Global ETD Search
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Showing 1 to 7 of 7 for “"Container cranes"”.
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Adaptation of Delayed Position Feedback to the Reduction of Sway of Container Cranes
Cranes are increasingly used in transportation and construction. increasing demand and faster requirements necessitate better and more efficient controllers to guarantee fast turn-around time and to meet safety requirements. Container cranes are used extensively in ship-to-port and port-to-ship …
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Shake table experiments for the determination of the seismic response of jumbo container cranes
Container cranes represent one of the most critical components of ports worldwide. Despite their importance to port operations, the seismic behavior of cranes has been largely ignored. Since the 1960s, industry experts have recommended allowing cranes to uplift, believing that it would limit the …
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Seismic Behaviour of Retaining Walls with Adjacent Structures
Container cranes are essential to the local economy due to their functions in goods transportation. However, container cranes are vulnerable to earthquakes and tend to suffer damage caused by the failure of their foundations embedded in liquefiable soils. Additionally, despite the importance and …
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Port Infrastructure Resilience through Combined Wind-Surge Demand Characterization
… are integral to the operation of ports, such as cranes, are jeopardized when tropical storms approach land. While wind is the only environmental load used to design dockside container cranes, storm surge often accompanies severe wind events and can create large structural loads. This study …
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Forecasting earthquake losses in port systems
… earthquake-induced disruption of a major container port. Managing risks from system-wide disruptions resulting from earthquake damage has been studied as a central element of a Grand Challenge project sponsored by the National Science Foundation Network for Earthquake Engineering …
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Local and Global Stability and Dynamics of a Class of Nonlinear Time-Delayed One-Degree-of-Freedom Systems
… chatter in lathes and control of the sway of container cranes using time-delayed position feedback. We find that the Hopf bifurcations in machine tools are globally subcritical even when they are locally supercritical. We find multiple large-amplitude solutions coexisting with the linearly …
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Adaptation of Nontraditional Control Techniques to Nonlinear Micro and Macro Mechanical Systems
… At the macro level, we consider a quay-side container crane. It is known that the United States relies on ocean transportation for 95% of cargo tonnage that moves in and out of the country. Each year over six million loaded marine containers enter U.S. ports. Current growth predictions …