대한의용생체공학회:의공학회지 (Journal of Biomedical Engineering Research)

  • 제14권1호
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  • Pages.41-50
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  • 1993
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  • 1229-0807(pISSN)
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  • 2288-9396(eISSN)
대한의용생체공학회 (The Korean Society of Medical and Biological Engineering)
권호 표지

2중 적응제어방식에 의한 전치환 인공심장의 전부하에 민감한 심박출량 조절

The Preload-Responsive Regulation of Cardiac Output in Total Artificial Heart Using Dual Adaptive Controller

  • 이상훈 (단국대학교 의과대학 의공학과) ;
  • 김인영 (서울대학교 의과대학 의공학교실) ;
  • 안혁 (서울대학교 의과대학 흉부외과학교실) ;
  • 민병구 (서울대학교 의과대학 의공학교실)
  • Lee, Sang-Hoon (Dept. of Biomedical Engineering, College of Medicine, Dankook Univ.) ;
  • Kim, In-Young (Deprt. of Biomedical Engineering, College of Medicine, Seoul National University) ;
  • Ahn, Hyuk (Dept. of Thoracic Surgery, College of Medicine, Seoul National University) ;
  • Min, Byoung-Goo (Dept. of Biomedical Engineering, College of Medicine, Seoul National University)
  • 발행 : 1993.03.01
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초록

This paper proposes an adaptive technique for the cardiac output regulation of a pendulum type electromechanical TAH. This techinque, which consists of two RLSE's and two PASTC' 5, performs Its controllability over the TAIB so that the m(RAP) and m(LAP) values re- main close to their desired values under she assumption that the variation of m(RAP) and m (LAP) are dominated by the variation of C.0. and the difference between the left and right ventricular output, respectively. To evaluate the performance of the proposed control system, a simulation is performed by using a human model which contains physiologic, drug and treatment, artificial heart and noise models. As a result, dual adaptive controller showed that abnormal m(LAP) and m(RAP) could be recovered to the normal range within 10minute and maintained desired value in steady state. The operation of this controller prored to be robust in spite of the rapid variation of human status.

키워드

참고문헌

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