Fuzzy Controller Design of Lighting Control System By Using VI Package

Ragavan Saravanan


This paper describes how we design a lighting control system including hardware and software. Hardware includes Dimmer with relays Bulb light sensing circuit, control circuit, and 8255 expanding I/O circuit, PC, and bulb.   Sensing circuit uses photo-resistance component to sense the environmental light and then transmit the signal of the lightness to the computer through an 8-bit A/D converter 0804.  The control circuit applies reed relay in digital control way to adjust the variable resistor value of the traditional dimmer.  Software incorporates LABVIEW graph- ical programming language and MATLAB Fuzzy Logic Toolbox to design the light fuzzy controller.  The rule-base of the fuzzy logic controller either for the single input single output (SISO) system or the double inputs single output (DISO) system is developed and compared based on the op- eration of the bulb and the light sensor.  The control system can dim the bulb automatically according to the environmental light.   It can be applied to many fields such as control of streetlights and lighting control of car’s headlights and it is possible to save energy by dimming the bulb.  Experimental results show that the fuzzy controller with the DISO system can make bulb response faster than with the SISO system under sudden change of environmental light.

DOI: http://dx.doi.org/10.11591/ij-ai.v1i2.441

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IAES International Journal of Artificial Intelligence (IJ-AI)
ISSN/e-ISSN 2089-4872/2252-8938 
This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).

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