Table of Contents
Sensors, Volume 18, Issue 8 (August 2018)
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Cover Story (view full-size image) The ultimate frontier of EMG-based applications relies on the implementation of fully electrodeless [...] Read more. The ultimate frontier of EMG-based applications relies on the implementation of fully electrodeless front-end electronics. However, in recent decades, the use of dry electrodes provided minimal improvements. A low-cost, electrodeless sensor, based on a Force Sensitive Resistor (FSR) which is able to simultaneously measure muscle contraction and the mechanomyogram, is presented. The sensor is connected to the skin with a rigid half sphere and, through a transimpedance amplifier, proved capable of consistently generating EMG linear envelope (EMG-LE) comparable signals. Moreover, the sensor provides other benefits, such as removing the need of high sample rates and circuitry for noise or artefacts’ rejection, as well as the additional computational load to compute the EMG-LE. The novel sensor provides a new option for improving prosthetic control or human–machine interface applications. View this paper.