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Abstract
This paper introduces a soft, flexible bioelectronic system integrated with a wearable ankle-foot exoskeleton to estimate metabolic costs and physical effort. The system uses a soft flexible biopatch (SFB) to measure ECG and motion data, replacing bulky indirect calorimetry. Experiments involving walking, running, and squatting showed a strong negative correlation (R = 0.758) between metabolic costs and heart rate variability root mean square of successive differences (HRV-RMSSD). This integrated system offers potential for real-time wearable robot adjustments based on biofeedback, paving the way for field-deployable exoskeleton platforms.
Publisher
npj Flexible Electronics
Published On
Jan 25, 2023
Authors
Jihoon Kim, Prakyath Kantharaju, Hoon Yi, Michael Jacobson, Hyungkeun Jeong, Hojoong Kim, Jinwoo Lee, Jared Matthews, Nathan Zavanelli, Hyeonseok Kim, Heejin Jeong, Myunghee Kim, Woon-Hong Yeo
Tags
bioelectronic system
ankle-foot exoskeleton
metabolic costs
physical effort
biofeedback
heart rate variability
wearable robotics

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