Design of intelligent traffic light system for efficient traffic flow

Tiong, Nathanael Yong Sing (2017) Design of intelligent traffic light system for efficient traffic flow. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This final year project focuses on design and analysis of traffic light control system. In traffic light control system, the effectiveness of the system is very important to reduce the heavy traffic density. However, traffic jam always happened especially during peak hours. Therefore, an intelligent technology was studied and implemented to the traffic light control system to minimize cars density at traffic light junctions. In this project, an intelligent traffic light was design using fuzzy logic controller to reduce the cars accumulated at traffic light. The controller was designed using membership function with the help of fuzzy rules and all numerical analysis were performed using MATLAB Software. There are 2 fuzzy logic controllers were designed which consists of 81 rules in each controller. The analyses are mainly focus on the percentage of number of cars accumulated per cycle in high traffic car density. There is some traffic implemented and conditions set for both conventional and intelligent traffic light system. The systems were simulated based on the condition designed. Results obtained showed that intelligent traffic light has better performance and effectiveness than conventional traffic light. In condition 1, intelligent system shows 51.62% and 40.78% higher efficiency than conventional traffic light in the jamming lanes. In condition 2, intelligent system shows 53.10% and 31.76% higher efficiency than conventional traffic light in the jamming lanes. In condition 3, intelligent system shows 39.98%, 40.99% and 44.19% higher efficiency than conventional traffic light in the jamming lanes. In condition 4, intelligent system shows 20.57% and 52.18% higher efficiency than conventional traffic light in the jamming lanes. Further improvements are suggested to extend the intelligent traffic light system into physical setup and real traffic environment such as actual average velocity of the cars passing through the junction should be considered.

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