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. 2022 Feb 10;22(4):1341. doi: 10.3390/s22041341

Table 6.

Number of sensors powered for each movement frequency. The energy was calculated for 900 s.

Frequency f (Hz) Total Generated Energy E(J) Total Power
PT (mW)
Maximum Number of Sensors N Energy Used to the Sensors E (J) Excess Energy Stored ∆E (J) Excess Power
∆P (mW)
0.1 1.18 1.31 1 0.85 0.33 0.37
0.15 1.78 1.98 2 1.70 0.08 0.09
0.2 2.97 3.30 3 2.55 0.42 0.47
0.3 4.56 5.07 5 4.25 0.31 0.34
0.4 6.96 7.73 8 6.80 0.16 0.18