The rubbing position is identified through time serials, frequency spectrum and equivalent magnitude of rubbing force on each node, with corresponding extent of rubbing fault evaluated qualitatively.

• 根据转子各结点估算碰摩力的频谱、时序以及等效碰摩力幅确定碰摩发生位置，进而对碰摩故障的程度进行定性评估。