Abstract
Recently, the incidence of Obstructive Sleep Apnea has been on the rise due to rapid aging and increasing obesity caused by stress and alter eating habits. Sleep Apnea, which has become one of the most common disease in modern times, is concerned with serious diseases such as high blood pressure, diabetes and heart diseases. Also the noise from sleeping can also degrade others’ quality of life around them. In addition, the severity of respiratory diseases are also increasing each year by environmental pollution such as fine dust intensifies. Therefore, a system for measuring a person’s breathing condition periodically is required, and research is actively conducted. Typically, acceleration sensors or fiber sensors are strapped around the thorax, or devices are designed to measure breathing in a belt format, but users may complain of discomfort. In this study, we intend to use the piezo ceramic sensor, which was adopted to measure signs of activity in the radial artery and femoral artery, to measure data without restraint, and to estimate breathing data by applying digital filters.
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