ファジィ理論の応用による体外循環自動制御の実験的研究

概要

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ECC is an extremely important technique used during operative cardiac surgery. Its automatization was first attempted during the latter half of the 1950s. However, at that time there were many factors which hindered the development of an auto-regulation system. Recently, remarkable developments in ECC techniques have been attained through improvements such as increased performance and decreased size of the apparatus. In addition, sufficient processing speeds and performance are possible at a relatively low cost because of the epoch-making progress in computers over the past decade. Under these circumstances, we previously attempted the development of a microcomputer-based auto-regulation system for ECC. However, with respect to domain specifications our static regulation method lacked smoothness. This time we have attempted to develop a preliminary experimental model of an auto-regulation system for ECC, using fuzzy theory to improve the insufficiencies of the static regulation method. In this paper we describe the control theory of the artificial heart-lung circuit, the operating environment of the regulatory apparatus, and the performance evaluation results of the system.
バイオメディカル・ファジィ・システム学会の論文
1992-05-07