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Based on the modular design of marine equipment, this paper aims at designing the mechanical model, working system, hydraulic system and control system of the three dimensional adjusting device applied for the large structure block merging. In this paper, the position control and synchronous control of the multi cylinders are achieved. According to the demand, the velocities of different cylinders...
Large multi-layer steel structure has high reliability and safety and become more and more widely in construction of offshore oil platform. As error accumulation of large steel structure with multi-layers when manufacturing and installing, it is very hard to realize the accuracy of installation in responsible constructing efficiency. It's usually required to set up accuracy control points with 3D...
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