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通过分析不平衡故障转子和不对中故障转子运转过程中的动力学关系，分别得到了这两种故障转子的扭转振动特征。应用ＤＫ—Ⅱ型扭振测试仪，进行了转子不平衡故障和不对中故障的扭转振动特征测试。理论分析与试验研究的结果是一致的。
The torsional vibration characteristics of the two kinds of fault rotors are respectively obtained through analyzing the dynamic relationship between the rotor with unbalanced rotor and the rotor with misalignment. The DK-Ⅱ Torsional Vibration Tester was used to test torsional vibration characteristics of rotor imbalance and misalignment. The theoretical analysis and experimental results are consistent.