Microcontroller Based Automatic Railway Gate control
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Transcript of Microcontroller Based Automatic Railway Gate control
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Microcontroller based Microcontroller based Automatic railway gate controlAutomatic railway gate control
By:
Sonti Atchyuth
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AgendaAgendaPresent Scenario.Automatic railway gate system.Schematic diagram.Detailed description.The sensor set.Working of the sensor set.MicrocontrollerAlgorithmFlow chart AdvantagesDisadvantages
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The Present ScenarioThe Present ScenarioGenerally the railway crossings are of two types
1.Manned
2.Unmanned
A lot of time is wasted due to this particular system.
Many errors occur due to the manual operation of the entire system.
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The Real time exampleThe Real time example
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The Automatic railway gateThe Automatic railway gateThe arrival and departure of trains is done by the
sensor set.The automatic railway gate has two main
advantages:1. The reduction of time for which the gate is
being kept closed.
2. To provide safety for the road users by reducing the accidents as there is no scope of human errors in this case.
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The Schematic diagramThe Schematic diagram
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The Detailed DescriptionThe Detailed Description
Initial Signal DisplayTrain Arrival DetectionWarning for Road UsersSensing For Vehicles Gate Closing OperationSignal For Train Train Departure DetectionGate Opening Interrupt
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The Sensor SetThe Sensor SetA sensor set is used in all these places instead of
a single sensor.
The sensor set consists of the following sensors:
1.) An IR sensor.
2.) A Sound sensor.
3.) A Thermal sensor.
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Working of the Sensor setWorking of the Sensor setAll the above 3 sensors are ANDed together and
they form a single sensor set.
So to trigger the entire set, we need to trigger all the above sensors.
The reason why we go for this type of sensor set is to make it triggered ‘only’ by a train thus this increases the reliability of the system.
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MicrocontrollerMicrocontroller
• This forms the brain of the entire system.• Atmega 328 using arduino platform is used for
the programming of this logic. Microcontroller “Atmega 328” performs
the complete operations of
◦ Sensing
◦ Closing of the gate
◦ Opening of the gate operation done by software code written on the controller.
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ArduinoArduino
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Arduino IDEArduino IDE
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AlgorithmAlgorithm 1: Make initial settings of the signals for the train and road users. 2: Check for the arrival of the train in either direction by the
sensors. If the train is sensed go to 3 otherwise go to step 2.
3: Make the warning signal for the road users and set the signal for the train.
4: Check for the presence of any obstacle using sensors. If no obstacle, go to step5 otherwise repeat step4.
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Algorithm contd…Algorithm contd…5: Close the gate .
6: Change the signal for the train.
7: Check for the train departure by the sensors. If the train sensed to next STEP. Otherwise repeat STEP 7.
8: Open the gate.
9: Go to STEP 3.
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Make the initial settings for train & road users
If arrival of train in either of directions
Buzzers & signal warnings to road users
Stop warning & close the gate
Set the signal for train
If train departure
Open the gate
If obstacles
Flow ChartFlow Chart
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AdvantagesAdvantagesPrevention of accidents inside the gate.
Reliable machine, which operates the railway gate even without gatekeeper which makes it useful for operation at unmanned crossings.
Power supply for the motor operation and signal lights is required.
Battery which is charged by means of a solar cell can be used in remote areas where the power supply can’t be expected.
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Advantages of the microcontrollerAdvantages of the microcontroller
Cheap
Open source hardware and software
Easy learning curve
Extensible
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DisadvantagesDisadvantagesTo establish the entire network it is quite a costly
task. Since these are the issues of the government cost doesn’t matter a lot.
The Arduino board is a delicate device so it has to be handled carefully.
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ConclusionConclusionAvoids manual errors & provides ultimate safety to
road users.
Gatekeeper not necessary and automatic operation of the gate through the motor.
The mechanism works on a simple principle.
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Queries??????Queries??????