The design of a real-time accelerometer-based sleeping position monitoring system and its application on obstructive sleep apnea syndrome
Systems and Informatics（2012）
摘要
In this paper, we design and present a novel real-time sleeping position monitoring system. The sensing modules composed of 3-axis accelerometers are placed on object's forehead and chest to monitor the object's position during sleeping by calculating the angles between gravity vector and its three axes. System is driven by an inexpensive and low power microcontroller. In this system, we implement a proposed novel CORDIC-based algorithm on the embedded microcontroller so that the system is capable of transferring the raw data of the accelerometer from motion domain to angular domain in-line, and the system can provide the inclination or tilt angle information by itself in real-time. The sleeping position information is integrated into polysomnography (PSG) to cooperate the study of obstructive sleep apnea (OSA) syndrome.
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关键词
accelerometers,biomedical equipment,computerised monitoring,electrocardiography,medical computing,medical disorders,medical signal processing,microcontrollers,patient monitoring,3-axis accelerometers,cordic-based algorithm,osa,psg,embedded microcontroller,gravity vector angle calculation,inclination angle,obstructive sleep apnea syndrome,polysomnography,real-time accelerometer-based sleeping position monitoring system,sensing modules,textile-based ecg system,tilt angle,accelerometer,algorithm,body position,cordic,embedded system,obstructive sleep apnea,sleep,accuracy,real time,head,vectors,real time systems
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