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홍기용(Gi-Yong Hong),응오 꽝 히오(Quang Hieu Ngo),홍금식(Keum-Shik Hong) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
The offshore container crane is used to load/unload containers between a huge container ship (called the “other ship” and a smaller ship (called the “obile harbor”, on which the crane is installed. The purpose of the mobile harbor is to load/unload containers in the open sea and transport them to shallower water where they can be offloaded at existing conventional ports, thereby obviating the need for expansive and expensive new facilities. In the paper, the pendulum motion (i.e., “way” of the load in the presence of the waveinduced movements (heave, roll, and pitch) of the mobile harbor is discussed. A Stewart platform and 3D pilot crane have been used to demonstrate the ship and pendulum motions to verify the dynamics of the offshore container crane.