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根据系统动力学原理,分析农用拖拉机需求系统的内部结构,找出结构的因果关系,建立需求系统的反馈环结构。在此基础上,应用数学中的差分方程形式,建立数学逻辑的模拟模型。然后,用专用的电子计算机模拟语言DYNAMO编制程序,进行模拟运算。根据选用的不同参数,得出不同的模拟结果,为决策者提供多种可能的未来需求动态,经过分析,做出决策选择。
According to the principle of system dynamics, the internal structure of agricultural tractor demand system is analyzed, the causal relationship of structure is found, and the feedback system of demand system is established. On this basis, the application of mathematical difference in the form of equations to establish mathematical logic simulation model. Then, with a dedicated computer simulation language DYNAMO programming, simulation. According to the different parameters used, different simulation results are obtained, providing decision makers with many possible future demand dynamics. After analysis, decision-making is made.