http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
컨테이너 크레인의 모델링 및 로버스트 제어에 관한 연구
양주호(J. H. Yang),김영완(Y. W. Kim),최교호(G. G. Choi),정황훈(H. H. Jeong) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
This paper introduce the anti-sway control for container crane. We have separated the system two parts and modeled mathematically for container crane. One is the container part having swing motion and the other is the actuator part with a auxiliary mass. The actuator part is installed on the spreader and have a small auxiliary mass which reduce swing motion in the desired manner. In this paper, the H∞ control theory was used in this control system to get robust controller. It's shown that the desirable performances is confirmed through the mathematical simulation. That is the robustness of this control system which use H∞ control theory is confirmed for the ability of disturbance rejection and modeling error.
트랜스퍼 크레인의 이송위치제어를 위한 서보계 설계 : 가중 H<sub>∞</sub> 오차사양을 만족하는 동일차원 관측기 설계
김영복(Y. B. Kim),정황훈(H. H. Jeong),양주호(J. H. Yang),문덕홍(D. H. Moon),황이철(I. C. Hwang) 한국동력기계공학회 2008 한국동력기계공학회 학술대회 논문집 Vol.2008 No.11
The most important job in the container terminal area is to handle the cargo effectively in the limited time. To achieve this object, many strategies have been introduced and applied to. If we consider the automated container terminal, it is necessary that the cargo handling equipments are equipped with more intelligent control systems. From the middle of the 1990's, an automated rail-mounted gantry crane(RMGC) and rubber-tired gantry crane(RTG) have been developed and widely used to handle containers in the yards. Recently, in these cranes, the many equipments like CCD cameras and sensors are mounted to cope with the automated terminal environment. In this paper, we try to support the development of more intelligent automated cranes which make the cargo handling be performed effectively in the yards. For this plant, the modelling, tracking control, anti-sway system design, skew motion suppressing and complicated motion control and suppressing problems must be considered. Especially, in this paper, the system modelling and tracking control approach are discussed. And, we design the tracking control system incorporating an observer based on the 2DOF servosystem design approach to obtain the desired state informations. In the case of observer design, a weighted error bound approach for a state estimator is considered. Based on an algebraic Riccati equation(inequality) approach, a necessary and sufficient condition for the existence of a full-order estimator which satisfies the weighted H<sub>2</sub> error bound is introduced. Where, the condition for existence of the estimator is denoted by a Linear Matrix Inequality(LMI) which gives an optimized solution and observer gain. Based on this result, we apply it to the tracking control system design for the transfer crane.
MR 댐퍼를 갖는 세미-액티브 시트 서스팬션 시스템의 수학적 모델링 및 특성해석에 관한 연구
양주호(J. H. Yang),김영완(Y. W. Kim),정황훈(H. H. Jeong) 한국동력기계공학회 2006 한국동력기계공학회 학술대회 논문집 Vol.- No.-
The suspension system is to be classified into two types. One is the suspension installed between a car-body and a wheel. It is used for coupling a car-body and a wheel and decrease shock from the road surface. The other type called the seat-suspension is installed under the seat. The seat Suspension systems are widely used in off-road machinery to reduce the vibration transmitted from the vehicle floor to the vehicle operator. The drivers are often exposed to high level of low-frequency vibrations due to the unevenness of the ground. These harmful vibrations, aggravated by dicult working conditions (uncomfortable postures, inappropriate seats, frequent handling operations, etc...) lead frequently to spinal disorders. This paper, which is the fundamental study, will conclude with a discussion of the mathematical modeling and characteristic analysis of seat Suspension system with and without MR damper.
MR 댐퍼를 갖는 세미-액티브 시트 서스팬션 시스템의 수학적 모델링 및 특성해석에 관한 연구 Ⅱ
양주호(J. H. Yang),김영완(Y. W. Kim),정황훈(H. H. Jeong) 한국동력기계공학회 2007 한국동력기계공학회 학술대회 논문집 Vol.- No.-
The seat Suspension systems are widely used in off-road machinery to reduce the vibration transmitted from the vehicle floor to the vehicle operator. The drivers are often exposed to high level of low-frequency vibrations due to the unevenness of the ground. These harmful vibrations, aggravated by difficult working conditions (uncomfortable postures, inappropriate seats, frequent handling operations, etc...) lead frequently to spinal disorders. In this paper, as the fundamental study about the seat suspension, at first a mathematical model, Bouc - Wen model, is adopted to characterize the performance of the MR damper and then the seat suspension with MR damper was described mathematically. Finally, the simulation was performed to see characteristic of the MR damper.
양주호(J. H. Yang),정황훈(H. H. Jeong),김영완(Y. W. Kim) 한국동력기계공학회 2007 한국동력기계공학회 학술대회 논문집 Vol.- No.-
F-NFS(Fuzzy inference based Neuro-Fuzzy System) is better than linear controller at non-linear system or quit complex linear system Every neural system need the data to learn and this F-NFS also need the learning data that affect the system response. The LQR(Linear Quadratic regulator) is the control method that was offered in 1960. This control method is one of the most powerful solution at optimal control for the linear system that has quadratic cost function. And it can be a great learning data for F-NFS. In this study concern about modeling for MBS(Magnetic Bearing System), the state space model and LQR's solution. This study also confirm the controlled system's robust with the step and impulse response.