Development of Dynamics Simulation Model of Agricultural Tractor for Prediction of Axle Torque

Agricultural tractors are continuously being developed to improve performance. In this process, the tractor design has to be changed. To secure durability according to the design change, performance evaluation has to be conducted. Performance evaluation using prototypes is mostly conducted in agricultural machinery, which requires a lot of time and money. Various studies on performance evaluation using simulation models have been recently conducted to solve this problem. Therefore, this study is conducted to develop and validate a dynamic simulation model for the performance evaluation of agricultural tractors. The development of the simulation model is conducted through the development of a tire stiffness and a tractor measurement system. The tractor model is configured using the commercial program for dynamics simulation. The simulation model is validated through a comparison of the average axle torque of the simulation result and measurement data. It shows that there was an error of 6. It is deduced that it is possible to predict the axle torque of the tractor using the dynamic simulation model of an agricultural tractor. In future, studies will be conducted using this simulation model to predict the axle torque in conditions of tractor operation such as the plow and rotary tillage.