Inner Beam의 두께비 및 높이비가 LMTT용 Shuttle Car의 Frame 강도 및 강성에 미치는 영향

이권순(K. S. Lee),한근조(G. J. Han),김태형(T. H. Kim),심재준(J. J. Shim),한동섭(D. S. Han) 한국항해항만학회 2003 한국항해항만학회 학술대회논문집 Vol.3 No.-

LMTT(Linear Motor-based Transfer Technology)는 항만 자동화를 위한 컨테이너 터미널용 수평 이송 장치이며, rail과 shuttle car(mover)에 부착된 stator module로 구성된 PMLSM(Permanent Magnetic Linear Synchronous Motor) 방식을 채택하고 있다. 본 논문은 inner beam과 outer beam의 높이비가 LMTT용 shuttle car의 frame 강도 및 강성에 미치는 영향을 살펴보았다. 설계변수는 inner beam의 단면형상 및 높이비로 설정하였으며, 유한요소해석을 통하여 설계변수가 frame의 강도 및 강성에 미치는 영향을 살펴보았다. LMTT(Linear Motor-based Transfer Technology) is horizontal transfer system in the maritime container terminal for the port automation. The system is modeled PMLSM(Permanent Magnetic Linear Synchronous Motor) that is consists of stator modules on the rail and shuttle car(mover). This paper investigates the effect of hight ratio of inner and outer beam on strength and stiffness of frame in shuttle car for LMTT. The results of this investigation are obtained from detailed finite element analysis for various parameters, such as section shape, height ratio of inner beam.

LMTT용 셔틀 카의 프레임 강도 및 강성에 미치는 크로스 빔의 영향

임종현(J. H. Lim),한근조(G. J. Han),이권순(K. S. Lee),한동섭(D. S. Han),심재준(J. J. Shim),이성욱(S. W. Lee),전영환(Y. H. Jeon) 한국항해항만학회 2005 한국항해항만학회지 Vol.29 No.1

컨테이너 무역 규모가 매년 증가함에 따라 항만 환경이 급격히 변화하고 있다. 이러한 항만의 변화에 성공적으로 대처하기위해 차세대 항만하역시스템인 LMTT(Linear Motor-based Transfer Technology)의 연구가 진행되고 있다. LMTT용 셔틀 카의 프레임부는 내부 빔, 내부 빔, 크로스 빔으로 구성되어 있으며, 본 연구에서는 프레임을 설계하기 위하여 크로스 빔의 개수, 하중 재하 위치 및 내부 빔의 위치에 따른 외부 빔과의 거리 비 등이 프레임의 강도 및 강성에 미치는 영향을 유한요소 해석을 통하여 하중이 외부 빔과 내부 빔에 동시에 작용하고 크로스 빔이 5개일 때가 최적의 조건이라는 결론을 얻을 수 있었다. According as the quantity of goods transported by ship is increasing, a port environment is rapidly changing. To meet this situation successfully, the development of the next generation port loading and unloading system(LMTT) is studied. A Frame of shuttle car for LMTT(Linear Motor-based Transfer Technology) consists of three parts which are outer beam, inner beam and cross beam. In this study, we carried out the finite element analysis for the effect of cross beam on the strength and stiffness of the frame according to the number of cross beam, loading position of container, the distance ratio of inner beam from center. The result is as follow : When the load is applied on outer beam and inner beam concurrently and the number of cross beam is 5, that is the optimum condition in frame design.

DR-FNN을 이용한 LMTT Positioning System의 예측 제어

이진우(Lee Jin Woo),서진호(Suh Jin Ho),이영진(Lee Young Jin),이권순(Lee Kwon Soon) 한국항해항만학회 2003 한국항해항만학회 학술대회논문집 Vol.3 No.-

LMTT(Linear Motor-based Transfer Technology)는 항만 컨테이너 이송장치의 자동화 시스템으로 기술적 포화상태에 이른 AGV(Automated Guided Vehicle)의 대체 수단으로 제안되었다. 본 논문에서는 PMLSM(Permanent Magnetic Linear Synchronous Motor)을 기본 구조로 한 LMTT에서 발생할 수 있는 문제인 cogging force와 force ripple 등의 외란에 강인하고, 컨테이너 이적재를 통한 자체 하중의 급격한 변화에 적응성을 갖는 제어기를 설계하고자 한다. 제안된 제어 시스템은 두 개의 DR-FNN (Dynamically-constructed Recurrent Fuzzy Neural Network)를 이용하여 다단예측이 가능하도록 하여 위치 제어시 정밀도와 에너지 효율을 높이고자 한다. In the maritime container terminal, LMTT(Linear Motor-based Transfer Technology) is horizontal transfer system for the yard automation, which has been proposed to take the place of AGV (Automated Guided Vehicle). The system is based on PMLSM(Permanent Magnetic Linear Synchronous Motor) that is consists of stator modules on the rail and shuttle car(mover). Because of large variant of mover's weight by loading and unloading containers, the difference of each characteristic of stator modules, and a stator module's trouble etc., LMCPS (Linear Motor Conveyance Positioning System) is considered as that the system is changed its model suddenly and variously. In this paper, we will introduce the softcomputing method of a multi-step prediction control for LMCPS using DR-FNN(Dynamically-constructed Recurrent Fuzzy Neural Network). The proposed control system is used two networks for multi-step prediction Consequently, the system has an ability to adapt for external disturbance, cogging force, force ripple, and sudden changes of itself.

크레인 LMTT용 이동체의 구조최적설계

이권희,민경암,박형욱,한동섭,한근조 한국항해항만학회 2005 한국항해항만학회지 Vol.29 No.5

LMTT는 항만 자동화를 위한 수평 이송이 가능하도록 설계된 셔틀카(shuttle car)와 격자구조의 레일에 부착된 스테이터 모듈(stator module)로 구성된 PMLSM(Permanent Magnetic Linear Synchronous Motor)에 의해 구동된다. 본 논문에서는 강도 및 강성기준을 고려하고 경량화 설계를 위하여 셀 요소로 유한요소 모델링된 이동체(mover)의 구조최적설계를 수행하였다. 설계변수로는 가로빔, 세로빔, 휠 빔의 두께와 가로빔 및 세로빔의 높이를 포함시켰다. 목적함수는 중량, 제한조건 함수는 안전율이 고려된 허용응력과 가로빔의 허용변위로 설정하였다. LMTT (Linear Motor-based Transfer Technology) is the horizontal transfer system for yard automation, which has been proposed to take the place of AGV (Automated Guided Vehicle) in the maritime container terminal. The system is based on PMLSM (Permanent Magnetic Linear Synchronous Motor) that consists of stator modules on the rail and shuttle car. It is desirable to reduce the weight of LMTT in order to control the electronic devices with minimum energy. In this research, structural optimization for a mover of shuttle car is performed to minimize the weight satisfying design criteria. The objective function is set up as weight. On the contrary, the design variables are transverse, longitudinal and wheel beams’ thicknesses and its height, and the constraints are considered as strength and stiffness.

컨테이너의 낙하높이에 따른 LMTT 용 Shuttle Car 의 충격흡수기 설계

한동섭(D. S. Han),한근조(G. J. Han),심재준(J. J. Shim),김태형(T. H. Kim) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월

LMTT (Linear Motor-based Transfer Technology) is horizontal transfer system in the maritime container terminal for the port automation. The system is driven by PMLSM (Permanent Magnetic Linear Synchronous Motor) that is consists of stator modules on the rail and shuttle car. This paper investigates the effect of the drop height of container on impact reaction force of the Impact Absorber (IA) in shuttle car for LMTT. The results of this investigation are obtained from detailed finite element analysis for various parameters, such as the spring coefficient, the drop height of container.

Inner Beam의 두께비 및 높이비가 LMTT용 Shuttle Car의 Frame 강도 및 강성에 미치는 영향

한동섭(GD. S. Han),한근조(G. J. Han),이권순(K. S. lee),심재준(J. J. Shim),김태형(T. H. Kim) 한국항해항만학회 2004 한국항해항만학회지 Vol.28 No.3

LMTT(Linear Motor-based Transfer Technology)는 항만 자동화를 위한 컨테이너 터미널용 수평 이송 장치이며, rail과 shuttle car(mover)에 부착된 stator module로 구성된 PMLSM(Permanent Magnetic Linear Synchronous Motor)에 의해 구동된다. 본 논문은 inner beam과 outer beam의 높이비가 LMTT용 shuttle car의 frame 강도 및 강성에 미치는 영향을 살펴보았다. 설계변수는 inner beam의 단면형상 및 높이비로 설정하였으며, 유한요소해석을 통하여 설계변수가 frame의 강도 및 강성에 미치는 영향을 살펴보았다. The final goal of this research is to establish the relative dangerousness D∕B for factors on seakeeping performance. This D∕B is essential to develope the seakeeping performance evaluation system built-on-ship. The system is composed of the apparatus for measuring a vertical acceleration to be generated by the ship’s motions, computer for calculating the synthetic seakeeping performance index and monitor for displaying the evaluating diagram of navigational safety of ship. In this paper, a methodology on the establishment of the relative dangerousness D∕B for factors on seakeeping performance is presented by a numerical simulations, playing an important role on the algorithm of the program for calculating the synthetic seakeeping performance index. Finally, It is investigated whether the relative dangerousness D∕B can be realized an accurate values according to the loading conditions, weather conditions, wave directions and present ship’s speed of a model ship.

유효 스프링 압축변위가 LMTT용 Shuttle Car의 충격흡수장치 충격 반력에 미치는 영향

임종현(Jonghyun Lim),한근조(Geunjo Han),한동섭(Dongseop Han) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-

According to the increase of container trade throughout the world, the environment of ports is being fast changed and also the rapid increase of much transshipment cargo is expected. So, in the harbor loading and unloading system for the rapid treatment of transshipment cargo, the LMTT(Linear Motor-based Transfer Technology) that is horizontal transfer system in the maritime container terminal for the port automation is being studied. Therefore in this paper, to gain basic design data of shuttle car we studied the effect of effective spring compression displacement on the impact reaction force of the impact Absorbing system at the LMTT.

Container의 낙하높이가 LMTT용 Shuttle Car의 충격흡수장치 충격반력에 미치는 영향

한동섭(Dong-Seop Han),한근조(Geun-Jo Han),임종현(Jong-Hyun Lim) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-

LMTT(Linear Motor-based Transfer Technology) is horizontal transfer system in the maritime container terminal for the port automation. The system is driven by PMLSM(Permanent Magnetic Linear Synchronous Motor) that is consists of stator modules on the rail and shuttle car. This paper investigates the effect of the drop height of container on impact reaction force of the Impact Absorbing System(IAS) in shuttle car for LMTT. The results of this investigation are obtained from detailed finite element analysis for various parameters, such as the spring coefficient, the drop height of container.

리니어 모터의 전기적 특성을 고려한 LMTT용 이동체의 최적설계

안태원(T. W. An),한근조(K. J. Han),한동섭(D. S. Han),이성욱(S. W. Lee),이경민(K. M. Lee),이정명(J. M. Lee) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월

LMTT(Linear Motor based Transfer Technology) is a new type of transfer system used in the maritime container terminal for the port automation, and largely consists of a controller, shuttle car, and rail. The shuttle car is divided into the frame part, the driving part, and wheels. In order to design this system, various researches on each part of it must be conducted. In this study, we dealt with the optimum design for the frame part of the shuttle car designed from previous studies on the strength of the frame with respect to the number of cross beams to minimize the weight of the shuttle car and to satisfy design criteria of cargo-handling systems in container terminal. For the optimization of the frame, thicknesses of each beam were adopted as design variables, the weight of the frame as objective function, and stress and deflection per unit length as constraint condition.

균일한 추력발생을 위한 LMTT용 이동체의 구조설계

안태원(Tae-Won An),한근조(Geun-Jo Han),한동섭(Dong-Seop Han),이성욱(Seong-Wook Lee),이정명(Jung-Myung Lee),이경민(Kyong-Min Lee) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.4

LMTT(Linear Motor based Transfer Technology) is a new type of transfer system used in the maritime container terminal for the port automation, and largely consists of a controller, shuttle car, and rail. The shuttle car is divided into the frame part, the driving part, and wheels. In order to design this system, various researches on each part of it must be conducted. In this study, we dealt with the optimum design for the frame part of the shuttle car designed from previous studies on the strength of the frame with respect to the number of cross beams to minimize the weight of the shuttle car and to satisfy design criteria of cargo-handling systems in container terminal. For the optimization of the frame, thicknesses of each beam was adopted as design variables, the weight of the frame as objective function, and stress and deflection per unit length as constraint condition.