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Linear Accelerations, Euler Angles and Activities Labels from 2 IMUs assembled on a variable stiffness prosthetic foot
- Citation Author(s):
- Submitted by:
- Marco Leopaldi
- Last updated:
- Wed, 03/26/2025 - 08:03
- DOI:
- 10.21227/y02w-tz51
- Data Format:
- License:
- Categories:
- Keywords:
Abstract
The experimental protocol provided to record for two minutes two IMUs channels assembled on a variable stiffness prosthetic foot (one on the main body of the prosthesis and the other on the ankle), 3-axis linear accelerations (ax , ay and az) and 3-axis Euler angles (θx , θy and θz), at 100 Hz for seven activities (walking, fast walking, stand, stairs and ramps ascending and descending) under different Dx slider configurations (Dx = 42, 45, 48, 51, and 54 mm), i.e. stiffness settings. Angle difference between IMUs rotation on prosthesis sagittal plane has been also calculated. Data were collected in areas near the University of Bologna Advanced and Material Design (AMD) laboratory, by interfacing the prosthesis with a healthy subject through able bodied adapters.
The total dataset recording time amounted to 70 minutes with a total sample number of 420000 for each channel. However, a dropout technique was employed to remove erroneous data paused by recording errors, reducing 10% of the total amount of recording time. A continuous dataset was compiled, encompassing all datasets recorded for each activity and Dx settings chosen.
IMU 1 assembled on the ankle
IMU 2 assembled on the main body
Stiffness 125 110 100 90 80 in the Dataset.csv are respectively related to Dx 54 51 48 45 42.
Documentation
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