Application of traffic light


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Application of traffic light

  1. 1. Application A Smart Traffic Light Controller. Prepared by : Rohayu Mohamed (2012434738) Siti Nor Fatin Ghazmi (2012616566) Siti Fatnin Mohd Na’izam (2012475122)
  2. 2. Introduction • Also known as traffic signals, traffic lamps, signal lights and stop lights. • Traffic lights display three lights of a standard color. • Produced to overcome congestion. • Conventional controller based on the 'time-ofthe-day' scheme • Develop fuzzy logic based traffic junction light simulator system
  3. 3. AI techniques used • Application of fuzzy logic. • Provide the attribute of intelligence to the system. • Has the capability of mimicking the human intelligence for controlling the traffic flow. • Contains a fuzzy logic signal time controller system and a fuzzy logic phase sequencer system
  4. 4. AI techniques used • A fuzzy logic controller is designed for an isolated 4Lane traffic intersection • Controlled traffic light uses sensors that count cars instead of proximity sensors which only indicate the presence of cars. • Determine the presence and absence of vehicles in road images. • Extension of the green light if more vehicle is present. • Signal the traffic light to go red if the road is empty.
  5. 5. Advantages of application • Optimum control of fluctuating traffic volumes such as over saturated or unusual load conditions. • Improve the vehicular throughput • Maximises the traffic flow • Control the time intervals of the traffic light. • Decrease delays of vehicles and environmental effects • Increase intersection capacity at same time.
  6. 6. Advantages of application • Reduces the number of accidents • Reduces the average waiting time at red lights • Reduces wastage of time by a green light an empty road. • Better traffic flow leading to greener environment
  7. 7. Future work/conclusion • Problem is overcome and traffic controller are improved by using fuzzy logic. • The flexibility in dealing with uncertainty, logic can be used advantageously for traffic light controlling systems. • For future work, the system can also be linked to a database to keep track of the traffic information which is beneficial for security purposes, pedestrian traffic management and air traffic control. • traditional method for traffic control caused wastage of time by a green light for same time on a less congested road as compare to more congested road. • Image processing is a better technique to control the state change of the traffic light.
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