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Kevin Judd Human Computer Interaction Lab RISE Leadership Academy

Exploring Wearable E-Textile Design for Teaching Digestive System Anatomy and Physiology to Children. Kevin Judd Human Computer Interaction Lab RISE Leadership Academy A. James Clark School of Engineering. The Challenge:

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Kevin Judd Human Computer Interaction Lab RISE Leadership Academy

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  1. Exploring Wearable E-Textile Design for Teaching Digestive SystemAnatomy and Physiology to Children Kevin Judd Human Computer Interaction Lab RISE Leadership Academy A. James Clark School of Engineering

  2. The Challenge: • Children have difficulty understanding the form and function of their internal anatomy • BodyVis is a wearable e-textile shirt designed to actively sense and visualize the wearer’s anatomy • A sensor system had to be developed to detect the wearer swallowing and activate digestive simulation • The Approach: • Modularized into three parts: • Audio sensing at the neck (microphone) • Central processing and analysis • Visualization sequence Correctly classified swallowing (green) and non-swallowing (red) events Microphone audio sensing apparatus • The System: • A small microphone was augmented with a stethoscope chest piece for sensing at the neck • Data was collected by an Arduino microcontroller and fed into MATLAB for processing. • Temporal and discrete frequency analysis • Audio events are enumerated and classified as either swallowing or non-swallowing events. • Heuristic algorithm identified swallowing events • The Results and Future Work: • Heuristic approach was effective in most cases but not as reliable as the application required • Very susceptible to the movement • Recent work focused on machine learning algorithms for more reliable classification • Processing will then be ported to Android

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