발간년도 : [2018]
| 논문정보 |
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| 논문명(한글) |
[Vol.13, No.4] Development of Situation Awareness System for Emergency Situation of Single-person Households |
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| 논문투고자 |
Hye-Ri Kim, Sang-Joon Lee |
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| 논문내용 |
Social issues such as isolation and lonely death of single-person households who are socially marginalized and disconnected are occurred. It is necessary to develop a situational awareness system to prevent the emergency situation of single-person households. In previous researches with contact type bio-signal measurement system, there are limitations of real-time monitoring due to contact failure or continuous measurement problem. Also, in the conventional non-contact type bio-signal system, the method using camera has caused errors due to external factors such as light or glasses, and there are limitations such as expensive bio-signal measurement sensors, complicated installation, and space utilization problems. In this paper, we have developed a system that can overcome these drawbacks. We designed the UWB Radar signal processing algorithm, subject position tracking algorithm, and breathing measurement algorithm. We have used the TOA(Time of Arrival) technique for position measurement, Kalman filter and background difference algorithm for noise reduction in signal processing with IR-UWB Radar. The proposed system was tested in a 4M * 4M room, similar to the real one, with emergency scenario of one person. The position of the subject was accurately tracked and the position error within 20cm was obtained. The system developed in this paper can be used by government and corporations to carry out social welfare and emergency rescue services by using online circuits through G2B(Goverment to Business). |
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