A Low-Cost Closed-Loop Solar Tracking System Based on the Sun Position Algorithm

Table 1

Comparison among the three sun trackers using the area under the curve.

Exp no.	Fixed tracker	Optical sensor-based	Algorithm-based
1	6899	7661	7820
2	6901	7729	7895
3	7005	7850	7950
4	6950	7801	7918
5	6769	7499	7750
Average/standard deviation	6905/±78	7708/±123	7867/±72