A nonlinear analysis method is applied to abnormal vibration of rotary machine with high speed in an aeroengine to study its common faults, such as abrupt imbalance, cracked rotor and rub interaction of rotor to stator. 用非线性分析方法对航空发动机等高速旋转机械常见振动故障:突发不平衡、转子裂纹、静动部件碰摩进行研究。
A special data acquisition system is required during researching on the rotary machine, such as the aeroengine rotor. 在航空发动机转子等旋转部件的试验研究过程中,迫切需要一种能够获取旋转部件上各种参数的数据采集系统。