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Table 2 The automatically identified parameters

From: Adaptive multichannel FES neuroprosthesis with learning control and automatic gait assessment

 

qa0

Ka

qamax

qb0

Kb

qbmax

 

[µAs]

[ circ/µAs]

[µAs]

[µAs]

[ circ/µAs]

[ µAs]

 

Quadriceps

Hamstrings

Participant 1

5.00

1.55

12.20

5.00

0.28

10.03

Participant 2

3.28

2.36

8.57

2.10

0.16

14.36

Participant 3

5.00

1.92

18.00

5.00

0.49

20.99

Participant 4

5.00

1.26

9.11

3.84

0.12

10.81

 

Tibialis Anterior

Gastrocnemius

Participant 1

3.25

1.66

8.40

4.23

1.43

7.14

Participant 2

2.24

3.42

11.38

3.05

1.45

12.15

Participant 3

3.70

1.49

13.05

3.89

0.32

15.18

Participant 4

4.29

0.12

6.52

4.23

0.12

5.68

  1. qa0 and qb0 are the stimulation intensity thresholds of one antagonistic muscle pair, Ka and Kb the identified steady state gains and qamax and qbmax the maximum comfortable stimulation intensities for the individual muscle pair and participant. In order to translate the given charge (µAs) to the applied current and pulse width, please refer to Eq. (3)