Automatic Railway Gate Control

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An
Industrial training report
On
AUTOMATIC RAILWAY GATE CONTROL
Submitted in partial fulfillment of the requirement of the degree of BACHELOR OF ENGINEERING
In
ELECTRONICS AND COMMUNICATION ENGINEERING
By

M.SHALINI

ANIL NEERUKONDA INSTITUTE OF TECHNOLOGY AND SCIENCES
Sangivalasa -531162, Bheemunipatnam (mandal) Visakhapatnam, Andhra Pradesh
2009-2013

ACKNOWLEDGEMENT

Our sincere thanks and gratitude to Roshan sir for all the support and kindness he has bestowed upon us and without whose help, the project would not have been remarkable at all. The strong theoretical foundation that he has laid and his innovative ideas and timely help helped us a lot for completion of the project.

Our sincere thanks to all people at UTL Technologies, who extended their help and support to us.
Our sincere thanks to Dr. Ramesh Challagundla, for giving us this great opportunity and for the care and concern he has shown ever since we set foot in the Department of ECE.
Our sincere thanks to Dr. V.S.R.K Prasad, principle of ANITS, for providing us this wonderful opportunity to strengthen our skills in the area of our interest.

CONTENTS

TITLEPAGE NO
1. INTRODUCTION………………………………………..5 2. SYSTEM REQUIREMENTS……………………………7
3. HARDWARE IMPLEMENTATION…………………...9
3.1 Block diagram…………………………………………………....9 3.2 Working………………………………………………………….10 3.3 Power supply…………………………………………………….11 3.4 Regulator……………….………………………………………..13 3.5 Power supply waveforms…………………………………..........15 4. SYSTEM SPECIFICATION……………………………16

4.1 8051 Microcontroller…………………………………………16 4.2 LCD 16*2…………………………………………………….28 4.3 Stepper motor………………………………………………...32 4.4 ULN 2003…………………………………………………….34 4.5 RF transmitter and receiver…………………………………..35 4.6 IR sensor module……………………………………………..37 4.7 About keil compiler ………………………………………….39 5. FLOWCHART.......................................................................41 5.1 Working………………………………………………………….41 5.2 Flowchart…………………………………………………………42 6. APPLICATIONS AND LIMITATIONS……………………44

7. CONCLUSION AND FUTURE ENHANCEMENT……45
RESULT AND TESTING…………………………………..46 REFERENCES………………………………………………………47
APPENDIX...............................................................................48

CHAPTER 1
INTRODUCTION
The objective of this project is to design a working module for controlling an unmanned railway gate automatically using embedded platform. This project uses a micro controller board to automate opening and closing of railway gate using RF and IR. In recent years, railway gate management system has become very critical due to the lack of efficiency of personnel. Today often we see news papers about the railway accidents happening at un- attended railway gates. Present project is designed to avoid such accidents if implemented in spirit. This project is developed in order to help the INDIAN RAILWAYS in making its present working system a better one, by eliminating some of the loopholes existing.

In this particular system, we use embedded controllers for controlling applications. It is designed to meet all the requirements with little or no human interference. The equipment consists of a transmitter section and receiver section. It will have sensors on the railway track few KM away on the either side. We call the sensor that is placed in the direction of train arrival as ‘foreside sensor’ and that is placed on the other side as ‘after side sensor’. As soon as the train passes the foreside sensor, it will get activated and the transmitter will send a signal to the “Gate Control System”. This will activate the gates and they will be closed while the train is arriving. Similarly, when the train passes the after side sensor that is placed a few KM away on the other side, that sensor gets activated and transmits a high signal to the “Gate Control System”. Then the “gate control System” will again activate the railway gate...
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