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정우진(W. J. Jung),송창섭(C. S. Song) 유공압건설기계학회 2008 유공압건설기계학회 학술대회논문집 Vol.2008 No.10
A deck crane is controlled mainly by three hydraulic control system, i.e.hoisting, luffing and slewing system. In hoisting control system we used the "load-sensing" method, which allowed automatic adjustment of motor"s rotational speed depending on the load. We analysed influential parameters in design through hydraulic circuit analysis. Since the stability and accuracy of the system is important, all circuit analysis were conducted using AMESim, a leading commercial modeling program in the fields of hydraulics control system.
함정 탑재장비용 능동 하이브리드 마운트 개발에 대한 연구
문석준(Moon, S.J.),최상민(Choi, S.M.),정종안(Jeong, J.A.),최승복(Choi, S.B.),정우진(Jung, W.J.),구자용(Koo, J.Y.) 한국소음진동공학회 2010 한국소음진동공학회 논문집 Vol.20 No.7
A hybrid mount for shipboard machinery installed on naval ships was developed. The mount is combined with a rubber mount and a piezostack actuator. The rubber mount is one of the most popular and effective passive mounts to have been applied to various vibration systems to date. The piezostack actuator is featured by a fast response time, small displacement and low power consumption. Through a series of experimental tests conducted in accordance with MIL-M-17185A(SHIPS), MIL-M-17508F(SH), and MIL-S-901D which are US military specifications related to the performance requirements of the mount, it has been confirmed that the hybrid mount shows more effective performance for use in naval ships.
오주영(J. Y. Oh),정우진(W. J. Jung),송창섭(C. S. Song) 유공압건설기계학회 2008 유공압건설기계학회 학술대회논문집 Vol.2008 No.10
The AMT(Automated Manual Transmission) has been developed by utilizing the automatic main clutch system and the automatic shift mechanism to automatize the clutch operation and shift operation of the existing MT(Manual transmission). A hydraulic control system has been used to operate automatically the main clutch and shift gear of transmission. In this paper, we completed a vehicles model on Easy5 and operated a simulation with TCU control logic. That model is verified the validity by comparison with the results of the testing examination.