HIGH LEVEL MODELLING OF REAL TIME TRAFFIC LIGHT CONTROLLER

摘要

The objective of this paper is to design and implement traffic control system. The system developed is able to sense the presence of vehicles within certain range by setting the appropriate duration for the traffic signals to react accordingly. By employing logical functions to calculate the appropriate timing for the signals to illuminate, the system can help to solve the problem of traffic congestion. The use of FPGAs (Field Programmable Gate Arrays) is an interesting new phenomenon in VLSI development. FPGAs offer all of the features needed to implement most complex designs. Hardware simulation tests were successfully performed on the algorithm implemented into a FPGA (Field Programmable Gate Arrays). The main object of the paper is to design a Real Time Traffic Light Controller (RTTLC) using VHDL and implement the RTTLC in XILINX SPARTAN - 3 FPGA.