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Abstract The block erection using a crane such as a gantry crane and a floating crane is one of the most important processes in the production of ships and offshore structures. To mount the block with the correct position and angle, it is important to control the block accurately not to occur the unexpected movement like rotation. However, it is difficult to apply the existing control theory to the block lifting operation because the movement of the block is controlled indirectly with the control of various objects such as the crane and wire ropes. To solve this problem, a block control method based on deep reinforcement learning is proposed in this study. The proposed method is easier to control the block with wire ropes and to consider irregular external force than existing control theory. In this study, the angle and angular velocity of the lifting block and the hoisting speed of each wire rope that can affect the motion of the block are set as states of reinforcement learning, and the hoisting speed that is the control object is set as an action of reinforcement learning. The reward function of reinforcement learning is designed to increase when the angle of the block decrease and the speed of the block is close to the target speed. In this study the policy gradient method which is a kind of policy-based methods of deep reinforcement learning is used to solve the problem with continuous states and action. To check the applicability and feasibility of the proposed method, The block lifting simulation is performed using the existing control theory and the proposed method. We compared the proposed method with the existing control theory. The result shows that the proposed method can minimize the motion of the lifting block more effectively than the existing control theory.
Publication Date 2019-08-28

Do-Hyun Chun, Myung-Il Roh, Hye-Won Lee, Seung-Ho Ham, "A Crane Movement Control for Stability of Block Erection Based on Deep Reinforcement Learning", MIM(International Federation of Automatic Control) 2019, Berlin, Germany, 2019.08.28-30


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415 Domestic Conference 하지상, 노명일, 김기수, "전문가 시스템을 활용한 최적 장비 배치 및 배관 경로 생성 방법", 2021년도 대한조선학회 추계학술발표회, 군산, pp. 654, 2021.11.04-05 file 2021-11-05
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413 Domestic Conference 공민철, 노명일, 김기수, 박호균, 김종오, "PDF 문서 내 추출 성분을 활용한 변수 인식 및 색인 방법", 2021년도 대한조선학회 추계학술발표회, 군산, pp. 659, 2021.11.04-05 file 2021-11-04
412 Domestic Conference 박정호, 노명일, 이혜원, 하지상, 조영민, 손남선, "다중 영상 기반 장애물 탐지 및 추적 방법", 2021년도 대한조선학회 추계학술발표회, 군산, pp. 256, 2021.11.04-05 file 2021-11-04
411 Domestic Conference 여인창, 노명일, 전도현, 장석호, 혀재원, "응력 해석을 고려한 선박 배관망 설계 최적화", 2021년도 대한조선학회 추계학술발표회, 군산, pp. 655, 2021.11.04-05 file 2021-11-04
410 Domestic Conference 김기수, 노명일, "손상된 선박의 침수에 따른 자세 변화를 고려한 승객 탈출 행동 모델", 2021년도 대한조선학회 추계학술발표회, 군산, pp. 546, 2021.11.04-05 file 2021-11-04
409 Domestic Conference 조영민, 노명일, 이혜원, 진은석, 유동훈, "다중 센서 융합을 이용한 주위 선박의 경로 추적 방법", 2021년도 대한조선학회 추계학술발표회, 군산, pp. 509, 2021.11.04-05 file 2021-11-04
408 Domestic Conference 전도현, 노명일, 이혜원, 조영민, 진은석, 유동훈 "선박 정보의 불확실성을 고려한 확률론적 충돌 위험도 산정", 2021년도 한국CDE학회 하계학술발표회, 제주, pp. 94, 2021.08.25-28 file 2021-08-26
407 Domestic Conference 김진혁, 노명일, 김기수, 여인창, 남정우, 이상현, 장영훈, "전이 학습을 이용한 선형 성능 우열 관계 예측 모델", 2021년도 한국CDE학회 하계학술발표회, 제주, pp. 189, 2021.08.25-28 file 2021-08-25
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