【摘要】 以实测信号为依据，通过幅值域分析，探讨了拖拉机液压系统力调节弹簧刚度的概率设计方法。并以东方红40拖拉机带1L－230犁为机组验证了方法的可行性。更多还原

【Abstract】 According to amplitude analysis of the measurement signal, the probability de sign method of finding the spring stiffness of the tractor’s hydraulic draft control system is stud ied. The feasibility of the method is tested and verified with the DFH 40 tractor and 1L-230 plow unit更多还原