9 April 2013 Scalable sensing electronics towards a motion capture suit
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Abstract
Being able to accurately record body motion allows complex movements to be characterised and studied. This is especially important in the film or sport coaching industry. Unfortunately, the human body has over 600 skeletal muscles, giving rise to multiple degrees of freedom. In order to accurately capture motion such as hand gestures, elbow or knee flexion and extension, vast numbers of sensors are required. Dielectric elastomer (DE) sensors are an emerging class of electroactive polymer (EAP) that is soft, lightweight and compliant. These characteristics are ideal for a motion capture suit. One challenge is to design sensing electronics that can simultaneously measure multiple sensors. This paper describes a scalable capacitive sensing device that can measure up to 8 different sensors with an update rate of 20Hz.
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Daniel Xu, Todd A. Gisby, Shane Xie, Iain A. Anderson, "Scalable sensing electronics towards a motion capture suit", Proc. SPIE 8687, Electroactive Polymer Actuators and Devices (EAPAD) 2013, 86872L (9 April 2013); doi: 10.1117/12.2009642; https://doi.org/10.1117/12.2009642
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