DESIGN OF INTELLIGENT TRAFFIC CONTROLLER USING EMBEDDED SYSTEM

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AIM:

To develop an intelligent traffic system that monitors the density of the traffic at the junction and gives the green signal accordingly and also to know the position of the traffic by using GSM technology.

PURPOSE:

 

In metropolitan there are many problems that are occurring every day due to these reasons like Heavy Traffic Jams No traffic, but still need to wait, Emergency car stuck in traffic jam, Lack of Traffic Information to users. In order to overcome these problems we have developed a project called intelligent traffic controller.

BLOCK DIAGRAM:

JUNCTION :

20 proj

EMERGENCY VEHICLE:

 

20 proj1

PROJECT DESCRIPTION:

The Infrared Sensors to detect density of vehicles is mounted on road. The presence or absence of a vehicle is sensed by a sensor assembly mounted on each road. This acts as an input to the Intelligent Traffic Light Controller unit.

This input signal indicates the length of vehicles on each road. The ITLC unit generates output signals for Red and Green Signals and monitors their timings taking into considerisation the length of vehicles on each road. The same information is transmitted to the mobile user which will request for congestion status. If a vehicle driver at junction sends sms on GSM mobile phone to ITLC unit, the driver will get message indicting congestion status of road.

The basic operation of ITLC can be realized by using embedded system which has advantages of simplicity, user friendly, easily programmable and a facility for GSM mobile interface. In our proposed model the basic operations are implemented using Microcontroller.

The signals from sensor assembly will be applied to input switching circuit. These input signals from sensors will be in the form of digital signals which corresponds to presence or absence of a vehicle. These digital signals from each lane will be given to the input port of microcontroller, where the microcontroller will determine the length of vehicle at each lane. This information is the input to microcontroller to determine various timing signals. The on and off time of the four junctions will be calculated by microcontroller, in order to keep waiting time minimum.

 

 

Hardware:

  • LCD
  • Micro Controllers
  • GSM
  • Zigbee transreceiver
  • IR Sensors & Photodiodes
  • Traffic signlas

SOFTWARE:

  • Embedded C
  • Keil IDE
  • Uc-Flash

RESULT:

Hence we developed an intelligent traffic controller which determines the traffic density and gives the signal accordingly.

 

 

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