
System is allowing for huge changes in society.
More reliable and accurate measurements. Less costly to corporations - since the error
removing equipment will no longer be needed. More affordable and accessible to consumers. Greater incentive for the development of
new uses.
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THANK YOU