Automatic Lamp Illumination System

Muhammad Faizal, Md Ali (2013) Automatic Lamp Illumination System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Automatic lamp illumination system is one of methods that can reduce energy consumption in household. Uncontrolled energy consumption will affect the health of earth such as global warming and have to pay more for electrical bill. By controlling the lamp illumination automatically, the lighting system becomes more efficiency to reduce the problem. The lamp system at the house is either a manual operation that used human energy to turn ON/OFF the system or others system that has manual dimming control. Thus, automatic lamp illumination system is design to reduce human energy usage. This system is operated depends on the Passive Infra Red sensor (PIR) to sense the human movement. The method that is used to control lamp illumination level is the Pulse Width Modulation (PWM). This method will control power delivered to the load by using ON/OFF digital signal. By varying the duty cycle, average DC value of the signal can be varied. The brightness of the lamp based on the surrounding illumination to perform the decreasing of the energy consumption. The surrounding brightness is detected by using Light Depending Resistor (LDR). The resulting automatic light illumination control is well suited to apply for household usage to reduce the energy consumption and make the human life easier.

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