Multi-source Harvesting Systems for Electric Energy Generation on Smart Hip Prostheses - Biomedical Engineering Systems and Technologies - page 68

Ta b l e 3 . TEEH generator — modulation error (J) of the energy

Amplitude Frequency (Hz)

(mm) 0.5 1 1.5 2 2.5 3 3.5 4

0 . 17 (1) 0 . 01 (2) 0 . 03 (2) 0 . 01 (3) 0 . 003 (4) 0 . 01 (4) 0 . 01 (4) 0 . 02 (4)

10

0 . 16 (1) 0 . 01 (2) 0 . 10 (2) 0 . 03 (3) 0 . 01 (4) 0 . 01 (4) 0 . 02 (4) 0 . 02 (4)

15

0 . 14 (1) 0 . 02 (2) 0 . 18 (2) 0 . 06 (3) 0 . 01 (4) 0 . 02 (4) 0 . 02 (4) 0 . 11 (4)

20

0 . 13 (1) 0 . 04 (2) 0 . 29 (2) 0 . 08 (3) 0 . 02 (4) 0 . 01 (4) 0 . 08 (4) 0 . 40 (4)

25

0 . 11 (1) 0 . 07 (2) 0 . 42 (2) 0 . 12 (3) 0 . 01 (4) 0 . 07 (4) 0 . 29 (4) 0 . 50 (4) 30

0 . 09 (1) 0 . 10 (2) 0 . 53 (2) 0 . 14 (3) 0 . 06 (4) 0 . 29 (4) 0 . 44 (4) 0 . 47 (4)

35

0 . 06 (1) 0 . 14 (2) 0 . 69 (2) 0 . 07 (3) 0 . 13 (4) 0 . 49 (4) 0 . 45 (4) 0 . 41 (4) 40

(1)

× 10 − 6 ; (2) × 10 − 5 ; (3) × 10 − 4 ; (4) × 10 − 3 .

Ta b l e 4 . TEEH generator — modulation error (V) of the peak-to-peak voltage

Amplitude Frequency (Hz)

(mm) 0.5 1 1.5 2 2.5 3 3.5 4

10 0 . 05 0 . 02 0 . 003 0 . 01 0 . 003 0 . 06 0 . 08 0 . 11

15 0 . 03 0 . 02 0 . 01 0 . 04 0 . 01 0 . 05 0 . 08 0 . 06

20 0 . 04 0 . 01 0 . 03 0 . 06 0 . 07 0 . 08 0 . 04 0 . 19

25 0 . 03 0 . 01 0 . 04 0 . 05 0 . 06 0 . 02 0 . 16 0 . 51

30 0 . 03 0 . 01 0 . 05 0 . 08 0 . 05 0 . 25 0 . 47 0 . 52

35 0 . 03 0 . 01 0 . 04 0 . 06 0 . 30 0 . 60 0 . 55 0 . 41

40 0 . 03 0 . 02 0 . 06 0 . 04 0 . 38 0 . 74 0 . 50 0 . 31

Ta b l e 5 . REEH generator — modulation error (W) of the average power [error (“plus” test) |
error (“square” test)]

Amplitude Frequency (Hz)

( ◦ ) 0.5 1 1.5 2 2.5

0 . 11 (1) | 0 . 06 (1) 0 . 04 (2) | 0 . 25 (1) 0 . 09 (2) | 0 . 06 (2) 0 . 18 (2) | 0 . 10 (2) 0 . 33 (2)

|

50

0 . 22 (2)

0 . 16 (1) | 0 . 11 (1) 0 . 06 (2) | 0 . 49 (1) 0 . 22 (2) | 0 . 10 (2) 0 . 40 (2) | 0 . 19 (2) 0 . 54 (2)

60 |

0 . 29 (2)

0 . 30 (1) | 0 . 17 (1) 0 . 11 (2) | 0 . 78 (1) 0 . 24 (2) | 0 . 14 (2) 0 . 44 (2) | 0 . 41 (2) 0 . 32 (2)

70 |

0 . 22 (2)

(1)

× 10 − 7 ; (2) × 10 − 6 .

Ta b l e 6 . REEH generator — modulation error (W) of the maximum power [error (“plus” test) |
error (“square” test)].

Amplitude Frequency (Hz)

( ◦ ) 0.5 1 1.5 2 2.5

0 . 07 (2) | 0 . 36 (1) 0 . 24 (2) | 0 . 09 (2) 0 . 05 (3) | 0 . 18 (2) 0 . 08 (3) | 0 . 03 (3) 0 . 17 (3) 50 |

0 . 09 (3)

0 . 13 (2) | 0 . 45 (1) 0 . 31 (2) | 0 . 20 (2) 0 . 11 (3) | 0 . 32 (2) 0 . 23 (3) | 0 . 08 (3) 0 . 24 (3) 60 |

0 . 13 (3)

0 . 22 (2) | 0 . 75 (1) 0 . 58 (2) | 0 . 36 (2) 0 . 11 (3) | 0 . 59 (2) 0 . 22 (3) | 0 . 18 (3) 0 . 18 (3)

70 |

0 . 12 (3)

(1)

× 10 − 7 ; (2) × 10 − 6 ; (3) × 10 − 5 .