WISP, Wearable Inertial Sensor for Online Wheelchair Propulsion Detection

Sensors

Gladys Foggea¹  Yasuhisa Hirata²  Juan Martinez Rocha³  Eric Monacelli³  Stéphane Delaplace³  Jhedmar Callupe Luna³ 

[1] Compagnie Tatoo “Danse Contemporaine Inclusive”, 77185 Lognes, France;Smart Robots Design Lab, Tohoku University, Sendai 980-8579, Japan;Versailles Engineering Systems Laboratory, University of Versailles Saint-Quentin-en-Yvelines, University of Paris-Saclay, 78140 Vélizy, France;

关键词: propulsion gesture;    gesture recognition;    inertial sensors;    manual wheelchair dance;    activity assessment;   

DOI  :  10.3390/s22114221

来源: DOAJ

【 摘 要 】

Manual wheelchair dance is an artistic recreational and sport activity for people with disabilities that is becoming more and more popular. It has been reported that a significant part of the dance is dedicated to propulsion. Furthermore, wheelchair dance professionals such as Gladys Foggea highlight the need for monitoring the quantity and timing of propulsions for assessment and learning. This study addresses these needs by proposing a wearable system based on inertial sensors capable of detecting and characterizing propulsion gestures. We called the system WISP. Within our initial configuration, three inertial sensors were placed on the hands and the back. Two machine learning classifiers were used for online bilateral recognition of basic propulsion gestures (forward, backward, and dance). Then, a conditional block was implemented to rebuild eight specific propulsion gestures. Online paradigm is intended for real-time assessment applications using sliding window method. Thus, we evaluate the accuracy of the classifiers in two configurations: “three-sensor” and “two-sensor”. Results showed that when using “two-sensor” configuration, it was possible to recognize the propulsion gestures with an accuracy of 90.28%. Finally, the system allows to quantify the propulsions and measure their timing in a manual wheelchair dance choreography, showing its possible applications in the teaching of dance.

【 授权许可】

Unknown