Adaptive Lighting System for Automobiles

When a vehicle is driven on the highway at night, it is required that
light beam should be of high density and should illuminate the road at a
distance sufficiently ahead. However, when a vehicle coming in the
opposite direction approaches the vehicle with a high-beam headlight,
driver of that vehicle will experience a glare, which may blind him.
This dazzle effect is one of the major problems faced by a driver in
night driving. To avoid this impermanent blindness, a separate filament
is usually fitted in the “dual-filament” headlight bulb in a position
such that light beam from this second filament is deflected both down
and sideways so that the driver of the oncoming car is not blinded. In
practice, one mechanical dimmer switch is used by the driver to manually
select high (bright) or low (dim) headlight beam. However, this is an
awkward task for the driver especially during peak traffics.

Our project “Adaptive Lighting System for Automobiles” is a smart
solution for safe and convenient night driving without the intense
dazzling effect and aftermaths. Adaptive Lighting System for Automobiles
needs no manual operation for switching ON and OFF headlight/downlight
(Bright/Dim) when there is a vehicle coming from front at night. It
detects itself whether there is light from the front coming vehicle or
not. When there is light from front coming vehicle, it automatically
switches to the downlight and when the vehicle passes it automatically
switch back to headlight. The user can adjust the light detection
sensitivity of this Adaptive Lighting System.

Proposed electrical wiring diagram for existing connection



Schematic Circuit Diagram


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