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Abstract

Soft flexible force sensors are highly desired in the world of wearables for health monitoring applications and novel human-computer interfaces. To this end, a variety of flexible conductive materials have been investigated as electrodes under various sensing schemes. However, many of the proposed sensors, characterized in laboratory environments, have not been successfully deployed as standalone wearable devices due to high power consumption, bulky electronics, and noise in sensor signals introduced by human bodies. Meanwhile, the complexity and expensive materials in several sensor designs added to the difficulty in mass production. In this thesis, we propose a soft flexible capacitive force sensing system that is low in power (20 mW), low in cost (