为了建立合理的旋转机械转子同静止部件碰磨接触模型 ,需要确定碰磨的动载荷。将载荷识别的逆分析过程等同为一个多输入、多输出系统的反滤波过程 ,并给出了多种目标函数下的碰摩力最优估计方法 ,利用所设计的测试装置 ,在转子试验台上同时测定了转子碰磨时的接触时间与碰磨产生的正向冲击力 ;最后 ,利用数值模拟及试验方式对载荷识别的逆优化分析方法作了验证。 In order to establish a reasonable model of rotor-rotor contact with stationary components, it is necessary to determine the dynamic load of the rotor. The inverse analysis of load identification is equivalent to an inverse filtering process of a multi-input and multi-output system. The optimal evaluation method of the impact force under various objective functions is given. By using the designed test device, On the other hand, the contact time of the rotor and the forward impact force of the impact test were measured simultaneously. Finally, the inverse analysis method of load identification was validated by numerical simulation and test methods.