2.1. Wearable Sensors
This protocol is extracted from research article:
Orientation-Invariant Spatio-Temporal Gait Analysis Using Foot-Worn Inertial Sensors
Sensors (Basel), Jun 7, 2021; DOI: 10.3390/s21113940

Acceleration and angular rate were measured using two inertial measurement units (IMUs). The IMUs were developed in our lab, and incorporated a 32-bit Arm Cortex M4F processor (Nordic nRF52). The device was equipped with a tri-axial gyroscope and a tri-axial accelerometer (Bosch BMI160), and communicated with a computer via Bluetooth® Low Energy, enabling data collection at a sampling rate of 100 Hz. Sensors were placed on the shoes, near the foot instep, as shown in Figure 1.

Wearable sensors and reference system: (a) Capture volume and camera installation. (b) Sensor placement. (c) Marker placement.

Note: The content above has been extracted from a research article, so it may not display correctly.

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