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혈액 내의 회전하는 원추 산화기를 이용한 심폐바이패스(In-vitro)
김의찬(Kim Eui Chan),강성민(S.M.Kang),김동선(D.S.Kim),최성욱(S.W.Chio),박성민(S.M.Park) 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.2015 No.11
Developed a cone type CPB machine for high-speed rotation in the blood. We develop CPB that minimizes areas exposed by gas and can exchange sufficient oxygen. It forms cavitation between rotating cone-shaped contact area and blood and causes a wide vortex in the blood. We determine working condition and control condition to supply sufficient blood and oxygen, and evaluate effects on the body. Finally, smaller size and volume than existing circular cone oxygen generator can supply pediatric to blood and oxygen. Also that make us gain the basic data of small CPB.
이영진(Y. J. Lee),최성욱(S. W. Chio),손주한(J. H. Sohn),이진우(J. W. Lee),조현철(H. C. Cho),이권순(K. S. Lee) 한국항해항만학회 2000 한국항해항만학회 학술대회논문집 Vol.1 No.2
In this paper, an adaptive mechanism based on immune algorithm is designed and it is applied for the autonomous guided vehicle(AGV) driving. When the immune algorithm is applied to the PID controller, there exists the case that the plant is damaged due to the abrupt change of PID parameters since the parameters are adjusted almost randomly. To solve this problem, a neural network is used to model the plant and the parameter tuning of the model is performed by the immune algorithm. After the PID parameters are determined in this off-line manner, these gains are then applied to the plant for the on-line control using immune adaptive algorithm. Moreover, even though the neural network model may not be accurate enough intially, the weighting parameters are adjusted to be accurate through the on-line fine tuning. The computer simulation for the control of steering and speed of AGV is performed. The results show that the proposed controller has better performances than other conventional controllers.