Abstract
Solar panel efficiency can be increased by improving the quality of photovoltaic material, the effectiveness of electronic circuit, and the light source tracking model. This research is aimed at improving the quality of solar panels by tracking light source using a fuzzy logic sensor. A fuzzy light sensor property is obtained from two LDR (light dependent resistor) light sensors installed in parallel to each other and is given a light separator in between them. Both sensors are mounted on a solar panel. Sensor output is acquired using a 12 bit ADC from an ATSAM3XE microcontroller and is then sent to a computer using WIFI radio. A PID (Proportional-Integral-Derivative) control algorithm is used to manage the position of the solar panel in line with the input given by the fuzzy light sensor. This control mechanism works based on the margin of fuzzy membership from both sensors that is used to move a motor DC that in turn moves the solar panel. Experimental results show a characteristically symmetrical fuzzy membership of both sensors with a reflected correlation of R=0.9981 after gains from both sensors are arranged with a program. Upon being tested in the field, this system was capable of improving the performance of solar panels in gaining power compared to their original fixed position. The discrepancy was evident when the angle of incoming sunlight approached both 0° and 180°. Further calculations of data acquired by the fuzzy light sensor show increased solar panel power efficiency by up to 5.6%.
Highlights
Energy crisis is one of the biggest problems is most countries
Sensors made of Light Dependent Resistors (LDRs) can be configured to be a light sensor with the properties of a fuzzy logic when they are installed parallel and given a light separator
The characteristics of this LDR fuzzy sensor is exponential with mirroring symmetry of correlation coefficient up to R=0.9981
Summary
Energy crisis is one of the biggest problems is most countries now. Energy crisis is one of the biggest problems is most countries This issue has great effects on humanity. The technology required to convert solar energy into electric power is the photovoltaic solar panel (solar cell) made of semiconductor materials. Solar cell is advantageous from both environmental and efficiency point of views in transmitting power as the electric source can be placed near the facilities using it [2]. The efficiency in converting solar energy into electric power in solar panels is still a hot issue today. Efforts have been carried out to improve this efficiency by among others improving the photovoltaic material, using converter circuits, and tracking sunlight to maximize the power gained by a solar cell
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