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Modeling and simulation of driving system for large hydraulic excavator (대형 유압 굴삭기용 구동 시스템의 모델링과 시뮬레이션)
Abstract :
In the conventional calculation approach, it was low precision for large hydraulic excavator crawler driving system. So, a co-simulation approach should be presented. In this paper, software RecurDyn was used to run the dynamic model of crawler driving system. The mechanical parameters of dynamic simulation were used to establish a data table, which was input to the hydraulic system model that established by the software SimulationX. Results of hydraulic system were obtained after simulation in both forward driving and backward driving working conditions. Comparing the simulation results with theoretical calculation results, it proved that this approach was more accurate and faster operational speed. Thus, it is a more accurate and practical approach for crawler system design of large hydraulic excavator.
