http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
장유진(E.Chang),최영태(Y.T.Choi),정원식(W.S.Cheong),최승복(S.B.Choi),서문석(M.S.Suh),여문수(M.S.Yeo) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_1
.This paper presents a novel type of a semi-active suspension system featuring ER(electro-theological) damper. Firstly, an ER fluid is composed and its Bingham property is tested as a function of an electric field. Governing equations of motion or the ER damper are derived by considering field-dependent yield stress, followed by the design and manufacturing through performance analysis. A semi-active suspension system is then formulated and its dynamic characteristics are evaluated via several control algorithms. It is show that the proposed method is very effective for the improvement of the vibration isolation.<br/>
김기선(K.S.Kim),장유진(E.Chang),최승복(S.B.Choi),정재천(C.C.Cheong),서문석(M.S.Suh) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The ER fluid-filled damper characterizing continous modulation of the damping force is devised and experimetally realized. The governing equation of the hydraulic model is obtained through a bond graphic method. The performance of the ER damper is evaluated with respect to the electric field strength.<br/>
최동훈(D.H.Choi),김영훈(Y.H.Kim),김민수(MI.S.Kim),유홍회(H.H. Yoo),김재웅(J. Y.Kim),김종수(J.S.Kim),서문석(M.S.Suh) 한국자동차공학회 1993 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this study a tracked vehicle is idealized as a 2-dimensional 9-degree-of-freedom model which takes into account the effects of HSU units, torsion bars, and track. For the model, equations of motion are derived u:;ing Kane' s equation. By using the equations of motion. a numerical example is solved and the results are compared to those obtained by using a general purpose multibody dynamic analysis program. The<br/> comparison study shows the reasonable coherence between the two results. which confirms the effectiveness<br/> of the model. With the model. dynamic response optimization is carried out by using IDOL I.6D program. The objective function is the peak value of the vertical acceleration of the vehicle at the driver seat. and the side constraints are the wheel travel limits, the ground clearance. and the limits of other design variables. Three sets of design variables are used to carry out the optimization. The results show the attenuation of the acceleration peak value. Thus the procedure presented in this study can be utilized for the design improvement of the real system.<br/>