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A Flexible Accelerometer System for Human Pulse Monitoring

Published online by Cambridge University Press:  30 June 2014

Yuanfeng Zhang and
Woo Soo Kim
Yuanfeng Zhang
Affiliation:
School of Mechatronic Systems Engineering, Simon Fraser University, Surrey, B.C. Canada V3T 0A3
Woo Soo Kim
Affiliation:
School of Mechatronic Systems Engineering, Simon Fraser University, Surrey, B.C. Canada V3T 0A3
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Abstract

Here we introduce a cost-effective and highly sensitive flexible accelerometer system, which can sense human pulse by detecting the pulsation. The accelerometer employs capacitive sensing with a structure of two parallel plate electrodes with the optimally designed top electrode pattern in order to achieve high sensitivity. This flexible light-weight sensor is fabricated by direct-printing of silver nano-inks on pre-patterned flexible paper substrates. When the accelerometer is attached to the body surfaces: neck, inner elbow, or any other pulsation point, accurate pulse rates are obtained by reading out the voltage output signal.

Keywords

sensorbiomedicalmicroelectronics

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References

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