The design and implementation of a four – way traffic light control circuit

 

Table Of Contents


  • <p> </p><p>Title page</p><p>Approval page</p><p>Dedication</p><p>Acknowledgement</p><p>Table of contents</p><p>Abstract</p><p><b>

Chapter ONE

INTRODUCTION

  • </b></p><p>
  • 1.0Introduction</p><p>
  • 1.1aims of the project</p><p>
  • 1.2Methodology</p><p><b>

Chapter TWO

LITERATURE REVIEW

  • </b></p><p>
  • 2.0A Review on the Traffic Light Control System</p><p>
  • 2.1The Power supply unit</p><p>
  • 2.2The transformer</p><p>
  • 2.3The rectifier</p><p>
  • 2.4The filter</p><p>
  • 2.5The Voltage Regulator</p><p>
  • 2.6The Digital Logic Circuit</p><p>
  • 2.7The Oscillator</p><p>
  • 2.8The Counter</p><p>
  • 2.9The Decoder</p><p>
  • 2.10The Logic Gates</p><p>
  • 2.11The Power Circuit</p><p>
  • 2.12The Booster/Amplifier Stage</p><p>
  • 2.13The Lamp/LEDS</p><p><b>

Chapter THREE

SYSTEM DESIGN AND IMPLEMENTATION

  • </b></p><p>
  • 3.0The Traffic Light Control</p><p>
  • 3.1The Power Supply Design Specifications</p><p>
  • 3.2The Transformers</p><p>
  • 3.3Rectifier</p><p>
  • 3.4The Filter Capacitor</p><p>
  • 3.5The Voltage Regulator</p><p>
  • 3.6The Digital Logic Design</p><p>
  • 3.7The Oscillator</p><p>
  • 3.8The 4017 Decade Counter</p><p>
  • 3.9The output Logic Gate Circuit</p><p><b>

Chapter FOUR

SYSTEM TESTING AND EVALUATION

  • </b></p><p>
  • 4.0Problem Encountered</p><p>
  • 4.1Construction and Testing</p><p>
  • 4.2Cost Analysis</p><p>
  • 4.3The overall Circuit Diagram of the $-way Traffic Light Control</p><p><b>

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

  • </b></p><p>
  • 5.1Conclusion</p><p>
  • 5.2Recommendations</p><p><b>REFERENCES.</b></p><p>&nbsp; </p> <br><p></p>

Project Abstract

<p> </p><p>This work has been aimed at efficient means of controlling the traffic effectively for twenty-four hours. As the world is growing technologically more and more vehicles jump into the public road adding to the already existing number. Consequently, more efficient way of controlling the traffics becomes more desirable as compared to the obsolete way of using the traffic personnel’s.</p><p> The design of this traffic light control is grouped basically into three; digital logic design, the power circuit and the power supply design. The digital logic design is based on integrated circuits which happens to be the modern way of designing digital systems, the power circuit design is aimed at lighting the different LEDS as and when due, while the power supply design strives to achieve a constant 8V dc supply for powering the circuit.</p><p> For this work, the frame with the LEDS mounted on it has been constructed, the driven circuit was implemented and the entire system enclosed in the smoothened frame.</p><p> The realized work was tested and guaranteed to give a firmly good level of performance.</p> <br><p></p>

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