Abstract
This paper describes a modeling method for simulating the traveling characteristics of Rubber Tire-mounted Gantry (RTG) cranes. The modeling methods of the gantry frame, tires, and driving motors are introduced, since these are the primary factors affecting the crane traveling performance. The dynamic simulation is based on the Finite Element Method. Simulation cases for different trolley positions and gantry traveling speeds are developed and compared with experimental results. The effectiveness of this simulation method is proven by the strong correlation between the simulation and experimental results. The effective factors on RTG traveling performance (straight traveling and turning) are discussed regarding the RTG's structural characteristics.
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