Development of a smart traffic light system using a solar-powered standalone PV system

Ariff, Azlyn Arissya (2022) Development of a smart traffic light system using a solar-powered standalone PV system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, electricity generation from standalone solar energy is increasing and gaining a lot of demand, especially in developing smart technology such as intelligent traffic light systems. A standalone solar PV system can generate, store and supply power to the traffic light without depending on the grid supply. Moreover, the conventional traffic light system is inefficient. The conventional system uses a fixed timing system for each lane and depends on the grid supply to operate, which can sometimes malfunction due to power failure and cause road accidents. A smart traffic light system using a solar-powered standalone PV system has been developed to overcome this problem. This project aims to analyze the existing traffic light system by studying related articles, journals and previous works, to design and develop a smart traffic light system integrated with standalone PV solar power, and to evaluate the suitability of solar panels, charge controller, batteries and sensors in a smart traffic light system. The smart traffic light system uses infrared (IR) sensors to detect traffic density. The Arduino Nano is used as the microcontroller to control the timer of the traffic light system and change the signal appropriately based on the vehicle density. LED traffic light modules have been used to represent the traffic light signal. Thus, with the integration of a standalone PV solar system, the PV solar can provide enough electricity to power the smart traffic light system and overcome many mishaps on the road due to traffic light malfunction.

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