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박금주,류관희,정창주,Park, K.J.,Ryu, K.H.,Chung, C.J. 한국농업기계학회 1987 바이오시스템공학 Vol.12 No.3
A 10-degree of freedom mathematical model of motion for power tiller-trailer system was developed. This model can predict motion characteristics of power tiller trailer system while travelling over smooth and irregular ground surfaces under various operating conditions. The model provide, the fundamental data needed to improve the stability of power tiller-trailer systems.
박금주,류관희,정창주,김경욱,유수남,Park, K.J.,Ryu, K.H.,Chung, C.J.,Kim, K.U.,Yoo, S.N. 한국농업기계학회 1988 바이오시스템공학 Vol.13 No.2
A scale model of power tiller-trailer system with the same kinematic characteristics was constructed one eighth of the actual size to validate the effectiveness of mathematical model of motion. The parameters for the scale model of power tiller-trailer system were measured by a series of laboratory experiments. Validation tests for the: scale model was conducted under several ground and operating conditions. The tests were performed on artificial ground surfaces with several kind, of slope and obstacle. The travel path of the scale model was photographed successively in three directions. The travel paths obtained from both the film analysis and the simulation model appeared to be consistent with each other. It was concluded that the simulation model could be used to predict the motion of actual power tiller-trailer system if the parameters for actual power tiller and trailer are provided.