基于正则化频率变化率仅与损伤位置有关的理论,建立了多阶频率与损伤位置的关系图,并以新政航电泄洪闸门为例进行了损伤识别。结果表明,该方法进行损伤位置识别精度较高,且能定位到具体的损伤单元。 Based on the theory that the rate of change of regularized frequency is only related to the damage location, the relationship between multi-order frequencies and damage locations is established. Damage identification is carried out with the example of Xin Zhenghang floodgate. The results show that the proposed method can identify the damage location accurately and locate the specific damage cell.