Analysis Of A Low-Cost Sensor Towards An Emg-Based Robotic Exoskeleton Controller
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Bibliographic record
Abstract
This paper describes the evaluation of the MyoWare Electromyographic (EMG) sensor performance during a typical end-use application to help determine if it could be used for an EMG-based controller of an upper-limb robotic exoskeleton. Tests were conducted to study the signalto-noise ratio (SNR) and a series of experiments were performed to determine the sensor's capability of capturing key EMG signal features while a subject performed bicep curls. LabVIEW was used for data collection and processing, and Matlab was used for statistical analysis. The results revealed that the SNR was between 10dB and 33dB for the average peak root mean square (RMS) EMG, and between 1dB and 27dB for the average voluntary contraction (AVC) EMG whichexcept for one casewere all above the acceptable level in the field. The validation of the sensor performance showed a correlation consistent with literature between the force exerted and the RMS EMG signal under both dynamic and static loading. These initial results indicate that the MyoWare EMG sensor could be used in a more advanced robotic exoskeleton EMG-based controller beyond its current popular use as an EMG-level threshold-based ON/OFF switch.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it