Smart traffic light control system

Optimisation of Traffic Light Control System Using Fuzzy Logic and Set Theory

“…After computing the traffic density using sensors, only the on time duration of green light is varied in some papers [1][2][3] [13,15]. In some other papers only the green light selection sequence is varied.…”

“…IR sensors are used to find the traffic density, in some papers [1][7-11] [15]. Some of the papers use ultrasonic sensors for that purpose [12] and some other use inductive loop sensors [2].…”

“…It can be explained as follows: Consider a set A={(2,6), (4,8), (1,2),(3,4),(5,6), (7,8), (1,5),(3,7)}, which is the set of all possible combinations of traffic flow. Let (a, b) = (b, a) in the set.…”

“…Many of the literatures consider only the mono-directional non-lane based roads in their work [1][2][3][5][6][7][8][9][10][11]. Some of the papers calculate the average waiting time, by counting the number of vehicles in the queue with the assumption that, all the vehicles are of same length and speed [14].…”

“…Construction of new roads, bypass roads, flyovers and rings can partially fulfill the goal of congestion less transportation [1]. But the existing conventional traffic lights are yet to be changed, since they work under prefixed logic and they are not real time systems.…”