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8/6/2019 Auto Luminescent Auto Mobile (Alam)[1]2xxx
http://slidepdf.com/reader/full/auto-luminescent-auto-mobile-alam12xxx 1/21
AUTO LUMINISCENT AUTOMOBILE
(ALAM)
1
ABRAHAM GEORGE
AJITH RAVINDRANJITHIN M KURIAN
VIVIN J GEEVARGHESE
Guided By Er. VINOJ P
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2
THE SPARK
Majority of road accidents occur when the driver
is blinded by the light f rom an opposing vehicle
An aut omatic lighting control system could go a
long way in providing the solution
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FEATURES
An Aut omobile with built in luminous control
mechanisms.
Utilizes multiple sensors t o gauge parameters.
Multi-situation sensitive contraption utilizing PIC
16F877A
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FORERUNNERSy AUTRONIC EYE : The f irst aut omatic headlight
dimmery G UIDEMATIC : It had a more compact dasht op
housing and a swit ch that allowed drivers t o adjust
the system's sensitivity threshold.
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WHERE THEY FALTER
y
Do not have a compact location for the system.
y Non-responsive when driver approaches a vehicle
f rom behind.
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BLOCK DIAGRAM
PIC16f 877A
Phot o Detect or
Pressure Sensor 1
Pressure Sensor 2
D.C. Mot or
Head Lamp and Holder
SPST Relay
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DESCRIPTION
y The phot odetect or detects the presence of opposing
vehicles by sensing the light emitted
y The ultrasonic sensor detects the ultrasound ref lected
f rom vehicles in same track .
y The pressure sensors determine the mass inside the
vehicle.
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Continuesy The speedometer gauges the speed of the vehicle.
y The PIC16f 877A microcontroller compares these
values with suit able ref erence values.
y Subsequent adjust ments are made t o the position of
the headlight using the mot or and the intensity usingthe relay.
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HURDLES� Familiarization with PIC
� Inst ant aneous A-D Conversion.
� Non-availability of a suit able pressure sensor.
� Interfacing of ultra sound sensor with PIC.
y Lack of information regarding the head light
focusing mot or used in Maruthi car.
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Continued......y Non availability of an ultrasonic sensor in the
mark et with suit able range
y Interfacing problems of Digit al speedometer
y
Familiarization of ORCAD
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TROUBLE SHOOTINGy The ref erence values for A-D conversion was
satisfact orily obt ained
y Phot o detect or section was adopted for co-
directional traff ic as well due t o the non-
availability of suit able ultra sonic sensor
yMass dependent beam adjust ment was successf ully
tested primary level.
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STATUSFinalized components based on compatibility and
availability.
Found out the ref erence value for comparison for the
phot o transist or.
Practical compatibility of phot o transist or was testedin road.
Program was written for PIC using Mik ro C
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CONTINUEDy The phot otransist or section for beam cont ol was
successf ully implemented breadboard level
y The beam adjust ment corresponding t o vehicle
occupancy was successf ully implemented
breadboard wise
y The PCB design and layout was done based on
ORCAD
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PROSy Towers over existing peers with its versatility.
y Fully aut omatic vehicle light control aiding saf ety.
y The revolutionary Third Eye in aut omobiles.
y Cost eff ective.
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CONSy Completely eff ective only if implemented
universally.
y CMOS cameras are better in discriminating
vehicles with street lights, road signs et c.
y Sensitive t o dim light only at short dist ance
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IMMEDIATE FUTURE SCOPESy Including a compatible digit al speedometer
y
Introducing a load cell for similar deviceseff ectively
y Availability of an ultrasound detect or with
suit able range
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BACK TO THE FUTURE
y Intelligent Light System
y Adaptive High beam
y Swivelling Head lights
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REFERENCESyWEBSITES
y www.aut omobilesreview.com
y
www.aut omobileinst ant.orgy www.tradek ey.com
y www.vehicleexclusive.com
y www.alldat asheets.com
y BOOKS
y PIC Micropcontrollers A.V Deshmuk h
y 8051 Muhammed Ali Mazidi.
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