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손목형 생체신호수집 장치에 대한 연구

A Study on Wrist Band Type Vital Sign Acquisition Device


In this study, we proposed a new method that can be measure ECG (Electrocardiography) and PPG (Photoplethysmography) in realtime on the site of the wrist for check the state of health in daily life. For convenience measurement of ECG the lead I method was used on the wrist, and omit the reference junction ECG I was measured in the right hand and the left hand of the potential difference. Then the measured electrocardiogram was amplified by the differential amplifier and the signals were passed HPF, LPF, and BPF filters. For removing the PPG's noise from the Motion artifact and temperature, we apply the reflective photoelectric volume pulse wave measurement method using green LED as a light source. The circuits was designed to be able to check the waveform using higher active amplification method at weak signals. For the validation of our device, the measured signals were compared with E2-KIT on same time. The results shows that the error does not exceed the maximum one, most of the data is confirmed to be issued Peak inspection of the same number.

참고문헌 (10)

  1. Seung-Chul Shin, Dong-Jun Kim, Kyung-Ho Kim "A Study on Sensing System of Sleeping ECG Using a Textile-based Eletrode", Conference on Information and Control System (CICS 2010), pp. 278-279, Oct. 2010. 
  2. Dong-Ki Hong, Kyung-Ho Kim "A Study on Wrist type ECG Measurement Device Using Textile-based Electrode", Information and Control Symposium (ICS 2014), pp. 35-36, 2014. 
  3. K.Y. Chang, H.C. Ko, J.J. Lee, Y.R. Yoon "The Verification of Photoplethysmography Using Green Light that Influenced by Ambient Light", the official journal of the Korean Society of Medical & Biological Engineering, vol. 35, No. 5, pp. 125-131, 2014. 
  4. Min-Ho Kim, Tae-Wook Kim, Sung-Hwan Jang, Da-Hee Ban, Byung-Seok Min, Sung-Oh Kwon "Noise-Robust Algorithm for PPG Signal Measurement", The Journal of Korean Institute of Communications and information Sciences(J-KICS), Vol. 38C, No. 12, 2013. 
  5. Chung-Luyl Lee, Ji-Min Yoon, Kyung-Ho Kim "A study on Wavelength in the motion state of comparative noise in accordance with PPG", The Korea Society of Computer and Information Summer Conference(KSCI 2012), Vol. 20, No. 2, pp. 233-234, 2012. 
  6. In-Hui Lee, Chang-Jin Choi, Chul-Min Kim, Sang-Ah Yoon, Ji-Young Hong, Ja-Yeon Kim "The Examination of the Acute Vascular Changes Due to Smoking Using Second Derivative of Photoplethysmogram", The Korean Academy of Family Medicine, Vol. 31, No. 9, pp 679-687, Sep 2010. 
  7. Hong-Yeop Kim, Kyung-Ho Kim "Comparative Studies on the Measurement of Photoelectric Plethysmography between Reflection and Transmission", KIEE Summer Conference 2010, pp. 1948-1949, July 2010. 
  8. Korea Health Industry Development Institute, http://www.khidi.or.kr/kps 
  9. National health information portal, http://health.mw.go.kr/HealthPromotionArea/HealthInfo/View.do?idx=1020&subIdx=3&searchCate=&searchType=&searchKey=&pageNo= 
  10. American Heart Association, http://www.heart.org/ 

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