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AUTOMATIC GATE CONTROL FOR OPENING
AND CLOSING SYSTEM
ABSTRACT
Aim of this project is to operate and control the unmanned gate in the
proper manner in order to avoid the accidents in the unmanned crossing. The
train accidents due to the absence of human power in the crossing are the
major problems faced by the population. In order to overcome the accidents
due to the above problem
The components to be involved in this project are PIC controller, IR
transmitter and receiver and the control circuit for the railway-crossing gate.
The IR transmitter and a receiver will be placed in the certain distance
[e.g.10km from the left and right] from the level crossing. In the absence of
the train arrival the data will be getting transmitted from the transmitter to
the receiver at that time the gate will be in the opened condition.
During the movement of the train from the left to right through the
track the data from the IR transmitter and the receiver will get stopped at
that time the signal will be given to the controller which controls the gate
controlled circuit. As soon as the control circuit receives the signal it closes
the level crossing gate. At the time when the IR receiver placed in the right
side receives the data from the transmitter placed at the same time the signal
will be given to the controller which controls the gate controlled circuit. As
soon as the controlled circuit signals the gate gets opened.

2. The same process will be repeated for the train travelling from right to
left. The only change is the gate will open based on the signal from the right
side placed transmitter/receiver and gate will get closed based on the signal
from the left side placed transmitter/receiver
LINE DIAGRAM OF THE SYSTEM
TRAIN
SENSOR-2
CONTROLLER
RELAY
DRIVER
& RELAYS
DC
MOTOR
Gate
TRAIN
SENSOR-1
ADVANTAGES:
 This system determines the accurate position than the manual
method.
 This system reduces the manufacturing lead time.
 This system eliminates the manual work.
 Highly accurate and more efficient.
 Compact and quick response.
Disadvantage
 Maintenance cost is higher
 Electronic system may failure at any time