Robust Foot Clearance Estimation Based on the Integration of Foot-Mounted IMU Acceleration Data
AbstractThis paper introduces a method for the robust estimation of foot clearance during walking, using a single inertial measurement unit (IMU) placed on the subject’s foot. The proposed solution is based on double integration and drift cancellation of foot acceleration signals. The method is insensitive to misalignment of IMU axes with respect to foot axes. Details are provided regarding calibration and signal processing procedures. Experimental validation was performed on 10 healthy subjects under three walking conditions: normal, fast and with obstacles. Foot clearance estimation results were compared to measurements from an optical motion capture system. The mean error between them is significantly less than 15 % under the various walking conditions. View Full-Text
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Benoussaad, M.; Sijobert, B.; Mombaur, K.; Azevedo Coste, C. Robust Foot Clearance Estimation Based on the Integration of Foot-Mounted IMU Acceleration Data. Sensors 2016, 16, 12.
Benoussaad M, Sijobert B, Mombaur K, Azevedo Coste C. Robust Foot Clearance Estimation Based on the Integration of Foot-Mounted IMU Acceleration Data. Sensors. 2016; 16(1):12.Chicago/Turabian Style
Benoussaad, Mourad; Sijobert, Benoît; Mombaur, Katja; Azevedo Coste, Christine. 2016. "Robust Foot Clearance Estimation Based on the Integration of Foot-Mounted IMU Acceleration Data." Sensors 16, no. 1: 12.
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