The Design and Comparison of Central and Distributed Light Sensored Smart LED Lighting Systems

Table 2

The comparison of the proposed distributed sensors lighting with that of the central system.

Time	Solar power (W/m^2)	The total consumed power in distributed sensor smart LED lighting system (W)	The total consumed power in central sensor smart LED lighting system (W)	∆P (power difference) (W)
18:00	8	16.2	32.4	16.2
18:15	7.1	21.6	43.2	21.6
18:30	6.2	34.5	69.2	34.6
18:45	4.6	44.6	89.2	44.6
19:00	2.9	61.9	123.8	61.9
19:15	2.1	84.9	169.9	84.9
19:30	1.3	104.4	165.6	61.2
19:45	0.1	143.6	143.2	−0.4
20:00	0	146.1	146.1	0
20:15	0	146.1	146.1	0
∆Mean