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Density Based Intelligent Traffic Light Control System Using High Range IR Sensors
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In current traffic system most of the traffic lights controls are based on a 'fixed timing' i.e., same time duration will be repeated even if the traffic density is minimum or maximum. In this paper the traffic light is controlled depending upon the traffic density is proposed. Here the traffic lights changes dynamically based on the traffic density by using pair of IR Sensor to continuously sense the density of traffic. The IR receiver output is given as the input of microcontroller in serial communication.The microcontroller will allocate the time slot according to the input of sensors, and then the CPU sends appropriate time to show on the seven segment display unit. When the allocated time is completed then the process will be shift into the next road. The same procedure it follows on each road. This system is designed by using PIC Microcontroller and three pairs of IR sensors on each lane. Here priority based operations by using the round robin algorithm is done. So, that each road will be cleared simultaneously. This system is mainly used to reduce the waiting time, avoid fuel wastage, and also manage the traffic load at the intersection adaptively, so that the traffic can be avoided.
Keywords
IR (Infrared) Sensor, PIC Microcontroller, Seven Segment Display.
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