Table 12. Cross-checking Rel Err% results of FJWNN model estimation in comparison with the results of [36] on SD and DD records obtained through elbow flexion-extension isometric ramps for five participants at 50% MVC (for model training) and 30% and 70% MVCs (for model testing).
| Test Rel Err% | S1 | S2 | S3 | S5 | mean±std | ||
|---|---|---|---|---|---|---|---|
| SD | FJWNN | 30% MVC | 18.03 | 10.52 | 18.02 | 25.98 | 13.21±3.39 |
| 70% MVC | 16.41 | -- | 17.80 | 17.70 | |||
| [36] | 30% MVC | 23.80 | 13.70 | 21.90 | 35.10 | 25.30±6.70 | |
| 70% MVC | 28.10 | -- | 26.10 | 28.40 | |||
| DD | FJWNN | 30% MVC | 17.45 | 11.87 | 18.45 | 36.26 | 17.49±7.56 |
| 70% MVC | 22.40 | -- | 24.54 | 17.66 | |||
| [36] | 30% MVC | 29.70 | 16.40 | 15.20 | 42.20 | 28.70±10.00 | |
| 70% MVC | 37.00 | -- | 30.90 | 29.50 | |||
Rel Err, Variance accounted for; MVC, Maximum voluntary contractions; std, standard deviation; SD, single differential signal; DD, double differential signal; FJWNN, Fuzzy jump wavelet neural network; -- There were missing data in the dataset.