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Evolution Strategy를 이용한 비례 솔레노이드의 형상 최적화
류재섭(J. S. Ryu),윤소남(S. N. Yun),함영복(Y. B. Ham),김고도(G. D. Kim),이현철(H. C. Lee) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
The constant force characteristics of proportional solenoid actuator in the control region should be independent of the plunger position in order to be used to control the valve position in the fluid flow control system. The stroke-force characteristics of the proportional solenoid actuator is determined by the shape of the control cone. In this paper, steady state characteristics of the solenoid actuator for electro-hydraulic proportional valve determined by the shape of control cone are analyzed using finite element method and it is confirmed that the proportional solenoid actuator has a constant attractive force in the control region independently on the stroke position. And the shape of control cone is optimized using 1+1 evolution strategy to get a constant force. In the optimization algorithm, control cone length, thickness and taper length are used as a design parameter.
윤소남(S. N. Yun),안병규(B. K. Ahn),류재섭(J. S. Ryu),함영복(Y. B. Ham) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
A proportional pressure control valve has a nonmagnetic ring which is inserted in between a coil and plunger and it can get attraction force in proportion to input current by an influence of control cone. Therefore, a proportional pressure control valve is applied to a servo system as substitution of servo valve and an on-off solenoid valve widely because control of a high level is possible and pollution level is low. The purpose of this study is to develop domestic model of a proportional pressure control valve, and a test model was designed and manufactured through valve system analysis and [mite element analysis. And comparison between results of theoretical analysis and static / dynamic characteristics test were carried out on a manufactured test model, and it was confirmed that it has excellent performance in comparison with other foreign products.